10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2018

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                     

Commission File Number 1-15817

OLD NATIONAL BANCORP

(Exact name of Registrant as specified in its charter)

INDIANA	35-1539838
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
One Main Street Evansville, Indiana	47708
(Address of principal executive offices)	(Zip Code)

(800) 731-2265

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to the filing requirements for at least the past 90 days.     Yes  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (s232.405 of this chapter) during the preceding 12 months (or for shorter period that the registrant was required to submit and post such files).    Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐  (Do not check if a smaller reporting company)	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ☐    No  ☒

Indicate the number of shares outstanding of each of the issuer’s classes of common stock. The registrant has one class of common stock (no par value) with 152,351,000 shares outstanding at June 30, 2018.

OLD NATIONAL BANCORP

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION			4
Item 1.	Financial Statements		4
	Consolidated Balance Sheets		4
	Consolidated Statements of Income (unaudited)		5
	Consolidated Statements of Comprehensive Income (unaudited)		6
	Consolidated Statements of Changes in Shareholders’ Equity (unaudited)		7
	Consolidated Statements of Cash Flows (unaudited)		8
	Notes to Consolidated Financial Statements (unaudited)		9
	Note 1. Basis of Presentation		9
	Note 2. Revenue Recognition		9
	Note 3. Recent Accounting Pronouncements		11
	Note 4. Acquisition and Divestiture Activity		16
	Note 5. Net Income Per Share		17
	Note 6. Investment Securities		19
	Note 7. Loans Held for Sale		23
	Note 8. Loans and Allowance for Loan Losses		23
	Note 9. Other Real Estate Owned		35
	Note 10. Premises and Equipment		36
	Note 11. Goodwill and Other Intangible Assets		36
	Note 12. Loan Servicing Rights		37
	Note 13. Qualified Affordable Housing Projects and Other Tax Credit Investments		38
	Note 14. Securities Sold Under Agreements to Repurchase		39
	Note 15. Federal Home Loan Bank Advances		40
	Note 16. Other Borrowings		41
	Note 17. Accumulated Other Comprehensive Income (Loss)		44
	Note 18. Employee Benefit Plans		46
	Note 19. Share-Based Compensation		47
	Note 20. Income Taxes		48
	Note 21. Derivative Financial Instruments		50
	Note 22. Commitments and Contingencies		54
	Note 23. Financial Guarantees		54
	Note 24. Segment Information		55
	Note 25. Fair Value		55
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		64
	Financial Highlights		65
	Non-GAAP Financial Measures		66
	Executive Summary		67
	Results of Operations		68
	Financial Condition		77
	Risk Management		80
	Off-Balance Sheet Arrangements		90
	Contractual Obligations		90
	Critical Accounting Policies and Estimates		91
	Forward-Looking Statements		93
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		94
Item 4.	Controls and Procedures		94
PART II. OTHER INFORMATION			95
Item 1A.	Risk Factors		95
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		95
Item 5.	Other Information		95
Item 6.	Exhibits		96
SIGNATURE			97

2

GLOSSARY OF ABBREVIATIONS AND ACRONYMS

As used in this report, references to “Old National,” “we,” “our,” “us,” and similar terms refer to the consolidated entity consisting of Old National Bancorp and its wholly-owned affiliates. Old National Bancorp refers solely to the parent holding company, and Old National Bank refers to Old National’s bank subsidiary.

The acronyms and abbreviations identified below are used in the Notes to Consolidated Financial Statements (Unaudited) as well as in the Management’s Discussion and Analysis of Financial Condition and Results of Operations. You may find it helpful to refer to this page as you read this report.

Anchor (MN): Anchor Bancorp, Inc.

Anchor Bank (MN): Anchor Bank, N.A.

Anchor (WI): Anchor BanCorp Wisconsin Inc.

AnchorBank (WI): AnchorBank, fsb

AOCI: accumulated other comprehensive income (loss)

AQR: asset quality rating

ASC: Accounting Standards Codification

ASU: Accounting Standards Update

ATM: automated teller machine

Common Stock: Old National Bancorp common stock, without par value

CReED: Indiana Community Revitalization Enhancement District Tax Credit

DTI: debt-to-income

Dodd-Frank Act: Dodd-Frank Wall Street Reform and Consumer Protection Act

EITF: Emerging Issues Task Force

FASB: Financial Accounting Standards Board

FDIC: Federal Deposit Insurance Corporation

FHLB: Federal Home Loan Bank

FHTC: Federal Historic Tax Credit

FICO: Fair Isaac Corporation

GAAP: generally accepted accounting principles in the United States

Klein: Klein Financial, Inc.

LGD: loss given default

LIBOR: London Interbank Offered Rate

LIHTC: Low Income Housing Tax Credit

LTV: loan-to-value

N/A: not applicable

N/M: not meaningful

NASDAQ: The NASDAQ Stock Market LLC

NOW: negotiable order of withdrawal

OTTI: other-than-temporary impairment

PCI: purchased credit impaired

PD: probability of default

Renewable Energy: investment tax credits for solar projects

SAB: Staff Accounting Bulletin

SEC: Securities and Exchange Commission

TBA: to be announced

TDR: troubled debt restructuring

3

OLD NATIONAL BANCORP    

CONSOLIDATED BALANCE SHEETS    

(dollars and shares in thousands, except per share data)	June 30, 2018			December 31, 2017			June 30, 2017
	(unaudited)						(unaudited)
Assets
Cash and due from banks	$	219,626		$	222,753		$	230,809
Money market and other interest-earning investments		54,248			67,679			31,932
Total cash and cash equivalents		273,874			290,432			262,741
Trading securities, at fair value		5,596			5,584			5,235
Investment securities - available-for-sale, at fair value:
U.S. Treasury		5,257			5,551			5,634
U.S. government-sponsored entities and agencies		568,231			664,286			580,624
Mortgage-backed securities		1,448,526			1,667,682			1,462,111
States and political subdivisions		797,533			530,193			431,874
Other securities		362,118			328,495			334,095
Total investment securities - available-for-sale		3,181,665			3,196,207			2,814,338
Investment securities - held-to-maturity, at amortized cost (fair value $524,597; $727,703; and $749,363, respectively)		525,718			684,063			695,139
Federal Home Loan Bank/Federal Reserve Bank stock, at cost		136,206			119,686			109,715
Loans held for sale, at fair value		26,198			17,930			27,425
Loans:
Commercial		2,962,895			2,717,269			2,001,621
Commercial real estate		4,451,772			4,354,552			3,259,998
Residential real estate		2,153,973			2,167,053			2,099,374
Consumer credit, net of unearned income		1,726,989			1,879,247			1,871,047
Total loans		11,295,629			11,118,121			9,232,040
Allowance for loan losses		(53,660	)		(50,381	)		(50,986	)
Net loans		11,241,969			11,067,740			9,181,054
Premises and equipment, net		449,304			458,074			413,933
Accrued interest receivable		81,290			87,102			79,830
Goodwill		828,804			828,051			655,018
Other intangible assets		45,417			53,096			31,876
Company-owned life insurance		405,492			403,753			354,875
Net deferred tax assets		90,187			110,857			146,780
Loan servicing rights		24,303			24,661			25,023
Assets held for sale		10,222			7,180			11,725
Other real estate owned and repossessed personal property		3,729			8,810			11,071
Other assets		153,016			155,066			131,503
Total assets	$	17,482,990		$	17,518,292		$	14,957,281
Liabilities
Deposits:
Noninterest-bearing demand	$	3,600,793		$	3,680,807		$	3,011,156
Interest-bearing:
Checking and NOW		3,054,302			3,115,822			2,639,813
Savings		3,026,110			3,035,622			2,924,689
Money market		1,090,621			1,139,077			672,391
Time		1,824,550			1,634,436			1,435,665
Total deposits		12,596,376			12,605,764			10,683,714
Federal funds purchased and interbank borrowings		175,044			335,033			227,029
Securities sold under agreements to repurchase		347,511			384,810			298,094
Federal Home Loan Bank advances		1,757,308			1,609,579			1,515,628
Other borrowings		250,241			248,782			219,167
Accrued expenses and other liabilities		156,295			179,927			127,055
Total liabilities		15,282,775			15,363,895			13,070,687
Shareholders’ Equity
Preferred stock, 2,000 shares authorized, no shares issued or outstanding		—			—			—
Common stock, $1.00 per share stated value, 300,000 shares authorized, 152,351; 152,040; and 135,516 shares issued and outstanding, respectively		152,351			152,040			135,516
Capital surplus		1,642,790			1,639,499			1,352,411
Retained earnings		471,777			413,130			429,787
Accumulated other comprehensive income (loss), net of tax		(66,703	)		(50,272	)		(31,120	)
Total shareholders’ equity		2,200,215			2,154,397			1,886,594
Total liabilities and shareholders’ equity	$	17,482,990		$	17,518,292		$	14,957,281

The accompanying notes to consolidated financial statements are an integral part of these statements.

4

OLD NATIONAL BANCORP

CONSOLIDATED STATEMENTS OF INCOME (unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars and shares in thousands, except per share data)	2018		2017		2018		2017
Interest Income
Loans including fees:
Taxable	$	124,610	$	92,189	$	242,999	$	184,390
Nontaxable		3,984		3,236		7,858		6,415
Investment securities:
Taxable		18,367		15,501		37,171		31,186
Nontaxable		6,658		7,228		13,207		14,600
Money market and other interest-earning investments		117		55		207		86
Total interest income		153,736		118,209		301,442		236,677
Interest Expense
Deposits		9,139		4,724		16,394		9,107
Federal funds purchased and interbank borrowings		647		422		1,664		778
Securities sold under agreements to repurchase		434		334		793		590
Federal Home Loan Bank advances		8,824		6,017		16,604		11,329
Other borrowings		2,729		2,379		5,452		4,739
Total interest expense		21,773		13,876		40,907		26,543
Net interest income		131,963		104,333		260,535		210,134
Provision for loan losses		2,446		1,355		2,826		1,702
Net interest income after provision for loan losses		129,517		102,978		257,709		208,432
Noninterest Income
Wealth management fees		9,746		9,679		18,772		18,678
Service charges on deposit accounts		10,765		10,040		21,524		19,883
Debit card and ATM fees		5,080		4,436		9,945		8,672
Mortgage banking revenue		5,189		5,186		9,381		9,412
Investment product fees		5,066		5,004		10,097		9,993
Capital markets income		896		2,747		1,394		3,778
Company-owned life insurance		2,430		2,117		5,035		4,266
Net securities gains (losses)		1,494		3,075		2,282		4,575
Recognition of deferred gain on sale leaseback transactions		394		538		789		1,075
Other income		8,229		6,449		11,975		11,859
Total noninterest income		49,289		49,271		91,194		92,191
Noninterest Expense
Salaries and employee benefits		66,592		57,606		130,771		114,170
Occupancy		12,873		10,539		26,153		22,673
Equipment		3,728		3,350		7,293		6,577
Marketing		3,962		3,673		7,659		6,723
Data processing		9,724		8,226		18,124		15,834
Communication		2,772		2,288		5,836		4,702
Professional fees		2,923		4,077		5,653		6,728
Loan expenses		1,843		1,693		3,587		3,324
Supplies		903		594		1,625		1,173
FDIC assessment		3,161		2,130		5,806		4,617
Other real estate owned expense		196		1,009		545		2,124
Amortization of intangibles		3,416		2,781		7,025		5,801
Amortization of tax credit investments		11,858		—		12,574		—
Other expense		6,509		4,845		14,966		10,256
Total noninterest expense		130,460		102,811		247,617		204,702
Income before income taxes		48,346		49,438		101,286		95,921
Income tax expense		4,345		10,584		9,302		21,075
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Net income per common share - basic	$	0.29	$	0.28	$	0.61	$	0.55
Net income per common share - diluted		0.29		0.28		0.60		0.55
Weighted average number of common shares outstanding - basic		151,878		135,085		151,800		134,999
Weighted average number of common shares outstanding - diluted		152,568		135,697		152,483		135,641
Dividends per common share	$	0.13	$	0.13	$	0.26	$	0.26

The accompanying notes to consolidated financial statements are an integral part of these statements.    

5

OLD NATIONAL BANCORP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Net income	$	44,001		$	38,854		$	91,984		$	74,846
Other comprehensive income (loss):
Change in securities available-for-sale:
Unrealized holding gains (losses) for the period		(7,327	)		30,627			(33,121	)		46,407
Reclassification for securities transferred to held-to-maturity		—			—			14,007			—
Reclassification adjustment for securities gains realized in income		(1,494	)		(3,075	)		(2,282	)		(4,575	)
Income tax effect		2,070			(10,017	)		5,180			(15,277	)
Unrealized gains (losses) on available-for-sale securities		(6,751	)		17,535			(16,216	)		26,555
Change in securities held-to-maturity:
Adjustment for securities transferred to available-for-sale		—			—			19,412			—
Adjustment for securities transferred from available-for-sale		—			—			(14,007	)		—
Amortization of unrealized losses on securities transferred from available-for-sale		521			453			1,112			902
Income tax effect		(119	)		(155	)		(1,145	)		(309	)
Changes from securities held-to-maturity		402			298			5,372			593
Cash flow hedges:
Net unrealized derivative gains (losses) on cash flow hedges		1,516			(2,387	)		6,079			(1,807	)
Reclassification adjustment for losses realized in net income		10			1,734			779			3,533
Income tax effect		(375	)		248			(1,683	)		(656	)
Changes from cash flow hedges		1,151			(405	)		5,175			1,070
Defined benefit pension plans:
Amortization of net loss recognized in income		27			27			54			54
Income tax effect		(6	)		(10	)		(13	)		(20	)
Changes from defined benefit pension plans		21			17			41			34
Other comprehensive income (loss), net of tax		(5,177	)		17,445			(5,628	)		28,252
Comprehensive income	$	38,824		$	56,299		$	86,356		$	103,098

The accompanying notes to consolidated financial statements are an integral part of these statements.

6

OLD NATIONAL BANCORP

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (unaudited)

(dollars in thousands)	Common Stock			Capital Surplus			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance at December 31, 2016	$	135,159		$	1,348,338		$	390,292		$	(59,372	)	$	1,814,417
Net income		—			—			74,846			—			74,846
Other comprehensive income (loss)		—			—			—			28,252			28,252
Dividends - common stock ($0.26 per share)		—			—			(35,219	)		—			(35,219	)
Common stock issued		11			177			—			—			188
Common stock repurchased		(104	)		(1,748	)		—			—			(1,852	)
Share-based compensation expense		—			3,184			—			—			3,184
Stock activity under incentive compensation plans		450			2,460			(132	)		—			2,778
Balance at June 30, 2017	$	135,516		$	1,352,411		$	429,787		$	(31,120	)	$	1,886,594
Balance at December 31, 2017	$	152,040		$	1,639,499		$	413,130		$	(50,272	)	$	2,154,397
Cumulative effect of change in accounting principles (Note 3)		—			—			(4,127	)		(52	)		(4,179	)
Reclassification of certain tax effects related to the Tax Cuts and Jobs Act of 2017 (Note 3)		—			—			10,751			(10,751	)		—
Net income		—			—			91,984			—			91,984
Other comprehensive income (loss)		—			—			—			(5,628	)		(5,628	)
Dividends - common stock ($0.26 per share)		—			—			(39,588	)		—			(39,588	)
Common stock issued		14			208			—			—			222
Common stock repurchased		(100	)		(1,649	)		—			—			(1,749	)
Share-based compensation expense		—			3,606			—			—			3,606
Stock activity under incentive compensation plans		397			1,126			(373	)		—			1,150
Balance at June 30, 2018	$	152,351		$	1,642,790		$	471,777		$	(66,703	)	$	2,200,215

The accompanying notes to consolidated financial statements are an integral part of these statements.    

7

OLD NATIONAL BANCORP

CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Cash Flows From Operating Activities
Net income	$	91,984		$	74,846
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation		11,772			10,406
Amortization of other intangible assets		7,025			5,801
Amortization of tax credit investments		12,574			—
Net premium amortization on investment securities		7,538			7,529
Accretion income related to acquired loans		(22,312	)		(22,157	)
Share-based compensation expense		3,606			3,184
Excess tax (benefit) expense on share-based compensation		432			160
Provision for loan losses		2,826			1,702
Net securities (gains) losses		(2,282	)		(4,575	)
Recognition of deferred gain on sale leaseback transactions		(789	)		(1,075	)
Net (gains) losses on sales of loans and other assets		1,078			(5,398	)
Increase in cash surrender value of company-owned life insurance		(5,035	)		(4,266	)
Residential real estate loans originated for sale		(240,201	)		(179,025	)
Proceeds from sales of residential real estate loans		234,736			246,549
(Increase) decrease in interest receivable		2,316			1,551
(Increase) decrease in other real estate owned		5,081			7,475
(Increase) decrease in other assets		16,127			3,707
Increase (decrease) in accrued expenses and other liabilities		(21,669	)		(20,504	)
Total adjustments		12,823			51,064
Net cash flows provided by (used in) operating activities		104,807			125,910
Cash Flows From Investing Activities
Purchases of investment securities available-for-sale		(235,161	)		(414,742	)
Purchases of Federal Home Loan Bank/Federal Reserve Bank stock		(16,520	)		(8,008	)
Proceeds from maturities, prepayments, and calls of investment securities available-for-sale		220,753			252,486
Proceeds from sales of investment securities available-for-sale		131,321			186,277
Proceeds from maturities, prepayments, and calls of investment securities held-to-maturity		35,750			48,204
Proceeds from sales of Federal Home Loan Bank/Federal Reserve Bank stock		—			9
Proceeds from sales of trading securities		128			127
Proceeds from sale of student loan portfolio		70,674			—
Net principal collected from (loans made to) loan customers		(219,685	)		(199,895	)
Proceeds from settlements on company-owned life insurance		3,296			2,347
Proceeds from sales of premises and equipment and other assets		4,708			10,120
Purchases of premises and equipment and other assets		(17,005	)		(9,461	)
Net cash flows provided by (used in) investing activities		(21,741	)		(132,536	)
Cash Flows From Financing Activities
Net increase (decrease) in:
Deposits		(9,527	)		(59,539	)
Federal funds purchased and interbank borrowings		(159,989	)		14,026
Securities sold under agreements to repurchase		(37,299	)		(68,958	)
Other borrowings		1,159			(97	)
Payments for maturities of Federal Home Loan Bank advances		(898,801	)		(892,298	)
Proceeds from Federal Home Loan Bank advances		1,045,000			1,055,000
Cash dividends paid on common stock		(39,588	)		(35,219	)
Common stock repurchased		(1,749	)		(1,852	)
Proceeds from exercise of stock options		948			2,597
Common stock issued		222			188
Net cash flows provided by (used in) financing activities		(99,624	)		13,848
Net increase (decrease) in cash and cash equivalents		(16,558	)		7,222
Cash and cash equivalents at beginning of period		290,432			255,519
Cash and cash equivalents at end of period	$	273,874		$	262,741
Supplemental cash flow information:
Total interest paid	$	40,426		$	26,534
Total taxes paid (net of refunds)	$	(819	)	$	3,000
Securities transferred from held-to-maturity to available-for-sale	$	447,026		$	—
Securities transferred from available-for-sale to held-to-maturity	$	323,990		$	—

The accompanying notes to consolidated financial statements are an integral part of these statements.    

8

OLD NATIONAL BANCORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (unaudited)

NOTE 1 – BASIS OF PRESENTATION

The accompanying unaudited consolidated financial statements include the accounts of Old National Bancorp and its wholly-owned affiliates (hereinafter collectively referred to as “Old National”) and have been prepared in conformity with accounting principles generally accepted in the United States of America and prevailing practices within the banking industry. Such principles require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and the disclosures of contingent assets and liabilities at the date of the financial statements and amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. In the opinion of management, the consolidated financial statements contain all the normal and recurring adjustments necessary for a fair statement of the financial position of Old National as of June 30, 2018 and 2017, and December 31, 2017, and the results of its operations for the three and six months ended June 30, 2018 and 2017. Interim results do not necessarily represent annual results. These financial statements should be read in conjunction with Old National’s Annual Report for the year ended December 31, 2017.

All significant intercompany transactions and balances have been eliminated. Certain prior year amounts have been reclassified to conform to the 2018 presentation. Such reclassifications had no effect on net income or shareholders’ equity and were insignificant amounts.

NOTE 2 – REVENUE RECOGNITION

In May 2014, the FASB issued an update (ASU No. 2014-09, Revenue from Contracts with Customers) creating FASB Topic 606, Revenue from Contracts with Customers. The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The scope of this update explicitly excludes net interest income, as well as other revenues from transactions involving financial instruments, such as loans and securities. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements. Old National finalized the in-depth assessment and identified the revenue line items within the scope of this new guidance. For Old National, the revenue streams that are affected by this update are presented within noninterest income.

In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net). The amendments relate to when another party, along with the entity, is involved in providing a good or service to a customer. Topic 606 requires an entity to determine whether the nature of its promise is to provide that good or service to the customer (that is, the entity is a principal) or to arrange for the good or service to be provided to the customer by the other party (that is, the entity is an agent). This determination is based upon whether the entity controls the good or the service before it is transferred to the customer. Topic 606 includes indicators to assist in this evaluation. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing. The amendments clarify the following two aspects of Topic 606: identifying performance obligations, and the licensing implementation guidance. Before an entity can identify its performance obligations in a contract with a customer, the entity first identifies the promised goods or services in the contract. The amendments in this update are expected to reduce the cost and complexity of applying the guidance on identifying promised goods or services. To identify performance obligations in a contract, an entity evaluates whether promised goods and services are distinct. Topic 606 includes two criteria for assessing whether promises to transfer goods or services are distinct. One of those criteria is that the promises are separately

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identifiable. This update will improve the guidance on assessing that criterion. Topic 606 also includes implementation guidance on determining whether as entity’s promise to grant a license provides a customer with either a right to use the entity’s intellectual property, which is satisfied at a point in time, or a right to access the entity’s intellectual property, which is satisfied over time. The amendments in this update are intended to improve the operability and understandability of the licensing implementation guidance. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In May 2016, the FASB issued ASU No. 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients. The amendments do not change the core revenue recognition principle in Topic 606. The amendments provide clarifying guidance in certain narrow areas and add some practical expedients.

In December 2016, the FASB issued ASU No. 2016-20, Revenue from Contracts with Customers (Topic 606): Technical Corrections and Improvements. The FASB decided to issue a separate update for technical corrections and improvements to Topic 606 and other Topics amended by ASU No. 2014-09 to increase awareness of the proposals and to expedite improvements to ASU No. 2014-09. The amendment affects narrow aspects of the guidance issued in ASU No. 2014-09.

On January 1, 2018, Old National adopted ASU 2014-09, Revenue from Contracts with Customers and all subsequent amendments to the ASU (collectively, “Topic 606”) utilizing the modified retrospective application. A significant majority of Old National’s revenues are not subject to the new guidance. Services within the scope of Topic 606 include wealth management fees, service charges on deposit accounts, debit card and ATM fees, and investment product fees. Old National enters into various contracts with customers to provide these traditional banking services on a routine basis. Old National’s performance obligations are generally service-related and provided on a daily, monthly, or quarterly basis. The performance obligations are generally satisfied as services are rendered and the fees are collected at such time, or shortly thereafter. It is not typical for contracts to require significant judgment to determine the transaction price. The implementation of this update did not have a material impact on the measurement, timing, or recognition of revenue. Accordingly, no cumulative effect adjustment to opening retained earnings was deemed necessary. Results for reporting periods beginning after adoption are presented under Topic 606. As allowed under the update, results for prior periods continue to be reported under the accounting standards in effect for those periods.

Wealth management fees: Old National earns wealth management fees based upon asset custody and investment management services provided to individual and institutional customers. Most of these customers receive monthly or quarterly billings for services rendered based upon the market value of assets in custody. Fees that are transaction based are recognized at the point in time that the transaction is executed.

Service charges on deposit accounts: Old National earns fees from deposit customers for transaction-based, account maintenance, and overdraft services. Transaction-based fees and overdraft fees are recognized at a point in time, since the customer generally has a right to cancel the depository arrangement at any time. The arrangement is considered a day-to-day contract with ongoing renewals and optional purchases, so the duration of the contract does not extend beyond the services already performed. Account maintenance fees, which relate primarily to monthly maintenance, are earned over the course of a month, representing the period over which Old National satisfies its performance obligation.

Debit card and ATM fees: Debit card and ATM fees include ATM usage fees and debit card interchange income. As with the transaction-based fees on deposit accounts, the ATM fees are recognized at the point in time that Old National fulfills the customer’s request. Old National earns interchange fees from cardholder transactions processed through card association networks. Interchange rates are generally set by the card associations based upon purchase volumes and other factors. Interchange fees represent a percentage of the underlying transaction value and are recognized daily, concurrently with the transaction processing services provided to the cardholder.

Investment product fees: Investment product fees are the commissions and fees received from a registered broker/dealer and investment adviser that provide those services to Old National customers. Old National acts as an agent in arranging the relationship between the customer and the third-party service provider. These fees are recognized monthly from the third-party broker based upon services already performed, net of the processing fees charged to Old National by the broker.

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The consolidated statements of income include all categories of noninterest income. The following table reflects only the categories of noninterest income that are within the scope of Topic 606:

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)	2018		2017			2018		2017
Wealth management fees	$	9,746	$	9,679		$	18,772	$	18,678
Service charges on deposit accounts		10,765		10,040			21,524		19,883
Debit card and ATM fees		5,080		4,436			9,945		8,672
Investment product fees		5,066		5,004			10,097		9,993
Other income:
Merchant processing fees		778		633			1,419		1,230
Gain (loss) on other real estate owned		586		(41	)		721		617
Safe deposit box fees		224		207			628		514
Insurance premiums and commissions		78		160			182		267
Total	$	32,323	$	30,118		$	63,288	$	59,854

The adoption of Topic 606 did not have a material impact on our consolidated financial position, results of operations, equity, or cash flows as of the adoption date or for the three or six months ended June 30, 2018.

NOTE 3 – RECENT ACCOUNTING PRONOUNCEMENTS

FASB ASC 825 – In January 2016, the FASB issued an update (ASU No. 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update impact public business entities as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income; (2) simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; and when a qualitative assessment indicates that impairment exists, an entity is required to measure the investment at fair value; (3) eliminate the requirement to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; (4) require entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (5) require an entity to present separately in other comprehensive income the portion of the total change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; (6) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (7) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 842 – In February 2016, the FASB issued its new lease accounting guidance in ASU No. 2016-02, Leases (Topic 842). Under the new guidance, lessees will be required to recognize the following for all leases, with the exception of short-term leases, at the commencement date: (1) a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Old National has formed a cross functional team to plan and execute the adoption of this standard. The implementation efforts are ongoing, including the review of our leases and related accounting policies, review of contracts for embedded leases, and the implementation of a new lease software solution. Based on leases outstanding at June 30, 2018, Old

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National does not expect the new standard to have a material impact on the income statement, but anticipates a $125 million to $140 million increase in assets and liabilities. Decisions to repurchase, modify, or renew leases prior to the implementation date will impact this level of materiality.

In July 2018, the FASB issued an update (ASU No. 2018-10, Codification Improvements to Topic 842, Leases). The FASB decided to issue a separate update for the improvements related to ASU No. 2016-02 to increase stakeholders’ awareness of the amendments and to expedite the improvements. The amendments affect narrow aspects of the guidance issued in ASU No. 2016-02.

FASB ASC 815 – In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The amendments in the update make certain targeted improvements to simplify the application of the hedge accounting guidance in GAAP. The amendments in this update better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. To meet that objective, the amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. This update addresses several limitations that GAAP placed on the risk components, how an entity can designate the hedged item in a fair value hedge of interest rate risk, and how an entity can measure changes in fair value of the hedged item attributable to interest rate risk. In addition to the amendments to the designation and measurement guidance for qualifying hedging relationships, the amendments in this update also align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements to increase the understandability of the results of an entity’s intended hedging strategies. The amendments in this update require an entity to present the earnings effect of the hedging instrument in the same income statement line item in which the earnings effect of the hedged item is reported. Prior to the issuance of this update, GAAP provided special hedge accounting only for the portion of the hedge deemed to be “highly effective” and required an entity to separately reflect the amount by which the hedging instrument did not offset the hedged item, which is referred to as the “ineffective” amount. However, the concept and reporting of hedge ineffectiveness were difficult for financial statement users to understand and, at times, for preparers to explain. The FASB decided on an approach that no longer separately measures and reports hedge ineffectiveness. This update also includes certain targeted improvements to ease the application of current guidance related to the assessment of hedge effectiveness. Prior to the issuance of this update, GAAP contained specific requirements for initial and ongoing quantitative hedge effectiveness testing and strict requirements for specialized effectiveness testing methods that allowed an entity to forgo quantitative hedge effectiveness assessments for qualifying relationships. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Early adoption is permitted in any interim period. Management elected to early adopt this update effective January 1, 2018 using the modified retrospective method. The impact of the adoption resulted in a reduction to Old National’s opening retained earnings of $3.2 million. In addition, as permitted by the amendments in the update, Old National reclassified $447.0 million in state and political subdivision securities with unrealized holding gains of $26.1 million from the held-to-maturity portfolio to the available-for-sale portfolio.

FASB ASC 718 – In May 2017, the FASB issued ASU No. 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting. The amendments in this update provide guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. An entity should account for the effect of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified – if the modification does not affect any of the inputs to the valuation technique that the entity uses to value the award, the entity is not required to estimate the value immediately before and after the modification; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 326 – In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“CECL”). The main objective of this amendment is to provide financial statement users with more decision-useful information about the expected credit losses on

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financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendment requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to enhance their credit loss estimates. The amendment requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2019. Early adoption will be permitted beginning after December 15, 2018.

As previously disclosed, Old National formed a cross functional committee to oversee the adoption of the ASU at the effective date. A working group was also formed and has developed a project plan focused on understanding the ASU, researching issues, identifying data needs for modeling inputs, technology requirements, modeling considerations, and ensuring overarching governance has been achieved for each objective and milestone. The project plan is targeting data and model validation completion in early 2019, with parallel processing of our existing allowance for loan losses model with the CECL for 2 – 4 quarters prior to implementation, depending on how model completion and validation occurs over the remainder of 2018. Currently, the working group has identified seven distinct loan portfolios for which a model has been or is in the process of being developed. For two of the loan portfolios, the data sets have been identified, populated, and internally validated. Additionally, models have been built, tested, and internally validated. During the remainder of 2018, Old National is focused on the completion of its remaining models, refining assumptions, and continued review and challenge of its models. Concurrent with this, Old National is also focused on researching and resolving interpretive accounting issues in the ASU, contemplating various related accounting policies, developing processes and related controls, and considering various reporting disclosures.

As of the beginning of the first reporting period in which the new standard is effective, Old National expects to recognize a one-time cumulative effect adjustment increasing the allowance for loan losses, since the ASU covers credit losses over the expected life of a loan as well as considering future changes in macroeconomic conditions. The magnitude of any such one-time adjustment or the overall impact of the new guidance on the consolidated financial statements cannot yet be reasonably estimated.

FASB ASC 740 – In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory. Current guidance prohibits the recognition of current and deferred income taxes for an intra-entity asset transfer until the asset has been sold to an outside party. This prohibition on recognition is an exception to the principle of comprehensive recognition of current and deferred income taxes in generally accepted accounting principles. The exception has led to diversity in practice and is a source of complexity in financial reporting. FASB decided that an entity should recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. Consequently, the amendments in this update eliminate the exception for an intra-entity transfer of an asset other than inventory. The amendments in this update do not include new disclosure requirements; however, existing disclosure requirements might be applicable when accounting for the current and deferred income taxes for an intra-entity transfer of an asset other than inventory. The amendments in this update became effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The amendments in this update were applied on a modified retrospective basis through a cumulative-effect reduction of $1.0 million directly to retained earnings as of the beginning of 2018.

FASB ASC 805 – In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. The amendments in this update provide a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The amendments provide more consistency in applying the guidance, reduce the costs of application, and make the definition of a business more operable. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017. Old National has completed its evaluation of adopting the new guidance on the consolidated financial statements and there is no impact to record.

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FASB ASC 350 – In January 2017, the FASB issued ASU No. 2017-04, Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the amendments eliminate Step 2 from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, the income tax effects of tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform Step 2 of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the qualitative impairment test is necessary. The amendments should be applied on a prospective basis. The nature of and reason for the change in accounting principle should be disclosed upon transition. The amendments in this update should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted on testing dates after January 1, 2017. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 610 – In February 2017, the FASB issued ASU No. 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Topic 610): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets. Subtopic 610-20 was originally issued as part of ASU No. 2014-09 to provide guidance for recognizing gains and losses from the transfer of nonfinancial assets in contracts with noncustomers. This update was issued to help clarify uncertainties and complexities of ASU 2014-09. The amendments in this update define the term in substance nonfinancial asset, in part, as a financial asset promised to a counterparty in a contract if substantially all of its fair value of the assets (recognized and unrecognized) that are promised to the counterparty in the contract is concentrated in nonfinancial assets. If substantially all of the fair value of the assets that are promised to the counterparty in a contract is concentrated in nonfinancial assets, then all of the financial assets promised to the counterparty are in substance nonfinancial assets. The amendments in this update also clarify that nonfinancial assets within the scope of Subtopic 610-20 may include nonfinancial assets transferred within a legal entity to a counterparty. The amendments in this update require an entity to derecognize a distinct nonfinancial asset or distinct in substance nonfinancial asset in a partial sale transaction when it (1) does not have (or ceases to have) a controlling financial interest in the legal entity that holds the asset in accordance with Topic 810 and (2) transfers control of the asset in accordance with Topic 606. Once an entity transfers control of a distinct nonfinancial asset or distinct in substance nonfinancial asset, it is required to measure any noncontrolling interest it receives (or retains) at fair value. The amendments were effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period and did not have a material impact on the consolidated financial statements.

FASB ASC 715 – In March 2017, the FASB issued ASU No. 2017-07, Compensation – Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments in this update require that an employer disaggregate the service cost component from the other components of net benefit cost. The amendments also provide explicit guidance on how to present the service cost component and the other components of net benefit cost in the income statement and allow only the service cost component of net benefit cost to be eligible for capitalization. The amendments in this update improve the consistency, transparency, and usefulness of financial information to users that have communicated that the service cost component generally is analyzed differently from the other components of net benefit cost. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 310 – In March 2017, the FASB issued ASU No. 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities. This update amends the amortization period for certain purchased callable debt securities held at a premium. FASB is shortening the amortization period for the premium to the earliest call date. Under current GAAP, entities generally amortize the premium as an adjustment of yield over the contractual life of the instrument. Concerns were raised that current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised. As a result, upon the exercise of a call on a callable debt security held at a premium, the unamortized premium is recorded as a loss in earnings. There is diversity in practice (1) in the amortization period for premiums of callable debt securities and (2) in how the potential for exercise of a call is factored into current impairment assessments. The amendments in this update become effective for annual periods

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and interim periods within those annual periods beginning after December 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 220 – In February 2018, the FASB issued ASU No. 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. The amendments in this ASU help organizations address certain stranded income tax effects in AOCI resulting from the Tax Cuts and Jobs Act. The ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Management has elected to early adopt this update effective January 1, 2018, which resulted in a reclassification that decreased beginning accumulated other comprehensive income and increased beginning retained earnings by $10.8 million.

FASB ASC 825 – In February 2018, the FASB issued an update (ASU No. 2018-03, Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update clarified the guidance in ASU No. 2016-01 specifically for equity securities without a readily determinable fair value and financial liabilities for which the fair value option is elected. The amendments in this update become effective for annual periods beginning after December 15, 2017 and interim periods within those fiscal years beginning after June 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

FASB ASC 718 – In June 2018, the FASB issued ASU No. 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting. The amendments in this update expand the scope of Topic 718, Compensation—Stock Compensation (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. The ASU supersedes Subtopic 505-50, Equity—Equity-Based Payments to Non-Employees. The amendments in this update become effective for annual periods beginning after December 15, 2018, including interim periods within that fiscal year and will not have a material impact on the consolidated financial statements.

FASB ASC 958 – In June 2018, the FASB issued ASU No. 2018-08, Not-for-Profit Entities (Topic 958): Clarifying the Scope and the Accounting Guidance for Contributions Received and Contributions Made. The amendments in this update clarify and improve the scope and accounting guidance around contributions of cash and other assets received and made by not-for-profit organizations and business enterprises. The ASU clarifies and improves current guidance about whether a transfer of assets, or the reduction, settlement, or cancellation of liabilities, is a contribution or an exchange transaction. It provides criteria for determining whether the resource provider is receiving commensurate value in return for the resources transferred which, depending on the outcome, determines whether the organization follows contribution guidance or exchange transaction guidance in the revenue recognition and other applicable standards. It also provides a more robust framework for determining whether a contribution is conditional or unconditional, and for distinguishing a donor-imposed condition from a donor-imposed restriction. This is important because such classification affects the timing of contribution revenue and expense recognition. The new ASU does not apply to transfers of assets from governments to businesses. The amendments in this update become effective for a public business entity for transactions in which the entity serves as a resource recipient to annual periods beginning after June 15, 2018, including interim periods within those annual periods. The amendments in this update become effective for a public business entity for a public business for transactions in which the entity serves as a resource provider to annual periods beginning after December 15, 2018, including interim periods within those annual periods. Early adoption is permitted. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

In July 2018, the FASB issued an update (ASU No. 2018-09, Codification Improvements). The amendments in this update affect a wide variety of topics in the Codification and are intended to clarify the Codification or correct the unintended application of guidance that is not expected to have a significant effect on current accounting practice. The transition and effective date guidance is based on the facts and circumstances of each amendment. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

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NOTE 4 – ACQUISITION AND DIVESTITURE ACTIVITY

Acquisitions

Anchor Bancorp, Inc.

Effective November 1, 2017, Old National completed the acquisition of St. Paul, Minnesota-based Anchor (MN) through a stock and cash merger. Anchor (MN) was a bank holding company with Anchor Bank (MN) as its wholly-owned subsidiary. Founded in 1967 and with 17 total branches, Anchor Bank (MN) was one of the largest community banks headquartered in the Twin Cities, and also served Mankato, Minnesota. Anchor Bank (MN) has no affiliation with the former AnchorBank (WI) in Madison, Wisconsin, which Old National acquired in 2016. Old National believes that it will be able to achieve cost savings by integrating the two companies and combining accounting, data processing, retail and lending support, and other administrative functions, which will enable Old National to achieve economies of scale in these areas.

Pursuant to the merger agreement, each holder of Anchor (MN) common stock received $2.625 in cash and 1.350 shares of Old National Common Stock per share of Anchor (MN) common stock such holder owned. The total fair value of consideration for Anchor (MN) was $332.8 million, consisting of $31.9 million of cash and the issuance of 16.5 million shares of Old National Common Stock valued at $300.8 million. This acquisition was accounted for under the acquisition method of accounting. Accordingly, Old National recognized amounts for identifiable assets acquired and liabilities assumed at their estimated acquisition date fair values. Through June 30, 2018, transaction and integration costs of $17.0 million associated with this acquisition have been expensed and remaining integration costs will be expensed in future periods as incurred.

During the six months ended June 30, 2018, immaterial adjustments were made to the preliminary valuation of the assets acquired and liabilities assumed. These adjustments affected goodwill, definite lived intangible assets, premises and equipment, other assets, and deposits. As of June 30, 2018, Old National finalized its valuation of all assets acquired and liabilities assumed, resulting in no material change to acquisition accounting adjustments. A summary of the fair values of the acquired assets, liabilities assumed, and resulting goodwill follows (in thousands):

Cash and cash equivalents	$	34,501
Investment securities		302,195
FHLB/Federal Reserve Bank stock		6,585
Loans held for sale		1,407
Loans		1,593,991
Premises and equipment		33,433
Accrued interest receivable		5,872
Other real estate owned		1,058
Company-owned life insurance		44,490
Other assets		30,036
Deposits		(1,777,588	)
Federal funds purchased and interbank borrowings		(45,600	)
Securities sold under agreements to repurchase		(22,965	)
Other borrowings		(49,257	)
Accrued expenses and other liabilities		(25,784	)
Net tangible assets acquired		132,374
Definite-lived intangible assets acquired		26,606
Goodwill		173,785
Total consideration	$	332,765

Goodwill related to this acquisition will not be deductible for tax purposes.

The estimated fair value of the core deposit intangible was $26.6 million and is being amortized over an estimated useful life of 10 years.

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Acquired loan data for Anchor (MN) can be found in the table below:

(in thousands)	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Cash Flows at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	10,555	$	16,898	$	4,787
Acquired receivables not subject to ASC 310-30	$	1,583,436	$	1,879,449	$	87,767

Divestitures

Based on an ongoing assessment of our service and delivery network, Old National consolidated 29 branches during 2017 and 9 branches during the six months ended June 30, 2018. In addition, there is one branch scheduled to be consolidated in the third quarter of this year.

Old National has entered into a branch purchase and assumption agreement for the sale of ten Old National branches in Wisconsin to Marine Credit Union of La Crosse, Wisconsin. Assets associated with this divestiture are included in assets held for sale on the balance sheet. The branch sale includes the assumption of approximately $261 million in deposits and no loans. Subject to regulatory approval and other terms and conditions, the sale is expected to close in the fourth quarter of 2018.

Pending Acquisition

On June 20, 2018, Old National entered into an agreement to acquire Minnesota-based Klein through a 100% stock merger. Klein is a bank holding company with KleinBank as its wholly-owned subsidiary. Founded in 1907 and headquartered in Chaska, Minnesota with 18 full-service branches, KleinBank is the largest family-owned community bank serving the Twin Cities and its western communities. At March 31, 2018, Klein had total assets of $2.0 billion and $1.7 billion of deposit liabilities. Pursuant to the merger agreement, each holder of Klein common stock will receive 7.92 shares of Old National common stock per share of Klein common stock such holder owns. Based on Old National’s June 20, 2018 closing price of $19.05 per share, this represents a total transaction value of approximately $433.8 million. The transaction value is likely to change until closing due to fluctuations in the price of Old National common stock and is also subject to adjustment under certain circumstances as provided in the merger agreement. The transaction remains subject to regulatory approval and the vote of Klein shareholders. The transaction is anticipated to close in the fourth quarter of 2018.

NOTE 5 – NET INCOME PER SHARE

Basic and diluted net income per share are calculated using the two-class method. Net income is divided by the weighted-average number of common shares outstanding during the period. Adjustments to the weighted average number of common shares outstanding are made only when such adjustments will dilute net income per common share. Net income is then divided by the weighted-average number of common shares and common share equivalents during the period.

17

The following table reconciles basic and diluted net income per share for the three and six months ended June 30, 2018 and 2017:

(dollars and shares in thousands, except per share data)	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Basic Net Income Per Share	$	0.29	$	0.28	$	0.61	$	0.55
Diluted Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Effect of dilutive securities:
Restricted stock		623		523		610		543
Stock options (1)		67		89		73		99
Weighted average shares outstanding		152,568		135,697		152,483		135,641
Diluted Net Income Per Share	$	0.29	$	0.28	$	0.60	$	0.55

(1) Options to purchase 14 thousand shares and 55 thousand shares outstanding at June 30, 2018 and 2017, respectively, were not included in the computation of net income per diluted share for the three and six months ended June 30, 2018 and 2017 because the exercise price of these options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

18

NOTE 6 – INVESTMENT SECURITIES

The following table summarizes the amortized cost and fair value of the available-for-sale and held-to-maturity investment securities portfolio at June 30, 2018 and December 31, 2017 and the corresponding amounts of unrealized gains and losses therein:

(dollars in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,312	$	—	$	(55	)	$	5,257
U.S. government-sponsored entities and agencies		583,644		—		(15,413	)		568,231
Mortgage-backed securities - Agency		1,503,636		501		(55,611	)		1,448,526
States and political subdivisions		793,141		8,406		(4,014	)		797,533
Pooled trust preferred securities		13,887		—		(5,682	)		8,205
Other securities		359,820		345		(6,252	)		353,913
Total available-for-sale securities	$	3,259,440	$	9,252	$	(87,027	)	$	3,181,665
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	73,570	$	—	$	(2,286	)	$	71,284
Mortgage-backed securities - Agency		139,594		58		(3,868	)		135,784
States and political subdivisions		312,554		7,209		(2,234	)		317,529
Total held-to-maturity securities	$	525,718	$	7,267	$	(8,388	)	$	524,597
December 31, 2017
Available-for-Sale
U.S. Treasury	$	5,473	$	83	$	(5	)	$	5,551
U.S. government-sponsored entities and agencies		675,643		3		(11,360	)		664,286
Mortgage-backed securities - Agency		1,704,014		1,600		(37,932	)		1,667,682
States and political subdivisions		529,835		5,085		(4,727	)		530,193
Pooled trust preferred securities		16,605		—		(8,157	)		8,448
Other securities		321,016		1,172		(2,141	)		320,047
Total available-for-sale securities	$	3,252,586	$	7,943	$	(64,322	)	$	3,196,207
Held-to-Maturity
Mortgage-backed securities - Agency	$	6,903	$	153	$	—		$	7,056
States and political subdivisions		677,160		43,495		(8	)		720,647
Total held-to-maturity securities	$	684,063	$	43,648	$	(8	)	$	727,703

As previously disclosed in Note 3, upon the early adoption of ASU No. 2017-12 on January 1, 2018, Old National reclassified $447.0 million in state and political subdivision securities from the held-to-maturity portfolio to the available-for-sale portfolio. Separately, on January 1, 2018, U.S. government-sponsored entities and agencies, agency mortgage-backed securities, and state and political subdivision securities with a fair value of $324.0 million were transferred from the available-for-sale portfolio to the held-to-maturity portfolio. The $10.8 million unrealized holding loss, net of tax, at the date of transfer shall continue to be reported as a separate component of shareholders’ equity and will be amortized over the remaining life of the securities as an adjustment to yield. The corresponding discount on these securities will offset this adjustment to yield as it is amortized.

19

Proceeds from sales or calls of available-for-sale investment securities, the resulting realized gains and realized losses, and other securities gains or losses were as follows for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Proceeds from sales of available-for-sale securities	$	47,064		$	152,689		$	131,321		$	186,277
Proceeds from calls of available-for-sale securities		11,211			60,600			28,647			71,120
Total	$	58,275		$	213,289		$	159,968		$	257,397
Realized gains on sales of available-for-sale securities	$	1,251		$	2,954		$	3,259		$	4,283
Realized gains on calls of available-for-sale securities		283			—			284			—
Realized losses on sales of available-for-sale securities		(48	)		(13	)		(1,305	)		(43	)
Realized losses on calls of available-for-sale securities		(4	)		(7	)		(53	)		(8	)
Other securities gains (losses) (1)		12			141			97			343
Net securities gains (losses)	$	1,494		$	3,075		$	2,282		$	4,575

(1) Other securities gains (losses) includes net realized and unrealized gains or losses associated with trading securities and mutual funds.

Trading securities, which consist of mutual funds held in trusts associated with deferred compensation plans for former directors and executives, are recorded at fair value and totaled $5.6 million at June 30, 2018 and December 31, 2017.

All the mortgage-backed securities in the investment portfolio are residential mortgage-backed securities. The amortized cost and fair value of the investment securities portfolio are shown by expected maturity. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Weighted average yield is based on amortized cost.

	At June 30, 2018
(dollars in thousands)					Weighted
	Amortized		Fair		Average
Maturity	Cost		Value		Yield
Available-for-Sale
Within one year	$	60,410	$	60,376		2.22	%
One to five years		511,930		505,586		2.29
Five to ten years		383,847		380,192		3.03
Beyond ten years		2,303,253		2,235,511		2.64
Total	$	3,259,440	$	3,181,665		2.62	%
Held-to-Maturity
Within one year	$	27,128	$	27,341		3.75	%
One to five years		33,736		34,432		4.06
Five to ten years		75,966		77,962		4.38
Beyond ten years		388,888		384,862		3.59
Total	$	525,718	$	524,597		3.74	%

20

The following table summarizes the available-for-sale investment securities with unrealized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrealized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,257	$	(55	)	$	—	$	—		$	5,257	$	(55	)
U.S. government-sponsored entities and agencies		178,133		(3,476	)		390,097		(11,937	)		568,230		(15,413	)
Mortgage-backed securities - Agency		728,486		(20,942	)		657,333		(34,669	)		1,385,819		(55,611	)
States and political subdivisions		278,063		(3,761	)		8,239		(253	)		286,302		(4,014	)
Pooled trust preferred securities		—		—			8,205		(5,682	)		8,205		(5,682	)
Other securities		186,479		(3,599	)		110,953		(2,653	)		297,432		(6,252	)
Total available-for-sale	$	1,376,418	$	(31,833	)	$	1,174,827	$	(55,194	)	$	2,551,245	$	(87,027	)
December 31, 2017
Available-for-Sale
U.S. Treasury	$	1,480	$	(5	)	$	—	$	—		$	1,480	$	(5	)
U.S. government-sponsored entities and agencies		201,773		(1,333	)		408,493		(10,027	)		610,266		(11,360	)
Mortgage-backed securities - Agency		789,804		(8,692	)		774,825		(29,240	)		1,564,629		(37,932	)
States and political subdivisions		196,024		(1,899	)		90,637		(2,828	)		286,661		(4,727	)
Pooled trust preferred securities		—		—			8,448		(8,157	)		8,448		(8,157	)
Other securities		61,260		(429	)		125,517		(1,712	)		186,777		(2,141	)
Total available-for-sale	$	1,250,341	$	(12,358	)	$	1,407,920	$	(51,964	)	$	2,658,261	$	(64,322	)

The following table summarizes the held-to-maturity investment securities with unrecognized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrecognized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses
June 30, 2018
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	—	$	—		$	71,284	$	(5,716	)	$	71,284	$	(5,716	)
Mortgage-backed securities - Agency		35,489		(992	)		99,239		(9,029	)		134,728		(10,021	)
States and political subdivisions		36,231		(1,466	)		70,130		(3,692	)		106,361		(5,158	)
Total held-to-maturity	$	71,720	$	(2,458	)	$	240,653	$	(18,437	)	$	312,373	$	(20,895	)
December 31, 2017
Held-to-Maturity
States and political subdivisions	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)
Total held-to-maturity	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)

The unrecognized losses on held-to-maturity investment securities presented in the table above include unrecognized losses on securities that were transferred from available-for-sale to held-to-maturity totaling $12.5 million at June 30, 2018. There were no unrecognized losses on securities that were transferred from available-for-sale to held-to-maturity at December 31, 2017.

21

Management evaluates securities for OTTI at least on a quarterly basis, and more frequently when economic or market conditions warrant such an evaluation. Investment securities classified as available-for-sale or held-to-maturity are generally evaluated for OTTI under FASB ASC 320, Investments – Debt and Equity Securities. In determining OTTI under FASB ASC 320, management considers many factors, including: (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer, (3) whether the market decline was affected by macroeconomic conditions, and (4) whether the entity has the intent to sell the debt security or more likely than not will be required to sell the debt security before its anticipated recovery. The assessment of whether an other-than-temporary decline exists involves a high degree of subjectivity and judgment and is based on the information available to management at a point in time.

When OTTI occurs, the amount of the OTTI recognized in earnings depends on whether an entity intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss. If an entity intends to sell or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the OTTI shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date. Otherwise, the OTTI shall be separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total OTTI related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized in earnings. The amount of the total OTTI related to other factors shall be recognized in other comprehensive income, net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings shall become the new amortized cost basis of the investment.

There was no OTTI recorded during the six months ended June 30, 2018 or 2017.

At June 30, 2018, Old National’s securities portfolio consisted of 1,628 securities, 844 of which were in an unrealized loss position. The unrealized losses attributable to our U.S. Treasury, U.S. government-sponsored entities and agencies, agency mortgage-backed securities, states and political subdivisions, and other securities are the result of fluctuations in interest rates. Our pooled trust preferred securities are discussed below. At June 30, 2018, we had no intent to sell any securities that were in an unrealized loss position nor is it expected that we would be required to sell any securities.

Pooled Trust Preferred Securities

At June 30, 2018, our securities portfolio contained two pooled trust preferred securities with a fair value of $8.2 million and unrealized losses of $5.7 million. These securities are not subject to FASB ASC 325-10 and are evaluated using collateral-specific assumptions to estimate the expected future interest and principal cash flows. For the six months ended June 30, 2018 and 2017, our analysis indicated no OTTI on these securities.

During the first quarter of 2018, Old National sold a pooled trust security that fell within the scope of FASB ASC 325-10 (EITF 99-20). Proceeds from the sale were $1.8 million, which resulted in a loss of $0.9 million. Although Old National typically does not sell securities in an unrealized loss position, this security was sold because the final liquidation value was significantly higher than our assessment of value for this position.

22

The table below summarizes the relevant characteristics of our pooled trust preferred securities as well as our single issuer trust preferred securities that are included in the “other securities” category in this footnote. Each of the pooled trust preferred securities support a more senior tranche of security holders. Both pooled trust preferred securities have experienced credit defaults. However, these securities have excess subordination and are not other-than-temporarily impaired as a result of their class hierarchy, which provides more loss protection.

Trust preferred securities June 30, 2018 (dollars in thousands)	Class		Lowest Credit Rating (1)		Amortized Cost		Fair Value		Unrealized Gain/ (Loss)			Realized Losses 2018		# of Issuers Currently Performing/ Remaining		Actual Deferrals and Defaults as a % of Original Collateral			Expected Defaults as a % of Remaining Performing Collateral			Excess Subordination as a % of Current Performing Collateral
Pooled trust preferred securities:
Pretsl XXVII LTD		B		B	$	4,382	$	2,602	$	(1,780	)	$	—		35/44		16.7	%		4.2	%		46.1	%
Trapeza Ser 13A		A2A		BBB		9,505		5,603		(3,902	)		—		48/53		4.5	%		4.7	%		45.5	%
						13,887		8,205		(5,682	)		—
Single Issuer trust preferred securities:
JP Morgan Chase Cap XIII				BBB-		4,783		4,550		(233	)		—
Total					$	18,670	$	12,755	$	(5,915	)	$	—

(1) Lowest rating for the security provided by any nationally recognized credit rating agency.

NOTE 7 – LOANS HELD FOR SALE

Mortgage loans held for immediate sale in the secondary market were $26.2 million at June 30, 2018, compared to $17.9 million at December 31, 2017. Residential loans that Old National has originated with the intent to sell are recorded at fair value in accordance with FASB ASC 825-10, Financial Instruments. Conventional mortgage production is sold on a servicing retained basis. Certain loans, such as government guaranteed mortgage loans are sold on servicing released basis.

NOTE 8 – LOANS AND ALLOWANCE FOR LOAN LOSSES

Old National’s loans consist primarily of loans made to consumers and commercial clients in various industries including manufacturing, agribusiness, transportation, mining, wholesaling, and retailing. Most of Old National’s lending activity occurs within our principal geographic markets of Indiana, Kentucky, Michigan, Wisconsin, and Minnesota. Old National manages concentrations of credit exposure by industry, product, geography, customer relationship, and loan size. While loans to lessors of both residential and non-residential real estate exceed 10% of total loans, no individual sub-segment category within those broader categories reaches the 10% threshold.

23

The composition of loans by lending classification was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial (1)	$	2,962,895		$	2,717,269
Commercial real estate:
Construction		490,990			374,306
Other		3,960,782			3,980,246
Residential real estate		2,153,973			2,167,053
Consumer credit:
Home equity		488,038			507,507
Auto		1,099,745			1,148,672
Other		139,206			223,068
Total loans		11,295,629			11,118,121
Allowance for loan losses		(53,660	)		(50,381	)
Net loans	$	11,241,969		$	11,067,740

(1) Includes direct finance leases of $24.8 million at June 30, 2018 and $29.5 million at December 31, 2017.

The risk characteristics of each loan portfolio segment are as follows:

Commercial

Commercial loans are primarily based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the assets being financed or other business assets such as accounts receivable or inventory and may incorporate a personal guarantee; however, some loans may be made on an unsecured basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial Real Estate

These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate lending typically involves higher loan principal amounts, and the repayment of these loans is generally dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may be adversely affected by conditions in the real estate markets or in the general economy. The properties securing Old National’s commercial real estate portfolio are diverse in terms of type and geographic location. Management monitors and evaluates commercial real estate loans based on collateral, geography and risk grade criteria. In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner occupied loans.

Included with commercial real estate are construction loans, which are underwritten utilizing independent appraisal reviews, sensitivity analysis of absorption and lease rates, financial analysis of the developers and property owners, and feasibility studies, if available. Construction loans are generally based on estimates of costs and value associated with the complete project. These estimates may be inaccurate. Construction loans often involve the disbursement of substantial funds with repayment substantially dependent on the success of the ultimate project. Sources of repayment for these types of loans may be pre-committed permanent loans from approved long-term lenders (including Old National), sales of developed property, or an interim loan commitment from Old National until permanent financing is obtained. These loans are closely monitored by on-site inspections and are considered to have higher risks than other real estate loans due to their ultimate repayment being sensitive to interest rate changes, governmental regulation of real property, general economic conditions, and the availability of long-term financing.

The acquisition of Anchor (MN) on November 1, 2017 added $864.4 million of commercial real estate loans to our portfolio. At 208%, Old National Bank’s commercial real estate loans as a percentage of its risk-based capital remained well below the regulatory guideline limit of 300% at June 30, 2018.

24

Residential

With respect to residential loans that are secured by 1-4 family residences and are generally owner occupied, Old National typically establishes a maximum loan-to-value ratio and generally requires private mortgage insurance if that ratio is exceeded. Repayment of these loans is primarily dependent on the personal income of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment can also be impacted by changes in residential property values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers.

Consumer

Home equity loans are typically secured by a subordinate interest in 1-4 family residences, and consumer loans are secured by consumer assets such as automobiles or recreational vehicles. Some consumer loans are unsecured such as small installment loans and certain lines of credit. Repayment of these loans is primarily dependent on the personal income of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment can also be impacted by changes in residential property or other collateral values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers. Old National assumed student loans in the acquisition of Anchor (WI) in May 2016. Student loans are guaranteed by the government from 97% to 100% and totaled $68.2 million at December 31, 2017. Old National sold the remaining student loan portfolio totaling $64.9 million during the second quarter of 2018, resulting in a $2.2 million gain that is included in other income on the income statement.

Allowance for Loan Losses

The allowance for loan losses is maintained at a level believed adequate by management to absorb probable losses incurred in the consolidated loan portfolio. Management’s evaluation of the adequacy of the allowance is an estimate based on reviews of individual loans, pools of homogeneous loans, assessments of the impact of current and anticipated economic conditions on the portfolio, and historical loss experience. The allowance is increased through a provision charged to operating expense. Loans deemed to be uncollectible are charged to the allowance. Recoveries of loans previously charged-off are added to the allowance.

We utilize a PD and LGD model as a tool to determine the adequacy of the allowance for loan losses for performing commercial and commercial real estate loans. The PD is forecast using a transition matrix to determine the likelihood of a customer’s AQR migrating from its current AQR to any other status within the time horizon. Transition rates are measured using Old National’s own historical experience. The model assumes that recent historical transition rates will continue into the future. The LGD is defined as credit loss incurred when an obligor of the bank defaults. The sum of all net charge-offs for a particular portfolio segment are divided by all loans that have defaulted over a given period of time. The expected loss derived from the model considers the PD, LGD, and exposure at default. Additionally, qualitative factors, such as changes in lending policies or procedures, and economic business conditions are also considered.

We use historic loss ratios adjusted for economic conditions to determine the appropriate level of allowance for residential real estate and consumer loans.

No allowance was brought forward on any of the acquired loans as any credit deterioration evident in the loans was included in the determination of the fair value of the loans at the acquisition date. An allowance for loan losses will be established for any subsequent credit deterioration or adverse changes in expected cash flows.

25

Old National’s activity in the allowance for loan losses for the three and six months ended June 30, 2018 and 2017 was as follows:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	19,591		$	20,796		$	1,763		$	8,231		$	50,381
Charge-offs		(472	)		(430	)		(295	)		(1,857	)		(3,054	)
Recoveries		249			583			1,697			1,358			3,887
Provision		2,019			1,549			(1,298	)		176			2,446
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Three Months Ended June 30, 2017
Balance at beginning of period	$	22,108		$	17,953		$	1,736		$	8,037		$	49,834
Charge-offs		(411	)		(1,068	)		(313	)		(1,588	)		(3,380	)
Recoveries		789			1,522			28			838			3,177
Provision		(2,121	)		2,247			360			869			1,355
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986
Six Months Ended June 30, 2018
Balance at beginning of period	$	19,246		$	21,436		$	1,763		$	7,936		$	50,381
Charge-offs		(717	)		(433	)		(657	)		(3,932	)		(5,739	)
Recoveries		760			1,067			1,845			2,520			6,192
Provision		2,098			428			(1,084	)		1,384			2,826
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Six Months Ended June 30, 2017
Balance at beginning of period	$	21,481		$	18,173		$	1,643		$	8,511		$	49,808
Charge-offs		(881	)		(1,636	)		(727	)		(3,375	)		(6,619	)
Recoveries		1,392			2,747			107			1,849			6,095
Provision		(1,627	)		1,370			788			1,171			1,702
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986

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The following table provides Old National’s recorded investment in loans by portfolio segment at June 30, 2018 and December 31, 2017 and other information regarding the allowance:

(dollars in thousands)	Commercial		Commercial Real Estate		Residential		Consumer		Total
June 30, 2018
Allowance for loan losses:
Individually evaluated for impairment	$	5,871	$	8,162	$	—	$	—	$	14,033
Collectively evaluated for impairment		15,409		14,267		1,865		7,760		39,301
Loans acquired with deteriorated credit quality		107		69		2		148		326
Total allowance for loan losses	$	21,387	$	22,498	$	1,867	$	7,908	$	53,660
Loans and leases outstanding:
Individually evaluated for impairment	$	34,055	$	75,320	$	—	$	—	$	109,375
Collectively evaluated for impairment		2,924,481		4,355,891		2,143,658		1,722,747		11,146,777
Loans acquired with deteriorated credit quality		4,359		20,561		10,315		4,242		39,477
Total loans and leases outstanding	$	2,962,895	$	4,451,772	$	2,153,973	$	1,726,989	$	11,295,629
December 31, 2017
Allowance for loan losses:
Individually evaluated for impairment	$	3,424	$	6,654	$	—	$	—	$	10,078
Collectively evaluated for impairment		15,790		14,782		1,763		7,802		40,137
Loans acquired with deteriorated credit quality		32		—		—		134		166
Total allowance for loan losses	$	19,246	$	21,436	$	1,763	$	7,936	$	50,381
Loans and leases outstanding:
Individually evaluated for impairment	$	26,270	$	66,061	$	—	$	—	$	92,331
Collectively evaluated for impairment		2,685,847		4,266,665		2,155,750		1,874,002		10,982,264
Loans acquired with deteriorated credit quality		5,152		21,826		11,303		5,245		43,526
Total loans and leases outstanding	$	2,717,269	$	4,354,552	$	2,167,053	$	1,879,247	$	11,118,121

Credit Quality

Old National’s management monitors the credit quality of its loans in an on-going manner. Internally, management assigns an AQR to each non-homogeneous commercial and commercial real estate loan in the portfolio, with the exception of certain FICO-scored small business loans. The primary determinants of the AQR are based upon the reliability of the primary source of repayment and the past, present, and projected financial condition of the borrower. The AQR will also consider current industry conditions. Major factors used in determining the AQR can vary based on the nature of the loan, but commonly include factors such as debt service coverage, internal cash flow, liquidity, leverage, operating performance, debt burden, FICO scores, occupancy, interest rate sensitivity, and expense burden. Old National uses the following definitions for risk ratings:

Criticized. Special mention loans that have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

Classified – Substandard. Loans classified as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

Classified – Nonaccrual. Loans classified as nonaccrual have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, in doubt.

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Classified – Doubtful. Loans classified as doubtful have all the weaknesses inherent in those classified as nonaccrual, with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

Pass rated loans are those loans that are other than criticized, classified – substandard, classified – nonaccrual, or classified – doubtful.

The risk category of commercial and commercial real estate loans by class of loans at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Commercial				Commercial Real Estate - Construction				Commercial Real Estate - Other
Corporate Credit Exposure Credit Risk Profile by Internally Assigned Grade	June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017
Grade:
Pass	$	2,815,085	$	2,577,824	$	467,663	$	357,438	$	3,765,884	$	3,762,896
Criticized		70,168		74,876		14,882		14,758		69,841		98,451
Classified - substandard		41,382		37,367		—		—		62,595		58,584
Classified - nonaccrual		29,390		24,798		8,445		2,110		28,376		30,108
Classified - doubtful		6,870		2,404		—		—		34,086		30,207
Total	$	2,962,895	$	2,717,269	$	490,990	$	374,306	$	3,960,782	$	3,980,246

Old National considers the performance of the loan portfolio and its impact on the allowance for loan losses. For residential and consumer loan classes, Old National also evaluates credit quality based on the aging status of the loan and by payment activity. The following table presents the recorded investment in residential and consumer loans based on payment activity at June 30, 2018 and December 31, 2017:

			Consumer
(dollars in thousands)	Residential		Home Equity		Auto		Other
June 30, 2018
Performing	$	2,130,775	$	483,350	$	1,097,256	$	137,666
Nonperforming		23,198		4,688		2,489		1,540
Total	$	2,153,973	$	488,038	$	1,099,745	$	139,206
December 31, 2017
Performing	$	2,144,882	$	502,322	$	1,145,977	$	217,819
Nonperforming		22,171		5,185		2,695		5,249
Total	$	2,167,053	$	507,507	$	1,148,672	$	223,068

Impaired Loans

Large commercial credits are subject to individual evaluation for impairment. Retail credits and other small balance credits that are part of a homogeneous group are not tested for individual impairment unless they are modified as a TDR. A loan is considered impaired when it is probable that contractual interest and principal payments will not be collected either for the amounts or by the dates as scheduled in the loan agreement. If a loan is impaired, a portion of the allowance is allocated so that the loan is reported net, at the present value of estimated cash flows using the loan’s existing rate or at the fair value of collateral if repayment is expected solely from the collateral. Old National’s policy, for all but PCI loans, is to recognize interest income on impaired loans unless the loan is placed on nonaccrual status.

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The following table shows Old National’s impaired loans at June 30, 2018 and December 31, 2017, respectively. Only purchased loans that have experienced subsequent impairment since the date acquired (excluding loans acquired with deteriorated credit quality) are included in the table below.

(dollars in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance
June 30, 2018
With no related allowance recorded:
Commercial	$	19,587	$	20,337	$	—
Commercial Real Estate - Other		44,862		48,214		—
Residential		2,271		2,292		—
Consumer		1,483		1,601		—
With an allowance recorded:
Commercial		14,468		14,520		5,871
Commercial Real Estate - Construction		8,445		9,249		2,680
Commercial Real Estate - Other		22,013		22,065		5,482
Residential		935		935		47
Consumer		1,917		1,917		96
Total	$	115,981	$	121,130	$	14,176
December 31, 2017
With no related allowance recorded:
Commercial	$	20,557	$	21,483	$	—
Commercial Real Estate - Other		38,678		44,564		—
Residential		2,443		2,464		—
Consumer		1,685		2,105		—
With an allowance recorded:
Commercial		5,713		5,713		3,424
Commercial Real Estate - Construction		905		1,371		401
Commercial Real Estate - Other		26,478		26,902		6,253
Residential		870		870		44
Consumer		2,211		2,228		110
Total	$	99,540	$	107,700	$	10,232

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The average balance of impaired loans during the three and six months ended June 30, 2018 and 2017 are included in the table below.

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars in thousands)	2018		2017		2018		2017
Average Recorded Investment
With no related allowance recorded:
Commercial	$	20,228	$	25,817	$	20,073	$	26,038
Commercial Real Estate - Other		43,893		34,682		41,771		32,598
Residential		2,189		2,376		2,274		2,121
Consumer		1,741		1,717		1,722		1,420
With an allowance recorded:
Commercial		11,846		8,448		10,091		7,996
Commercial Real Estate - Construction		4,675		—		4,675		—
Commercial Real Estate - Other		21,439		22,916		24,246		28,911
Residential		942		1,147		918		1,125
Consumer		1,970		2,069		2,050		2,021
Total	$	108,923	$	99,172	$	107,820	$	102,230

Old National does not record interest on nonaccrual loans until principal is recovered. Interest income recognized on impaired loans during the three and six months ended June 30, 2018 and 2017 was immaterial.

For all loan classes, a loan is generally placed on nonaccrual status when principal or interest becomes 90 days past due unless it is well secured and in the process of collection, or earlier when concern exists as to the ultimate collectibility of principal or interest. Interest accrued during the current year on such loans is reversed against earnings. Interest accrued in the prior year, if any, is charged to the allowance for loan losses. Cash interest received on these loans is applied to the principal balance until the principal is recovered or until the loan returns to accrual status. Loans may be returned to accrual status when all the principal and interest amounts contractually due are brought current, remain current for a prescribed period, and future payments are reasonably assured.

Loans accounted for under FASB ASC Topic 310-30 accrue interest, even though they may be contractually past due, as any nonpayment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period loan loss provision or prospective yield adjustments.

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Old National’s past due financing receivables at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	30-59 Days Past Due		60-89 Days Past Due		Past Due 90 Days or More and Accruing		Nonaccrual (1)		Total Past Due		Current
June 30, 2018
Commercial	$	1,118	$	3	$	85	$	36,260	$	37,466	$	2,925,429
Commercial Real Estate:
Construction		—		—		—		8,445		8,445		482,545
Other		378		953		—		62,462		63,793		3,896,989
Residential		21,871		4,563		389		23,198		50,021		2,103,952
Consumer:
Home equity		780		1,043		627		4,688		7,138		480,900
Auto		5,584		1,259		319		2,489		9,651		1,090,094
Other		330		379		155		1,540		2,404		136,802
Total loans	$	30,061	$	8,200	$	1,575	$	139,082	$	178,918	$	11,116,711
December 31, 2017
Commercial	$	986	$	360	$	144	$	27,202	$	28,692	$	2,688,577
Commercial Real Estate:
Construction		—		—		—		2,110		2,110		372,196
Other		2,247		89		—		60,315		62,651		3,917,595
Residential		18,948		3,416		—		22,171		44,535		2,122,518
Consumer:
Home equity		1,467		230		68		5,185		6,950		500,557
Auto		6,487		1,402		532		2,695		11,116		1,137,556
Other		3,967		1,514		150		5,249		10,880		212,188
Total loans	$	34,102	$	7,011	$	894	$	124,927	$	166,934	$	10,951,187

(1) Includes purchased credit impaired loans of $11.3 million at June 30, 2018 and $12.6 million at December 31, 2017 that are categorized as nonaccrual for credit analysis purposes because the collection of principal or interest is doubtful. However, these loans are accounted for under FASB ASC 310-30 and accordingly treated as performing assets.

Loan Participations

Old National has loan participations, which qualify as participating interests, with other financial institutions. At June 30, 2018, these loans totaled $820.2 million, of which $412.8 million had been sold to other financial institutions and $407.4 million was retained by Old National. The loan participations convey proportionate ownership rights with equal priority to each participating interest holder; involve no recourse (other than ordinary representations and warranties) to, or subordination by, any participating interest holder; all cash flows are divided among the participating interest holders in proportion to each holder’s share of ownership; and no holder has the right to pledge the entire financial asset unless all participating interest holders agree.

Troubled Debt Restructurings

Old National may choose to restructure the contractual terms of certain loans. The decision to restructure a loan, versus aggressively enforcing the collection of the loan, may benefit Old National by increasing the ultimate probability of collection.

Any loans that are modified are reviewed by Old National to identify if a TDR has occurred, which is when for economic or legal reasons related to a borrower’s financial difficulties, Old National Bank grants a concession to the borrower that it would not otherwise consider. Terms may be modified to fit the ability of the borrower to repay in line with its current financial status. The modification of the terms of such loans include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the maturity date at a stated rate of interest lower than the current market rate of new debt with similar risk, or a permanent reduction of the recorded investment of the loan.

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Loans modified in a TDR are typically placed on nonaccrual status until we determine the future collection of principal and interest is reasonably assured, which generally requires that the borrower demonstrate a period of performance according to the restructured terms for six months.

If we are unable to resolve a nonperforming loan issue, the credit will be charged off when it is apparent there will be a loss. For large commercial type loans, each relationship is individually analyzed for evidence of apparent loss based on quantitative benchmarks or subjectively based upon certain events or particular circumstances. Generally, Old National charges off small commercial loans scored through our small business credit center with contractual balances under $250,000 that are 90 days or more delinquent and do not have adequate collateral support. For residential and consumer loans, a charge off is recorded at the time foreclosure is initiated or when the loan becomes 120 to 180 days past due, whichever is earlier.

For commercial TDRs, an allocated reserve is established within the allowance for loan losses for the difference between the carrying value of the loan and its computed value. To determine the value of the loan, one of the following methods is selected: (1) the present value of expected cash flows discounted at the loan’s original effective interest rate, (2) the loan’s observable market price, or (3) the fair value of the collateral value, if the loan is collateral dependent. The allocated reserve is established as the difference between the carrying value of the loan and the collectable value. If there are significant changes in the amount or timing of the loan’s expected future cash flows, impairment is recalculated and the valuation allowance is adjusted accordingly.

When a residential or consumer loan is identified as a TDR, the loan is typically written down to its collateral value less selling costs.

The following table presents activity in TDRs for the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Six Months Ended June 30, 2018
Balance at beginning of period	$	12,088		$	34,705		$	3,315		$	3,895		$	54,003
(Charge-offs)/recoveries		(151	)		(22	)		23			(22	)		(172	)
Payments		(3,978	)		(969	)		(69	)		(907	)		(5,923	)
Additions		1,084			1,213			502			432			3,231
Balance at end of period	$	9,043		$	34,927		$	3,771		$	3,398		$	51,139
Six Months Ended June 30, 2017
Balance at beginning of period	$	16,802		$	18,327		$	2,985		$	2,602		$	40,716
(Charge-offs)/recoveries		(64	)		360			—			(97	)		199
Payments		(6,116	)		(3,057	)		(283	)		(785	)		(10,241	)
Additions		9,442			17,429			938			1,924			29,733
Balance at end of period	$	20,064		$	33,059		$	3,640		$	3,644		$	60,407

TDRs included with nonaccrual loans totaled $34.0 million at June 30, 2018 and December 31, 2017. Old National has allocated specific reserves to customers whose loan terms have been modified in TDRs totaling $4.8 million at June 30, 2018 and $5.7 million at December 31, 2017. At June 30, 2018, Old National had committed to lend an additional $4.0 million to customers with outstanding loans that are classified as TDRs.

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The pre-modification and post-modification outstanding recorded investments of loans modified as TDRs during the six months ended June 30, 2018 and 2017 are the same except for when the loan modifications involve the forgiveness of principal. The following table presents loans by class modified as TDRs that occurred during the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment
Six Months Ended June 30, 2018
TDR:
Commercial		2	$	1,084	$	1,084
Commercial Real Estate - Other		2		1,213		1,213
Residential		1		502		502
Consumer		1		432		432
Total		6	$	3,231	$	3,231
Six Months Ended June 30, 2017
TDR:
Commercial		6	$	9,442	$	9,442
Commercial Real Estate - Other		10		17,429		17,429
Residential		6		938		938
Consumer		5		1,924		1,924
Total		27	$	29,733	$	29,733

The TDRs that occurred during the six months ended June 30, 2018 did not have a material impact on the allowance for loan losses and resulted in no charge-offs during the six months ended June 30, 2018. The TDRs that occurred during the six months ended June 30, 2017 increased the allowance for loan losses by $3.4 million and resulted in no charge-offs.

A loan is considered to be in payment default once it is 90 days contractually past due under the modified terms.

TDRs for which there was a payment default within twelve months following the modification were insignificant during the six months ended June 30, 2018 and 2017.

The terms of certain other loans were modified during 2018 that did not meet the definition of a TDR. It is our process to review all classified and criticized loans that, during the period, have been renewed, have entered into a forbearance agreement, have gone from principal and interest to interest only, or have extended the maturity date. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed of the probability that the borrower will be in payment default on its debt in the foreseeable future without the modification. The evaluation is performed under our internal underwriting policy. We also evaluate whether a concession has been granted or if we were adequately compensated through a market interest rate, additional collateral or a bona fide guarantee. We also consider whether the modification was insignificant relative to the other terms of the agreement or the delay in a payment.

PCI loans are not considered impaired until after the point at which there has been a degradation of cash flows below our expected cash flows at acquisition. If a PCI loan is subsequently modified, and meets the definition of a TDR, it will be removed from PCI accounting and accounted for as a TDR only if the PCI loan was being accounted for individually. If the PCI loan is being accounted for as part of a pool, it will not be removed from the pool. As of June 30, 2018, it has not been necessary to remove any loans from PCI accounting.

In general, once a modified loan is considered a TDR, the loan will always be considered a TDR, and therefore impaired, until it is paid in full, otherwise settled, sold or charged off. However, guidance also permits for loans to be removed from TDR status when subsequently restructured under these circumstances: (1) at the time of the subsequent restructuring, the borrower is not experiencing financial difficulties, and this is documented by a current

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credit evaluation at the time of the restructuring, (2) under the terms of the subsequent restructuring agreement, the institution has granted no concession to the borrower; and (3) the subsequent restructuring agreement includes market terms that are no less favorable than those that would be offered for a comparable new loan. For loans subsequently restructured that have cumulative principal forgiveness, the loan should continue to be measured in accordance with ASC 310-10, Receivables – Overall. However, consistent with ASC 310-40-50-2, Troubled Debt Restructurings by Creditors, Creditor Disclosure of Troubled Debt Restructurings, the loan would not be required to be reported in the years following the restructuring if the subsequent restructuring meets both of these criteria: (1) has an interest rate at the time of the subsequent restructuring that is not less than a market interest rate; and (2) is performing in compliance with its modified terms after the subsequent restructuring.

Purchased Credit Impaired Loans

Purchased loans acquired in a business combination are recorded at estimated fair value on their purchase date with no carryover of the related allowance for loan and lease losses. In determining the estimated fair value of purchased loans, management considers a number of factors including, among others, the remaining life of the acquired loans, estimated prepayments, estimated loss ratios, estimated value of the underlying collateral, and net present value of cash flows expected to be received. Purchased loans are accounted for in accordance with guidance for certain loans acquired in a transfer (ASC 310-30), when the loans have evidence of credit deterioration since origination and it is probable at the date of acquisition that the acquirer will not collect all contractually required principal and interest payments. The difference between contractually required payments and the cash flows expected to be collected at acquisition is referred to as the non-accretable difference. Subsequent decreases to the expected cash flows will generally result in a provision for loan and lease losses. Subsequent increases in expected cash flows will result in a reversal of the provision for loan losses to the extent of prior charges and then an adjustment to accretable yield, which would have a positive impact on interest income prospectively.

Old National has purchased loans for which there was, at acquisition, evidence of deterioration of credit quality since origination and it was probable, at acquisition, that all contractually required payments would not be collected. For these loans that meet the criteria of ASC 310-30 treatment, the carrying amount was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial	$	4,359		$	5,152
Commercial real estate		20,561			21,826
Residential		4,242			11,303
Consumer		10,315			5,245
Carrying amount		39,477			43,526
Allowance for loan losses		(326	)		(166	)
Carrying amount, net of allowance	$	39,151		$	43,360

The outstanding balance of loans accounted for under ASC 310-30, including contractual principal, interest, fees and penalties, was $240.9 million at June 30, 2018 and $235.9 million at December 31, 2017.

The accretable difference on PCI loans is the difference between the expected cash flows and the net present value of expected cash flows with such difference accreted into earnings using the effective yield method over the term of the loans. Accretion recorded as loan interest income totaled $7.1 million during the six months ended June 30, 2018 and $7.3 million during the six months ended June 30, 2017. Improvement in cash flow expectations has resulted in a reclassification from nonaccretable difference to accretable yield as shown in the table below.

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Accretable yield of PCI loans, or income expected to be collected, is as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	27,835		$	33,603
Accretion of income		(7,073	)		(7,330	)
Reclassifications from (to) nonaccretable difference		3,466			594
Disposals/other adjustments		21			183
Balance at end of period	$	24,249		$	27,050

Included in Old National’s allowance for loan losses is $0.3 million related to the purchased loans disclosed above at June 30, 2018 and $0.2 million at December 31, 2017.

PCI loans purchased during 2017 for which it was probable at acquisition that all contractually required payments would not be collected were as follows:

(dollars in thousands)	Anchor (MN) (1)
Contractually required payments	$	16,898
Nonaccretable difference		(4,787	)
Cash flows expected to be collected at acquisition		12,111
Accretable yield		(1,556	)
Fair value of acquired loans at acquisition	$	10,555

(1) Old National acquired Anchor (MN) effective November 1, 2017.

Income would not be recognized on certain purchased loans if Old National could not reasonably estimate cash flows to be collected. Old National had no purchased loans for which it could not reasonably estimate cash flows to be collected.

NOTE 9 – OTHER REAL ESTATE OWNED

The following table presents activity in other real estate owned for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	8,810		$	18,546
Additions		1,175			950
Sales		(5,625	)		(6,552	)
Impairment		(631	)		(1,873	)
Balance at end of period (1)	$	3,729		$	11,071

(1) Includes repossessed personal property of $0.3 million at June 30, 2018 and $0.2 million at June 30, 2017.

At June 30, 2018, foreclosed residential real estate property included in the table above totaled $1.3 million. At June 30, 2018, consumer mortgage loans collateralized by residential real property that were in the process of foreclosure totaled $6.3 million.

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NOTE 10 – PREMISES AND EQUIPMENT

The composition of premises and equipment at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Land	$	70,628		$	73,046
Buildings		339,378			343,833
Furniture, fixtures, and equipment		98,793			94,254
Leasehold improvements		40,165			38,918
Total		548,964			550,051
Accumulated depreciation		(99,660	)		(91,977	)
Premises and equipment, net	$	449,304		$	458,074

Depreciation expense was $5.9 million for the three months ended June 30, 2018 and $11.8 million for the six months ended June 30, 2018, compared to $5.2 million for the three months ended June 30, 2017 and $10.4 million for the six months ended June 30, 2017.

Operating Leases

Old National rents certain premises and equipment under operating leases, which expire at various dates. Many of these leases require the payment of property taxes, insurance premiums, maintenance, and other costs. In some cases, rentals are subject to increase in relation to a cost-of-living index. The leases have original terms ranging from two years and six months to twenty-five years, and Old National has the right, at its option, to extend the terms of certain leases for four additional successive terms of five years. Old National does not have any material sub-lease agreements. Rent expense was $4.5 million for the three months ended June 30, 2018 and $8.9 million for the six months ended June 30, 2018, compared to $3.8 million for the three months ended June 30, 2017 and $7.7 million for the six months ended June 30, 2017.

Old National had deferred gains remaining associated with prior sale leaseback transactions totaling $7.3 million at June 30, 2018 and $8.2 million at December 31, 2017. The gains will be recognized over the remaining term of the leases. The leases had original terms ranging from five to twenty-four years.

Capital Leases

Old National leases two branch buildings and certain equipment under capital leases. See Note 16 to the consolidated financial statements for detail regarding these leases.

NOTE 11 – GOODWILL AND OTHER INTANGIBLE ASSETS

The following table shows the changes in the carrying amount of goodwill for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	828,051	$	655,018
Acquisition adjustments		753		—
Balance at end of period	$	828,804	$	655,018

Goodwill is reviewed annually for impairment. No events or circumstances since the August 31, 2017 annual impairment test were noted that would indicate it was more likely than not a goodwill impairment exists. During the six months ended June 30, 2018, Old National recorded a $0.8 million increase to goodwill associated with the acquisition of Anchor (MN).

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The gross carrying amount and accumulated amortization of other intangible assets at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization and Impairment			Net Carrying Amount
June 30, 2018
Core deposit	$	108,268	$	(69,065	)	$	39,203
Customer trust relationships		16,547		(10,333	)		6,214
Total intangible assets	$	124,815	$	(79,398	)	$	45,417
December 31, 2017
Core deposit	$	108,923	$	(62,874	)	$	46,049
Customer trust relationships		16,547		(9,533	)		7,014
Customer loan relationships		4,413		(4,380	)		33
Total intangible assets	$	129,883	$	(76,787	)	$	53,096

Other intangible assets consist of core deposit intangibles and customer relationship intangibles and are being amortized primarily on an accelerated basis over their estimated useful lives, generally over a period of 5 to 15 years. During the six months ended June 30, 2018, Old National recorded a $0.7 million decrease to core deposit intangibles related to the updated valuation associated with the acquisition of Anchor (MN).

Old National reviews other intangible assets for possible impairment whenever events or changes in circumstances indicate that carrying amounts may not be recoverable. No impairment charges were recorded during the six months ended June 30, 2018 or 2017. Total amortization expense associated with intangible assets was $7.0 million for the six months ended June 30, 2018 and $5.8 million for the six months ended June 30, 2017.

Estimated amortization expense for future years is as follows:

(dollars in thousands)
2018 remaining	$	6,399
2019		11,010
2020		8,672
2021		6,417
2022		4,595
Thereafter		8,324
Total	$	45,417

NOTE 12 – LOAN SERVICING RIGHTS

At June 30, 2018, loan servicing rights derived from loans sold with servicing retained totaled $24.3 million, compared to $24.7 million at December 31, 2017. Loans serviced for others are not reported as assets. The principal balance of loans serviced for others was $3.306 billion at June 30, 2018, compared to $3.321 billion at December 31, 2017. Approximately 99.7% of the loans serviced for others at June 30, 2018 were residential mortgage loans. Custodial escrow balances maintained in connection with serviced loans were $37.8 million at June 30, 2018 and $8.9 million at December 31, 2017.

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The following table summarizes the carrying values and activity related to loan servicing rights and the related valuation allowance for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	24,690		$	25,629
Additions		1,951			1,976
Amortization		(2,323	)		(2,507	)
Balance before valuation allowance at end of period		24,318			25,098
Valuation allowance:
Balance at beginning of period		(29	)		(68	)
(Additions)/recoveries		14			(7	)
Balance at end of period		(15	)		(75	)
Loan servicing rights, net	$	24,303		$	25,023

At June 30, 2018, the fair value of servicing rights was $27.0 million, which was determined using a discount rate of 13% and a weighted average prepayment speed of 115% PSA. At December 31, 2017, the fair value of servicing rights was $25.8 million, which was determined using a discount rate of 13% and a weighted average prepayment speed of 140% PSA.

NOTE 13 – QUALIFIED AFFORDABLE HOUSING PROJECTS AND OTHER TAX CREDIT INVESTMENTS

Old National is a limited partner in several tax-advantaged limited partnerships whose purpose is to invest in approved qualified affordable housing, renewable energy, or other renovation or community revitalization projects. As of June 30, 2018, Old National expects to recover its remaining investments using the tax credits that are generated by the investments.

The following table summarizes Old National’s investments in qualified affordable housing projects and other tax credit investments at June 30, 2018 and December 31, 2017:

(dollars in thousands)		June 30, 2018				December 31, 2017
Investment	Accounting Method	Investment		Unfunded Commitment (1)		Investment		Unfunded Commitment
LIHTC	Proportional amortization	$	29,802	$	6,719	$	31,183	$	15,553
FHTC	Equity		5,201		10,710		10,645		12,040
CReED	Equity		704		1,502		704		1,502
Renewable Energy	Equity		15,136		18,588		22,364		19,771
Total		$	50,843	$	37,519	$	64,896	$	48,866

(1) All commitments will be paid by Old National by 2027.

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The following table summarizes the amortization expense and tax benefit recognized for Old National’s qualified affordable housing projects and other tax credit investments for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Amortization Expense (1)		Tax Expense (Benefit) Recognized (2)
Three Months Ended June 30, 2018
LIHTC	$	643	$	(831	)
FHTC		5,444		(1,948	)
Renewable Energy		6,414		(2,882	)
Total	$	12,501	$	(5,661	)
Three Months Ended June 30, 2017
LIHTC	$	940	$	(1,298	)
FHTC		—		(1,519	)
CReED (3)		—		(606	)
Total	$	940	$	(3,423	)
Six Months Ended June 30, 2018
LIHTC	$	1,282	$	(1,662	)
FHTC		5,444		(3,896	)
Renewable Energy		7,129		(6,296	)
Total	$	13,855	$	(11,854	)
Six Months Ended June 30, 2017
LIHTC	$	1,881	$	(2,595	)
FHTC		—		(3,039	)
CReED (3)		—		(606	)
Total	$	1,881	$	(6,240	)

(1) The amortization expense for the LIHTC investments is included in our income tax expense. The amortization expense for the FHTC and Renewable Energy tax credits is included in noninterest expense.

(2) All of the tax benefits recognized are included in our income tax expense. The tax benefit recognized for the FHTC and Renewable Energy investments primarily reflects the tax credits generated from the investments, and excludes the net tax expense (benefit) of the investments’ income (loss).

(3) The CReED tax credit investment qualifies for an Indiana state tax credit.

NOTE 14 – SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE

Securities sold under agreements to repurchase are secured borrowings. Old National pledges investment securities to secure these borrowings. The following table presents securities sold under agreements to repurchase and related weighted-average interest rates at or for the six months ended June 30:

(dollars in thousands)	2018			2017
Outstanding at June 30,	$	347,511		$	298,094
Average amount outstanding		337,612			330,285
Maximum amount outstanding at any month-end		347,511			351,897
Weighted average interest rate:
During the six months ended June 30,		0.47	%		0.36	%
At June 30,		0.59			0.41

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The following table presents the contractual maturity of our secured borrowings and class of collateral pledged:

	At June 30, 2018
	Remaining Contractual Maturity of the Agreements
(dollars in thousands)	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 days		Total
Repurchase Agreements:
U.S. Treasury and agency securities	$	347,511	$	—	$	—	$	—	$	347,511
Total	$	347,511	$	—	$	—	$	—	$	347,511

The fair value of securities pledged to secure repurchase agreements may decline. Old National has pledged securities valued at 109% of the gross outstanding balance of repurchase agreements at June 30, 2018 to manage this risk.

NOTE 15 – FEDERAL HOME LOAN BANK ADVANCES

The following table summarizes Old National Bank’s FHLB advances at June 30, 2018 and December 31, 2017:

	June 30,		December 31,
(dollars in thousands)	2018		2017
FHLB advances (fixed rates 1.50% to 6.08% and variable rates 2.23% to 2.50%) maturing July 2018 to June 2028	$	1,756,730	$	1,610,531
ASC 815 fair value hedge and other basis adjustments		578		(952	)
Total other borrowings	$	1,757,308	$	1,609,579

FHLB advances had weighted-average rates of 2.29% at June 30, 2018 and 1.55% at December 31, 2017. Investment securities and residential real estate loans collateralize these borrowings up to 140% of outstanding debt.

Contractual maturities of FHLB advances at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	626,567
Due in 2019		201,494
Due in 2020		100,000
Due in 2021		20,000
Due in 2022		58,500
Thereafter		750,169
ASC 815 fair value hedge and other basis adjustments		578
Total	$	1,757,308

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NOTE 16 – OTHER BORROWINGS

The following table summarizes Old National’s other borrowings at June 30, 2018 and December 31, 2017:

	June 30,			December 31,
(dollars in thousands)	2018			2017
Old National Bancorp:
Senior unsecured notes (fixed rate 4.125%) maturing August 2024	$	175,000		$	175,000
Unamortized debt issuance costs related to senior unsecured notes		(949	)		(1,026	)
Junior subordinated debentures (variable rates of 3.68% to 6.22%) maturing April 2032 to September 2037		60,310			60,310
Other basis adjustments		(3,318	)		(3,585	)
Old National Bank:
Capital lease obligations		5,326			5,389
Subordinated debentures (fixed rate 5.75%)		12,000			12,000
Other		1,872			694
Total other borrowings	$	250,241		$	248,782

Contractual maturities of other borrowings at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	1,286
Due in 2019		137
Due in 2020		147
Due in 2021		160
Due in 2022		172
Thereafter		251,956
Unamortized debt issuance costs and other basis adjustments		(3,617	)
Total	$	250,241

Senior Notes

In August 2014, Old National issued $175.0 million of senior unsecured notes with a 4.125% interest rate. These notes pay interest on February 15 and August 15. The notes mature on August 15, 2024.

Junior Subordinated Debentures

Junior subordinated debentures related to trust preferred securities are classified in “other borrowings.” With the addition of Anchor (MN) assets, these securities now qualify as Tier 2 capital for regulatory purposes, subject to certain limitations. Prior to the fourth quarter of 2017, these securities qualified as Tier 1 capital for regulatory purposes.

Through various acquisitions, Old National assumed junior subordinated debenture obligations related to various trusts that issued trust preferred securities. Old National guarantees the payment of distributions on the trust preferred securities issued by the trusts. Proceeds from the issuance of each of these securities were used to purchase junior subordinated debentures with the same financial terms as the securities issued by the trusts.

Old National, at any time, may redeem the junior subordinated debentures at par and, thereby cause a redemption of the trust preferred securities in whole or in part.

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The following table summarizes the terms of our outstanding junior subordinated debentures at June 30, 2018:

(dollars in thousands)					Rate at
		Issuance			June 30,
Name of Trust	Issuance Date	Amount		Rate	2018			Maturity Date
VFSC Capital Trust I	April 2002	$	3,093	3-month LIBOR plus 3.70%		6.22	%	April 22, 2032
VFSC Capital Trust II	October 2002		4,124	3-month LIBOR plus 3.45%		5.79	%	November 7, 2032
VFSC Capital Trust III	April 2004		3,093	3-month LIBOR plus 2.80%		5.12	%	September 8, 2034
St. Joseph Capital Trust II	March 2005		5,000	3-month LIBOR plus 1.75%		4.08	%	March 20, 2035
Anchor Capital Trust III	August 2005		5,000	3-month LIBOR plus 1.55%		3.89	%	September 30, 2035
Tower Capital Trust 2	December 2005		8,000	3-month LIBOR plus 1.34%		3.68	%	December 4, 2035
Home Federal Statutory Trust I	September 2006		15,000	3-month LIBOR plus 1.65%		3.99	%	September 15, 2036
Monroe Bancorp Capital Trust I	July 2006		3,000	3-month LIBOR plus 1.60%		3.95	%	October 7, 2036
Monroe Bancorp Statutory Trust II	March 2007		5,000	3-month LIBOR plus 1.60%		3.94	%	June 15, 2037
Tower Capital Trust 3	December 2006		9,000	3-month LIBOR plus 1.69%		3.99	%	September 15, 2037
Total		$	60,310

Subordinated Debentures

On November 1, 2017, Old National assumed $12.0 million of subordinated fixed-to-floating notes related to the acquisition of Anchor (MN). The subordinated debentures have a 5.75% fixed rate of interest through October 29, 2020. From October 30, 2020 to the October 30, 2025 maturity date, the debentures have a floating rate of interest equal to the three-month LIBOR rate plus 4.356%.

Capital Lease Obligations

On January 1, 2004, Old National entered into a long-term capital lease obligation for a branch office building in Owensboro, Kentucky, which extends for 25 years with one renewal option for 10 years. The economic substance of this lease is that Old National is financing the acquisition of the building through the lease and accordingly, the building is recorded as an asset and the lease is recorded as a liability. The fair value of the capital lease obligation was estimated using a discounted cash flow analysis based on Old National’s current incremental borrowing rate for similar types of borrowing arrangements.

On May 1, 2016, Old National acquired Anchor (WI), assuming a five-year capital lease obligation for equipment.

On November 1, 2017, Old National assumed a capital lease obligation for a banking center in Arden Hills, Minnesota related to the acquisition of Anchor (MN). The remaining base term of the lease is five years with one renewal option of ten years. For purposes of measuring the lease obligation, we determined that we would be “reasonably assured” to exercise the renewal option. The fair value of the capital lease obligation was estimated using a discounted cash flow analysis based on a market rate for similar types of borrowing arrangements. Based on the above assumptions, Old National measured the capital lease obligation at $1.5 million as of the date of acquisition.

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At June 30, 2018, the future minimum lease payments under the capital lease arrangements were as follows:

(dollars in thousands)
2018	$	284
2019		589
2020		589
2021		589
2022		589
Thereafter		9,275
Total minimum lease payments		11,915
Less amounts representing interest		(6,589	)
Present value of net minimum lease payments	$	5,326

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NOTE 17 – ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes within each classification of AOCI, net of tax, for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Unrealized Gains and Losses on Available-for-Sale Securities			Unrealized Gains and Losses on Held-to-Maturity Securities			Gains and Losses on Cash Flow Hedges			Defined Benefit Pension Plans			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	(52,605	)	$	(9,737	)	$	1,126		$	(310	)	$	(61,526	)
Other comprehensive income (loss) before reclassifications		(5,615	)		—			1,143			—			(4,472	)
Amounts reclassified from AOCI to income (1)		(1,136	)		402			8			21			(705	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Three Months Ended June 30, 2017
Balance at beginning of period	$	(29,992	)	$	(13,015	)	$	(5,240	)	$	(318	)	$	(48,565	)
Other comprehensive income (loss) before reclassifications		19,492			—			(1,480	)		—			18,012
Amounts reclassified from AOCI to income (1)		(1,957	)		298			1,075			17			(567	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)
Six Months Ended June 30, 2018
Balance at beginning of period	$	(35,557	)	$	(12,107	)	$	(2,337	)	$	(271	)	$	(50,272	)
Other comprehensive income (loss) before reclassifications		(14,486	)		4,514			4,587			—			(5,385	)
Amounts reclassified from AOCI to income (1)		(1,730	)		858			588			41			(243	)
Amount reclassified from AOCI to retained earnings for cumulative effect of change in accounting principle (2)		—			—			(52	)		—			(52	)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017 (3)		(7,583	)		(2,600	)		(509	)		(59	)		(10,751	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Six Months Ended June 30, 2017
Balance at beginning of period	$	(39,012	)	$	(13,310	)	$	(6,715	)	$	(335	)	$	(59,372	)
Other comprehensive income (loss) before reclassifications		29,459			—			(1,120	)		—			28,339
Amounts reclassified from AOCI to income (1)		(2,904	)		593			2,190			34			(87	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)

(1) See table below for details about reclassifications to income.

(2) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2017-12.

(3) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2018-02.

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The following table summarizes the significant amounts reclassified out of each component of AOCI for the three months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Three Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	1,494		$	3,075		Net securities gains
		(358	)		(1,118	)	Income tax (expense) benefit
	$	1,136		$	1,957		Net income
Unrealized gains and losses on held-to-maturity securities	$	(521	)	$	(453	)	Interest income (expense)
		119			155		Income tax (expense) benefit
	$	(402	)	$	(298	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(10	)	$	(1,734	)	Interest income (expense)
		2			659		Income tax (expense) benefit
	$	(8	)	$	(1,075	)	Net income
Amortization of defined benefit pension items Actuarial gains (losses)	$	(27	)	$	(27	)	Salaries and employee benefits
		6			10		Income tax (expense) benefit
	$	(21	)	$	(17	)	Net income
Total reclassifications for the period	$	705		$	567		Net income

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The following table summarizes the significant amounts reclassified out of each component of AOCI for the six months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	2,282		$	4,575		Net securities gains
		(552	)		(1,671	)	Income tax (expense) benefit
	$	1,730		$	2,904		Net income
Unrealized gains and losses on held-to-maturity securities	$	(1,112	)	$	(902	)	Interest income/(expense)
		254			309		Income tax (expense) benefit
	$	(858	)	$	(593	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(779	)	$	(3,533	)	Interest income/(expense)
		191			1,343		Income tax (expense) benefit
	$	(588	)	$	(2,190	)	Net income
Amortization of defined benefit pension items Actuarial gains/(losses)	$	(54	)	$	(54	)	Salaries and employee benefits
		13			20		Income tax (expense) benefit
	$	(41	)	$	(34	)	Net income
Total reclassifications for the period	$	243		$	87		Net income

NOTE 18 – EMPLOYEE BENEFIT PLANS

Retirement Plan

Old National had a funded noncontributory defined benefit plan (the “Retirement Plan”) that had been frozen since December 31, 2005. During the first quarter of 2016, we notified plan participants of our intent to terminate the Retirement Plan effective May 15, 2016. During October 2016, the Retirement Plan settled plan liabilities through either lump sum distributions to plan participants or annuity contracts purchased from a third-party insurance company that provided for the payment of vested benefits to those participants that did not elect the lump sum option. At June 30, 2018, there were no remaining plan assets.

Employee Stock Ownership Plan

The Employee Stock Ownership and Savings Plan (the “401(k) Plan”) permits employees to participate the first month following one month of service. During the second quarter of 2018, Old National increased its match to 75% of employee compensation deferral contributions of the first 4% of compensation, and 50% of the next 4% of compensation. The change was retroactive for all of 2018. For 2017, we matched 50% of employee compensation deferral contributions, up to 6% of compensation. Contribution expense under the 401(k) Plan was $3.1 million in the three months ended June 30, 2018 and $4.6 million in the six months ended June 30, 2018, compared to $1.2 million in the three months ended June 30, 2017 and $2.4 million in the six months ended June 30, 2017.

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NOTE 19 – SHARE-BASED COMPENSATION

At June 30, 2018, Old National had 4.4 million shares remaining available for issuance under the Company’s Amended and Restated 2008 Incentive Compensation Plan. The granting of awards to key employees is typically in the form of restricted stock awards or units.

Restricted Stock Awards

Old National granted 212 thousand time-based restricted stock awards to certain key officers during the six months ended June 30, 2018, with shares vesting generally over a thirty-six month period. Compensation expense is recognized on a straight-line basis over the vesting period. Shares are subject to certain restrictions and risk of forfeiture by the participants. At June 30, 2018, unrecognized compensation expense was estimated to be $6.1 million for unvested restricted stock awards. The cost is expected to be recognized over a weighted-average period of 2.2 years.

Old National recorded share-based compensation expense, net of tax, related to restricted stock awards of $1.1 million, net of tax, during the six months ended June 30, 2018, compared to $0.9 million, net of tax, during the six months ended June 30, 2017.

Restricted Stock Units

Old National granted 288 thousand shares of performance based restricted stock units to certain key officers during the six months ended June 30, 2018, with shares vesting at the end of a thirty-six month period based on the achievement of certain targets. For certain awards, the level of performance could increase or decrease the percentage of shares earned. Compensation expense is recognized on a straight-line basis over the vesting period. Shares are subject to certain restrictions and risk of forfeiture by the participants. At June 30, 2018, unrecognized compensation expense was estimated to be $5.8 million. The cost is expected to be recognized over a weighted-average period of 2.0 years.

Old National recorded share-based compensation expense, net of tax, related to restricted stock units of $1.6 million during the six months ended June 30, 2018, compared to $1.0 million during the six months ended June 30, 2017.

Stock Options

Old National has not granted stock options since 2009. However, Old National did acquire stock options through prior year acquisitions. Old National did not record any share-based compensation expense related to these stock options during the six months ended June 30, 2018 or 2017.

Stock Appreciation Rights

Old National has never granted stock appreciation rights. However, Old National did acquire stock appreciation rights through a prior year acquisition. Old National did not record any incremental expense associated with the conversion of these stock appreciation rights during the six months ended June 30, 2018 or 2017. At June 30, 2018, 62 thousand stock appreciation rights remained outstanding.

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NOTE 20 – INCOME TAXES

Following is a summary of the major items comprising the differences in taxes from continuing operations computed at the federal statutory rate and as recorded in the consolidated statements of income:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Provision at statutory rate (1)	$	10,153		$	17,303		$	21,270		$	33,572
Tax-exempt income:
Tax-exempt interest		(2,237	)		(3,672	)		(4,428	)		(7,374	)
Section 291/265 interest disallowance		73			64			135			121
Company-owned life insurance income		(510	)		(741	)		(1,057	)		(1,493	)
Tax-exempt income		(2,674	)		(4,349	)		(5,350	)		(8,746	)
State income taxes		1,028			195			2,216			1,046
Interim period effective rate adjustment		933			(286	)		1,025			(741	)
Tax credit investments - federal		(4,973	)		(1,877	)		(10,741	)		(3,753	)
Other, net		(122	)		(402	)		882			(303	)
Income tax expense	$	4,345		$	10,584		$	9,302		$	21,075
Effective tax rate		9.0	%		21.4	%		9.2	%		22.0	%

(1) The statutory rate was 21% for the three and six months ended June 30, 2018, compared to 35% for the three and six months ended June 30, 2017.

In accordance with ASC 740-270, Accounting for Interim Reporting, the provision for income taxes was recorded at June 30, 2018 and 2017 based on the current estimate of the effective annual rate.

The lower effective tax rate during the three and six months ended June 30, 2018 when compared to the three and six months ended June 30, 2017 is primarily the result of the lowering of the federal corporate tax rate to 21% in 2018 and an increase in federal tax credits available. On December 22, 2017, the Tax Cuts and Jobs Act (“H.R. 1”) was enacted into legislation. Under ASC 740, the effects of changes in tax rates and laws are recognized in the period in which the new legislation is enacted. Accordingly, Old National recorded an estimated $39.3 million for the revaluation of Old National’s deferred tax assets in December 2017.

Shortly after the enactment date, the SEC issued SAB 118, which addresses the situations where the accounting for changes in tax laws is complete, incomplete but can be reasonably estimated, and incomplete and cannot be reasonably estimated. SAB 118 also permits a measurement period of up to one year from the date of enactment to refine the provisional accounting. During the six months ended June 30, 2018, immaterial adjustments made to the preliminary valuation of assets acquired and liabilities assumed in the acquisition of Anchor (MN) impacted the estimated revaluation of Old National’s deferred tax assets. Old National completed its analysis of H.R. 1 during the second quarter of 2018.

Unrecognized Tax Benefits

Old National and its subsidiaries file a consolidated U.S. federal income tax return, as well as filing various state returns. Unrecognized state income tax benefits are reported net of their related deferred federal income tax benefit.

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A reconciliation of the beginning and ending amounts of unrecognized tax benefits was as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	874	$	777
Additions based on tax positions related to the current year		—		70
Balance at end of period	$	874	$	847

If recognized, approximately $0.9 million of unrecognized tax benefits, net of interest, would favorably affect the effective income tax rate in future periods. Old National expects the total amount of unrecognized tax benefits to decrease by approximately $0.3 million in the next twelve months.

Net Deferred Tax Assets

Significant components of net deferred tax assets (liabilities) were as follows at June 30, 2018 and December 31, 2017:

(dollars in thousands)	June 30, 2018			December 31, 2017
Deferred Tax Assets
Allowance for loan losses, net of recapture	$	13,842		$	12,958
Benefit plan accruals		12,146			11,080
Alternative minimum tax credit		2,545			25,084
Unrealized losses on benefit plans		94			108
Net operating loss carryforwards		32,915			39,631
Federal tax credits		12,050			5,516
Other-than-temporary impairment		36			1,424
Deferred gain on securities		2,052			—
Acquired loans		23,976			29,669
Lease exit obligation		1,290			1,337
Unrealized losses on available-for-sale investment securities		18,733			14,011
Unrealized losses on held-to-maturity investment securities		2,746			3,630
Unrealized losses on hedges		—			923
Tax credit investments		862			—
Other real estate owned		181			369
Other, net		2,405			829
Total deferred tax assets		125,873			146,569
Deferred Tax Liabilities
Accretion on investment securities		(451	)		(493	)
Purchase accounting		(15,972	)		(16,718	)
Loan servicing rights		(5,970	)		(6,058	)
Premises and equipment		(9,512	)		(10,052	)
Prepaid expenses		(1,277	)		(1,277	)
Tax credit investments		—			(168	)
Unrealized gains on hedges		(742	)		—
Other, net		(1,762	)		(946	)
Total deferred tax liabilities		(35,686	)		(35,712	)
Net deferred tax assets	$	90,187		$	110,857

Through the acquisition of Anchor (WI) in the second quarter of 2016 and Lafayette Savings Bank in the fourth quarter of 2014, both former thrifts, Old National Bank’s retained earnings at June 30, 2018 include base-year bad debt reserves, created for tax purposes prior to 1988, totaling $52.8 million. Of this total, $50.9 million was

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acquired from Anchor (WI), and $1.9 million was acquired from Lafayette Savings Bank. Base-year reserves are subject to recapture in the unlikely event that Old National Bank (1) makes distributions in excess of current and accumulated earnings and profits, as calculated for federal income tax purposes, (2) redeems its stock, or (3) liquidates. Old National Bank has no intention of making such a nondividend distribution. Accordingly, under current accounting principles, a related deferred income tax liability of $13.0 million has not been recognized.

No valuation allowance was recorded at June 30, 2018 or December 31, 2017 because, based on current expectations, Old National believes it will generate sufficient income in future years to realize deferred tax assets. Old National has federal net operating loss carryforwards totaling $104.5 million at June 30, 2018 and $130.7 million at December 31, 2017. This federal net operating loss was acquired from the acquisition of Anchor (WI) in 2016. If not used, the federal net operating loss carryforwards will expire from 2028 to 2033. Old National has alternative minimum tax (“AMT”) credit carryforwards totaling $22.6 million at June 30, 2018 and $25.1 million at December 31, 2017. The enactment of H.R. 1 eliminates the parallel tax system known as the AMT and allows any existing AMT credits to be used to reduce regular tax or be refunded from 2018 to 2021. ASC 740 allows for the reclassification of the AMT credit from a deferred tax asset to a current tax asset, except for the amount limited by section 382. Old National has $2.5 million of AMT credit carryforward subject to section 382 limitations. The $2.5 million is maintained in deferred tax assets and the remaining $20.1 million has been reclassified to a current tax asset. Old National has federal tax credit carryforwards of $12.1 million at June 30, 2018 and $5.5 million at December 31, 2017. The federal tax credits consist mainly of federal historic credits, energy efficient home credits, low income housing credits, and research and development credits that, if not used, will expire from 2025 to 2038. Old National has recorded state net operating loss carryforwards totaling $183.4 million at June 30, 2018 and $203.6 million at December 31, 2017. If not used, the state net operating loss carryforwards will expire from 2024 to 2033. Old National has state tax credit carryforwards totaling $0.7 million at June 30, 2018 and $1.3 million at December 31, 2017. The state tax credits will not expire.

The federal and recorded state net operating loss carryforwards are subject to an annual limitation under Internal Revenue Code section 382. Old National believes that all of the recorded net operating loss carryforwards will be used prior to expiration.

NOTE 21 – DERIVATIVE FINANCIAL INSTRUMENTS

As discussed in Note 3, Old National adopted ASU 2017-12 in the first quarter of 2018. This adoption primarily impacted our existing cash flow and fair value hedges related to certain FHLB advances. For cash flow hedges as of the date of adoption, the transition guidance in paragraph 815-20-65-3(d) eliminated the separate measurement of ineffectiveness by means of a cumulative-effect adjustment to accumulated other comprehensive income with a corresponding adjustment to the opening balance of retained earnings. For fair value hedges of interest rate risk, the provisions of paragraph 815-25-35-13 permit Old National to elect to modify the measurement methodology to be based on the benchmark rate component of the contractual coupon cash flows without dedesignation of the hedging relationship. The measurement methodology modification shall be applied as of the hedging relationship’s original inception date. The cumulative effect of applying this election shall be recognized as an adjustment to the basis adjustment of the hedged item recognized on the balance sheet with a corresponding adjustment to the opening balance of retained earnings as of the initial application date.

As part of our overall interest rate risk management, Old National uses derivative instruments, including interest rate swaps, caps, and floors. The notional amount of these derivative instruments was $1.034 billion at June 30, 2018 and $708.5 million at December 31, 2017. These derivative financial instruments at June 30, 2018 consisted of $408.5 million notional amount of receive-fixed, pay-variable interest rate swaps on certain of its FHLB advances and $625.0 million notional amount of pay-fixed, receive-variable interest rate swaps on certain of its FHLB advances. Derivative financial instruments at December 31, 2017 consisted of $33.5 million notional amount of receive-fixed, pay-variable interest rate swaps on certain of its FHLB advances and $675.0 million notional amount of pay-fixed, receive-variable interest rate swaps on certain of its FHLB advances. These hedges were entered into to manage interest rate risk. Derivative instruments are recognized on the balance sheet at their fair value and are not reported on a net basis.

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In accordance with ASC 815-20-35-1, subsequent changes in fair value for a hedging instrument that has been designated and qualifies as part of a hedging relationship should be accounted for in the following manner:

Cash flow hedges: changes in fair value will be recognized as a component in other comprehensive income.

Fair value hedges: changes in fair value will be recognized concurrently in earnings.

Consistent with this guidance, as long as a hedging instrument is designated and the results of the effectiveness testing support that the instrument qualifies for hedge accounting treatment, 100% of the periodic changes in fair value of the hedging instrument will be accounted for as outlined above. This is the case whether or not economic mismatches exist in the hedging relationship. As a result, there will be no periodic measurement or recognition of ineffectiveness. Rather, the full impact of hedge gains and losses will be recognized in the period in which the hedged transactions impact earnings.

While separate measurement and presentation of ineffectiveness is being eliminated, paragraph 815-20-45-1A requires the change in fair value of the hedging instrument that is included in the assessment of hedge effectiveness be presented in the same income statement line item that is used to present the earnings effect of the hedged item.

Commitments to fund certain mortgage loans (interest rate lock commitments) and forward commitments for the future delivery of mortgage loans to third party investors are considered derivatives. These derivative contracts do not qualify for hedge accounting. At June 30, 2018, the notional amount of the interest rate lock commitments was $59.3 million and forward commitments were $76.1 million. At December 31, 2017, the notional amount of the interest rate lock commitments was $29.9 million and forward commitments were $41.2 million. It is our practice to enter into forward commitments for the future delivery of residential mortgage loans to third party investors when interest rate lock commitments are entered into in order to economically hedge the effect of changes in interest rates resulting from our commitment to fund the loans.

Old National also enters into derivative instruments for the benefit of its customers. The notional amounts of these customer derivative instruments and the offsetting counterparty derivative instruments were $827.6 million at June 30, 2018. The notional amounts of these customer derivative instruments and the offsetting counterparty derivative instruments were $826.6 million at December 31, 2017. These derivative contracts do not qualify for hedge accounting. These instruments include interest rate swaps, caps, and collars. Commonly, Old National will economically hedge significant exposures related to these derivative contracts entered into for the benefit of customers by entering into offsetting contracts with approved, reputable, independent counterparties with substantially matching terms.

Old National enters into derivative financial instruments as part of its foreign currency risk management strategies. These derivative instruments consist of foreign currency forward contracts to accommodate the business needs of its customers. Old National does not designate these foreign currency forward contracts for hedge accounting treatment. The notional amounts of these foreign currency forward contracts and the offsetting counterparty derivative instruments were $2.1 million at June 30, 2018 and $0.8 million at December 31, 2017.

Credit risk arises from the possible inability of counterparties to meet the terms of their contracts. Old National’s exposure is limited to the replacement value of the contracts rather than the notional, principal, or contract amounts. There are provisions in our agreements with the counterparties that allow for certain unsecured credit exposure up to an agreed threshold. Exposures in excess of the agreed thresholds are collateralized. In addition, we minimize credit risk through credit approvals, limits, and monitoring procedures.

Amounts reported in AOCI related to cash flow hedges will be reclassified to interest income or interest expense as interest payments are received or paid on Old National’s derivative instruments. During the next 12 months, we estimate that $2.0 million will be reclassified to interest income and $0.8 million will be reclassified to interest expense.

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The following table summarizes the fair value of derivative financial instruments utilized by Old National:

(dollars in thousands)	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
June 30, 2018
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	4,871		Other liabilities	$	1,656
Total derivatives designated as hedging instruments			$	4,871			$	1,656
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	8,524		Other liabilities	$	19,148
Mortgage contracts		Other assets		1,537		Other liabilities		352
Foreign currency contracts		Other assets		61		Other liabilities		40
Total derivatives not designated as hedging instruments			$	10,122			$	19,540
Total			$	14,993			$	21,196
December 31, 2017
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	3,351		Other liabilities	$	5,351
Total derivatives designated as hedging instruments			$	3,351			$	5,351
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	10,012		Other liabilities	$	10,933
Mortgage contracts		Other assets		747		Other liabilities		—
Foreign currency contracts		Other assets		8		Other liabilities		8
Total derivatives not designated as hedging instruments			$	10,767			$	10,941
Total			$	14,118			$	16,292

The effect of derivative instruments in fair value hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

(dollars in thousands)								Gain (Loss) Recognized in Income on Related Hedged Items
Derivatives in Fair Value Hedging Relationships	Location of Gain or (Loss) Recognized in in Income on Derivative	Gain (Loss) Recognized in Income on Derivative			Hedged Items in Fair Value Hedging Relationships		Location of Gain or (Loss) Recognized in in Income on Related Hedged Item
Three Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(944	)		Fixed-rate debt	Interest income/(expense)	$	934
Three Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	77			Fixed-rate debt	Interest income/(expense)	$	(25	)
Six Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(1,663	)		Fixed-rate debt	Interest income/(expense)	$	1,655
Six Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	(178	)		Fixed-rate debt	Interest income/(expense)	$	265

The difference between the gain (loss) recognized in income on derivatives and the gain (loss) recognized in income on the related hedged items represents hedge ineffectiveness. In addition, the net swap settlements that accrue each period are also reported in interest expense.

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The effect of derivative instruments in cash flow hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,					Three Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	1,516	$	(2,387	)	$	(10	)	$	(1,734	)
		Six Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	6,079	$	(1,807	)	$	(779	)	$	(3,533	)

The ineffective portion and amount excluded from effectiveness testing related to derivatives in cash flow hedging relationships was immaterial for the three and six months ended June 30, 2018 and 2017.

The effect of derivatives not designated as hedging instruments on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	13
Mortgage contracts	Mortgage banking revenue		(201	)		451
Foreign currency contracts	Other income/(expense)		6			—
Total		$	(168	)	$	464
		Six Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	23
Mortgage contracts	Mortgage banking revenue		437			(1,043	)
Foreign currency contracts	Other income/(expense)		23			—
Total		$	487		$	(1,020	)

(1) Includes the valuation differences between the customer and offsetting swaps.

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NOTE 22 – COMMITMENTS AND CONTINGENCIES

Litigation

In the normal course of business, Old National Bancorp and its subsidiaries have been named, from time to time, as defendants in various legal actions. Certain of the actual or threatened legal actions may include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages.

Old National contests liability and/or the amount of damages as appropriate in each pending matter. In view of the inherent difficulty of predicting the outcome of such matters, particularly in cases where claimants seek substantial or indeterminate damages or where investigations and proceedings are in the early stages, Old National cannot predict with certainty the loss or range of loss, if any, related to such matters, how or if such matters will be resolved, when they will ultimately be resolved, or what the eventual settlement, or other relief, if any, might be. Subject to the foregoing, Old National believes, based on current knowledge and after consultation with counsel, that the outcome of such pending matters will not have a material adverse effect on the consolidated financial condition of Old National, although the outcome of such matters could be material to Old National’s operating results and cash flows for a particular future period, depending on, among other things, the level of Old National’s revenues or income for such period. Old National will accrue for a loss contingency if (1) it is probable that a future event will occur and confirm the loss and (2) the amount of the loss can be reasonably estimated.

Old National is not currently involved in any material litigation.

Credit-Related Financial Instruments

In the normal course of business, Old National’s banking affiliates have entered into various agreements to extend credit, including loan commitments of $3.218 billion and standby letters of credit of $85.7 million at June 30, 2018. At June 30, 2018, approximately $2.986 billion of the loan commitments had fixed rates and $232.0 million had floating rates, with the floating interest rates ranging from 0.99% to 15%. At December 31, 2017, loan commitments totaled $3.144 billion and standby letters of credit totaled $68.7 million. These commitments are not reflected in the consolidated financial statements. The allowance for unfunded loan commitments totaled $3.2 million at June 30, 2018 and $3.1 million at December 31, 2017.

Old National had credit extensions with various unaffiliated banks related to letter of credit commitments issued on behalf of Old National’s clients totaling $12.1 million at June 30, 2018 and $12.4 million at December 31, 2017. Old National provided collateral to the unaffiliated banks to secure credit extensions totaling $9.2 million at June 30, 2018 and $11.5 million at December 31, 2017. Old National did not provide collateral for the remaining credit extensions.

NOTE 23 – FINANCIAL GUARANTEES

Old National holds instruments, in the normal course of business with clients, that are considered financial guarantees in accordance with FASB ASC 460-10 (FIN 45, Guarantor’s Accounting and Disclosure Requirements for Guarantees, Including Indirect Guarantees of Indebtedness of Others), which requires Old National to record the instruments at fair value. Standby letters of credit guarantees are issued in connection with agreements made by clients to counterparties. Standby letters of credit are contingent upon failure of the client to perform the terms of the underlying contract. Credit risk associated with standby letters of credit is essentially the same as that associated with extending loans to clients and is subject to normal credit policies. The term of these standby letters of credit is typically one year or less. At June 30, 2018, the notional amount of standby letters of credit was $85.7 million, which represented the maximum amount of future funding requirements, and the carrying value was $0.4 million. At December 31, 2017, the notional amount of standby letters of credit was $68.7 million, which represented the maximum amount of future funding requirements, and the carrying value was $0.4 million.

Old National is a party in risk participation transactions of interest rate swaps, which had total notional amount of $30.8 million at June 30, 2018.

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NOTE 24 – SEGMENT INFORMATION

Operating segments are components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. Old National Bank, Old National’s bank subsidiary, is the only significant subsidiary upon which management makes decisions regarding how to allocate resources and assess performance. Each of the branches of Old National Bank provide a group of similar community banking services, including such products and services as commercial, real estate and consumer loans, time deposits, checking and savings accounts, cash management, brokerage, trust, and investment advisory services. The individual bank branches located throughout our Midwest footprint have similar operating and economic characteristics. While the chief decision maker monitors the revenue streams of the various products, services, and regional locations, operations are managed and financial performance is evaluated on a Company-wide basis. Accordingly, all of the community banking services and branch locations are considered by management to be aggregated into one reportable operating segment, community banking.

NOTE 25 – FAIR VALUE

FASB ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. FASB ASC 820-10 also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard describes three levels of inputs that may be used to measure fair values:

• Level 1 – Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

• Level 2 – Significant other observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Significant unobservable inputs that reflect a company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

Old National used the following methods and significant assumptions to estimate the fair value of each type of financial instrument:

Investment securities: The fair values for investment securities are determined by quoted market prices, if available (Level 1). For securities where quoted prices are not available, fair values are calculated based on market prices of similar securities (Level 2). For securities where quoted prices or market prices of similar securities are not available, fair values are calculated using discounted cash flows or other market indicators (Level 3). Discounted cash flows are calculated using swap and LIBOR curves plus spreads that adjust for loss severities, volatility, credit risk, and optionality. During times when trading is more liquid, broker quotes are used (if available) to validate the model. Rating agency and industry research reports as well as defaults and deferrals on individual securities are reviewed and incorporated into the calculations.

Residential loans held for sale: The fair value of loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan (Level 2).

Derivative financial instruments: The fair values of derivative financial instruments are based on derivative valuation models using market data inputs as of the valuation date (Level 2).

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Assets and liabilities measured at fair value on a recurring basis, including financial assets and liabilities for which we have elected the fair value option, are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,596	$	5,596	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,257		5,257		—		—
U.S. government-sponsored entities and agencies		568,231		—		568,231		—
Mortgage-backed securities - Agency		1,448,526		—		1,448,526		—
States and political subdivisions		797,533		—		793,505		4,028
Pooled trust preferred securities		8,205		—		—		8,205
Other securities		353,913		30,259		323,654		—
Residential loans held for sale		26,198		—		26,198		—
Derivative assets		14,993		—		14,993		—
Financial Liabilities
Derivative liabilities		21,196		—		21,196		—
			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,584	$	5,584	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,551		5,551		—		—
U.S. government-sponsored entities and agencies		664,286		—		664,286		—
Mortgage-backed securities - Agency		1,667,682		—		1,667,682		—
States and political subdivisions		530,193		—		530,193
Pooled trust preferred securities		8,448		—		—		8,448
Other securities		320,047		30,965		289,082		—
Residential loans held for sale		17,930		—		17,930		—
Derivative assets		14,118		—		14,118		—
Financial Liabilities
Derivative liabilities		16,292		—		16,292		—

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The table below presents a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

(dollars in thousands)	Pooled Trust Preferred Securities			States and Political Subdivisions
Six Months Ended June 30, 2018
Balance at beginning of period	$	8,448		$	—
Accretion (amortization) of discount		10			(18	)
Sales/payments received		(305	)		—
Increase (decrease) in fair value of securities		52			(15	)
Transfers into Level 3		—			4,061
Balance at end of period	$	8,205		$	4,028
Six Months Ended June 30, 2017
Balance at beginning of period	$	8,119		$	—
Accretion of discount		8			—
Sales/payments received		(212	)		—
Increase (decrease) in fair value of securities		182			—
Balance at end of period	$	8,097		$	—

The accretion or amortization of discounts on securities in the table above is included in interest income. An increase in fair value is reflected in the balance sheet as an increase in the fair value of investment securities available-for-sale, an increase in accumulated other comprehensive income, which is included in shareholders’ equity, and a decrease in other assets related to the tax impact. A decrease in fair value is reflected in the balance sheet as a decrease in the fair value of investment securities available-for-sale, a decrease in accumulated other comprehensive income, which is included in shareholders’ equity, and an increase in other assets related to the tax impact. Old National transferred a $4.1 million state and political subdivisions security to Level 3 during the six months ended June 30, 2018 because Old National could no longer obtain evidence of observable inputs.

The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques		Unobservable Input	Range (Weighted Average)
June 30, 2018
Pooled trust preferred securities	$	8,205		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		3.4% - 4.4% (4.1%)
					Expected asset recoveries (c)		0.00%
State and political subdivisions		4,028		Discounted cash flow	No observable inputs Local municipality issuance Old National owns 100% Carried at par		N/A
December 31, 2017
Pooled trust preferred securities	$	8,448		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		4.2% - 9.6% (7.5%)
					Expected asset recoveries (c)		0.0% - 4.1% (0.6%)

(a) Assuming no prepayments.

(b) Each currently performing pool asset is assigned a default probability based on the banking environment, which is adjusted for specific issuer evaluation, of 0%, 50%, or 100%.

(c) Each currently defaulted pool asset is assigned a recovery probability based on specific issuer evaluation of 0%, 25%, or 100%.

Significant changes in any of the unobservable inputs used in the fair value measurement in isolation would result in a significant change to the fair value measurement. The pooled trust preferred securities Old National owns are subordinate note classes that rely on an ongoing cash flow stream to support their values. The senior note classes

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receive the benefit of prepayments to the detriment of subordinate note classes since the ongoing interest cash flow stream is reduced by the early redemption. Generally, a change in prepayment rates or additional pool asset defaults has an impact that is directionally opposite from a change in the expected recovery of a defaulted pool asset.

Assets measured at fair value on a non-recurring basis at June 30, 2018 are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	4,000	$	—	$	—	$	4,000
Commercial real estate loans		20,375		—		—		20,375
Foreclosed Assets:
Commercial real estate		762		—		—		762
Loan servicing rights		158		—		158		—

Impaired commercial and commercial real estate loans that are deemed collateral dependent are valued based on the fair value of the underlying collateral. These estimates are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. These impaired commercial and commercial real estate loans had a principal amount of $37.1 million, with a valuation allowance of $12.7 million at June 30, 2018. Old National recorded provision expense associated with these loans totaling $4.9 million for the three months ended June 30, 2018 and $6.5 million for the six months ended June 30, 2018. Old National recorded provision expense associated with impaired commercial and commercial real estate loans that were deemed collateral dependent totaling $5.1 million for the three months ended June 30, 2017 and $6.2 million for the six months ended June 30, 2017.

Other real estate owned and other repossessed property is measured at fair value less costs to sell and had a net carrying amount of $0.8 million at June 30, 2018. The estimates of fair value are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. There were write-downs of other real estate owned of $0.1 million for the three months ended June 30, 2018 and $0.4 million for the six months ended June 30, 2018. There were write-downs of other real estate owned of $0.8 million for the three months ended June 30, 2017 and $1.6 million for the six months ended June 30, 2017.

Loan servicing rights are evaluated for impairment based upon the fair value of the rights as compared to the carrying amount. If the carrying amount of an individual tranche exceeds fair value, impairment is recorded on that tranche so that the servicing asset is carried at fair value. Fair value is determined at a tranche level, based on market prices for comparable mortgage servicing contracts when available, or alternatively based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model utilizes a discount rate, weighted average prepayment speed, and other economic factors that market participants would use in estimating future net servicing income and that can be validated against available market data (Level 2). The valuation allowance for loan servicing rights with impairments at June 30, 2018 totaled $15 thousand. Old National recorded recoveries associated with these loan servicing rights totaling $4 thousand for the three months ended June 30, 2018 and $14 thousand for the six months ended June 30, 2018. There were impairments of loan servicing rights totaling $25 thousand for the three months ended June 30, 2017 and $7 thousand for the six months ended June 30, 2017.

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Assets measured at fair value on a non-recurring basis at December 31, 2017 are summarized below:

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	2,217	$	—	$	—	$	2,217
Commercial real estate loans		26,319		—		—		26,319
Foreclosed Assets:
Commercial real estate		1,726		—		—		1,726
Residential		55		—		—		55
Loan servicing rights		2,964		—		2,964		—

At December 31, 2017, impaired commercial and commercial real estate loans had a principal amount of $38.6 million, with a valuation allowance of $10.1 million.

Other real estate owned and other repossessed property had a net carrying amount of $1.8 million at December 31, 2017.

The valuation allowance for loan servicing rights with impairments at December 31, 2017 totaled $29 thousand.

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The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques	Unobservable Input	Range (Weighted Average)
June 30, 2018
Collateral Dependent Impaired Loans
Commercial loans	$	4,000	Fair value of collateral	Discount for type of property, age of appraisal, and current status		25% - 35% (30%)
Commercial real estate loans		20,375	Fair value of collateral	Discount for type of property, age of appraisal and current status		0% - 20% (10%)
Foreclosed Assets
Commercial real estate		762	Fair value of collateral	Discount for type of property, age of appraisal, and current status		8% - 41% (21%)
December 31, 2017
Collateral Dependent Impaired Loans
Commercial loans	$	2,217	Fair value of collateral	Discount for type of property, age of appraisal, and current status		0% - 98% (49%)
Commercial real estate loans		26,319	Fair value of collateral	Discount for type of property, age of appraisal and current status		10% - 78% (32%)
Foreclosed Assets
Commercial real estate		1,726	Fair value of collateral	Discount for type of property, age of appraisal, and current status		7% - 25% (18%)
Residential (1)		55	Fair value of collateral	Discount for type of property, age of appraisal, and current status		39%

(1) There was only one foreclosed residential asset at December 31, 2017, so no range or weighted average rate is reported.

Financial instruments recorded using fair value option

Under FASB ASC 825-10, we may elect to report most financial instruments and certain other items at fair value on an instrument-by instrument basis with changes in fair value reported in net income. After the initial adoption, the election is made at the acquisition of an eligible financial asset, financial liability or firm commitment or when certain specified reconsideration events occur. The fair value election may not be revoked once an election is made.

We have elected the fair value option for residential loans held for sale. For these loans, interest income is recorded in the consolidated statements of income based on the contractual amount of interest income earned on the financial assets (except any that are on nonaccrual status). None of these loans are 90 days or more past due, nor are any on nonaccrual status. Included in the income statement is interest income for loans held for sale totaling $40 thousand for the three months ended June 30, 2018 and $62 thousand for the six months ended June 30, 2018. Included in the income statement is interest income for loans held for sale totaling $41 thousand for the three months ended June 30, 2017 and $69 thousand for the six months ended June 30, 2017.

Residential loans held for sale

Old National has elected the fair value option for newly originated conforming fixed-rate and adjustable-rate first mortgage loans held for sale. These loans are intended for sale and are hedged with derivative instruments. Old National has elected the fair value option to mitigate accounting mismatches in cases where hedge accounting is complex and to achieve operational simplification. The fair value option was not elected for loans held for investment.

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The difference between the aggregate fair value and the aggregate remaining principal balance for loans for which the fair value option has been elected at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Aggregate Fair Value		Difference		Contractual Principal
June 30, 2018
Residential loans held for sale	$	26,198	$	967	$	25,231
December 31, 2017
Residential loans held for sale	$	17,930	$	546	$	17,384

Accrued interest at period end is included in the fair value of the instruments.

The following table presents the amount of gains and losses from fair value changes included in income before income taxes for financial assets carried at fair value:

(dollars in thousands)	Other Gains and (Losses)		Interest Income		Interest (Expense)			Total Changes in Fair Values Included in Current Period Earnings
Three Months Ended June 30, 2018
Residential loans held for sale	$	387	$	3	$	—		$	390
Three Months Ended June 30, 2017
Residential loans held for sale	$	279	$	1	$	—		$	280
Six Months Ended June 30, 2018
Residential loans held for sale	$	422	$	3	$	(4	)	$	421
Six Months Ended June 30, 2017
Residential loans held for sale	$	697	$	2	$	—		$	699

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The carrying amounts and estimated fair values of financial instruments not carried at fair value on the balance sheet at June 30, 2018 and December 31, 2017 were as follows:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	273,874	$	273,874	$	—	$	—
Investment securities held-to-maturity:
U.S. government-sponsored entities and agencies		73,570		—		71,284		—
Mortgage-backed securities - Agency		139,594		—		135,784		—
State and political subdivisions		312,554		—		317,529		—
FHLB/Federal Reserve Bank stock		136,206		N/A		N/A		N/A
Loans, net:
Commercial		2,941,508		—		—		2,845,502
Commercial real estate		4,429,274		—		—		4,330,899
Residential real estate		2,152,106		—		—		2,117,999
Consumer credit		1,719,081		—		—		1,669,906
Accrued interest receivable		81,290		13		23,122		58,155
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,600,793	$	3,600,793	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,171,033		7,171,033		—		—
Time deposits		1,824,550		—		1,822,203		—
Federal funds purchased and interbank borrowings		175,044		175,044		—		—
Securities sold under agreements to repurchase		347,511		347,511		—		—
FHLB advances		1,757,308		—		—		1,747,022
Other borrowings		250,241		—		249,150		—
Accrued interest payable		7,510		—		7,510		—
Standby letters of credit		397		—		—		397
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	3,847

N/A = not applicable

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			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	290,432	$	290,432	$	—	$	—
Investment securities held-to-maturity:
Mortgage-backed securities - Agency		6,903		—		7,056		—
State and political subdivisions		677,160		—		720,647		—
FHLB/Federal Reserve Bank stock		119,686		N/A		N/A		N/A
Loans, net:
Commercial		2,698,023		—		—		2,707,385
Commercial real estate		4,333,116		—		—		4,347,949
Residential real estate		2,165,290		—		—		2,210,951
Consumer credit		1,871,311		—		—		1,998,194
Accrued interest receivable		87,102		16		24,001		63,085
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,680,807	$	3,680,807	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,290,521		7,290,521		—		—
Time deposits		1,634,436		—		1,620,685		—
Federal funds purchased and interbank borrowings		335,033		335,033		—		—
Securities sold under agreements to repurchase		384,810		359,810		25,133		—
FHLB advances		1,609,579		—		—		1,607,189
Other borrowings		248,782		—		250,443		—
Accrued interest payable		7,029		—		7,029		—
Standby letters of credit		351		—		—		351
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	2,449

N/A = not applicable

The methods utilized to estimate the fair value of financial instruments at December 31, 2017 did not necessarily represent an exit price. In accordance with our adoption of ASU 2016-01 in 2018, the methods utilized to measure the fair value of financial instruments at June 30, 2018 represent an approximation of exit price, however, an actual exit price may differ.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion is an analysis of our results of operations for the three and six months ended June 30, 2018 and 2017, and financial condition as of June 30, 2018, compared to June 30, 2017 and December 31, 2017. This discussion and analysis should be read in conjunction with the consolidated financial statements and related notes. This discussion contains forward-looking statements concerning our business that are based on estimates and involves certain risks and uncertainties. Therefore, future results could differ significantly from our current expectations and the related forward-looking statements.

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FINANCIAL HIGHLIGHTS

The following table sets forth certain financial highlights of Old National:

	Three Months Ended									Six Months Ended
(dollars and shares in thousands,	June 30,			March 31,			June 30,			June 30,
except per share data)	2018			2018			2017			2018			2017
Income Statement:
Net interest income	$	131,963		$	128,572		$	104,333		$	260,535		$	210,134
Taxable equivalent adjustment (1)		2,825			2,767			5,643			5,592			11,331
Provision for loan losses		2,446			380			1,355			2,826			1,702
Noninterest income (2)		49,289			41,905			49,271			91,194			92,191
Noninterest expense (2)		130,460			117,157			102,811			247,617			204,702
Net income		44,001			47,983			38,854			91,984			74,846
Common Share Data:
Weighted average diluted shares		152,568			152,370			135,697			152,483			135,641
Net income (diluted)	$	0.29		$	0.31		$	0.28		$	0.60		$	0.55
Cash dividends		0.13			0.13			0.13			0.26			0.26
Common dividend payout ratio (3)		45	%		41	%		46	%		43	%		47	%
Book value	$	14.44		$	14.32		$	13.92		$	14.44		$	13.92
Stock price		18.60			16.90			17.25			18.60			17.25
Tangible common book value (4)		8.70			8.55			8.85			8.70			8.85
Performance Ratios:
Return on average assets		1.01	%		1.10	%		1.05	%		1.06	%		1.01	%
Return on average common equity		8.06			8.86			8.33			8.46			8.11
Return on tangible common equity (4)		14.09			15.62			13.56			14.71			13.11
Return on average tangible common equity (4)		14.28			15.80			13.82			15.04			13.60
Net interest margin (4)		3.55			3.45			3.42			3.50			3.46
Efficiency ratio (2)(4)		69.58			65.84			64.05			67.76			64.35
Net charge-offs (recoveries) to average loans		(0.03	)		0.01			0.01			(0.01	)		0.01
Allowance for loan losses to ending loans		0.48			0.45			0.55			0.48			0.55
Non-performing loans to ending loans		1.38			1.28			1.51			1.38			1.51
Balance Sheet:
Total loans	$	11,295,629		$	11,238,682		$	9,232,040		$	11,295,629		$	9,232,040
Total assets		17,482,990			17,496,287			14,957,281			17,482,990			14,957,281
Total deposits		12,596,376			12,788,600			10,683,714			12,596,376			10,683,714
Total borrowed funds		2,530,104			2,371,292			2,259,918			2,530,104			2,259,918
Total shareholders’ equity		2,200,215			2,179,118			1,886,594			2,200,215			1,886,594
Nonfinancial Data:
Full-time equivalent employees		2,683			2,721			2,652			2,683			2,652
Banking centers		183			191			188			183			188

(1) Calculated using the federal statutory tax rate in effect of 21% for the three and six months ended June 30, 2018 and three months ended March 31, 2018 and 35% for the three and six months ended June 30, 2017.

(2) For the three months ended March 31, 2018, amounts reflect the reclassification of $0.5 million of agency costs from data processing expense to investment product fees revenue as a result of the implementation of the revenue recognition accounting standard.

(3) Cash dividends per share divided by net income per share (basic).

(4) Represents a non-GAAP financial measure. Refer to the “Non-GAAP Financial Measures” section for reconciliations to GAAP financial measures.

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NON-GAAP FINANCIAL MEASURES

Non-GAAP financial measures exclude certain items that are included in the financial results presented in accordance with GAAP. Management believes these non-GAAP financial measures enhance an investor’s understanding of the financial results of Old National by providing a meaningful basis for period-to-period comparisons, assisting in operating results analysis, and predicting future performance.

The following table presents GAAP to non-GAAP reconciliations.

(dollars and shares in thousands,	Three Months Ended June 30,						Six Months Ended June 30,
except per share data)	2018			2017			2018			2017
Tangible common book value:
Shareholders’ equity (GAAP)	$	2,200,215		$	1,886,594		$	2,200,215		$	1,886,594
Deduct: Goodwill		828,804			655,018			828,804			655,018
Intangible assets		45,417			31,876			45,417			31,876
Tangible shareholders’ equity (non-GAAP)	$	1,325,994		$	1,199,700		$	1,325,994		$	1,199,700
Period end common shares		152,351			135,516			152,351			135,516
Tangible common book value		8.70			8.85			8.70			8.85
Return on tangible common equity:
Net income (GAAP)	$	44,001		$	38,854		$	91,984		$	74,846
Add: Intangible amortization (net of tax)		2,699			1,807			5,550			3,770
Tangible net income (non-GAAP)	$	46,700		$	40,661		$	97,534		$	78,616
Tangible shareholders’ equity (non-GAAP) (see above)	$	1,325,994		$	1,199,700		$	1,325,994		$	1,199,700
Return on tangible common equity		14.09	%		13.56	%		14.71	%		13.11	%
Return on average tangible common equity:
Tangible net income (non-GAAP) (see above)	$	46,700		$	40,661		$	97,534		$	78,616
Average shareholders’ equity (GAAP)	$	2,183,604		$	1,865,318		$	2,174,878		$	1,845,598
Deduct: Average goodwill		828,804			655,018			828,474			655,018
Average intangible assets		47,052			33,189			49,061			34,635
Average tangible shareholders’ equity (non-GAAP)	$	1,307,748		$	1,177,111		$	1,297,343		$	1,155,945
Return on average tangible common equity		14.28	%		13.82	%		15.04	%		13.60	%
Net interest margin:
Net interest income (GAAP)	$	131,963		$	104,333		$	260,535		$	210,134
Taxable equivalent adjustment		2,825			5,643			5,592			11,331
Net interest income - taxable equivalent basis (non-GAAP)	$	134,788		$	109,976		$	266,127		$	221,465
Average earning assets	$	15,176,711		$	12,844,504		$	15,191,220		$	12,793,962
Net interest margin		3.55	%		3.42	%		3.50	%		3.46	%
Efficiency ratio:
Noninterest expense (GAAP)	$	130,460		$	102,811		$	247,617		$	204,702
Deduct: Intangible amortization expense		3,416			2,781			7,025			5,801
Adjusted noninterest expense (non-GAAP)	$	127,044		$	100,030		$	240,592		$	198,901
Net interest income - taxable equivalent basis (non-GAAP) (see above)	$	134,788		$	109,976		$	266,127		$	221,465
Noninterest income		49,289			49,271			91,194			92,191
Deduct: Net securities gains (losses)		1,494			3,075			2,282			4,575
Adjusted total revenue (non-GAAP)	$	182,583		$	156,172		$	355,039		$	309,081
Efficiency ratio		69.58	%		64.05	%		67.76	%		64.35	%

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Non-GAAP financial measures have inherent limitations, are not required to be uniformly applied, and are not audited. Although these non-GAAP financial measures are frequently used by investors to evaluate a company, they have limitations as analytical tools, and should not be considered in isolation, or as a substitute for analyses of results as reported under GAAP. These non-GAAP measures are not necessarily comparable to similar measures that may be represented by other companies.

EXECUTIVE SUMMARY

During the second quarter of 2018, net income was $44.0 million, or $0.29 per diluted share. Net income was $38.9 million, or $0.28 per diluted share, for the second quarter of 2017.

Management’s strategy is basic banking – loan growth, fee income, and expense management. Simply put, our low-cost core deposits fuel our commercial loan growth. That loan growth is filtered through our staunch credit process. Underpinning all that we do is management’s focus on controlling costs. Management is committed to driving and sustaining positive operating leverage.

We continue to benefit from re-mixing our earning assets by replacing lower yielding assets, like indirect auto loans, with higher yielding assets, like commercial loans.

Loan Growth: Our loan balances, excluding loans held for sale, grew $56.9 million to $11.296 billion at June 30, 2018 compared to $11.239 billion at March 31, 2018. Commercial and industrial loans continue to be the driver of our loan growth. This is attributable to our focus on our growth markets as well as our earning asset re-mix strategy. Commercial loan growth was partially offset by the sale of the student loan portfolio totaling $64.9 million during the second quarter of 2018.

Net Interest Income: For the six months ended June 30, 2018, compared to the six months ended June 30, 2017 our net interest income increased primarily due to volume from the Anchor (MN) acquisition in November 2017 and increased loan yields. This was further augmented by our low cost of deposits over the same period. The second quarter of 2018 compared to the first quarter of 2018 increased similarly with increased commercial and industrial loan volume outpacing a slight increase in deposit and borrowing costs.

Fee Income: Fee income decreased slightly to $91.2 million from $92.2 million for the six months ended June 30, 2018 when compared to the six months ended June 30, 2017 due to lower capital markets income and lower securities gains, partially offset by the volume increases due to the acquisition of Anchor (MN) in November 2017. For the second quarter of 2018 compared to the first quarter of 2018, our fee income increased to $49.3 million from $41.9 million, substantially due to a few larger items in other income and seasonality in wealth management fee income and mortgage banking revenue.

Expenses: Noninterest expenses increased $42.9 million, or 21%, for the six months ended June 30, 2018 when compared to the six months ended June 30, 2017. The increase was primarily attributable to higher expenses associated with the Anchor (MN) partnership. Also contributing to the increase in noninterest expense was amortization of tax credit investments totaling $12.6 million for the six months ended June 30, 2018 reflecting the completion of investment tax credit projects during 2018. As previously disclosed, we have consolidated 157 branches since the beginning of 2011 and have entered into a branch purchase and assumption agreement for the sale of ten Old National branches in Wisconsin to Marine Credit Union of La Crosse, Wisconsin. The branch sale includes the assumption of approximately $261 million in deposits and no loans. Subject to regulatory approval and other terms and conditions, the sale is expected to close in the fourth quarter of 2018. For the remainder of 2018, we are evaluating the Old National franchise for additional consolidation opportunities.

We remain an active looker and a selective, disciplined buyer in demographically accretive markets when it comes to future partnerships. We believe our ability to bring an enhanced product set and a larger balance sheet with better capital allows a potential partner to better serve their clients. As previously disclosed, we do not feel compelled to enter into a partnership.

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RESULTS OF OPERATIONS

The following table sets forth certain income statement information of Old National for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended									Six Months Ended
	June 30,						%			June 30,						%
(dollars in thousands)	2018			2017			Change			2018			2017			Change
Income Statement Summary:
Net interest income	$	131,963		$	104,333			26.5	%	$	260,535		$	210,134			24.0	%
Provision for loan losses		2,446			1,355			80.5			2,826			1,702			66.0
Noninterest income		49,289			49,271			0.0			91,194			92,191			(1.1	)
Noninterest expense		130,460			102,811			26.9			247,617			204,702			21.0
Other Data:
Return on average common equity		8.06	%		8.33	%					8.46	%		8.11	%
Return on tangible common equity (1)		14.09			13.56						14.71			13.11
Return on average tangible common equity (1)		14.28			13.82						15.04			13.60
Efficiency ratio (1)		69.58			64.05						67.76			64.35
Tier 1 leverage ratio		8.30			8.65						8.30			8.65
Net charge-offs (recoveries) to average loans		(0.03	)		0.01						(0.01	)		0.01

(1) Represents a non-GAAP financial measure. Refer to “Non-GAAP Financial Measures” section for reconciliations to GAAP financial measures.

Net Interest Income

Net interest income is the most significant component of our earnings, comprising 74% of revenues for the six months ended June 30, 2018. Net interest income and margin are influenced by many factors, primarily the volume and mix of earning assets, funding sources, and interest rate fluctuations. Other factors include the level of accretion income on purchased loans, prepayment risk on mortgage and investment-related assets, and the composition and maturity of earning assets and interest-bearing liabilities.

The Federal Reserve increased the discount rate 25 basis points at both of their March and June 2018 meetings. The rate increases were driven by the Federal Reserve’s inflation and wage pressure expectations in conjunction with a moderately expanding economy. The Treasury yield curve flattened as short-term rates rose while long-term interest rates remained flat. Collectively, these factors marginally improved the outlook for our net interest income and margin.

Loans typically generate more interest income than investment securities with similar maturities. Funding from client deposits generally costs less than wholesale funding sources. Factors such as general economic activity, Federal Reserve monetary policy, and price volatility of competing alternative investments, can also exert significant influence on our ability to optimize the mix of assets and funding and the net interest income and margin.

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Net interest income is the excess of interest received from earning assets over interest paid on interest-bearing liabilities. For analytical purposes, net interest income is also presented in the table that follows, adjusted to a taxable equivalent basis to reflect what our tax-exempt assets would need to yield in order to achieve the same after-tax yield as a taxable asset. We used the federal statutory tax rate in effect of 21% for the three and six months ended June 30, 2018, compared to 35% for the three and six months ended June 30, 2017. This analysis portrays the income tax benefits associated in tax-exempt assets and helps to facilitate a comparison between taxable and tax-exempt assets. Management believes that it is a standard practice in the banking industry to present net interest margin and net interest income on a fully taxable equivalent basis. Therefore, management believes these measures provide useful information for both management and investors by allowing them to make peer comparisons.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(dollars in thousands)	2018			2017			2018			2017
Net interest income	$	131,963		$	104,333		$	260,535		$	210,134
Conversion to fully taxable equivalent		2,825			5,643			5,592			11,331
Net interest income - taxable equivalent basis	$	134,788		$	109,976		$	266,127		$	221,465
Average earning assets	$	15,176,711		$	12,844,504		$	15,191,220		$	12,793,962
Net interest margin		3.48	%		3.25	%		3.43	%		3.28	%
Net interest margin - taxable equivalent basis		3.55	%		3.42	%		3.50	%		3.46	%

The increase in net interest income for the three and six months ended June 30, 2018 when compared to the same periods in 2017 was primarily due to higher average earning assets of $2.332 billion in the three months ended June 30, 2018 when compared to the three months ended June 30, 2017 and $2.397 billion in the six months ended June 30, 2018 when compared to the six months ended June 30, 2017. Partially offsetting the higher average earning assets were higher average interest-bearing liabilities of $1.612 billion in the three months ended June 30, 2018 when compared to the three months ended June 30, 2017 and $1.642 billion in the six months ended June 30, 2018 when compared to the six months ended June 30, 2017. Interest income in the three and six months ended June 30, 2018 included lower fully taxable equivalent interest income resulting from the income tax rate decrease to 21% in 2018. Net interest income for the three and six months ended June 30, 2018 and 2017 included accretion income (interest income in excess of contractual interest income) associated with acquired loans. Accretion income totaled $11.5 million in the three months ended June 30, 2018 and $22.5 million in the six months June 30, 2018, compared to $9.7 million in the three months ended June 30, 2017 and $22.3 million in the six months ended June 30, 2017. We expect accretion income on our PCI loans to decrease over time, but this may be offset by future acquisitions.

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The following tables present the average balance sheet for each major asset and liability category, its related interest income and yield, or its expense and rate for the three and six months ended June 30, 2018 and 2017.

	Three Months Ended								Three Months Ended
(dollars in thousands)	June 30, 2018								June 30, 2017
	Average			Income (1)/		Yield/			Average			Income (1)/		Yield/
	Balance			Expense		Rate			Balance			Expense		Rate
Earning Assets
Money market and other interest-earning investments	$	51,724		$	117		0.91	%	$	27,222		$	55		0.80	%
Investment securities:
Treasury and government sponsored agencies		648,778			3,387		2.09	%		575,940			2,798		1.94	%
Mortgage-backed securities		1,588,140			8,904		2.24	%		1,485,582			7,590		2.04	%
States and political subdivisions		1,118,395			10,591		3.79	%		1,122,769			13,375		4.76	%
Other securities		507,646			3,909		3.08	%		446,521			2,866		2.57	%
Total investment securities		3,862,959			26,791		2.77	%		3,630,812			26,629		2.93	%
Loans: (2)
Commercial		2,873,781			32,527		4.48	%		1,938,751			19,352		3.95	%
Commercial real estate		4,449,839			57,251		5.09	%		3,240,318			39,830		4.86	%
Residential real estate loans		2,177,587			22,208		4.08	%		2,127,867			21,268		4.00	%
Consumer		1,760,821			17,667		4.02	%		1,879,534			16,718		3.57	%
Total loans		11,262,028			129,653		4.57	%		9,186,470			97,168		4.21	%
Total earning assets		15,176,711		$	156,561		4.11	%		12,844,504		$	123,852		3.84	%
Less: Allowance for loan losses		(51,493	)							(50,937	)
Non-earning Assets
Cash and due from banks		205,617								200,209
Other assets		2,086,822								1,860,676
Total assets	$	17,417,657							$	14,854,452
Interest-Bearing Liabilities
Checking and NOW accounts	$	3,097,635		$	969		0.13	%	$	2,643,123		$	511		0.08	%
Savings accounts		3,036,936			1,777		0.23	%		2,944,314			1,209		0.16	%
Money market accounts		1,103,177			702		0.26	%		684,911			146		0.09	%
Time deposits		1,810,328			5,691		1.26	%		1,441,998			2,858		0.80	%
Total interest-bearing deposits		9,048,076			9,139		0.41	%		7,714,346			4,724		0.25	%
Federal funds purchased and interbank borrowings		140,471			647		1.85	%		166,690			422		1.02	%
Securities sold under agreements to repurchase		332,599			434		0.52	%		329,182			334		0.41	%
FHLB advances		1,713,832			8,824		2.07	%		1,443,453			6,017		1.67	%
Other borrowings		249,291			2,729		4.38	%		219,085			2,379		4.34	%
Total borrowed funds		2,436,193			12,634		2.08	%		2,158,410			9,152		1.70	%
Total interest-bearing liabilities	$	11,484,269		$	21,773		0.76	%	$	9,872,756		$	13,876		0.56	%
Noninterest-Bearing Liabilities
Demand deposits	$	3,602,732							$	2,988,147
Other liabilities		147,052								128,231
Shareholders’ equity		2,183,604								1,865,318
Total liabilities and shareholders’ equity	$	17,417,657							$	14,854,452
Net interest rate spread							3.35	%							3.28	%
Net interest margin (3)							3.55	%							3.42	%
Taxable equivalent adjustment				$	2,825							$	5,643

(1) Interest income is reflected on a fully taxable equivalent basis.

(2) Includes loans held for sale.

(3) Net interest margin is defined as net interest income on a tax equivalent basis as a percentage of average earning assets.

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	Six Months Ended								Six Months Ended
(dollars in thousands)	June 30, 2018								June 30, 2017
	Average			Income (1)/		Yield/			Average			Income (1)/		Yield/
	Balance			Expense		Rate			Balance			Expense		Rate
Earning Assets
Money market and other interest-earning investments	$	59,089		$	207		0.71	%	$	27,352		$	86		0.63	%
Investment securities:
Treasury and government sponsored agencies		655,897			6,811		2.08	%		558,279			5,579		2.00	%
Mortgage-backed securities		1,610,252			18,424		2.29	%		1,498,414			15,408		2.06	%
States and political subdivisions		1,161,386			21,069		3.63	%		1,128,042			26,981		4.78	%
Other securities		483,685			7,578		3.13	%		445,881			5,694		2.55	%
Total investment securities		3,911,220			53,882		2.76	%		3,630,616			53,662		2.96	%
Loans: (2)
Commercial		2,817,050			60,733		4.29	%		1,913,480			38,440		4.00	%
Commercial real estate		4,422,075			113,037		5.08	%		3,205,853			80,154		4.97	%
Residential real estate loans		2,177,003			43,680		4.01	%		2,134,681			42,522		3.98	%
Consumer		1,804,783			35,495		3.97	%		1,881,980			33,144		3.55	%
Total loans		11,220,911			252,945		4.50	%		9,135,994			194,260		4.25	%
Total earning assets		15,191,220		$	307,034		4.04	%		12,793,962		$	248,008		3.87	%
Less: Allowance for loan losses		(51,225	)							(50,824	)
Non-earning Assets
Cash and due from banks		202,392								197,927
Other assets		2,088,299								1,869,215
Total assets	$	17,430,686							$	14,810,280
Interest-Bearing Liabilities
Checking and NOW accounts	$	3,082,619		$	1,788		0.12	%	$	2,614,627		$	967		0.07	%
Savings accounts		3,044,748			3,120		0.21	%		2,957,020			2,367		0.16	%
Money market accounts		1,130,939			1,248		0.22	%		695,890			295		0.09	%
Time deposits		1,773,859			10,238		1.16	%		1,441,218			5,478		0.77	%
Total interest-bearing deposits		9,032,165			16,394		0.37	%		7,708,755			9,107		0.24	%
Federal funds purchased and interbank borrowings		200,578			1,664		1.67	%		177,818			778		0.88	%
Securities sold under agreements to repurchase		337,612			793		0.47	%		330,285			590		0.36	%
FHLB advances		1,694,871			16,604		1.98	%		1,436,752			11,329		1.59	%
Other borrowings		249,062			5,452		4.38	%		219,025			4,739		4.33	%
Total borrowed funds		2,482,123			24,513		1.99	%		2,163,880			17,436		1.62	%
Total interest-bearing liabilities	$	11,514,288		$	40,907		0.72	%	$	9,872,635		$	26,543		0.54	%
Noninterest-Bearing Liabilities
Demand deposits	$	3,583,027							$	2,952,797
Other liabilities		158,493								139,250
Shareholders’ equity		2,174,878								1,845,598
Total liabilities and shareholders’ equity	$	17,430,686							$	14,810,280
Net interest rate spread							3.32	%							3.33	%
Net interest margin (3)							3.50	%							3.46	%
Taxable equivalent adjustment				$	5,592							$	11,331

(1) Interest income is reflected on a fully taxable equivalent basis.

(2) Includes loans held for sale.

(3) Net interest margin is defined as net interest income on a tax equivalent basis as a percentage of average earning assets.

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The following table presents the dollar amount of changes in taxable equivalent net interest income attributable to changes in the average balances of assets and liabilities and the yields earned or rates paid for the three and six months ended June 30, 2018 and 2017.

	From Three Months Ended								From Six Months Ended
	June 30, 2017 to Three								June 30, 2017 to Six
	Months Ended June 30, 2018								Months Ended June 30, 2018
	Total		Attributed to						Total		Attributed to
(dollars in thousands)	Change		Volume			Rate			Change		Volume		Rate
Interest Income
Money market and other interest-earning investments	$	62	$	51		$	11		$	121	$	105	$	16
Investment securities (1)		162		1,657			(1,495	)		220		4,006		(3,786	)
Loans (1)		32,485		22,944			9,541			58,685		45,729		12,956
Total interest income		32,709		24,652			8,057			59,026		49,840		9,186
Interest Expense
Checking and NOW deposits		458		115			343			821		221		600
Savings deposits		568		45			523			753		77		676
Money market deposits		556		177			379			953		331		622
Time deposits		2,833		942			1,891			4,760		1,585		3,175
Federal funds purchased and interbank borrowings		225		(94	)		319			886		141		745
Securities sold under agreements to repurchase		100		4			96			203		14		189
FHLB advances		2,807		1,259			1,548			5,275		2,278		2,997
Other borrowings		350		329			21			713		654		59
Total interest expense		7,897		2,777			5,120			14,364		5,301		9,063
Net interest income	$	24,812	$	21,875		$	2,937		$	44,662	$	44,539	$	123

The variance not solely due to rate or volume is allocated equally between the rate and volume variances.

(1) Interest on investment securities and loans includes the effect of taxable equivalent adjustments of $1.1 million and $1.8 million, respectively, during the three months ended June 30, 2018; and $2.1 million and $3.5 million, respectively, during the six months ended June 30, 2018; using the federal statutory rate in effect of 21%.

The increase in the net interest margin on a fully taxable equivalent basis for the three and six months ended June 30, 2018 when compared to the same periods in 2017 was primarily due to higher yield on interest earning assets and a change in the mix of average interest earning assets and interest-bearing liabilities, partially offset by higher costs of interest-bearing liabilities. The yield on interest earning assets increased 27 basis points and the cost of interest-bearing liabilities increased 20 basis points in the quarterly year-over-year comparison. The yield on interest earning assets is calculated by dividing annualized taxable equivalent net interest income by average interest earning assets while the cost of interest-bearing liabilities is calculated by dividing annualized interest expense by average interest-bearing liabilities. Accretion income represented 30 basis points of the net interest margin for the three months ended June 30, 2018 and 2017. The increase in the net interest margin for the six months ended June 30, 2018 was also partially offset by lower yields associated with accretion income on acquired loans. Accretion income represented 30 basis points of the net interest margin for the six months ended June 30, 2018, compared to 35 basis points of the net interest margin for the six months ended June 30, 2017. The yield on interest earning assets increased 17 basis points and the cost of interest-bearing liabilities increased 18 basis points in the six months ended June 30, 2018 when compared to the six months ended June 30, 2017.

Average earning assets were $15.177 billion for the three months ended June 30, 2018, compared to $12.845 billion for the three months ended June 30, 2017, an increase of $2.332 billion, or 18%. Average earning assets were $15.191 billion for the six months ended June 30, 2018, compared to $12.794 billion for the six months ended June 30, 2017, an increase of $2.397 billion, or 19%. The increases in average earning assets were primarily due to our acquisition of Anchor (MN) in November 2017. The loan portfolio including loans held for sale, which generally has an average yield higher than the investment portfolio, was approximately 74% of average interest earning assets for the six months ended June 30, 2018, compared to 71% for the six months ended June 30, 2017.

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Average loans including loans held for sale increased $2.076 billion for the three months ended June 30, 2018 and $2.085 billion for the six months ended June 30, 2018 when compared to the same periods in 2017 reflecting organic loan growth, as well as an increase attributable to loans acquired from Anchor (MN) in November 2017. Loans including loans held for sale attributable to the Anchor (MN) acquisition totaled $1.595 billion as of the closing date of the acquisition, which was November 1, 2017.

Average investments increased $232.1 million for the three months ended June 30, 2018 and $280.6 million for the six months ended June 30, 2018 when compared to the same periods in 2017 reflecting the Anchor (MN) acquisition.

Average noninterest-bearing deposits increased $614.6 million for the three months ended June 30, 2018 and $630.2 million for the six months ended June 30, 2018 when compared to the same periods in 2017. Average interest-bearing deposits increased $1.334 billion for the three months ended June 30, 2018 and $1.323 billion for the six months ended June 30, 2018 when compared to the same periods in 2017. The increases in average deposits also reflected the Anchor (MN) acquisition.

Average borrowed funds increased $277.8 million for the three months ended June 30, 2018 and $318.2 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to increased funding needed as a result of growth in our loan portfolio that outpaced deposit growth.

Provision for Loan Losses

The provision for loan losses was $2.4 million for the three months ended June 30, 2018, compared to $1.4 million for the three months ended June 30, 2017. Net recoveries totaled $0.8 million during the three months ended June 30, 2018, compared to net charge-offs of $0.2 million during the three months ended June 30, 2017. The provision for loan losses was $2.8 million for the six months ended June 30, 2018, compared to $1.7 million for the six months ended June 30, 2017. Net recoveries totaled $0.5 million during the six months ended June 30, 2018, compared to net charge-offs of $0.5 million during the six months ended June 30, 2017. The higher provision for loan losses is the result of loan growth and increases in the allowance for loan losses related to loans individually evaluated for impairment, partially offset by lower incurred loss rate expectations. Continued loan growth in future periods, a decline in our current level of recoveries, or an increase in charge-offs could result in an increase in provision expense.

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Noninterest Income

We generate revenues in the form of noninterest income through client fees, sales commissions, and other gains and losses from our core banking franchise and other related businesses, such as wealth management, investment consulting, and investment products. The following table details the components in noninterest income for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended							Six Months Ended
	June 30,				%			June 30,				%
(dollars in thousands)	2018		2017		Change			2018		2017		Change
Wealth management fees	$	9,746	$	9,679		0.7	%	$	18,772	$	18,678		0.5	%
Service charges on deposit accounts		10,765		10,040		7.2			21,524		19,883		8.3
Debit card and ATM fees		5,080		4,436		14.5			9,945		8,672		14.7
Mortgage banking revenue		5,189		5,186		0.1			9,381		9,412		(0.3	)
Investment product fees		5,066		5,004		1.2			10,097		9,993		1.0
Capital markets income		896		2,747		(67.4	)		1,394		3,778		(63.1	)
Company-owned life insurance		2,430		2,117		14.8			5,035		4,266		18.0
Net securities gains (losses)		1,494		3,075		(51.4	)		2,282		4,575		(50.1	)
Recognition of deferred gain on sale leaseback transactions		394		538		(26.8	)		789		1,075		(26.6	)
Other income		8,229		6,449		27.6			11,975		11,859		1.0
Total noninterest income	$	49,289	$	49,271		0.0	%	$	91,194	$	92,191		(1.1	)%

The increase in noninterest income for the three months ended June 30, 2018 when compared to the three months ended June 30, 2017 was primarily due to higher noninterest income attributable to the Anchor (MN) acquisition. These increases were substantially offset by 2017 recoveries on loans originated by AnchorBank (WI) that had been fully charged-off prior to the acquisition totaling $1.6 million, lower capital markets income, and lower net securities gains.

The decrease in noninterest income for the six months ended June 30, 2018 when compared to the six months ended June 30, 2017 was primarily due to 2017 recoveries on loans originated by AnchorBank (WI) that had been fully charged-off prior to the acquisition totaling $3.1 million, lower net securities gains, and lower capital markets income. These decreases were substantially offset by higher noninterest income attributable to the Anchor (MN) acquisition.

Service charges and overdraft fees increased $0.7 million for the three months ended June 30, 2018 and $1.6 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to higher service charges and overdraft fees attributable to the Anchor (MN) acquisition.

Debit card and ATM fees increased $0.6 million for the three months ended June 30, 2018 and $1.3 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to higher interchange income attributable to the Anchor (MN) acquisition.

Capital markets income is comprised of customer interest rate swap fees, foreign currency exchange fees, and net gains (losses) on foreign currency adjustments. Capital markets income decreased $1.9 million for the three months ended June 30, 2018 and $2.4 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to lower customer interest rate swap fees.

Net securities gains decreased $1.6 million for the three months ended June 30, 2018 and $2.3 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to lower realized gains on sales of available-for-sale securities in 2018.

Other income increased $1.8 million for the three months ended June 30, 2018 when compared to the three months ended June 30, 2017 primarily due to a $2.2 million gain on the sale of our student loan portfolio in the second quarter of 2018 and higher other income attributable to the Anchor (MN) acquisition. These increases were partially offset by lower other income resulting from second quarter 2017 recoveries on loans originated by AnchorBank (WI) that had been fully charged-off prior to the acquisition totaling $1.6 million and lower gains on sales of fixed assets totaling $1.2 million.

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Noninterest Expense

The following table details the components in noninterest expense for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended							Six Months Ended
	June 30,				%			June 30,				%
(dollars in thousands)	2018		2017		Change			2018		2017		Change
Salaries and employee benefits	$	66,592	$	57,606		15.6	%	$	130,771	$	114,170		14.5	%
Occupancy		12,873		10,539		22.1			26,153		22,673		15.3
Equipment		3,728		3,350		11.3			7,293		6,577		10.9
Marketing		3,962		3,673		7.9			7,659		6,723		13.9
Data processing		9,724		8,226		18.2			18,124		15,834		14.5
Communication		2,772		2,288		21.2			5,836		4,702		24.1
Professional fees		2,923		4,077		(28.3	)		5,653		6,728		(16.0	)
Loan expenses		1,843		1,693		8.9			3,587		3,324		7.9
Supplies		903		594		52.0			1,625		1,173		38.5
FDIC assessment		3,161		2,130		48.4			5,806		4,617		25.8
Other real estate owned expense		196		1,009		(80.6	)		545		2,124		(74.3	)
Amortization of intangibles		3,416		2,781		22.8			7,025		5,801		21.1
Amortization of tax credit investments		11,858		—		N/M			12,574		—		N/M
Other expense		6,509		4,845		34.3			14,966		10,256		45.9
Total noninterest expense	$	130,460	$	102,811		26.9	%	$	247,617	$	204,702		21.0	%

N/M = Not meaningful

Noninterest expense increased $27.6 million for the three months ended June 30, 2018 when compared to the three months ended June 30, 2017 primarily due to amortization of tax credit investments totaling $11.9 million for the three months ended June 30, 2018 reflecting the completion of investment tax credit projects during 2018. Also contributing to the increase in noninterest expense were $9.5 million of operating expenses and $2.4 million of acquisition and integration costs associated with Anchor (MN).

Noninterest expense increased $42.9 million for the six months ended June 30, 2018 when compared to the six months ended June 30, 2017 primarily due to $21.0 million of operating expenses and $4.7 million of acquisition and integration costs associated with Anchor (MN). Also contributing to the increase in noninterest expense was amortization of tax credit investments totaling $12.6 million for the six months ended June 30, 2018 reflecting the completion of investment tax credit projects during 2018.

Salaries and benefits is the largest component of noninterest expense. Salaries and benefits increased $9.0 million for the three months ended June 30, 2018 and $16.6 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to higher salaries and benefits associated with the Anchor (MN) acquisition and higher profit sharing expenses. During the second quarter of 2018, Old National increased its 401(k) match to 75% of employee compensation deferral contributions of the first 4% of compensation, and 50% of the next 4% of compensation. The change was retroactive for all of 2018. For 2017, we matched 50% of employee compensation deferral contributions, up to 6% of compensation.

Occupancy expenses increased $2.3 million for the three months ended June 30, 2018 and $3.5 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to higher occupancy expenses attributable to the Anchor (MN) acquisition. Also contributing to the increases in occupancy expenses were higher real estate taxes of $0.7 million in the three months ended June 30, 2018 and $0.9 million for the six months ended June 30, 2018 when compared to the same periods in 2017.

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Data processing expenses increased $1.5 million for the three months ended June 30, 2018 and $2.3 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to integration expenses associated with the Anchor (MN) acquisition.

Communication expenses increased $0.5 million for the three months ended June 30, 2018 and $1.1 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to integration expenses associated with the Anchor (MN) acquisition.

Professional fees decreased $1.2 million for the three months ended June 30, 2018 and $1.1 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to $1.0 million of pre-tax expenses recorded in the second quarter of 2017 related to an initiative to improve how we serve our clients and increase efficiency.

FDIC assessment expenses increased $1.0 million for the three months ended June 30, 2018 and $1.2 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to the addition of Anchor (MN).

Amortization of intangibles increased $0.6 million for the three months ended June 30, 2018 and $1.2 million for the six months ended June 30, 2018 when compared to the same periods in 2017 primarily due to amortization of core deposit intangibles related to the Anchor (MN) acquisition.

Amortization of tax credit investments was $11.9 million for the three months ended June 30, 2018 and $12.6 million for the six months ended June 30, 2018 reflecting the completion of investment tax credit projects during 2018. There was no amortization related to tax credit investments recorded in noninterest expense for the three or six months ended June 30, 2017. We anticipate amortization of tax credit investments including discrete tax items of approximately $15 million to $18 million in the second half of 2018. The recognition of tax credit amortization expense is contingent upon the successful rehabilitation of a historic building or completion of a solar project within the reporting period. Many factors including weather, labor availability, building regulations, inspections, and other unexpected construction delays related to a rehabilitation project can cause a project to exceed its estimated completion date. See Note 13 to the consolidated financial statements for additional information on our tax credit investments.

Other expense increased $4.7 million for the six months ended June 30, 2018 when compared to the six months ended June 30, 2017 primarily due to higher other expense associated with the Anchor (MN) acquisition and higher impairments of long-lived assets totaling $2.1 million in the six months ended June 30, 2018 related to branch consolidations.

Provision for Income Taxes

We record a provision for income taxes currently payable and for income taxes payable or benefits to be received in the future, which arise due to timing differences in the recognition of certain items for financial statement and income tax purposes. The major difference between the effective tax rate applied to our financial statement income and the federal statutory tax rate is caused by a tax benefit from our tax credit investments and interest on tax-exempt securities and loans. The provision for income taxes, as a percentage of pre-tax income, was 9.0% for the three months ended June 30, 2018, compared to 21.4% for the three months ended June 30, 2017. The provision for income taxes, as a percentage of pre-tax income, was 9.2% for the six months ended June 30, 2018, compared to 22.0% for the six months ended June 30, 2017. In accordance with ASC 740-270, Accounting for Interim Reporting, the provision for income taxes was recorded at June 30, 2018 based on the current estimate of the effective annual rate. The lower effective tax rate during the three and six months ended June 30, 2018 when compared to the same periods in 2017 was primarily the result of the lowering of the federal corporate tax rate to 21% in 2018 and an increase in federal tax credits available. See Note 20 to the consolidated financial statements for additional information.

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FINANCIAL CONDITION

Overview

At June 30, 2018, our assets were $17.483 billion, a $2.526 billion increase compared to assets of $14.957 billion at June 30, 2017, and a $35.3 million decrease compared to assets of $17.518 billion at December 31, 2017. The increase from June 30, 2017 to June 30, 2018 was primarily due to the acquisition of Anchor (MN) in November 2017, which had $2.222 billion in assets as of the closing date of the acquisition. Organic growth in our commercial loan portfolios also contributed to the June 30, 2017 to June 30, 2018 increase in assets.

Earning Assets

Our earning assets are comprised of investment securities, portfolio loans, loans held for sale, money market investments, interest earning accounts with the Federal Reserve, and trading securities. Earning assets were $15.225 billion at June 30, 2018, a $2.309 billion increase compared to earning assets of $12.916 billion at June 30, 2017, and a $16.0 million increase compared to earning assets of $15.209 billion at December 31, 2017.

Investment Securities

We classify the majority of our investment securities as available-for-sale to give management the flexibility to sell the securities prior to maturity if needed, based on fluctuating interest rates or changes in our funding requirements. However, we also have $73.6 million of U.S. government-sponsored entities and agencies securities, $139.6 million of fixed-rate mortgage-backed securities, and $312.6 million of state and political subdivision securities in our held-to-maturity investment portfolio at June 30, 2018.

Trading securities, which consist of mutual funds held in trusts associated with deferred compensation plans for former directors and executives, are recorded at fair value and totaled $5.6 million at June 30, 2018 compared to $5.2 million at June 30, 2017.

At June 30, 2018, the investment securities portfolio, including trading securities, was $3.849 billion compared to $3.624 billion at June 30, 2017, an increase of $224.8 million. Investment securities attributable to the Anchor (MN) acquisition totaled $308.8 million as of the closing date of the acquisition. Investment securities represented 25% of earning assets at June 30, 2018, compared to 28% at June 30, 2017 and 26% at December 31, 2017. Investment securities decreased as a percentage of total earning assets at June 30, 2018 when compared to June 30, 2017 due to a proportionately larger increase in loan balances. Stronger commercial loan demand in the future and management’s decision to deleverage the balance sheet could result in a reduction in the securities portfolio. At June 30, 2018, management does not intend to sell any securities in an unrealized loss position and does not believe we will be required to sell such securities.

The investment securities available-for-sale portfolio had net unrealized losses of $77.8 million at June 30, 2018, compared to net unrealized losses of $19.7 million at June 30, 2017, and net unrealized losses of $56.4 million at December 31, 2017. Net unrealized losses increased from December 31, 2017 to June 30, 2018 reflecting higher net unrealized losses on mortgage-backed securities primarily due to the effect of an increase in long-term interest rates.

The investment portfolio had an effective duration of 4.46 at June 30, 2018, compared to 4.25 at June 30, 2017, and 4.15 at December 31, 2017. Effective duration measures the percentage change in value of the portfolio in response to a change in interest rates. Generally, there is more uncertainty in interest rates over a longer average maturity, resulting in a higher duration percentage. The annualized average yields on investment securities, on a taxable equivalent basis, were 2.77% for the three months ended June 30, 2018, compared to 2.93% for the three months ended June 30, 2017. The annualized average yields on investment securities, on a taxable equivalent basis, were 2.76% for the six months ended June 30, 2018, compared to 2.96% for the six months ended June 30, 2017.

Loans Held for Sale

Mortgage loans held for immediate sale in the secondary market were $26.2 million at June 30, 2018, compared to $17.9 million at December 31, 2017. Certain mortgage loans are committed for sale at or prior to origination at a contracted price to an outside investor. Other mortgage loans held for immediate sale are hedged with TBA forward

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agreements and committed for sale when they are ready for delivery and remain on the Company’s balance sheet for a short period of time (typically 30 to 60 days). These loans are sold without recourse, beyond customary representations and warranties, and Old National has not experienced material losses arising from these sales. Mortgage originations are subject to volatility due to interest rates and home sales, among other factors.

We have elected the fair value option under FASB ASC 825-10 prospectively for residential loans held for sale. The aggregate fair value exceeded the unpaid principal balance by $1.0 million at June 30, 2018, compared to $0.5 million at December 31, 2017.

Commercial and Commercial Real Estate Loans

Commercial and commercial real estate loans are the largest classification within earning assets, representing 49% of earning assets at June 30, 2018, compared to 41% at June 30, 2017 and 47% at December 31, 2017. At June 30, 2018, commercial and commercial real estate loans were $7.415 billion, an increase of $2.153 billion, or 41%, compared to June 30, 2017, and an increase of $342.8 million, or 5%, compared to December 31, 2017. Commercial and commercial real estate loans attributable to the Anchor (MN) acquisition totaled $1.516 billion as of the closing date of the acquisition.

Residential Real Estate Loans

At June 30, 2018, residential real estate loans held in our loan portfolio were $2.154 billion, an increase of $54.6 million compared to June 30, 2017, and a decrease of $13.1 million compared to December 31, 2017. Residential real estate loans attributable to the Anchor (MN) acquisition totaled $34.0 million as of the closing date of the acquisition. Future increases in interest rates could result in a decline in the level of refinancings and new originations of residential real estate loans.

Consumer Loans

Consumer loans, including automobile loans and personal and home equity loans and lines of credit, decreased $144.1 million at June 30, 2018 compared to June 30, 2017, and decreased $152.3 million from December 31, 2017. Old National assumed student loans in the acquisition of Anchor (WI) in May 2016. Student loans are guaranteed by the government from 97% to 100% and totaled $68.2 million at December 31, 2017. Old National sold the remaining student loan portfolio totaling $64.9 million during the second quarter of 2018, resulting in a $2.2 million gain that is included in other income on the income statement. Consumer loans attributable to the Anchor (MN) acquisition totaled $43.9 million as of the closing date of the acquisition. We continue to see runoff in our less profitable indirect consumer loan portfolio.

Goodwill and Other Intangible Assets

Goodwill and other intangible assets at June 30, 2018 totaled $874.2 million, an increase of $187.3 million compared to $686.9 million at June 30, 2017. As of June 30, 2018, we have recorded $200.4 million of goodwill and other intangible assets associated with the acquisition of Anchor (MN).

Net Deferred Tax Assets

Net deferred tax assets decreased $56.6 million compared to June 30, 2017 primarily due to a revaluation of our deferred tax assets due to the enactment of the Tax Cuts and Jobs Act (“H.R. 1”), which lowered the federal corporate tax rate to 21%. Shortly after the enactment date, the SEC issued SAB 118, which addresses the situations where the accounting for changes in tax laws is complete, incomplete but can be reasonably estimated, and incomplete and cannot be reasonably estimated. SAB 118 also permits a measurement period of up to one year from the date of enactment to refine the provisional accounting. During the six months ended June 30, 2018, immaterial adjustments made to the preliminary valuation of assets acquired and liabilities assumed in the acquisition of Anchor (MN) impacted the estimated revaluation of Old National’s deferred tax assets. Old National completed its analysis of H.R. 1 during the second quarter of 2018. Future changes in the corporate tax rate could result in a change in value of Old National’s deferred tax assets and future income tax expense. See Note 20 to the consolidated financial statements for additional information.

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Other Assets

Other assets increased $21.5 million, or 16%, since June 30, 2017 primarily due to higher accrued income taxes. Old National reclassified $20.1 million from deferred tax assets related to alternative minimum tax credits to accrued income taxes in the six months ended June 30, 2018 as a result of the enactment of H.R. 1. See Note 20 to the consolidated financial statements for additional information.

Funding

Total funding, comprised of deposits and wholesale borrowings, was $15.126 billion at June 30, 2018, an increase of $2.182 billion from $12.944 billion at June 30, 2017, and a decrease of $57.5 million from $15.184 billion at December 31, 2017. Included in total funding were deposits of $12.596 billion at June 30, 2018, an increase of $1.912 billion from $10.684 billion at June 30, 2017, and a decrease of $9.4 million from $12.606 billion at December 31, 2017. Deposits attributable to the Anchor (MN) acquisition totaled $1.777 billion as of the closing date of the acquisition. Noninterest-bearing deposits increased $589.6 million from June 30, 2017 to June 30, 2018. Interest-bearing checking and NOW deposits increased $414.5 million from June 30, 2017 to June 30, 2018, while savings deposits increased $101.4 million. Money market deposits increased $418.2 million from June 30, 2017 to June 30, 2018, while time deposits increased $388.9 million.

We use wholesale funding to augment deposit funding and to help maintain our desired interest rate risk position. At June 30, 2018, wholesale borrowings, including federal funds purchased and interbank borrowings, securities sold under agreements to repurchase, FHLB advances, and other borrowings, totaled $2.530 billion, an increase of $270.2 million, or 12%, from June 30, 2017, and a decrease of $48.1 million, or 2%, from December 31, 2017. Wholesale funding as a percentage of total funding was 17% at June 30, 2018, June 30, 2017, and December 31, 2017. The increase in wholesale funding from June 30, 2017 to June 30, 2018 was due to increases in FHLB advances, securities sold under agreements to repurchase, and other borrowings, partially offset by a decrease in federal funds purchased and interbank borrowings.

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities increased $29.2 million, or 23%, from June 30, 2017 primarily due to an increase in unfunded commitments on various tax credit investments and increases in accrued incentives, severance, and profit sharing expenses. Accrued expenses and other liabilities decreased $23.6 million, or 13%, from December 31, 2017 primarily due to incentive and severance payments in the first half of 2018 and a decrease in unfunded commitments on various tax credit investments.

Capital

Shareholders’ equity totaled $2.200 billion at June 30, 2018, compared to $1.887 billion at June 30, 2017 and $2.154 billion at December 31, 2017. Shareholders’ equity at June 30, 2018 included $300.8 million from the 16.5 million shares of Common Stock that were issued in conjunction with the acquisition of Anchor (MN). We paid cash dividends of $0.26 per share in the six months ended June 30, 2018, which reduced equity by $39.6 million. The change in unrealized gains (losses) on available-for-sale investment securities decreased equity by $16.2 million during the six months ended June 30, 2018. The Company’s Common Stock is traded on the NASDAQ under the symbol “ONB” with 34,526 shareholders of record at June 30, 2018.

Capital Adequacy

Old National and the banking industry are subject to various regulatory capital requirements administered by the federal banking agencies. At June 30, 2018, Old National and its bank subsidiary exceeded the regulatory minimums and Old National Bank met the regulatory definition of well-capitalized based on the most recent regulatory definition.

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At June 30, 2018, Old National’s consolidated capital position remains strong as evidenced by the following comparisons of key industry ratios.

	Fully Phased-In Regulatory Guidelines			June 30,						December 31,
	Minimum			2018			2017			2017
Risk-based capital:
Tier 1 capital to total average assets (leverage ratio)		4.00	%		8.30	%		8.65	%		8.28	%
Common equity Tier 1 capital to risk-adjusted total assets		7.00			10.85			11.50			10.39
Tier 1 capital to risk-adjusted total assets		8.50			10.85			11.79			10.39
Total capital to risk-adjusted total assets		10.50			11.87			12.31			11.40
Shareholders’ equity to assets		N/A			12.58			12.61			12.30

N/A = not applicable

At June 30, 2018, Old National Bank, Old National’s bank subsidiary, maintained a strong capital position as evidenced by the following comparisons of key industry ratios.

	Fully Phased-In
	Regulatory Guidelines			Well Capitalized			June 30,						December 31,
	Minimum			Guidelines			2018			2017			2017
Risk-based capital:
Tier 1 capital to total average assets (leverage ratio)		4.00	%		5.00	%		8.92	%		8.61	%		8.93	%
Common equity Tier 1 capital to risk-adjusted total assets		7.00			6.50			11.65			11.73			11.21
Tier 1 capital to risk-adjusted total assets		8.50			8.00			11.65			11.73			11.21
Total capital to risk-adjusted total assets		10.50			10.00			12.20			12.25			11.73

RISK MANAGEMENT

Overview

Old National has adopted a Risk Appetite Statement to enable the Board of Directors, Executive Leadership Group, and Senior Management to better assess, understand, and mitigate the risks of Old National. The Risk Appetite Statement addresses the following major risks: strategic, market, liquidity, credit, operational/technology/cyber, regulatory/compliance/legal, reputational, and human resources. Our Chief Risk Officer is independent of management and reports directly to the Chair of the Board’s Enterprise Risk Management Committee. The following discussion addresses these major risks: credit, market, liquidity, operational/technology/cyber, and regulatory/compliance/legal.

Credit Risk

Credit risk represents the risk of loss arising from an obligor’s inability or failure to meet contractual payment or performance terms. Our primary credit risks result from our investment and lending activities.

Investment Activities

We carry a higher exposure to loss in our pooled trust preferred securities, which are collateralized debt obligations, due to illiquidity in that market and the performance of the underlying collateral. At June 30, 2018, we had pooled trust preferred securities with a fair value of $8.2 million, or less than 1% of the available-for-sale securities

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portfolio. These securities remained classified as available-for-sale and at June 30, 2018, the unrealized loss on our pooled trust preferred securities was approximately $5.7 million. The fair value of these securities should improve as we get closer to maturity, but not in all cases. During the first quarter of 2018, Old National sold a pooled trust security for proceeds of $1.8 million, which resulted in a loss of $0.9 million. There was no OTTI recorded during the six months ended June 30, 2018 or 2017.

All of our mortgage-backed securities are backed by U.S. government-sponsored or federal agencies. Municipal bonds, corporate bonds, and other debt securities are evaluated by reviewing the credit-worthiness of the issuer and general market conditions. See Note 6 to the consolidated financial statements for additional details about our investment security portfolio.

Counterparty Exposure

Counterparty exposure is the risk that the other party in a financial transaction will not fulfill its obligation. We define counterparty exposure as nonperformance risk in transactions involving federal funds sold and purchased, repurchase agreements, correspondent bank relationships, and derivative contracts with companies in the financial services industry. Old National manages exposure to counterparty risk in connection with its derivatives transactions by generally engaging in transactions with counterparties having ratings of at least A by Standard & Poor’s Rating Service or A2 by Moody’s Investors Service. Total credit exposure is monitored by counterparty and managed within limits that management believes to be prudent. Old National’s net counterparty exposure was an asset of $274.7 million at June 30, 2018.

Lending Activities

Commercial

Commercial and industrial loans are made primarily for the purpose of financing equipment acquisition, expansion, working capital, and other general business purposes. Lease financing consists of direct financing leases and are used by commercial customers to finance capital purchases ranging from computer equipment to transportation equipment. The credit decisions for these transactions are based upon an assessment of the overall financial capacity of the applicant. A determination is made as to the applicant’s ability to repay in accordance with the proposed terms as well as an overall assessment of the risks involved. In addition to an evaluation of the applicant’s financial condition, a determination is made of the probable adequacy of the primary and secondary sources of repayment, such as additional collateral or personal guarantees, to be relied upon in the transaction. Credit agency reports of the applicant’s credit history supplement the analysis of the applicant’s creditworthiness.

Commercial mortgages and construction loans are offered to real estate investors, developers, and builders primarily domiciled in the geographic market areas we serve: Indiana, Kentucky, Michigan, Wisconsin, and Minnesota. These loans are secured by first mortgages on real estate at LTV margins deemed appropriate for the property type, quality, location, and sponsorship. Generally, these LTV ratios do not exceed 80%. The commercial properties are predominantly non-residential properties such as retail centers, apartments, industrial properties and, to a lesser extent, more specialized properties. Substantially all of our commercial real estate loans are secured by properties located in our primary market area.

In the underwriting of our commercial real estate loans, we obtain appraisals for the underlying properties. Decisions to lend are based on the economic viability of the property and the creditworthiness of the borrower. In evaluating a proposed commercial real estate loan, we primarily emphasize the ratio of the property’s projected net cash flows to the loan’s debt service requirement. The debt service coverage ratio normally is not less than 120% and it is computed after deduction for a vacancy factor and property expenses as appropriate. In addition, a personal guarantee of the loan or a portion thereof is often required from the principal(s) of the borrower. In most cases, we require title insurance insuring the priority of our lien, fire, and extended coverage casualty insurance, and flood insurance, if appropriate, in order to protect our security interest in the underlying property. In addition, business interruption insurance or other insurance may be required.

Construction loans are underwritten against projected cash flows derived from rental income, business income from an owner-occupant, or the sale of the property to an end-user. We may mitigate the risks associated with these types of loans by requiring fixed-price construction contracts, performance and payment bonding, controlled disbursements, and pre-sale contracts or pre-lease agreements.

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Consumer

We offer a variety of first mortgage and junior lien loans to consumers within our markets, with residential home mortgages comprising our largest consumer loan category. These loans are secured by a primary residence and are underwritten using traditional underwriting systems to assess the credit risks of the consumer. Decisions are primarily based on LTV ratios, DTI ratios, liquidity, and credit scores. A maximum LTV ratio of 80% is generally required, although higher levels are permitted with mortgage insurance or other mitigating factors. We offer fixed rate mortgages and variable rate mortgages with interest rates that are subject to change every year after the first, third, fifth, or seventh year, depending on the product and are based on fully-indexed rates such as LIBOR. We do not offer payment-option facilities, sub-prime loans, or any product with negative amortization.

Home equity loans are secured primarily by second mortgages on residential property of the borrower. The underwriting terms for the home equity product generally permits borrowing availability, in the aggregate, up to 90% of the appraised value of the collateral property at the time of origination. We offer fixed and variable rate home equity loans, with variable rate loans underwritten at fully-indexed rates. Decisions are primarily based on LTV ratios, DTI ratios, and credit scores. We do not offer home equity loan products with reduced documentation.

Automobile loans include loans and leases secured by new or used automobiles. We originate automobile loans and leases primarily on an indirect basis through selected dealerships. We require borrowers to maintain collision insurance on automobiles securing consumer loans, with us listed as loss payee. Our procedures for underwriting automobile loans include an assessment of an applicant’s overall financial capacity, including credit history and the ability to meet existing obligations and payments on the proposed loan. Although an applicant’s creditworthiness is the primary consideration, the underwriting process also includes a comparison of the value of the collateral security to the proposed loan amount.

Old National assumed student loans in the acquisition of Anchor (WI) in May 2016. Student loans are guaranteed by the government from 97% to 100% and totaled $68.2 million at December 31, 2017. Old National sold the remaining student loan portfolio totaling $64.9 million during the second quarter of 2018, resulting in a $2.2 million gain that is included in other income on the income statement.

Asset Quality

Community-based lending personnel, along with region-based independent underwriting and analytic support staff, extend credit under guidelines established and administered by our Enterprise Risk Committee. This committee, which meets quarterly, is made up of outside directors. The committee monitors credit quality through its review of information such as delinquencies, credit exposures, peer comparisons, problem loans, and charge-offs. In addition, the committee reviews and approves recommended loan policy changes to assure it remains appropriate for the current lending environment.

We lend to commercial and commercial real estate clients in various industries including manufacturing, agribusiness, transportation, mining, wholesaling, and retailing. Old National manages concentrations of credit exposure by industry, product, geography, customer relationship, and loan size. While loans to lessors of both residential and non-residential real estate exceed 10% of total loans, no individual sub-segment category within those broader categories reaches the 10% threshold. At June 30, 2018, we had minimal exposure to foreign borrowers and no sovereign debt. Our policy is to concentrate our lending activity in the geographic market areas we serve, primarily Indiana, Kentucky, Michigan, Wisconsin, and Minnesota. We are experiencing a slow and gradual improvement in the economy of our principal markets. Management expects that trends in under-performing, criticized, and classified loans will be influenced by the degree to which the economy strengthens or weakens.

On November 1, 2017, Old National closed on its acquisition of Anchor (MN). As of the closing date of the acquisition, loans totaled $1.594 billion and other real estate owned totaled $1.1 million. In accordance with accounting for business combinations, there was no allowance brought forward on any of the acquired loans, as the credit losses evident in the loans were included in the determination of the fair value of the loans at the acquisition

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date. Old National reviewed the acquired loans and determined that as of June 30, 2018, $34.3 million met the definition of criticized and $37.5 million were considered classified (of which $22.8 million are reported with nonaccrual loans). Our current preference would be to work these loans and avoid foreclosure actions unless additional credit deterioration becomes apparent. These acquired impaired loans, along with $0.7 million of other real estate owned, are included in our summary of under-performing, criticized, and classified assets found below.

Summary of under-performing, criticized, and classified assets:

	June 30,						December 31,
(dollars in thousands)	2018			2017			2017
Nonaccrual loans:
Commercial	$	36,260		$	29,856		$	27,202
Commercial real estate		70,907			63,051			62,425
Residential real estate		23,198			19,029			22,171
Consumer		8,717			13,583			13,129
Total nonaccrual loans (1)		139,082			125,519			124,927
Renegotiated loans not on nonaccrual		17,139			14,123			19,589
Past due loans (90 days or more and still accruing):
Commercial		85			2			144
Residential real estate		389			74			—
Consumer		1,101			125			750
Total past due loans		1,575			201			894
Other real estate owned		3,729			11,071			8,810
Total under-performing assets	$	161,525		$	150,914		$	154,220
Classified loans (includes nonaccrual, renegotiated, past due 90 days, and other problem loans)	$	249,708		$	237,997		$	226,583
Other classified assets (2)		3,149			7,449			4,556
Criticized loans		154,891			99,502			188,085
Total criticized and classified assets	$	407,748		$	344,948		$	419,224
Asset Quality Ratios:
Non-performing loans/total loans (3) (4)		1.38	%		1.51	%		1.30	%
Under-performing assets/total loans and other real estate owned (3)		1.43			1.63			1.39
Under-performing assets/total assets		0.92			1.01			0.88
Allowance for loan losses/under-performing assets (5)		33.22			33.78			32.67
Allowance for loan losses/nonaccrual loans (1)		38.58			40.62			40.33

(1) Includes purchased credit impaired loans of approximately $11.3 million at June 30, 2018, $6.8 million at June 30, 2017, and $12.6 million at December 31, 2017 that are categorized as nonaccrual for credit analysis purposes because the collection of principal or interest is doubtful. However, these loans are accounted for under FASB ASC 310-30 and accordingly treated as performing assets.

(2) Includes 1 pooled trust preferred security and 1 insurance policy at June 30, 2018.

(3) Loans exclude loans held for sale.

(4) Non-performing loans include nonaccrual and renegotiated loans.

(5) Because the acquired loans were recorded at fair value in accordance with ASC 805 at the date of acquisition, the credit risk is incorporated in the fair value recorded. No allowance for loan losses is recorded on the acquisition date.

Under-performing assets totaled $161.5 million at June 30, 2018, compared to $150.9 million at June 30, 2017 and $154.2 million at December 31, 2017. Under-performing assets as a percentage of total loans and other real estate owned at June 30, 2018 were 1.43%, a decrease of 20 basis points from 1.63% at June 30, 2017 and an increase of 4 basis points from 1.39% at December 31, 2017.

Nonaccrual loans increased from June 30, 2017 primarily due to an increase in nonaccrual commercial and commercial real estate loans. Nonaccrual loans at June 30, 2018 include $22.8 million of loans related to the Anchor (MN) acquisition. As a percentage of nonaccrual loans, the allowance for loan losses was 38.58% at June 30, 2018, compared to 40.62% at June 30, 2017 and 40.33% at December 31, 2017. PCI loans that were included in the nonaccrual category for credit analysis purposes because the collection of principal or interest is doubtful totaled

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$11.3 million at June 30, 2018, compared to $6.8 million at June 30, 2017 and $12.6 million at December 31, 2017. However, they are accounted for under FASB ASC 310-30 and accordingly treated as performing assets.

Total criticized and classified assets were $407.7 million at June 30, 2018, an increase of $62.8 million from June 30, 2017, and a decrease of $11.5 million from December 31, 2017. Other classified assets include investment securities that fell below investment grade rating totaling $3.1 million at June 30, 2018, compared to $7.4 million at June 30, 2017 and $4.6 million at December 31, 2017.

Old National may choose to restructure the contractual terms of certain loans. The decision to restructure a loan, versus aggressively enforcing the collection of the loan, may benefit Old National by increasing the ultimate probability of collection.

Any loans that are modified are reviewed by Old National to identify if a TDR has occurred, which is when, for economic or legal reasons related to a borrower’s financial difficulties, Old National Bank grants a concession to the borrower that it would not otherwise consider. Terms may be modified to fit the ability of the borrower to repay in line with its current financial status. The modification of the terms of such loans include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the maturity date at a stated rate of interest lower than the current market rate of new debt with similar risk, or a permanent reduction of the recorded investment of the loan.

Loans modified in a TDR are typically placed on nonaccrual status until we determine the future collection of principal and interest is reasonably assured, which generally requires that the borrower demonstrate a period of performance according to the restructured terms for six months.

If we are unable to resolve a nonperforming loan issue, the credit will be charged off when it is apparent there will be a loss. For large commercial type loans, each relationship is individually analyzed for evidence of apparent loss based on quantitative benchmarks or subjectively based upon certain events or particular circumstances. Generally, Old National charges off small commercial loans scored through our small business credit center with contractual balances under $250,000 that are 90 days or more delinquent and do not have adequate collateral support. For residential and consumer loans, a charge off is recorded at the time foreclosure is initiated or when the loan becomes 120 to 180 days past due, whichever is earlier.

For commercial TDRs, an allocated reserve is established within the allowance for loan losses for the difference between the carrying value of the loan and its computed value. To determine the value of the loan, one of the following methods is selected: (1) the present value of expected cash flows discounted at the loan’s original effective interest rate, (2) the loan’s observable market price, or (3) the fair value of the collateral value, if the loan is collateral dependent. The allocated reserve is established as the difference between the carrying value of the loan and the collectable value. If there are significant changes in the amount or timing of the loan’s expected future cash flows, impairment is recalculated and the valuation allowance is adjusted accordingly.

When a residential or consumer loan is identified as a TDR, the loan is typically written down to its collateral value less selling costs.

At June 30, 2018, our TDRs consisted of $9.0 million of commercial loans, $34.9 million of commercial real estate loans, $3.8 million of residential loans, and $3.4 million of consumer loans totaling $51.1 million. Approximately $34.0 million of the TDRs at June 30, 2018 were included with nonaccrual loans. At December 31, 2017, our TDRs consisted of $12.1 million of commercial loans, $34.7 million of commercial real estate loans, $3.3 million of residential loans, and $3.9 million of consumer loans totaling $54.0 million. Approximately $34.0 million of the TDRs at December 31, 2017 were included with nonaccrual loans.

Old National has allocated specific reserves to customers whose loan terms have been modified in TDRs totaling $4.8 million at June 30, 2018 and $5.7 million of December 31, 2017. At June 30, 2018, Old National had committed to lend an additional $4.0 million to customers with outstanding loans that are classified as TDRs.

The terms of certain other loans were modified during 2018 that did not meet the definition of a TDR. It is our process to review all classified and criticized loans that, during the period, have been renewed, have entered into a forbearance agreement, have gone from principal and interest to interest only, or have extended the maturity date. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed of the

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probability that the borrower will be in payment default on its debt in the foreseeable future without the modification. The evaluation is performed under our internal underwriting policy. We also evaluate whether a concession has been granted or if we were adequately compensated through a market interest rate, additional collateral, or a bona fide guarantee. We also consider whether the modification was insignificant relative to the other terms of the agreement or the delay in a payment.

PCI loans are not considered impaired until after the point at which there has been a degradation of cash flows below our expected cash flows at acquisition. If a PCI loan is subsequently modified, and meets the definition of a TDR, it will be removed from PCI accounting and accounted for as a TDR only if the PCI loan was being accounted for individually. If the PCI loan is being accounted for as part of a pool, it will not be removed from the pool. At June 30, 2018, it has not been necessary to remove any loans from PCI accounting.

In general, once a modified loan is considered a TDR, the loan will always be considered a TDR, and therefore impaired, until it is paid in full, otherwise settled, sold, or charged off. However, guidance also permits for loans to be removed from TDR status when subsequently restructured under these circumstances: (1) at the time of the subsequent restructuring, the borrower is not experiencing financial difficulties, and this is documented by a current credit evaluation at the time of the restructuring, (2) under the terms of the subsequent restructuring agreement, the institution has granted no concession to the borrower; and (3) the subsequent restructuring agreement includes market terms that are no less favorable than those that would be offered for a comparable new loan. For loans subsequently restructured that have cumulative principal forgiveness, the loan should continue to be measured in accordance with ASC 310-10, Receivables – Overall. However, consistent with ASC 310-40-50-2, Troubled Debt Restructurings by Creditors, Creditor Disclosure of Troubled Debt Restructurings, the loan would not be required to be reported in the years following the restructuring if the subsequent restructuring meets both of these criteria: (1) has an interest rate at the time of the subsequent restructuring that is not less than a market interest rate; and (2) is performing in compliance with its modified terms after the subsequent restructuring.

Allowance for Loan Losses and Reserve for Unfunded Commitments

Loan charge-offs, net of recoveries, totaled $(0.8) million for the three months ended June 30, 2018, compared to $0.2 million for the three months ended June 30, 2017. Annualized, net charge-offs (recoveries) to average loans were (0.03)% for the three months ended June 30, 2018 compared to 0.01% for the three months ended June 30, 2017. Loan charge-offs, net of recoveries, totaled $(0.5) million for the six months ended June 30, 2018, compared to $0.5 million for the six months ended June 30, 2017. Annualized, net charge-offs (recoveries) to average loans were (0.01)% for the six months ended June 30, 2018 compared to 0.01% for the six months ended June 30, 2017. Management will continue its efforts to reduce the level of non-performing loans and may consider the possibility of sales of troubled and non-performing loans, which could result in additional charge-offs to the allowance for loan losses.

To provide for the risk of loss inherent in extending credit, we maintain an allowance for loan losses. The allowance for loan losses is maintained at a level believed adequate by management to absorb probable losses incurred in the consolidated loan portfolio. Management’s evaluation of the adequacy of the allowance is an estimate based on reviews of individual loans, pools of homogeneous loans, assessments of the impact of current and anticipated economic conditions on the portfolio, and historical loss experience.

At June 30, 2018, the allowance for loan losses was $53.7 million, an increase of $2.7 million compared to $51.0 million at June 30, 2017, and an increase of $3.3 million compared to $50.4 million at December 31, 2017. Continued loan growth in future periods, a decline in our current level of recoveries, or an increase in charge-offs could result in an increase in provision expense.

As a percentage of total loans excluding loans held for sale, the allowance was 0.48% at June 30, 2018, compared to 0.55% at June 30, 2017 and 0.45% at December 31, 2017.

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The following table provides additional details of the components of the allowance for loan losses, including ASC 450, Contingencies, for loans collectively evaluated for impairment, ASC 310-10, Receivables, for loans individually evaluated for impairment, and ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, for loans acquired with deteriorated credit quality:

	Collectively			Individually			Acquired with
	Evaluated for			Evaluated for			Deteriorated
(dollars in thousands)	Impairment			Impairment			Credit Quality			Total
Loan balance	$	11,230,007		$	114,089		$	62,260		$	11,406,356
Remaining purchase discount		(83,230	)		(4,714	)		(22,783	)		(110,727	)
Loans, net of discount	$	11,146,777		$	109,375		$	39,477		$	11,295,629
Allowance, January 1, 2018	$	40,137		$	10,078		$	166		$	50,381
Charge-offs		(4,579	)		(1,145	)		(15	)		(5,739	)
Recoveries		4,296			1,622			274			6,192
Provision expense		(553	)		3,478			(99	)		2,826
Allowance, June 30, 2018	$	39,301		$	14,033		$	326		$	53,660

We maintain an allowance for losses on unfunded commercial lending commitments and letters of credit to provide for the risk of loss inherent in these arrangements. The allowance is computed using a methodology similar to that used to determine the allowance for loan losses, modified to take into account the probability of a drawdown on the commitment. The reserve for unfunded loan commitments is classified as a liability account on the balance sheet and totaled $3.2 million at June 30, 2018, compared to $3.1 million at December 31, 2017.

Market Risk

Market risk is the risk that the estimated fair value of our assets, liabilities, and derivative financial instruments will decline as a result of changes in interest rates or financial market volatility, or that our net income will be significantly reduced by interest rate changes.

The objective of our interest rate management process is to maximize net interest income while operating within acceptable limits established for interest rate risk and maintaining adequate levels of funding and liquidity.

Potential cash flows, sales, or replacement value of many of our assets and liabilities, especially those that earn or pay interest, are sensitive to changes in the general level of interest rates. This interest rate risk arises primarily from our normal business activities of gathering deposits and extending loans. Many factors affect our exposure to changes in interest rates, such as general economic and financial conditions, customer preferences, historical pricing relationships, and re-pricing characteristics of financial instruments. Our earnings can also be affected by the monetary and fiscal policies of the U.S. Government and its agencies, particularly the Federal Reserve.

In managing interest rate risk, we, through the Funds Management Committee, a committee of the Board of Directors, establish guidelines, for asset and liability management, including measurement of short and long-term sensitivities to changes in interest rates. Based on the results of our analysis, we may use different techniques to manage changing trends in interest rates including:

• adjusting balance sheet mix or altering interest rate characteristics of assets and liabilities;

• changing product pricing strategies;

• modifying characteristics of the investment securities portfolio; or

• using derivative financial instruments, to a limited degree.

A key element in our ongoing process is to measure and monitor interest rate risk using a model to quantify the impact of changing interest rates on Old National. The model quantifies the effects of various possible interest rate scenarios on projected net interest income. The model measures the impact on net interest income relative to a base case scenario. The base case scenario assumes that the balance sheet and interest rates are held at current levels. The model shows our projected net interest income sensitivity based on interest rate changes only and does not consider other forecast assumptions.

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The following table illustrates our projected net interest income sensitivity over a two year cumulative horizon based on the asset/liability model at June 30, 2018 and 2017:

	Immediate
	Rate Decrease					Immediate Rate Increase
	-50					+100			+200			+300
(dollars in thousands)	Basis Points			Base		Basis Points			Basis Points			Basis Points
June 30, 2018
Projected interest income:
Money market, other interest earning investments, and investment securities	$	227,659		$	233,393	$	245,518		$	257,181		$	268,650
Loans		939,145			995,782		1,107,966			1,219,560			1,331,076
Total interest income		1,166,804			1,229,175		1,353,484			1,476,741			1,599,726
Projected interest expense:
Deposits		59,512			91,974		170,875			249,772			328,664
Borrowings		102,985			119,546		152,623			185,688			218,770
Total interest expense		162,497			211,520		323,498			435,460			547,434
Net interest income	$	1,004,307		$	1,017,655	$	1,029,986		$	1,041,281		$	1,052,292
Change from base	$	(13,348	)			$	12,331		$	23,626		$	34,637
% change from base		-1.31	%				1.21	%		2.32	%		3.40	%
June 30, 2017
Projected interest income:
Money market, other interest earning investments, and investment securities	$	221,572		$	229,235	$	239,969		$	248,182		$	257,766
Loans		681,078			728,701		822,228			914,769			1,006,899
Total interest income		902,650			957,936		1,062,197			1,162,951			1,264,665
Projected interest expense:
Deposits		23,735			44,479		106,022			167,560			229,092
Borrowings		68,331			81,104		107,917			134,719			161,506
Total interest expense		92,066			125,583		213,939			302,279			390,598
Net interest income	$	810,584		$	832,353	$	848,258		$	860,672		$	874,067
Change from base	$	(21,769	)			$	15,905		$	28,319		$	41,714
% change from base		-2.62	%				1.91	%		3.40	%		5.01	%

Our asset sensitivity decreased slightly year over year primarily due to changes in our balance sheet mix, investment duration, and prepayment speed behavior.

A key element in the measurement and modeling of interest rate risk is the re-pricing assumptions of our transaction deposit accounts, which have no contractual maturity dates. We assume this deposit base is comprised of both core and more volatile balances and consists of both noninterest-bearing and interest-bearing accounts. Core deposit balances are assumed to be less interest rate sensitive and provide longer term funding. Volatile balances are assumed to be more interest rate sensitive and shorter in term. As part of our semi-static balance sheet modeling, we assume interest rates paid on the volatile deposits move in conjunction with changes in interest rates, in order to retain these deposits. This may include current noninterest-bearing accounts.

Because the models are driven by expected behavior in various interest rate scenarios and many factors besides market interest rates affect our net interest income, we recognize that model outputs are not guarantees of actual results. For this reason, we model many different combinations of interest rates and balance sheet assumptions to understand our overall sensitivity to market interest rate changes, including shocks, yield curve flattening, yield curve steepening, as well as forecasts of likely interest rate scenarios. At June 30, 2018, our projected net interest income sensitivity based on the asset/liability models we utilize was within the limits of our interest rate risk policy for the scenarios tested.

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We use derivative instruments, primarily interest rate swaps, to mitigate interest rate risk, including certain cash flow hedges on variable-rate debt with a notional amount of $625 million at June 30, 2018. Our derivatives had an estimated fair value loss of $6.2 million at June 30, 2018, compared to an estimated fair value loss of $2.2 million at December 31, 2017. See Note 21 to the consolidated financial statements for further discussion of derivative financial instruments.

Liquidity Risk

Liquidity risk arises from the possibility that we may not be able to satisfy current or future financial commitments, or may become unduly reliant on alternative funding sources. The Funds Management Committee of the Board of Directors establishes liquidity risk guidelines and, along with the Balance Sheet Management Committee, monitors liquidity risk. The objective of liquidity management is to ensure we have the ability to fund balance sheet growth and meet deposit and debt obligations in a timely and cost-effective manner. Management monitors liquidity through a regular review of asset and liability maturities, funding sources, and loan and deposit forecasts. We maintain strategic and contingency liquidity plans to ensure sufficient available funding to satisfy requirements for balance sheet growth, properly manage capital markets’ funding sources and to address unexpected liquidity requirements.

Loan repayments and maturing investment securities are a relatively predictable source of funds. However, deposit flows, calls of investment securities and prepayments of loans and mortgage-related securities are strongly influenced by interest rates, the housing market, general and local economic conditions, and competition in the marketplace. We continually monitor marketplace trends to identify patterns that might improve the predictability of the timing of deposit flows or asset prepayments.

A time deposit maturity schedule for Old National Bank is shown in the following table at June 30, 2018.

(dollars in thousands)
Maturity Bucket	Amount		Rate
2018	$	823,222		1.27	%
2019		629,179		1.45
2020		178,299		1.40
2021		88,229		1.47
2022		46,234		1.46
2023 and beyond		59,387		1.73
Total	$	1,824,550		1.37	%

Our ability to acquire funding at competitive prices is influenced by rating agencies’ views of our credit quality, liquidity, capital, and earnings. Moody’s Investor Service places us in an investment grade that indicates a low risk of default. For both Old National and Old National Bank:

• Moody’s Investor Service affirmed the Long-Term Rating of A3 of Old National’s senior unsecured/issuer rating on February 2, 2018.

• Moody’s Investor Service affirmed Old National Bank’s long-term deposit rating of Aa3 on February 2, 2018. The bank’s short-term deposit rating was affirmed at P-1 and the bank’s issuer rating was affirmed at A3.

The rating outlook from Moody’s Investor Service is negative. Moody’s Investor Service concluded a rating review of Old National Bank on February 2, 2018.

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The credit ratings of Old National and Old National Bank at June 30, 2018 are shown in the following table.

	Moody’s Investor Service
	Long-term		Short-term
Old National		A3		N/A
Old National Bank		Aa3		P-1

N/A = not applicable

Old National Bank maintains relationships in capital markets with brokers and dealers to issue certificates of deposit and short-term and medium-term bank notes as well. At June 30, 2018, Old National and its subsidiaries had the following availability of liquid funds and borrowings:

	Parent
(dollars in thousands)	Company		Subsidiaries
Available liquid funds:
Cash and due from banks	$	71,296	$	202,578
Unencumbered government-issued debt securities		—		1,137,328
Unencumbered investment grade municipal securities		—		501,554
Unencumbered corporate securities		—		135,286
Availability of borrowings:
Amount available from Federal Reserve discount window*		—		476,154
Amount available from Federal Home Loan Bank Indianapolis*		—		472,419
Total available funds	$	71,296	$	2,925,319

* Based on collateral pledged

The Parent Company (Old National Bancorp) has routine funding requirements consisting primarily of operating expenses, dividends to shareholders, debt service, net derivative cash flows, and funds used for acquisitions. The Parent Company can obtain funding to meet its obligations from dividends and management fees collected from its subsidiaries, operating line of credit, and through the issuance of debt securities. Additionally, the Parent Company has a shelf registration in place with the SEC permitting ready access to the public debt and equity markets. At June 30, 2018, the Parent Company’s other borrowings outstanding were $231.0 million.

Federal banking laws regulate the amount of dividends that may be paid by banking subsidiaries without prior approval. Prior regulatory approval is required if dividends to be declared in any year would exceed net earnings of the current year plus retained net profits for the preceding two years. Prior regulatory approval to pay dividends was not required in 2017 and is not currently required.

Operational/Technology/Cyber Risk

Operational/technology/cyber risk is the potential that inadequate information systems, operational problems, breaches in internal controls, information security breaches, fraud, or unforeseen catastrophes will result in unexpected losses. We maintain frameworks, programs, and internal controls to prevent or minimize financial loss from failure of systems, people, or processes. This includes specific programs and frameworks intended to prevent or limit the effects of cyber risks including cyber-attacks or other information security breaches that might allow unauthorized transactions or unauthorized access to customer, associate, or company sensitive information. Metrics and measurements are used by Executive Leaders in the management of day-to-day operations to ensure effective customer service, minimization of service disruptions, and oversight of operational and cyber risk. We continually monitor and report on operational, technology, and cyber risks related to clients, products, and business practices; external and internal fraud; business disruptions and systems failures; cyber-attacks, information security or data breaches; damage to physical assets; and execution, delivery, and process management.

The Enterprise Risk Management Committee of the Board of Directors is responsible for the oversight, guidance, and monitoring of risks, including operational/technology/cyber risks, being taken by the Company. The monitoring is accomplished through on-going review of management reports, data on risks, policy limits and discussion on enterprise risk management strategies, policies, and risk assessments.

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Regulatory/Compliance/Legal Risk

Regulatory/compliance/legal risk is the risk that the Company violated or was not in compliance with applicable laws, regulations or practices, industry standards, or ethical standards. The legal portion assesses the risk that unenforceable contracts, lawsuits, or adverse judgments can disrupt or otherwise negatively impact the Company. The Board of Directors expects we will perform business in a manner compliant with applicable laws and/or regulations and expects issues to be identified, analyzed, and remediated in a timely and complete manner.

OFF-BALANCE SHEET ARRANGEMENTS

Off-balance sheet arrangements include commitments to extend credit and financial guarantees. Commitments to extend credit and financial guarantees are used to meet the financial needs of our customers. Our banking affiliates have entered into various agreements to extend credit, including loan commitments of $3.218 billion and standby letters of credit of $85.7 million at June 30, 2018. At June 30, 2018, approximately $2.986 billion of the loan commitments had fixed rates and $232.0 million had floating rates, with the floating rates ranging from 0.99% to 15%. At December 31, 2017, loan commitments were $3.144 billion and standby letters of credit were $68.7 million. The term of these off-balance sheet arrangements is typically one year or less.

Old National is a party in risk participation transactions of interest rate swaps, which had total notional amount of $30.8 million at June 30, 2018.

CONTRACTUAL OBLIGATIONS

The following table presents our significant fixed and determinable contractual obligations at June 30, 2018:

	Payments Due In
	One Year		One to		Three to		Over
(dollars in thousands)	or Less (1)		Three Years		Five Years		Five Years		Total
Deposits without stated maturity	$	10,771,826	$	—	$	—	$	—	$	10,771,826
IRAs, consumer, and brokered certificates of deposit		823,222		807,478		134,463		59,387		1,824,550
Federal funds purchased and interbank borrowings		175,044		—		—		—		175,044
Securities sold under agreements to repurchase		347,511		—		—		—		347,511
FHLB advances		626,567		301,494		78,500		750,747		1,757,308
Other borrowings		1,286		284		332		248,339		250,241
Fixed interest payments (2)		20,123		66,165		60,491		113,089		259,868
Operating leases		9,698		35,519		31,001		71,742		147,960
Other long-term liabilities (3)		31,953		5,471		33		62		37,519

(1) For the remaining six months of fiscal 2018.

(2) Our senior notes, subordinated notes, certain trust preferred securities, and certain FHLB advances have fixed rates ranging from 1.50% to 6.08%. All of our other long-term debt is at LIBOR based variable rates at June 30, 2018. The projected variable interest assumes no increase in LIBOR rates from June 30, 2018.

(3) Includes unfunded commitments on qualified affordable housing projects and other tax credit investments.

We rent certain premises and equipment under operating leases. See Note 10 to the consolidated financial statements for additional information on long-term lease arrangements.

We are party to various derivative contracts as a means to manage the balance sheet and our related exposure to changes in interest rates, to manage our residential real estate loan origination and sale activity, and to provide derivative contracts to our clients. Since the derivative liabilities recorded on the balance sheet change frequently and do not represent the amounts that may ultimately be paid under these contracts, these liabilities are not included in the table of contractual obligations presented above. Further discussion of derivative instruments is included in Note 21 to the consolidated financial statements.

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In the normal course of business, various legal actions and proceedings are pending against us and our affiliates which are incidental to the business in which they are engaged. Further discussion of contingent liabilities is included in Note 22 to the consolidated financial statements.

In addition, liabilities recorded under FASB ASC 740-10 (FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes – an interpretation of FASB Statement No. 109) are not included in the table because the amount and timing of any cash payments cannot be reasonably estimated. Further discussion of income taxes and liabilities recorded under FASB ASC 740-10 is included in Note 20 to the consolidated financial statements.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our accounting policies are described in Note 1 to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017. Certain accounting policies require management to use significant judgment and estimates, which can have a material impact on the carrying value of certain assets and liabilities. We consider these policies to be critical accounting policies. The judgment and assumptions made are based upon historical experience or other factors that management believes to be reasonable under the circumstances. Because of the nature of the judgment and assumptions, actual results could differ from estimates, which could have a material effect on our financial condition and results of operations.

The following accounting policies materially affect our reported earnings and financial condition and require significant judgments and estimates. Management has reviewed these critical accounting estimates and related disclosures with our Audit Committee.

Goodwill

• Description. For acquisitions, we are required to record the assets acquired, including identified intangible assets, and the liabilities assumed at their fair value. These often involve estimates based on third party valuations, such as appraisals, or internal valuations based on discounted cash flow analyses or other valuation techniques that may include estimates of attrition, inflation, asset growth rates, or other relevant factors. Under FASB ASC 350, Intangibles – Goodwill and Other, goodwill recorded must be reviewed for impairment on an annual basis, as well as on an interim basis if events or changes indicate that the asset might be impaired. An impairment loss must be recognized for any excess of carrying value over fair value of the goodwill.

• Judgments and Uncertainties. The determination of fair values is based on valuations using management’s assumptions of future growth rates, future attrition, discount rates, multiples of earnings or other relevant factors.

• Effect if Actual Results Differ From Assumptions. Changes in these factors, as well as downturns in economic or business conditions, could have a significant adverse impact on the carrying value of goodwill and could result in impairment losses affecting our financials as a whole and our banking subsidiary in which the goodwill resides.

Allowance for Loan Losses

• Description. The allowance for loan losses is maintained at a level believed adequate by management to absorb probable incurred losses in the consolidated loan portfolio. Management’s evaluation of the adequacy of the allowance is an estimate based on reviews of individual loans, pools of homogeneous loans, assessments of the impact of current and anticipated economic conditions on the portfolio, and historical loss experience. The allowance represents management’s best estimate, but significant downturns in circumstances relating to loan quality and economic conditions could result in a requirement for additional allowance. Likewise, an upturn in loan quality and improved economic conditions may allow a reduction in the required allowance. In either instance, unanticipated changes could have a significant impact on results of operations.

The allowance is increased through a provision charged to operating expense. Uncollectible loans are charged-off through the allowance. Recoveries of loans previously charged-off are added to the allowance.

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A loan is considered impaired when it is probable that contractual interest and principal payments will not be collected either for the amounts or by the dates as scheduled in the loan agreement. Our policy for recognizing income on impaired loans is to accrue interest unless a loan is placed on nonaccrual status. A loan is generally placed on nonaccrual status when principal or interest becomes 90 days past due unless it is well secured and in the process of collection, or earlier when concern exists as to the ultimate collectibility of principal or interest. We monitor the quality of our loan portfolio on an on-going basis and use a combination of detailed credit assessments by relationship managers and credit officers, historic loss trends, and economic and business environment factors in determining the allowance for loan losses. We record provisions for loan losses based on current loans outstanding, grade changes, mix of loans, and expected losses. A detailed loan loss evaluation on an individual loan basis for our highest risk loans is performed quarterly. Management follows the progress of the economy and how it might affect our borrowers in both the near and the intermediate term. We have a formalized and disciplined independent loan review program to evaluate loan administration, credit quality, and compliance with corporate loan standards. This program includes periodic, regular reviews of problem loan reports, delinquencies and charge-offs.

• Judgments and Uncertainties. We utilize a PD/LGD model as a tool to determine the adequacy of the allowance for loan losses for performing commercial and commercial real estate loans. The PD is forecast using a transition matrix to determine the likelihood of a customer’s AQR migrating from its current AQR to any other status within the time horizon. Transition rates are measured using Old National’s own historical experience. The model assumes that recent historical transition rates will continue into the future. The LGD is defined as credit loss incurred when an obligor of the bank defaults. The sum of all net charge-offs for a particular portfolio segment are divided by all loans that have defaulted over a given period of time. The expected loss derived from the model considers the PD, LGD, and exposure at default. Additionally, qualitative factors, such as changes in lending policies or procedures, and economic business conditions are also considered.

We use historic loss ratios adjusted for economic conditions to determine the appropriate level of allowance for residential real estate and consumer loans.

• Effect if Actual Results Differ From Assumptions. The allowance represents management’s best estimate, but significant downturns in circumstances relating to loan quality and economic conditions could result in a requirement for additional allowance. Likewise, an upturn in loan quality and improved economic conditions may allow a reduction in the required allowance. In either instance, unanticipated changes could have a significant impact on results of operations.

Management’s analysis of probable losses in the portfolio at June 30, 2018 resulted in a range for allowance for loan losses of $15.6 million. The range pertains to general (FASB ASC 450, Contingencies) reserves for both retail and performing commercial loans. Specific (FASB ASC 310, Receivables) reserves do not have a range of probable loss. Due to the risks and uncertainty associated with the economy and our projection of loss rates inherent in the portfolio, we establish a range of probable outcomes (a high-end estimate and a low-end estimate) and evaluate our position within this range. The potential effect to net income based on our position in the range relative to the high and low endpoints is a decrease of $1.8 million and an increase of $10.0 million, respectively, after taking into account the tax effects. These sensitivities are hypothetical and may not represent actual results.

Derivative Financial Instruments

• Description. As part of our overall interest rate risk management, we use derivative instruments to reduce exposure to changes in interest rates and market prices for financial instruments. The application of the hedge accounting policy requires judgment in the assessment of hedge effectiveness, identification of similar hedged item groupings and measurement of changes in the fair value of derivative financial instruments and hedged items. To the extent hedging relationships are found to be effective, as determined by FASB ASC 815, Derivatives and Hedging (“ASC Topic 815”), changes in fair value of the derivatives are offset by changes in the fair value of the related hedged item or recorded to other comprehensive income. Management believes hedge effectiveness is evaluated properly in preparation of the financial statements. All of the derivative financial instruments we use have an active market and indications of fair value can be readily obtained. We are not using the “short-cut” method of accounting for any fair value derivatives.

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• Judgments and Uncertainties. The application of the hedge accounting policy requires judgment in the assessment of hedge effectiveness, identification of similar hedged item groupings and measurement of changes in the fair value of derivative financial instruments and hedged items.

• Effect if Actual Results Differ From Assumptions. To the extent hedging relationships are found to be effective, as determined by ASC Topic 815, changes in fair value of the derivatives are offset by changes in the fair value of the related hedged item or recorded to other comprehensive income. However, if in the future the derivative financial instruments used by us no longer qualify for hedge accounting treatment, all changes in fair value of the derivative would flow through the consolidated statements of income in other noninterest income, resulting in greater volatility in our earnings.

Income Taxes

• Description. We are subject to the income tax laws of the U.S., its states, and the municipalities in which we operate. These tax laws are complex and subject to different interpretations by the taxpayer and the relevant government taxing authorities. We review income tax expense and the carrying value of deferred tax assets quarterly; and as new information becomes available, the balances are adjusted as appropriate. FASB ASC 740-10 (FIN 48) prescribes a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken or expected to be taken on a tax return, in order for those tax positions to be recognized in the financial statements. See Note 20 to the consolidated financial statements for a further description of our provision and related income tax assets and liabilities.

• Judgments and Uncertainties. In establishing a provision for income tax expense, we must make judgments and interpretations about the application of these inherently complex tax laws. We must also make estimates about when in the future certain items will affect taxable income in the various tax jurisdictions. Disputes over interpretations of the tax laws may be subject to review/adjudication by the court systems of the various tax jurisdictions or may be settled with the taxing authority upon examination or audit.

• Effect if Actual Results Differ From Assumptions. Although management believes that the judgments and estimates used are reasonable, actual results could differ and we may be exposed to losses or gains that could be material. To the extent we prevail in matters for which reserves have been established, or are required to pay amounts in excess of our reserves, our effective income tax rate in a given financial statement period could be materially affected. An unfavorable tax settlement would result in an increase in our effective income tax rate in the period of resolution. A favorable tax settlement would result in a reduction in our effective income tax rate in the period of resolution.

Management has discussed the development and selection of these critical accounting estimates with the Audit Committee and the Audit Committee has reviewed our disclosure relating to it in this “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

FORWARD-LOOKING STATEMENTS

In this report, we have made various statements regarding current expectations or forecasts of future events, which speak only as of the date the statements are made. These statements are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are also made from time-to-time in press releases and in oral statements made by the officers of Old National Bancorp (“Old National” or the “Company”). Forward-looking statements can be identified by the use of the words “expect,” “may,” “could,” “intend,” “project,” “estimate,” “believe,” “anticipate,” and other words of similar meaning. Forward-looking statements also include, but are not limited to, statements regarding estimated cost savings, plans and objectives for future operations, the Company’s business and growth strategies, including future acquisitions of banks, regulatory developments, and expectations about performance as well as economic and market conditions and trends.

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Such forward-looking statements are based on assumptions and estimates, which although believed to be reasonable, may turn out to be incorrect. Therefore, undue reliance should not be placed upon these estimates and statements. We cannot assure that any of these statements, estimates, or beliefs will be realized and actual results may differ from those contemplated in these “forward-looking statements.” We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events, or otherwise. You are advised to consult further disclosures we may make on related subjects in our filings with the SEC. In addition to other factors discussed in this report, some of the important factors that could cause actual results to differ materially from those discussed in the forward-looking statements include the following:

• economic, market, operational, liquidity, credit, and interest rate risks associated with our business;

• economic conditions generally and in the financial services industry;

• expected cost savings in connection with the consolidation of recent acquisitions may not be fully realized or realized within the expected time frames, and deposit attrition, customer loss, and revenue loss following completed acquisitions may be greater than expected;

• failure to properly understand risk characteristics of newly entered markets;

• increased competition in the financial services industry either nationally or regionally, resulting in, among other things, credit quality deterioration;

• our ability to achieve loan and deposit growth;

• volatility and direction of market interest rates;

• governmental legislation and regulation, including changes in accounting regulation or standards;

• our ability to execute our business plan;

• a weakening of the economy which could materially impact credit quality trends and the ability to generate loans;

• changes in the securities markets; and

• changes in fiscal, monetary, and tax policies.

Investors should consider these risks, uncertainties, and other factors in addition to risk factors included in our other filings with the SEC.

ITEM 3. QUANTITIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See Management’s Discussion and Analysis of Financial Condition and Results of Operations – Market Risk and Liquidity Risk.

ITEM 4. CONTROLS AND PROCEDURES

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

Evaluation of disclosure controls and procedures. Old National’s principal executive officer and principal financial officer have concluded that Old National’s disclosure controls and procedures (as defined in Exchange Act Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended), based on their evaluation of these controls and procedures as of the end of the period covered by this quarterly report on Form 10-Q, are effective at the reasonable assurance level as discussed below to ensure that information required to be disclosed by Old National in the reports it files under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the Securities and Exchange Commission and that such information is accumulated and communicated to Old National’s management, including its principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

Limitations on the Effectiveness of Controls. Management, including the principal executive officer and principal financial officer, does not expect that Old National’s disclosure controls and internal controls will prevent all error and all fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls.

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The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be only reasonable assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, control may become inadequate because of changes in conditions or the degree of compliance with the policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

Changes in Internal Control over Financial Reporting. There were no changes in Old National’s internal control over financial reporting that occurred during the period covered by this report that have materially affected, or are reasonably likely to materially affect, Old National’s internal control over financial reporting.

PART II

OTHER INFORMATION

ITEM 1A. RISK FACTORS

There have been no material changes from the risk factors previously disclosed in the “Risk Factors” section of the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(c) ISSUER PURCHASES OF EQUITY SECURITIES

					Total Number
					of Shares
	Total		Average		Purchased as		Maximum Number of
	Number		Price		Part of Publicly		Shares that May Yet
	of Shares		Paid Per		Announced Plans		Be Purchased Under
Period	Purchased		Share		or Programs		the Plans or Programs
04/01/18 - 04/30/18		1,196	$	16.95		—		—
05/01/18 - 05/31/18		29,352		17.40		—		—
06/01/18 - 06/30/18		400		18.34		—		—
Quarter-to-date 6/30/18		30,948	$	17.40		—		—

The Board of Directors did not authorize a stock repurchase plan for 2018. During the three months ended June 30, 2018, Old National repurchased a limited number of shares associated with employee share-based incentive programs.

ITEM 5. OTHER INFORMATION

(a) None

(b) There have been no material changes in the procedure by which security holders recommend nominees to the Company’s board of directors.

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ITEM 6. EXHIBITS

Exhibit     No.	Description
2.1	Agreement and Plan of Merger dated as of August 7, 2017 by and between Old National Bancorp and Anchor Bancorp, Inc. (the schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K) (incorporated by reference to Exhibit 2.1 of Old National’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 8, 2017).
2.2	Agreement and Plan of Merger dated as of June 20, 2018 by and between Old National Bancorp and Klein Financial, Inc. (the schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K) (incorporated by reference to Exhibit 2.1 of Old National’s Current Report on Form 8-K filed with the Securities and Exchange Commission on June 21, 2018).
3.1	Fourth Amended and Restated Articles of Incorporation of Old National, amended May 13, 2016 (incorporated by reference to Exhibit 3.1 of Old National’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 16, 2016).
3.2	Amended and Restated By-Laws of Old National, amended July 28, 2016 (incorporated by reference to Exhibit 3.1 of Old National’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 1, 2016).
4.1	Senior Indenture between Old National and The Bank of New York Trust Company (as successor to J.P. Morgan Trust Company, National Association (as successor to Bank One, N.A.)), as trustee, dated as of July 23, 1997 (incorporated by reference to Exhibit 4.3 to Old National’s Registration Statement on Form S-3, Registration No. 333-118374, filed with the Securities and Exchange Commission on December 2, 2004).
4.2	Second Indenture Supplement, dated as of August 15, 2014, between Old National and The Bank of New York Mellon Trust Company, N.A., as trustee, providing for the issuance of its 4.125% Senior Notes due 2024 (incorporated by reference to Exhibit 4.1 of Old National’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 15, 2014).
31.1	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Principal Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	The following materials from Old National’s Form 10-Q Report for the quarterly period ended June 30, 2018, formatted in XBRL: (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Changes in Shareholders’ Equity, (v) the Consolidated Statements of Cash Flows, and (vi) the Notes to Consolidated Financial Statements.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

OLD NATIONAL BANCORP

(Registrant)

By:	/s/ James C. Ryan, III
	James C. Ryan, III Senior Executive Vice President and Chief Financial Officer Duly Authorized Officer and Principal Financial Officer
	Date: August 1, 2018

97

EX-31.1

Exhibit 31.1

FORM OF SECTION 302 CERTIFICATION

I, Robert G. Jones, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Old National Bancorp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15 (e) and 15d-15 (e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 1, 2018	By:	/s/ Robert G. Jones
		Robert G. Jones Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

FORM OF SECTION 302 CERTIFICATION

I, James C. Ryan, III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Old National Bancorp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15 (e) and 15d-15 (e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 1, 2018	By:	/s/ James C. Ryan, III
		James C. Ryan, III Chief Financial Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Old National Bancorp (the “Company”) on Form 10-Q for the quarter ending June 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Robert G. Jones, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that

(1)    The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)    The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

By:	/s/ Robert G. Jones
	Robert G. Jones Chief Executive Officer (Principal Executive Officer)
	Date: August 1, 2018

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Old National Bancorp (the “Company”) on Form 10-Q for the quarter ending June 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James C. Ryan, III, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that

(1)     The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)     The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

By:	/s/ James C. Ryan, III
	James C. Ryan, III Chief Financial Officer (Principal Financial Officer)
	Date: August 1, 2018

XML

Document and Entity Information	6 Months Ended
	Jun. 30, 2018 shares
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	ONB
Entity Registrant Name	Old National Bancorp /IN/
Entity Central Index Key	0000707179
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	152,351,000

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Assets
Cash and due from banks	$ 219,626	$ 222,753	$ 230,809
Money market and other interest-earning investments	54,248	67,679	31,932
Total cash and cash equivalents	273,874	290,432	262,741
Trading securities, at fair value	5,596	5,584	5,235
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	3,181,665	3,196,207	2,814,338
Investment securities - held-to-maturity, at amortized cost (fair value $524,597; $727,703; and $749,363, respectively)	525,718	684,063	695,139
Federal Home Loan Bank/Federal Reserve Bank stock, at cost	136,206	119,686	109,715
Loans held for sale, at fair value	26,198	17,930	27,425
Loans:
Commercial	2,962,895	2,717,269	2,001,621
Commercial real estate	4,451,772	4,354,552	3,259,998
Residential real estate	2,153,973	2,167,053	2,099,374
Consumer credit, net of unearned income	1,726,989	1,879,247	1,871,047
Total loans	11,295,629	11,118,121	9,232,040
Allowance for loan losses	(53,660)	(50,381)	(50,986)
Net loans	11,241,969	11,067,740	9,181,054
Premises and equipment, net	449,304	458,074	413,933
Accrued interest receivable	81,290	87,102	79,830
Goodwill	828,804	828,051	655,018
Other intangible assets	45,417	53,096	31,876
Company-owned life insurance	405,492	403,753	354,875
Net deferred tax assets	90,187	110,857	146,780
Loan servicing rights	24,303	24,661	25,023
Assets held for sale	10,222	7,180	11,725
Other real estate owned and repossessed personal property	3,729	8,810	11,071
Other assets	153,016	155,066	131,503
Total assets	17,482,990	17,518,292	14,957,281
Deposits:
Noninterest-bearing demand	3,600,793	3,680,807	3,011,156
Interest-bearing:
Checking and NOW	3,054,302	3,115,822	2,639,813
Savings	3,026,110	3,035,622	2,924,689
Money market	1,090,621	1,139,077	672,391
Time	1,824,550	1,634,436	1,435,665
Total deposits	12,596,376	12,605,764	10,683,714
Federal funds purchased and interbank borrowings	175,044	335,033	227,029
Securities sold under agreements to repurchase	347,511	384,810	298,094
Federal Home Loan Bank advances	1,757,308	1,609,579	1,515,628
Other borrowings	250,241	248,782	219,167
Accrued expenses and other liabilities	156,295	179,927	127,055
Total liabilities	15,282,775	15,363,895	13,070,687
Shareholders' Equity
Preferred stock, 2,000 shares authorized, no shares issued or outstanding
Common stock, $1.00 per share stated value, 300,000 shares authorized, 152,351; 152,040; and 135,516 shares issued and outstanding, respectively	152,351	152,040	135,516
Capital surplus	1,642,790	1,639,499	1,352,411
Retained earnings	471,777	413,130	429,787
Accumulated other comprehensive income (loss), net of tax	(66,703)	(50,272)	(31,120)
Total shareholders' equity	2,200,215	2,154,397	1,886,594
Total liabilities and shareholders' equity	17,482,990	17,518,292	14,957,281
U.S. Treasury [Member]
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	5,257	5,551	5,634
U.S. Government-Sponsored Entities and Agencies [Member]
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	568,231	664,286	580,624
Investment securities - held-to-maturity, at amortized cost (fair value $524,597; $727,703; and $749,363, respectively)	73,570
Mortgage-Backed Securities - Agency [Member]
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	1,448,526	1,667,682	1,462,111
Investment securities - held-to-maturity, at amortized cost (fair value $524,597; $727,703; and $749,363, respectively)	139,594	6,903
States and Political Subdivisions [Member]
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	797,533	530,193	431,874
Investment securities - held-to-maturity, at amortized cost (fair value $524,597; $727,703; and $749,363, respectively)	312,554	677,160
Other Debt Securities Including Pooled Trust Preferred Securities [Member]
Investment securities - available-for-sale, at fair value
Total investment securities - available-for-sale	$ 362,118	$ 328,495	$ 334,095

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Investment securities - held-to-maturity, fair value	$ 524,597	$ 727,703	$ 749,363
Common stock, stated value	$ 1	$ 1	$ 1
Authorized and unissued common shares reserved for issuance	300,000,000	300,000,000	300,000,000
Common stock, shares issued	152,351,000	152,040,000	135,516,000
Common stock, shares outstanding	152,351,000	152,040,000	135,516,000
Series A Preferred Stock [Member]
Preferred stock, shares authorized	2,000,000	2,000,000	2,000,000
Preferred stock, shares issued	0	0	0
Preferred stock, shares outstanding	0	0	0

XML

Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Loans including fees:
Taxable	$ 124,610	$ 92,189	$ 242,999	$ 184,390
Nontaxable	3,984	3,236	7,858	6,415
Investment securities:
Taxable	18,367	15,501	37,171	31,186
Nontaxable	6,658	7,228	13,207	14,600
Money market and other interest-earning investments	117	55	207	86
Total interest income	153,736	118,209	301,442	236,677
Interest Expense
Deposits	9,139	4,724	16,394	9,107
Federal funds purchased and interbank borrowings	647	422	1,664	778
Securities sold under agreements to repurchase	434	334	793	590
Federal Home Loan Bank advances	8,824	6,017	16,604	11,329
Other borrowings	2,729	2,379	5,452	4,739
Total interest expense	21,773	13,876	40,907	26,543
Net interest income	131,963	104,333	260,535	210,134
Provision for loan losses	2,446	1,355	2,826	1,702
Net interest income after provision for loan losses	129,517	102,978	257,709	208,432
Noninterest Income
Wealth Management fees	9,746	9,679	18,772	18,678
Services charges on deposit accounts	10,765	10,040	21,524	19,883
Debit card and ATM fees	5,080	4,436	9,945	8,672
Mortgage banking revenue	5,189	5,186	9,381	9,412
Investment product fees	5,066	5,004	10,097	9,993
Capital markets income	896	2,747	1,394	3,778
Company-owned life insurance	2,430	2,117	5,035	4,266
Net securities gains (losses)	1,494	3,075	2,282	4,575
Recognition of deferred gain on sale leaseback transactions	394	538	789	1,075
Other income	8,229	6,449	11,975	11,859
Total noninterest income	49,289	49,271	91,194	92,191
Noninterest Expense
Salaries and employee benefits	66,592	57,606	130,771	114,170
Occupancy	12,873	10,539	26,153	22,673
Equipment	3,728	3,350	7,293	6,577
Marketing	3,962	3,673	7,659	6,723
Data processing	9,724	8,226	18,124	15,834
Communication	2,772	2,288	5,836	4,702
Professional fees	2,923	4,077	5,653	6,728
Loan expenses	1,843	1,693	3,587	3,324
Supplies	903	594	1,625	1,173
FDIC assessment	3,161	2,130	5,806	4,617
Other real estate owned expense	196	1,009	545	2,124
Amortization of intangibles	3,416	2,781	7,025	5,801
Amortization of tax credit investments	11,858		12,574
Other expense	6,509	4,845	14,966	10,256
Total noninterest expense	130,460	102,811	247,617	204,702
Income before income taxes	48,346	49,438	101,286	95,921
Income tax expense	4,345	10,584	9,302	21,075
Net income	$ 44,001	$ 38,854	$ 91,984	$ 74,846
Net income per common share - basic	$ 0.29	$ 0.28	$ 0.61	$ 0.55
Net income per common share - diluted	$ 0.29	$ 0.28	$ 0.60	$ 0.55
Weighted average number of common shares outstanding - basic	151,878	135,085	151,800	134,999
Weighted average number of common shares outstanding - diluted	152,568	135,697	152,483	135,641
Dividends per common share	$ 0.13	$ 0.13	$ 0.26	$ 0.26

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Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 44,001	$ 38,854	$ 91,984	$ 74,846
Change in securities available-for-sale:
Unrealized holding gains (losses) for the period	(7,327)	30,627	(33,121)	46,407
Reclassification for securities transferred to held-to-maturity			14,007
Reclassification adjustment for securities gains realized in income	(1,494)	(3,075)	(2,282)	(4,575)
Income tax effect	2,070	(10,017)	5,180	(15,277)
Unrealized gains (losses) on available-for-sale securities	(6,751)	17,535	(16,216)	26,555
Change in securities held-to-maturity:
Adjustment for securities transferred to available-for-sale			19,412
Adjustment for securities transferred from available-for-sale			(14,007)
Amortization of unrealized losses on securities transferred from available-for-sale	521	453	1,112	902
Income tax effect	(119)	(155)	(1,145)	(309)
Changes from securities held-to-maturity	402	298	5,372	593
Cash flow hedges:
Net unrealized derivative gains (losses) on cash flow hedges	1,516	(2,387)	6,079	(1,807)
Reclassification adjustment for losses realized in net income	10	1,734	779	3,533
Income tax effect	(375)	248	(1,683)	(656)
Changes from cash flow hedges	1,151	(405)	5,175	1,070
Defined benefit pension plans:
Amortization of net loss recognized in income	27	27	54	54
Income tax effect	(6)	(10)	(13)	(20)
Changes from defined benefit pension plans	21	17	41	34
Other comprehensive income (loss), net of tax	(5,177)	17,445	(5,628)	28,252
Comprehensive income	$ 38,824	$ 56,299	$ 86,356	$ 103,098

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Consolidated Statements of Changes in Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2016	$ 1,814,417	$ 135,159	$ 1,348,338	$ 390,292	$ (59,372)
Net income	74,846			74,846
Other comprehensive income (loss)	28,252				28,252
Dividends - common stock	(35,219)			(35,219)
Common stock issued	188	11	177
Common stock repurchased	(1,852)	(104)	(1,748)
Share-based compensation expense	3,184		3,184
Stock activity under incentive compensation plans	2,778	450	2,460	(132)
Ending Balance at Jun. 30, 2017	1,886,594	135,516	1,352,411	429,787	(31,120)
Beginning Balance at Mar. 31, 2017					(48,565)
Net income	38,854
Other comprehensive income (loss)	17,445
Ending Balance at Jun. 30, 2017	1,886,594	135,516	1,352,411	429,787	(31,120)
Beginning Balance at Dec. 31, 2017	2,154,397	152,040	1,639,499	413,130	(50,272)
Reclassification of certain tax effects related to the Tax Cuts and Jobs Act of 2017 (Note 3)				10,751	(10,751)
Net income	91,984			91,984
Other comprehensive income (loss)	(5,628)				(5,628)
Dividends - common stock	(39,588)			(39,588)
Common stock issued	222	14	208
Common stock repurchased	(1,749)	(100)	(1,649)
Share-based compensation expense	3,606		3,606
Stock activity under incentive compensation plans	1,150	397	1,126	(373)
Ending Balance at Jun. 30, 2018	2,200,215	152,351	1,642,790	471,777	(66,703)
Beginning Balance at Mar. 31, 2018					(61,526)
Net income	44,001
Other comprehensive income (loss)	(5,177)
Ending Balance at Jun. 30, 2018	2,200,215	$ 152,351	$ 1,642,790	471,777	(66,703)
Cumulative effect of change in accounting principles (Note 3)	$ (4,179)			$ (4,127)	$ (52)

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Consolidated Statements of Changes in Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Stockholders' Equity [Abstract]
Common stock, dividends per share	$ 0.13	$ 0.13	$ 0.26	$ 0.26

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Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows From Operating Activities
Net income	$ 91,984	$ 74,846
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	11,772	10,406
Amortization of other intangible assets	7,025	5,801
Amortization of tax credit investments	12,574
Net premium amortization on investment securities	7,538	7,529
Accretion income related to acquired loans	(22,312)	(22,157)
Share-based compensation expense	3,606	3,184
Excess tax (benefit) expense on share-based compensation	432	160
Provision for loan losses	2,826	1,702
Net securities (gains) losses	(2,282)	(4,575)
Recognition of deferred gain on sale leaseback transactions	(789)	(1,075)
Net (gains) losses on sales of loans and other assets	1,078	(5,398)
Increase in cash surrender value of company-owned life insurance	(5,035)	(4,266)
Residential real estate loans originated for sale	(240,201)	(179,025)
Proceeds from sales of residential real estate loans	234,736	246,549
(Increase) decrease in interest receivable	2,316	1,551
(Increase) decrease in other real estate owned	5,081	7,475
(Increase) decrease in other assets	16,127	3,707
Increase (decrease) in accrued expenses and other liabilities	(21,669)	(20,504)
Total adjustments	12,823	51,064
Net cash flows provided by (used in) operating activities	104,807	125,910
Cash Flows From Investing Activities
Purchases of investment securities available-for-sale	(235,161)	(414,742)
Purchases of Federal Home Loan Bank/Federal Reserve Bank stock	(16,520)	(8,008)
Proceeds from maturities, prepayments, and calls of investment securities available-for-sale	220,753	252,486
Proceeds from sales of investment securities available-for-sale	131,321	186,277
Proceeds from maturities, prepayments, and calls of investment securities held-to-maturity	35,750	48,204
Proceeds from sales of Federal Home Loan Bank/Federal Reserve Bank stock		9
Proceeds from sales of trading securities	128	127
Proceeds from sale of student loan portfolio	70,674
Net principal collected from (loans made to) loan customers	(219,685)	(199,895)
Proceeds from settlements on company-owned life insurance	3,296	2,347
Proceeds from sale of premises and equipment and other assets	4,708	10,120
Purchases of premises and equipment and other assets	(17,005)	(9,461)
Net cash flows provided by (used in) investing activities	(21,741)	(132,536)
Cash Flows From Financing Activities
Deposits	(9,527)	(59,539)
Federal funds purchased and interbank borrowings	(159,989)	14,026
Securities sold under agreements to repurchase	(37,299)	(68,958)
Other borrowings	1,159	(97)
Payments for maturities of Federal Home Loan Bank advances	(898,801)	(892,298)
Proceeds from Federal Home Loan Bank advances	1,045,000	1,055,000
Cash dividends paid on common stock	(39,588)	(35,219)
Common stock repurchased	(1,749)	(1,852)
Proceeds from exercise of stock options	948	2,597
Common stock issued	222	188
Net cash flows provided by (used in) financing activities	(99,624)	13,848
Net increase (decrease) in cash and cash equivalents	(16,558)	7,222
Cash and cash equivalents at beginning of period	290,432	255,519
Cash and cash equivalents at end of period	273,874	262,741
Supplemental cash flow information:
Total interest paid	40,426	26,534
Total taxes paid (net of refunds)	(819)	$ 3,000
Securities transferred from held-to-maturity to available-for-sale	447,026
Securities transferred from available-for-sale to held-to-maturity	$ 323,990

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Basis of Presentation

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

NOTE 1 – BASIS OF PRESENTATION

The accompanying unaudited consolidated financial statements include the accounts of Old National Bancorp and its wholly-owned affiliates (hereinafter collectively referred to as “Old National”) and have been prepared in conformity with accounting principles generally accepted in the United States of America and prevailing practices within the banking industry. Such principles require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and the disclosures of contingent assets and liabilities at the date of the financial statements and amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. In the opinion of management, the consolidated financial statements contain all the normal and recurring adjustments necessary for a fair statement of the financial position of Old National as of June 30, 2018 and 2017, and December 31, 2017, and the results of its operations for the three and six months ended June 30, 2018 and 2017. Interim results do not necessarily represent annual results. These financial statements should be read in conjunction with Old National’s Annual Report for the year ended December 31, 2017.

All significant intercompany transactions and balances have been eliminated. Certain prior year amounts have been reclassified to conform to the 2018 presentation. Such reclassifications had no effect on net income or shareholders’ equity and were insignificant amounts.

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Revenue Recognition

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Recognition

NOTE 2 – REVENUE RECOGNITION

In May 2014, the FASB issued an update (ASU No. 2014-09, Revenue from Contracts with Customers) creating FASB Topic 606, Revenue from Contracts with Customers. The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The scope of this update explicitly excludes net interest income, as well as other revenues from transactions involving financial instruments, such as loans and securities. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements. Old National finalized the in-depth assessment and identified the revenue line items within the scope of this new guidance. For Old National, the revenue streams that are affected by this update are presented within noninterest income.

In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net). The amendments relate to when another party, along with the entity, is involved in providing a good or service to a customer. Topic 606 requires an entity to determine whether the nature of its promise is to provide that good or service to the customer (that is, the entity is a principal) or to arrange for the good or service to be provided to the customer by the other party (that is, the entity is an agent). This determination is based upon whether the entity controls the good or the service before it is transferred to the customer. Topic 606 includes indicators to assist in this evaluation. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing. The amendments clarify the following two aspects of Topic 606: identifying performance obligations, and the licensing implementation guidance. Before an entity can identify its performance obligations in a contract with a customer, the entity first identifies the promised goods or services in the contract. The amendments in this update are expected to reduce the cost and complexity of applying the guidance on identifying promised goods or services. To identify performance obligations in a contract, an entity evaluates whether promised goods and services are distinct. Topic 606 includes two criteria for assessing whether promises to transfer goods or services are distinct. One of those criteria is that the promises are separately identifiable. This update will improve the guidance on assessing that criterion. Topic 606 also includes implementation guidance on determining whether as entity’s promise to grant a license provides a customer with either a right to use the entity’s intellectual property, which is satisfied at a point in time, or a right to access the entity’s intellectual property, which is satisfied over time. The amendments in this update are intended to improve the operability and understandability of the licensing implementation guidance. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In May 2016, the FASB issued ASU No. 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients. The amendments do not change the core revenue recognition principle in Topic 606. The amendments provide clarifying guidance in certain narrow areas and add some practical expedients.

In December 2016, the FASB issued ASU No. 2016-20, Revenue from Contracts with Customers (Topic 606): Technical Corrections and Improvements. The FASB decided to issue a separate update for technical corrections and improvements to Topic 606 and other Topics amended by ASU No. 2014-09 to increase awareness of the proposals and to expedite improvements to ASU No. 2014-09. The amendment affects narrow aspects of the guidance issued in ASU No. 2014-09.

On January 1, 2018, Old National adopted ASU 2014-09, Revenue from Contracts with Customers and all subsequent amendments to the ASU (collectively, “Topic 606”) utilizing the modified retrospective application. A significant majority of Old National’s revenues are not subject to the new guidance. Services within the scope of Topic 606 include wealth management fees, service charges on deposit accounts, debit card and ATM fees, and investment product fees. Old National enters into various contracts with customers to provide these traditional banking services on a routine basis. Old National’s performance obligations are generally service-related and provided on a daily, monthly, or quarterly basis. The performance obligations are generally satisfied as services are rendered and the fees are collected at such time, or shortly thereafter. It is not typical for contracts to require significant judgment to determine the transaction price. The implementation of this update did not have a material impact on the measurement, timing, or recognition of revenue. Accordingly, no cumulative effect adjustment to opening retained earnings was deemed necessary. Results for reporting periods beginning after adoption are presented under Topic 606. As allowed under the update, results for prior periods continue to be reported under the accounting standards in effect for those periods.

Wealth management fees: Old National earns wealth management fees based upon asset custody and investment management services provided to individual and institutional customers. Most of these customers receive monthly or quarterly billings for services rendered based upon the market value of assets in custody. Fees that are transaction based are recognized at the point in time that the transaction is executed.

Service charges on deposit accounts: Old National earns fees from deposit customers for transaction-based, account maintenance, and overdraft services. Transaction-based fees and overdraft fees are recognized at a point in time, since the customer generally has a right to cancel the depository arrangement at any time. The arrangement is considered a day-to-day contract with ongoing renewals and optional purchases, so the duration of the contract does not extend beyond the services already performed. Account maintenance fees, which relate primarily to monthly maintenance, are earned over the course of a month, representing the period over which Old National satisfies its performance obligation.

Debit card and ATM fees: Debit card and ATM fees include ATM usage fees and debit card interchange income. As with the transaction-based fees on deposit accounts, the ATM fees are recognized at the point in time that Old National fulfills the customer’s request. Old National earns interchange fees from cardholder transactions processed through card association networks. Interchange rates are generally set by the card associations based upon purchase volumes and other factors. Interchange fees represent a percentage of the underlying transaction value and are recognized daily, concurrently with the transaction processing services provided to the cardholder.

Investment product fees: Investment product fees are the commissions and fees received from a registered broker/dealer and investment adviser that provide those services to Old National customers. Old National acts as an agent in arranging the relationship between the customer and the third-party service provider. These fees are recognized monthly from the third-party broker based upon services already performed, net of the processing fees charged to Old National by the broker.

The consolidated statements of income include all categories of noninterest income. The following table reflects only the categories of noninterest income that are within the scope of Topic 606:

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)	2018		2017			2018		2017
Wealth management fees	$	9,746	$	9,679		$	18,772	$	18,678
Service charges on deposit accounts		10,765		10,040			21,524		19,883
Debit card and ATM fees		5,080		4,436			9,945		8,672
Investment product fees		5,066		5,004			10,097		9,993
Other income:
Merchant processing fees		778		633			1,419		1,230
Gain (loss) on other real estate owned		586		(41	)		721		617
Safe deposit box fees		224		207			628		514
Insurance premiums and commissions		78		160			182		267
Total	$	32,323	$	30,118		$	63,288	$	59,854

The adoption of Topic 606 did not have a material impact on our consolidated financial position, results of operations, equity, or cash flows as of the adoption date or for the three or six months ended June 30, 2018.

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2018

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

NOTE 3 – RECENT ACCOUNTING PRONOUNCEMENTS

FASB ASC 825 – In January 2016, the FASB issued an update (ASU No. 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update impact public business entities as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income; (2) simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; and when a qualitative assessment indicates that impairment exists, an entity is required to measure the investment at fair value; (3) eliminate the requirement to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; (4) require entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (5) require an entity to present separately in other comprehensive income the portion of the total change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; (6) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (7) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 842 – In February 2016, the FASB issued its new lease accounting guidance in ASU No. 2016-02, Leases (Topic 842). Under the new guidance, lessees will be required to recognize the following for all leases, with the exception of short-term leases, at the commencement date: (1) a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Old National has formed a cross functional team to plan and execute the adoption of this standard. The implementation efforts are ongoing, including the review of our leases and related accounting policies, review of contracts for embedded leases, and the implementation of a new lease software solution. Based on leases outstanding at June 30, 2018, Old National does not expect the new standard to have a material impact on the income statement, but anticipates a $125 million to $140 million increase in assets and liabilities. Decisions to repurchase, modify, or renew leases prior to the implementation date will impact this level of materiality.

In July 2018, the FASB issued an update (ASU No. 2018-10, Codification Improvements to Topic 842, Leases). The FASB decided to issue a separate update for the improvements related to ASU No. 2016-02 to increase stakeholders’ awareness of the amendments and to expedite the improvements. The amendments affect narrow aspects of the guidance issued in ASU No. 2016-02.

FASB ASC 815 – In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The amendments in the update make certain targeted improvements to simplify the application of the hedge accounting guidance in GAAP. The amendments in this update better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. To meet that objective, the amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. This update addresses several limitations that GAAP placed on the risk components, how an entity can designate the hedged item in a fair value hedge of interest rate risk, and how an entity can measure changes in fair value of the hedged item attributable to interest rate risk. In addition to the amendments to the designation and measurement guidance for qualifying hedging relationships, the amendments in this update also align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements to increase the understandability of the results of an entity’s intended hedging strategies. The amendments in this update require an entity to present the earnings effect of the hedging instrument in the same income statement line item in which the earnings effect of the hedged item is reported. Prior to the issuance of this update, GAAP provided special hedge accounting only for the portion of the hedge deemed to be “highly effective” and required an entity to separately reflect the amount by which the hedging instrument did not offset the hedged item, which is referred to as the “ineffective” amount. However, the concept and reporting of hedge ineffectiveness were difficult for financial statement users to understand and, at times, for preparers to explain. The FASB decided on an approach that no longer separately measures and reports hedge ineffectiveness. This update also includes certain targeted improvements to ease the application of current guidance related to the assessment of hedge effectiveness. Prior to the issuance of this update, GAAP contained specific requirements for initial and ongoing quantitative hedge effectiveness testing and strict requirements for specialized effectiveness testing methods that allowed an entity to forgo quantitative hedge effectiveness assessments for qualifying relationships. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Early adoption is permitted in any interim period. Management elected to early adopt this update effective January 1, 2018 using the modified retrospective method. The impact of the adoption resulted in a reduction to Old National’s opening retained earnings of $3.2 million. In addition, as permitted by the amendments in the update, Old National reclassified $447.0 million in state and political subdivision securities with unrealized holding gains of $26.1 million from the held-to-maturity portfolio to the available-for-sale portfolio.

FASB ASC 718 – In May 2017, the FASB issued ASU No. 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting. The amendments in this update provide guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. An entity should account for the effect of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified – if the modification does not affect any of the inputs to the valuation technique that the entity uses to value the award, the entity is not required to estimate the value immediately before and after the modification; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 326 – In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“CECL”). The main objective of this amendment is to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendment requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to enhance their credit loss estimates. The amendment requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2019. Early adoption will be permitted beginning after December 15, 2018.

As previously disclosed, Old National formed a cross functional committee to oversee the adoption of the ASU at the effective date. A working group was also formed and has developed a project plan focused on understanding the ASU, researching issues, identifying data needs for modeling inputs, technology requirements, modeling considerations, and ensuring overarching governance has been achieved for each objective and milestone. The project plan is targeting data and model validation completion in early 2019, with parallel processing of our existing allowance for loan losses model with the CECL for 2 – 4 quarters prior to implementation, depending on how model completion and validation occurs over the remainder of 2018. Currently, the working group has identified seven distinct loan portfolios for which a model has been or is in the process of being developed. For two of the loan portfolios, the data sets have been identified, populated, and internally validated. Additionally, models have been built, tested, and internally validated. During the remainder of 2018, Old National is focused on the completion of its remaining models, refining assumptions, and continued review and challenge of its models. Concurrent with this, Old National is also focused on researching and resolving interpretive accounting issues in the ASU, contemplating various related accounting policies, developing processes and related controls, and considering various reporting disclosures.

As of the beginning of the first reporting period in which the new standard is effective, Old National expects to recognize a one-time cumulative effect adjustment increasing the allowance for loan losses, since the ASU covers credit losses over the expected life of a loan as well as considering future changes in macroeconomic conditions. The magnitude of any such one-time adjustment or the overall impact of the new guidance on the consolidated financial statements cannot yet be reasonably estimated.

FASB ASC 740 – In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory. Current guidance prohibits the recognition of current and deferred income taxes for an intra-entity asset transfer until the asset has been sold to an outside party. This prohibition on recognition is an exception to the principle of comprehensive recognition of current and deferred income taxes in generally accepted accounting principles. The exception has led to diversity in practice and is a source of complexity in financial reporting. FASB decided that an entity should recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. Consequently, the amendments in this update eliminate the exception for an intra-entity transfer of an asset other than inventory. The amendments in this update do not include new disclosure requirements; however, existing disclosure requirements might be applicable when accounting for the current and deferred income taxes for an intra-entity transfer of an asset other than inventory. The amendments in this update became effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The amendments in this update were applied on a modified retrospective basis through a cumulative-effect reduction of $1.0 million directly to retained earnings as of the beginning of 2018.

FASB ASC 805 – In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. The amendments in this update provide a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The amendments provide more consistency in applying the guidance, reduce the costs of application, and make the definition of a business more operable. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017. Old National has completed its evaluation of adopting the new guidance on the consolidated financial statements and there is no impact to record.

FASB ASC 350 – In January 2017, the FASB issued ASU No. 2017-04, Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the amendments eliminate Step 2 from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, the income tax effects of tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform Step 2 of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the qualitative impairment test is necessary. The amendments should be applied on a prospective basis. The nature of and reason for the change in accounting principle should be disclosed upon transition. The amendments in this update should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted on testing dates after January 1, 2017. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 610 – In February 2017, the FASB issued ASU No. 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Topic 610): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets. Subtopic 610-20 was originally issued as part of ASU No. 2014-09 to provide guidance for recognizing gains and losses from the transfer of nonfinancial assets in contracts with noncustomers. This update was issued to help clarify uncertainties and complexities of ASU 2014-09. The amendments in this update define the term in substance nonfinancial asset, in part, as a financial asset promised to a counterparty in a contract if substantially all of its fair value of the assets (recognized and unrecognized) that are promised to the counterparty in the contract is concentrated in nonfinancial assets. If substantially all of the fair value of the assets that are promised to the counterparty in a contract is concentrated in nonfinancial assets, then all of the financial assets promised to the counterparty are in substance nonfinancial assets. The amendments in this update also clarify that nonfinancial assets within the scope of Subtopic 610-20 may include nonfinancial assets transferred within a legal entity to a counterparty. The amendments in this update require an entity to derecognize a distinct nonfinancial asset or distinct in substance nonfinancial asset in a partial sale transaction when it (1) does not have (or ceases to have) a controlling financial interest in the legal entity that holds the asset in accordance with Topic 810 and (2) transfers control of the asset in accordance with Topic 606. Once an entity transfers control of a distinct nonfinancial asset or distinct in substance nonfinancial asset, it is required to measure any noncontrolling interest it receives (or retains) at fair value. The amendments were effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period and did not have a material impact on the consolidated financial statements.

FASB ASC 715 – In March 2017, the FASB issued ASU No. 2017-07, Compensation – Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments in this update require that an employer disaggregate the service cost component from the other components of net benefit cost. The amendments also provide explicit guidance on how to present the service cost component and the other components of net benefit cost in the income statement and allow only the service cost component of net benefit cost to be eligible for capitalization. The amendments in this update improve the consistency, transparency, and usefulness of financial information to users that have communicated that the service cost component generally is analyzed differently from the other components of net benefit cost. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 310 – In March 2017, the FASB issued ASU No. 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities. This update amends the amortization period for certain purchased callable debt securities held at a premium. FASB is shortening the amortization period for the premium to the earliest call date. Under current GAAP, entities generally amortize the premium as an adjustment of yield over the contractual life of the instrument. Concerns were raised that current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised. As a result, upon the exercise of a call on a callable debt security held at a premium, the unamortized premium is recorded as a loss in earnings. There is diversity in practice (1) in the amortization period for premiums of callable debt securities and (2) in how the potential for exercise of a call is factored into current impairment assessments. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 220 – In February 2018, the FASB issued ASU No. 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. The amendments in this ASU help organizations address certain stranded income tax effects in AOCI resulting from the Tax Cuts and Jobs Act. The ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Management has elected to early adopt this update effective January 1, 2018, which resulted in a reclassification that decreased beginning accumulated other comprehensive income and increased beginning retained earnings by $10.8 million.

FASB ASC 825 – In February 2018, the FASB issued an update (ASU No. 2018-03, Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update clarified the guidance in ASU No. 2016-01 specifically for equity securities without a readily determinable fair value and financial liabilities for which the fair value option is elected. The amendments in this update become effective for annual periods beginning after December 15, 2017 and interim periods within those fiscal years beginning after June 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

FASB ASC 718 – In June 2018, the FASB issued ASU No. 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting. The amendments in this update expand the scope of Topic 718, Compensation—Stock Compensation (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. The ASU supersedes Subtopic 505-50, Equity—Equity-Based Payments to Non-Employees. The amendments in this update become effective for annual periods beginning after December 15, 2018, including interim periods within that fiscal year and will not have a material impact on the consolidated financial statements.

FASB ASC 958 – In June 2018, the FASB issued ASU No. 2018-08, Not-for-Profit Entities (Topic 958): Clarifying the Scope and the Accounting Guidance for Contributions Received and Contributions Made. The amendments in this update clarify and improve the scope and accounting guidance around contributions of cash and other assets received and made by not-for-profit organizations and business enterprises. The ASU clarifies and improves current guidance about whether a transfer of assets, or the reduction, settlement, or cancellation of liabilities, is a contribution or an exchange transaction. It provides criteria for determining whether the resource provider is receiving commensurate value in return for the resources transferred which, depending on the outcome, determines whether the organization follows contribution guidance or exchange transaction guidance in the revenue recognition and other applicable standards. It also provides a more robust framework for determining whether a contribution is conditional or unconditional, and for distinguishing a donor-imposed condition from a donor-imposed restriction. This is important because such classification affects the timing of contribution revenue and expense recognition. The new ASU does not apply to transfers of assets from governments to businesses. The amendments in this update become effective for a public business entity for transactions in which the entity serves as a resource recipient to annual periods beginning after June 15, 2018, including interim periods within those annual periods. The amendments in this update become effective for a public business entity for a public business for transactions in which the entity serves as a resource provider to annual periods beginning after December 15, 2018, including interim periods within those annual periods. Early adoption is permitted. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

In July 2018, the FASB issued an update (ASU No. 2018-09, Codification Improvements). The amendments in this update affect a wide variety of topics in the Codification and are intended to clarify the Codification or correct the unintended application of guidance that is not expected to have a significant effect on current accounting practice. The transition and effective date guidance is based on the facts and circumstances of each amendment. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

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Acquisition and Divestiture Activity

6 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Acquisition and Divestiture Activity

NOTE 4 – ACQUISITION AND DIVESTITURE ACTIVITY

Acquisitions

Anchor Bancorp, Inc.

Effective November 1, 2017, Old National completed the acquisition of St. Paul, Minnesota-based Anchor (MN) through a stock and cash merger. Anchor (MN) was a bank holding company with Anchor Bank (MN) as its wholly-owned subsidiary. Founded in 1967 and with 17 total branches, Anchor Bank (MN) was one of the largest community banks headquartered in the Twin Cities, and also served Mankato, Minnesota. Anchor Bank (MN) has no affiliation with the former AnchorBank (WI) in Madison, Wisconsin, which Old National acquired in 2016. Old National believes that it will be able to achieve cost savings by integrating the two companies and combining accounting, data processing, retail and lending support, and other administrative functions, which will enable Old National to achieve economies of scale in these areas.

Pursuant to the merger agreement, each holder of Anchor (MN) common stock received $2.625 in cash and 1.350 shares of Old National Common Stock per share of Anchor (MN) common stock such holder owned. The total fair value of consideration for Anchor (MN) was $332.8 million, consisting of $31.9 million of cash and the issuance of 16.5 million shares of Old National Common Stock valued at $300.8 million. This acquisition was accounted for under the acquisition method of accounting. Accordingly, Old National recognized amounts for identifiable assets acquired and liabilities assumed at their estimated acquisition date fair values. Through June 30, 2018, transaction and integration costs of $17.0 million associated with this acquisition have been expensed and remaining integration costs will be expensed in future periods as incurred.

During the six months ended June 30, 2018, immaterial adjustments were made to the preliminary valuation of the assets acquired and liabilities assumed. These adjustments affected goodwill, definite lived intangible assets, premises and equipment, other assets, and deposits. As of June 30, 2018, Old National finalized its valuation of all assets acquired and liabilities assumed, resulting in no material change to acquisition accounting adjustments. A summary of the fair values of the acquired assets, liabilities assumed, and resulting goodwill follows (in thousands):

Cash and cash equivalents	$	34,501
Investment securities		302,195
FHLB/Federal Reserve Bank stock		6,585
Loans held for sale		1,407
Loans		1,593,991
Premises and equipment		33,433
Accrued interest receivable		5,872
Other real estate owned		1,058
Company-owned life insurance		44,490
Other assets		30,036
Deposits		(1,777,588	)
Federal funds purchased and interbank borrowings		(45,600	)
Securities sold under agreements to repurchase		(22,965	)
Other borrowings		(49,257	)
Accrued expenses and other liabilities		(25,784	)
Net tangible assets acquired		132,374
Definite-lived intangible assets acquired		26,606
Goodwill		173,785
Total consideration	$	332,765

Goodwill related to this acquisition will not be deductible for tax purposes.

The estimated fair value of the core deposit intangible was $26.6 million and is being amortized over an estimated useful life of 10 years.

Acquired loan data for Anchor (MN) can be found in the table below:

(in thousands)	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Cash Flows at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	10,555	$	16,898	$	4,787
Acquired receivables not subject to ASC 310-30	$	1,583,436	$	1,879,449	$	87,767

Divestitures

Based on an ongoing assessment of our service and delivery network, Old National consolidated 29 branches during 2017 and 9 branches during the six months ended June 30, 2018. In addition, there is one branch scheduled to be consolidated in the third quarter of this year.

Old National has entered into a branch purchase and assumption agreement for the sale of ten Old National branches in Wisconsin to Marine Credit Union of La Crosse, Wisconsin. Assets associated with this divestiture are included in assets held for sale on the balance sheet. The branch sale includes the assumption of approximately $261 million in deposits and no loans. Subject to regulatory approval and other terms and conditions, the sale is expected to close in the fourth quarter of 2018.

Pending Acquisition

On June 20, 2018, Old National entered into an agreement to acquire Minnesota-based Klein through a 100% stock merger. Klein is a bank holding company with KleinBank as its wholly-owned subsidiary. Founded in 1907 and headquartered in Chaska, Minnesota with 18 full-service branches, KleinBank is the largest family-owned community bank serving the Twin Cities and its western communities. At March 31, 2018, Klein had total assets of $2.0 billion and $1.7 billion of deposit liabilities. Pursuant to the merger agreement, each holder of Klein common stock will receive 7.92 shares of Old National common stock per share of Klein common stock such holder owns. Based on Old National’s June 20, 2018 closing price of $19.05 per share, this represents a total transaction value of approximately $433.8 million. The transaction value is likely to change until closing due to fluctuations in the price of Old National common stock and is also subject to adjustment under certain circumstances as provided in the merger agreement. The transaction remains subject to regulatory approval and the vote of Klein shareholders. The transaction is anticipated to close in the fourth quarter of 2018.

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Net Income Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Net Income Per Share

NOTE 5 – NET INCOME PER SHARE

Basic and diluted net income per share are calculated using the two-class method. Net income is divided by the weighted-average number of common shares outstanding during the period. Adjustments to the weighted average number of common shares outstanding are made only when such adjustments will dilute net income per common share. Net income is then divided by the weighted-average number of common shares and common share equivalents during the period.

The following table reconciles basic and diluted net income per share for the three and six months ended June 30, 2018 and 2017:

(dollars and shares in thousands, except per share data)	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Basic Net Income Per Share	$	0.29	$	0.28	$	0.61	$	0.55
Diluted Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Effect of dilutive securities:
Restricted stock		623		523		610		543
Stock options (1)		67		89		73		99
Weighted average shares outstanding		152,568		135,697		152,483		135,641
Diluted Net Income Per Share	$	0.29	$	0.28	$	0.60	$	0.55

(1) Options to purchase 14 thousand shares and 55 thousand shares outstanding at June 30, 2018 and 2017, respectively, were not included in the computation of net income per diluted share for the three and six months ended June 30, 2018 and 2017 because the exercise price of these options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

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Investment Securities

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Investment Securities

NOTE 6 – INVESTMENT SECURITIES

The following table summarizes the amortized cost and fair value of the available-for-sale and held-to-maturity investment securities portfolio at June 30, 2018 and December 31, 2017 and the corresponding amounts of unrealized gains and losses therein:

(dollars in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,312	$	—	$	(55	)	$	5,257
U.S. government-sponsored entities and agencies		583,644		—		(15,413	)		568,231
Mortgage-backed securities - Agency		1,503,636		501		(55,611	)		1,448,526
States and political subdivisions		793,141		8,406		(4,014	)		797,533
Pooled trust preferred securities		13,887		—		(5,682	)		8,205
Other securities		359,820		345		(6,252	)		353,913
Total available-for-sale securities	$	3,259,440	$	9,252	$	(87,027	)	$	3,181,665
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	73,570	$	—	$	(2,286	)	$	71,284
Mortgage-backed securities - Agency		139,594		58		(3,868	)		135,784
States and political subdivisions		312,554		7,209		(2,234	)		317,529
Total held-to-maturity securities	$	525,718	$	7,267	$	(8,388	)	$	524,597
December 31, 2017
Available-for-Sale
U.S. Treasury	$	5,473	$	83	$	(5	)	$	5,551
U.S. government-sponsored entities and agencies		675,643		3		(11,360	)		664,286
Mortgage-backed securities - Agency		1,704,014		1,600		(37,932	)		1,667,682
States and political subdivisions		529,835		5,085		(4,727	)		530,193
Pooled trust preferred securities		16,605		—		(8,157	)		8,448
Other securities		321,016		1,172		(2,141	)		320,047
Total available-for-sale securities	$	3,252,586	$	7,943	$	(64,322	)	$	3,196,207
Held-to-Maturity
Mortgage-backed securities - Agency	$	6,903	$	153	$	—		$	7,056
States and political subdivisions		677,160		43,495		(8	)		720,647
Total held-to-maturity securities	$	684,063	$	43,648	$	(8	)	$	727,703

As previously disclosed in Note 3, upon the early adoption of ASU No. 2017-12 on January 1, 2018, Old National reclassified $447.0 million in state and political subdivision securities from the held-to-maturity portfolio to the available-for-sale portfolio. Separately, on January 1, 2018, U.S. government-sponsored entities and agencies, agency mortgage-backed securities, and state and political subdivision securities with a fair value of $324.0 million were transferred from the available-for-sale portfolio to the held-to-maturity portfolio. The $10.8 million unrealized holding loss, net of tax, at the date of transfer shall continue to be reported as a separate component of shareholders’ equity and will be amortized over the remaining life of the securities as an adjustment to yield. The corresponding discount on these securities will offset this adjustment to yield as it is amortized.

Proceeds from sales or calls of available-for-sale investment securities, the resulting realized gains and realized losses, and other securities gains or losses were as follows for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Proceeds from sales of available-for-sale securities	$	47,064		$	152,689		$	131,321		$	186,277
Proceeds from calls of available-for-sale securities		11,211			60,600			28,647			71,120
Total	$	58,275		$	213,289		$	159,968		$	257,397
Realized gains on sales of available-for-sale securities	$	1,251		$	2,954		$	3,259		$	4,283
Realized gains on calls of available-for-sale securities		283			—			284			—
Realized losses on sales of available-for-sale securities		(48	)		(13	)		(1,305	)		(43	)
Realized losses on calls of available-for-sale securities		(4	)		(7	)		(53	)		(8	)
Other securities gains (losses) (1)		12			141			97			343
Net securities gains (losses)	$	1,494		$	3,075		$	2,282		$	4,575

(1) Other securities gains (losses) includes net realized and unrealized gains or losses associated with trading securities and mutual funds.

Trading securities, which consist of mutual funds held in trusts associated with deferred compensation plans for former directors and executives, are recorded at fair value and totaled $5.6 million at June 30, 2018 and December 31, 2017.

All the mortgage-backed securities in the investment portfolio are residential mortgage-backed securities. The amortized cost and fair value of the investment securities portfolio are shown by expected maturity. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Weighted average yield is based on amortized cost.

	At June 30, 2018
(dollars in thousands)					Weighted
	Amortized		Fair		Average
Maturity	Cost		Value		Yield
Available-for-Sale
Within one year	$	60,410	$	60,376		2.22	%
One to five years		511,930		505,586		2.29
Five to ten years		383,847		380,192		3.03
Beyond ten years		2,303,253		2,235,511		2.64
Total	$	3,259,440	$	3,181,665		2.62	%
Held-to-Maturity
Within one year	$	27,128	$	27,341		3.75	%
One to five years		33,736		34,432		4.06
Five to ten years		75,966		77,962		4.38
Beyond ten years		388,888		384,862		3.59
Total	$	525,718	$	524,597		3.74	%

The following table summarizes the available-for-sale investment securities with unrealized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrealized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,257	$	(55	)	$	—	$	—		$	5,257	$	(55	)
U.S. government-sponsored entities and agencies		178,133		(3,476	)		390,097		(11,937	)		568,230		(15,413	)
Mortgage-backed securities - Agency		728,486		(20,942	)		657,333		(34,669	)		1,385,819		(55,611	)
States and political subdivisions		278,063		(3,761	)		8,239		(253	)		286,302		(4,014	)
Pooled trust preferred securities		—		—			8,205		(5,682	)		8,205		(5,682	)
Other securities		186,479		(3,599	)		110,953		(2,653	)		297,432		(6,252	)
Total available-for-sale	$	1,376,418	$	(31,833	)	$	1,174,827	$	(55,194	)	$	2,551,245	$	(87,027	)
December 31, 2017
Available-for-Sale
U.S. Treasury	$	1,480	$	(5	)	$	—	$	—		$	1,480	$	(5	)
U.S. government-sponsored entities and agencies		201,773		(1,333	)		408,493		(10,027	)		610,266		(11,360	)
Mortgage-backed securities - Agency		789,804		(8,692	)		774,825		(29,240	)		1,564,629		(37,932	)
States and political subdivisions		196,024		(1,899	)		90,637		(2,828	)		286,661		(4,727	)
Pooled trust preferred securities		—		—			8,448		(8,157	)		8,448		(8,157	)
Other securities		61,260		(429	)		125,517		(1,712	)		186,777		(2,141	)
Total available-for-sale	$	1,250,341	$	(12,358	)	$	1,407,920	$	(51,964	)	$	2,658,261	$	(64,322	)

The following table summarizes the held-to-maturity investment securities with unrecognized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrecognized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses
June 30, 2018
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	—	$	—		$	71,284	$	(5,716	)	$	71,284	$	(5,716	)
Mortgage-backed securities - Agency		35,489		(992	)		99,239		(9,029	)		134,728		(10,021	)
States and political subdivisions		36,231		(1,466	)		70,130		(3,692	)		106,361		(5,158	)
Total held-to-maturity	$	71,720	$	(2,458	)	$	240,653	$	(18,437	)	$	312,373	$	(20,895	)
December 31, 2017
Held-to-Maturity
States and political subdivisions	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)
Total held-to-maturity	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)

The unrecognized losses on held-to-maturity investment securities presented in the table above include unrecognized losses on securities that were transferred from available-for-sale to held-to-maturity totaling $12.5 million at June 30, 2018. There were no unrecognized losses on securities that were transferred from available-for-sale to held-to-maturity at December 31, 2017.

Management evaluates securities for OTTI at least on a quarterly basis, and more frequently when economic or market conditions warrant such an evaluation. Investment securities classified as available-for-sale or held-to-maturity are generally evaluated for OTTI under FASB ASC 320, Investments – Debt and Equity Securities. In determining OTTI under FASB ASC 320, management considers many factors, including: (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer, (3) whether the market decline was affected by macroeconomic conditions, and (4) whether the entity has the intent to sell the debt security or more likely than not will be required to sell the debt security before its anticipated recovery. The assessment of whether an other-than-temporary decline exists involves a high degree of subjectivity and judgment and is based on the information available to management at a point in time.

When OTTI occurs, the amount of the OTTI recognized in earnings depends on whether an entity intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss. If an entity intends to sell or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the OTTI shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date. Otherwise, the OTTI shall be separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total OTTI related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized in earnings. The amount of the total OTTI related to other factors shall be recognized in other comprehensive income, net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings shall become the new amortized cost basis of the investment.

There was no OTTI recorded during the six months ended June 30, 2018 or 2017.

At June 30, 2018, Old National’s securities portfolio consisted of 1,628 securities, 844 of which were in an unrealized loss position. The unrealized losses attributable to our U.S. Treasury, U.S. government-sponsored entities and agencies, agency mortgage-backed securities, states and political subdivisions, and other securities are the result of fluctuations in interest rates. Our pooled trust preferred securities are discussed below. At June 30, 2018, we had no intent to sell any securities that were in an unrealized loss position nor is it expected that we would be required to sell any securities.

Pooled Trust Preferred Securities

At June 30, 2018, our securities portfolio contained two pooled trust preferred securities with a fair value of $8.2 million and unrealized losses of $5.7 million. These securities are not subject to FASB ASC 325-10 and are evaluated using collateral-specific assumptions to estimate the expected future interest and principal cash flows. For the six months ended June 30, 2018 and 2017, our analysis indicated no OTTI on these securities.

During the first quarter of 2018, Old National sold a pooled trust security that fell within the scope of FASB ASC 325-10 (EITF 99-20). Proceeds from the sale were $1.8 million, which resulted in a loss of $0.9 million. Although Old National typically does not sell securities in an unrealized loss position, this security was sold because the final liquidation value was significantly higher than our assessment of value for this position.

The table below summarizes the relevant characteristics of our pooled trust preferred securities as well as our single issuer trust preferred securities that are included in the “other securities” category in this footnote. Each of the pooled trust preferred securities support a more senior tranche of security holders. Both pooled trust preferred securities have experienced credit defaults. However, these securities have excess subordination and are not other-than-temporarily impaired as a result of their class hierarchy, which provides more loss protection.

Trust preferred securities June 30, 2018 (dollars in thousands)	Class		Lowest Credit Rating (1)		Amortized Cost		Fair Value		Unrealized Gain/ (Loss)			Realized Losses 2018		# of Issuers Currently Performing/ Remaining		Actual Deferrals and Defaults as a % of Original Collateral			Expected Defaults as a % of Remaining Performing Collateral			Excess Subordination as a % of Current Performing Collateral
Pooled trust preferred securities:
Pretsl XXVII LTD		B		B	$	4,382	$	2,602	$	(1,780	)	$	—		35/44		16.7	%		4.2	%		46.1	%
Trapeza Ser 13A		A2A		BBB		9,505		5,603		(3,902	)		—		48/53		4.5	%		4.7	%		45.5	%
						13,887		8,205		(5,682	)		—
Single Issuer trust preferred securities:
JP Morgan Chase Cap XIII				BBB-		4,783		4,550		(233	)		—
Total					$	18,670	$	12,755	$	(5,915	)	$	—

(1) Lowest rating for the security provided by any nationally recognized credit rating agency.

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Loans Held for Sale

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Loans Held for Sale

NOTE 7 – LOANS HELD FOR SALE

Mortgage loans held for immediate sale in the secondary market were $26.2 million at June 30, 2018, compared to $17.9 million at December 31, 2017. Residential loans that Old National has originated with the intent to sell are recorded at fair value in accordance with FASB ASC 825-10, Financial Instruments. Conventional mortgage production is sold on a servicing retained basis. Certain loans, such as government guaranteed mortgage loans are sold on servicing released basis.

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Loans and Allowance for Loan Losses

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Loans and Allowance for Loan Losses

NOTE 8 – LOANS AND ALLOWANCE FOR LOAN LOSSES

Old National’s loans consist primarily of loans made to consumers and commercial clients in various industries including manufacturing, agribusiness, transportation, mining, wholesaling, and retailing. Most of Old National’s lending activity occurs within our principal geographic markets of Indiana, Kentucky, Michigan, Wisconsin, and Minnesota. Old National manages concentrations of credit exposure by industry, product, geography, customer relationship, and loan size. While loans to lessors of both residential and non-residential real estate exceed 10% of total loans, no individual sub-segment category within those broader categories reaches the 10% threshold.

The composition of loans by lending classification was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial (1)	$	2,962,895		$	2,717,269
Commercial real estate:
Construction		490,990			374,306
Other		3,960,782			3,980,246
Residential real estate		2,153,973			2,167,053
Consumer credit:
Home equity		488,038			507,507
Auto		1,099,745			1,148,672
Other		139,206			223,068
Total loans		11,295,629			11,118,121
Allowance for loan losses		(53,660	)		(50,381	)
Net loans	$	11,241,969		$	11,067,740

(1) Includes direct finance leases of $24.8 million at June 30, 2018 and $29.5 million at December 31, 2017.

The risk characteristics of each loan portfolio segment are as follows:

Commercial

Commercial loans are primarily based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the assets being financed or other business assets such as accounts receivable or inventory and may incorporate a personal guarantee; however, some loans may be made on an unsecured basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial Real Estate

These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate lending typically involves higher loan principal amounts, and the repayment of these loans is generally dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may be adversely affected by conditions in the real estate markets or in the general economy. The properties securing Old National’s commercial real estate portfolio are diverse in terms of type and geographic location. Management monitors and evaluates commercial real estate loans based on collateral, geography and risk grade criteria. In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner occupied loans.

Included with commercial real estate are construction loans, which are underwritten utilizing independent appraisal reviews, sensitivity analysis of absorption and lease rates, financial analysis of the developers and property owners, and feasibility studies, if available. Construction loans are generally based on estimates of costs and value associated with the complete project. These estimates may be inaccurate. Construction loans often involve the disbursement of substantial funds with repayment substantially dependent on the success of the ultimate project. Sources of repayment for these types of loans may be pre-committed permanent loans from approved long-term lenders (including Old National), sales of developed property, or an interim loan commitment from Old National until permanent financing is obtained. These loans are closely monitored by on-site inspections and are considered to have higher risks than other real estate loans due to their ultimate repayment being sensitive to interest rate changes, governmental regulation of real property, general economic conditions, and the availability of long-term financing.

The acquisition of Anchor (MN) on November 1, 2017 added $864.4 million of commercial real estate loans to our portfolio. At 208%, Old National Bank’s commercial real estate loans as a percentage of its risk-based capital remained well below the regulatory guideline limit of 300% at June 30, 2018.

Residential

With respect to residential loans that are secured by 1-4 family residences and are generally owner occupied, Old National typically establishes a maximum loan-to-value ratio and generally requires private mortgage insurance if that ratio is exceeded. Repayment of these loans is primarily dependent on the personal income of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment can also be impacted by changes in residential property values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers.

Consumer

Home equity loans are typically secured by a subordinate interest in 1-4 family residences, and consumer loans are secured by consumer assets such as automobiles or recreational vehicles. Some consumer loans are unsecured such as small installment loans and certain lines of credit. Repayment of these loans is primarily dependent on the personal income of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment can also be impacted by changes in residential property or other collateral values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers. Old National assumed student loans in the acquisition of Anchor (WI) in May 2016. Student loans are guaranteed by the government from 97% to 100% and totaled $68.2 million at December 31, 2017. Old National sold the remaining student loan portfolio totaling $64.9 million during the second quarter of 2018, resulting in a $2.2 million gain that is included in other income on the income statement.

Allowance for Loan Losses

The allowance for loan losses is maintained at a level believed adequate by management to absorb probable losses incurred in the consolidated loan portfolio. Management’s evaluation of the adequacy of the allowance is an estimate based on reviews of individual loans, pools of homogeneous loans, assessments of the impact of current and anticipated economic conditions on the portfolio, and historical loss experience. The allowance is increased through a provision charged to operating expense. Loans deemed to be uncollectible are charged to the allowance. Recoveries of loans previously charged-off are added to the allowance.

We utilize a PD and LGD model as a tool to determine the adequacy of the allowance for loan losses for performing commercial and commercial real estate loans. The PD is forecast using a transition matrix to determine the likelihood of a customer’s AQR migrating from its current AQR to any other status within the time horizon. Transition rates are measured using Old National’s own historical experience. The model assumes that recent historical transition rates will continue into the future. The LGD is defined as credit loss incurred when an obligor of the bank defaults. The sum of all net charge-offs for a particular portfolio segment are divided by all loans that have defaulted over a given period of time. The expected loss derived from the model considers the PD, LGD, and exposure at default. Additionally, qualitative factors, such as changes in lending policies or procedures, and economic business conditions are also considered.

We use historic loss ratios adjusted for economic conditions to determine the appropriate level of allowance for residential real estate and consumer loans.

No allowance was brought forward on any of the acquired loans as any credit deterioration evident in the loans was included in the determination of the fair value of the loans at the acquisition date. An allowance for loan losses will be established for any subsequent credit deterioration or adverse changes in expected cash flows.

Old National’s activity in the allowance for loan losses for the three and six months ended June 30, 2018 and 2017 was as follows:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	19,591		$	20,796		$	1,763		$	8,231		$	50,381
Charge-offs		(472	)		(430	)		(295	)		(1,857	)		(3,054	)
Recoveries		249			583			1,697			1,358			3,887
Provision		2,019			1,549			(1,298	)		176			2,446
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Three Months Ended June 30, 2017
Balance at beginning of period	$	22,108		$	17,953		$	1,736		$	8,037		$	49,834
Charge-offs		(411	)		(1,068	)		(313	)		(1,588	)		(3,380	)
Recoveries		789			1,522			28			838			3,177
Provision		(2,121	)		2,247			360			869			1,355
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986
Six Months Ended June 30, 2018
Balance at beginning of period	$	19,246		$	21,436		$	1,763		$	7,936		$	50,381
Charge-offs		(717	)		(433	)		(657	)		(3,932	)		(5,739	)
Recoveries		760			1,067			1,845			2,520			6,192
Provision		2,098			428			(1,084	)		1,384			2,826
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Six Months Ended June 30, 2017
Balance at beginning of period	$	21,481		$	18,173		$	1,643		$	8,511		$	49,808
Charge-offs		(881	)		(1,636	)		(727	)		(3,375	)		(6,619	)
Recoveries		1,392			2,747			107			1,849			6,095
Provision		(1,627	)		1,370			788			1,171			1,702
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986

The following table provides Old National’s recorded investment in loans by portfolio segment at June 30, 2018 and December 31, 2017 and other information regarding the allowance:

(dollars in thousands)	Commercial		Commercial Real Estate		Residential		Consumer		Total
June 30, 2018
Allowance for loan losses:
Individually evaluated for impairment	$	5,871	$	8,162	$	—	$	—	$	14,033
Collectively evaluated for impairment		15,409		14,267		1,865		7,760		39,301
Loans acquired with deteriorated credit quality		107		69		2		148		326
Total allowance for loan losses	$	21,387	$	22,498	$	1,867	$	7,908	$	53,660
Loans and leases outstanding:
Individually evaluated for impairment	$	34,055	$	75,320	$	—	$	—	$	109,375
Collectively evaluated for impairment		2,924,481		4,355,891		2,143,658		1,722,747		11,146,777
Loans acquired with deteriorated credit quality		4,359		20,561		10,315		4,242		39,477
Total loans and leases outstanding	$	2,962,895	$	4,451,772	$	2,153,973	$	1,726,989	$	11,295,629
December 31, 2017
Allowance for loan losses:
Individually evaluated for impairment	$	3,424	$	6,654	$	—	$	—	$	10,078
Collectively evaluated for impairment		15,790		14,782		1,763		7,802		40,137
Loans acquired with deteriorated credit quality		32		—		—		134		166
Total allowance for loan losses	$	19,246	$	21,436	$	1,763	$	7,936	$	50,381
Loans and leases outstanding:
Individually evaluated for impairment	$	26,270	$	66,061	$	—	$	—	$	92,331
Collectively evaluated for impairment		2,685,847		4,266,665		2,155,750		1,874,002		10,982,264
Loans acquired with deteriorated credit quality		5,152		21,826		11,303		5,245		43,526
Total loans and leases outstanding	$	2,717,269	$	4,354,552	$	2,167,053	$	1,879,247	$	11,118,121

Credit Quality

Old National’s management monitors the credit quality of its loans in an on-going manner. Internally, management assigns an AQR to each non-homogeneous commercial and commercial real estate loan in the portfolio, with the exception of certain FICO-scored small business loans. The primary determinants of the AQR are based upon the reliability of the primary source of repayment and the past, present, and projected financial condition of the borrower. The AQR will also consider current industry conditions. Major factors used in determining the AQR can vary based on the nature of the loan, but commonly include factors such as debt service coverage, internal cash flow, liquidity, leverage, operating performance, debt burden, FICO scores, occupancy, interest rate sensitivity, and expense burden. Old National uses the following definitions for risk ratings:

Criticized. Special mention loans that have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

Classified – Substandard. Loans classified as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

Classified – Nonaccrual. Loans classified as nonaccrual have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, in doubt.

Classified – Doubtful. Loans classified as doubtful have all the weaknesses inherent in those classified as nonaccrual, with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

Pass rated loans are those loans that are other than criticized, classified – substandard, classified – nonaccrual, or classified – doubtful.

The risk category of commercial and commercial real estate loans by class of loans at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Commercial				Commercial Real Estate - Construction				Commercial Real Estate - Other
Corporate Credit Exposure Credit Risk Profile by Internally Assigned Grade	June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017
Grade:
Pass	$	2,815,085	$	2,577,824	$	467,663	$	357,438	$	3,765,884	$	3,762,896
Criticized		70,168		74,876		14,882		14,758		69,841		98,451
Classified - substandard		41,382		37,367		—		—		62,595		58,584
Classified - nonaccrual		29,390		24,798		8,445		2,110		28,376		30,108
Classified - doubtful		6,870		2,404		—		—		34,086		30,207
Total	$	2,962,895	$	2,717,269	$	490,990	$	374,306	$	3,960,782	$	3,980,246

Old National considers the performance of the loan portfolio and its impact on the allowance for loan losses. For residential and consumer loan classes, Old National also evaluates credit quality based on the aging status of the loan and by payment activity. The following table presents the recorded investment in residential and consumer loans based on payment activity at June 30, 2018 and December 31, 2017:

			Consumer
(dollars in thousands)	Residential		Home Equity		Auto		Other
June 30, 2018
Performing	$	2,130,775	$	483,350	$	1,097,256	$	137,666
Nonperforming		23,198		4,688		2,489		1,540
Total	$	2,153,973	$	488,038	$	1,099,745	$	139,206
December 31, 2017
Performing	$	2,144,882	$	502,322	$	1,145,977	$	217,819
Nonperforming		22,171		5,185		2,695		5,249
Total	$	2,167,053	$	507,507	$	1,148,672	$	223,068

Impaired Loans

Large commercial credits are subject to individual evaluation for impairment. Retail credits and other small balance credits that are part of a homogeneous group are not tested for individual impairment unless they are modified as a TDR. A loan is considered impaired when it is probable that contractual interest and principal payments will not be collected either for the amounts or by the dates as scheduled in the loan agreement. If a loan is impaired, a portion of the allowance is allocated so that the loan is reported net, at the present value of estimated cash flows using the loan’s existing rate or at the fair value of collateral if repayment is expected solely from the collateral. Old National’s policy, for all but PCI loans, is to recognize interest income on impaired loans unless the loan is placed on nonaccrual status.

The following table shows Old National’s impaired loans at June 30, 2018 and December 31, 2017, respectively. Only purchased loans that have experienced subsequent impairment since the date acquired (excluding loans acquired with deteriorated credit quality) are included in the table below.

(dollars in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance
June 30, 2018
With no related allowance recorded:
Commercial	$	19,587	$	20,337	$	—
Commercial Real Estate - Other		44,862		48,214		—
Residential		2,271		2,292		—
Consumer		1,483		1,601		—
With an allowance recorded:
Commercial		14,468		14,520		5,871
Commercial Real Estate - Construction		8,445		9,249		2,680
Commercial Real Estate - Other		22,013		22,065		5,482
Residential		935		935		47
Consumer		1,917		1,917		96
Total	$	115,981	$	121,130	$	14,176
December 31, 2017
With no related allowance recorded:
Commercial	$	20,557	$	21,483	$	—
Commercial Real Estate - Other		38,678		44,564		—
Residential		2,443		2,464		—
Consumer		1,685		2,105		—
With an allowance recorded:
Commercial		5,713		5,713		3,424
Commercial Real Estate - Construction		905		1,371		401
Commercial Real Estate - Other		26,478		26,902		6,253
Residential		870		870		44
Consumer		2,211		2,228		110
Total	$	99,540	$	107,700	$	10,232

The average balance of impaired loans during the three and six months ended June 30, 2018 and 2017 are included in the table below.

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars in thousands)	2018		2017		2018		2017
Average Recorded Investment
With no related allowance recorded:
Commercial	$	20,228	$	25,817	$	20,073	$	26,038
Commercial Real Estate - Other		43,893		34,682		41,771		32,598
Residential		2,189		2,376		2,274		2,121
Consumer		1,741		1,717		1,722		1,420
With an allowance recorded:
Commercial		11,846		8,448		10,091		7,996
Commercial Real Estate - Construction		4,675		—		4,675		—
Commercial Real Estate - Other		21,439		22,916		24,246		28,911
Residential		942		1,147		918		1,125
Consumer		1,970		2,069		2,050		2,021
Total	$	108,923	$	99,172	$	107,820	$	102,230

Old National does not record interest on nonaccrual loans until principal is recovered. Interest income recognized on impaired loans during the three and six months ended June 30, 2018 and 2017 was immaterial.

For all loan classes, a loan is generally placed on nonaccrual status when principal or interest becomes 90 days past due unless it is well secured and in the process of collection, or earlier when concern exists as to the ultimate collectibility of principal or interest. Interest accrued during the current year on such loans is reversed against earnings. Interest accrued in the prior year, if any, is charged to the allowance for loan losses. Cash interest received on these loans is applied to the principal balance until the principal is recovered or until the loan returns to accrual status. Loans may be returned to accrual status when all the principal and interest amounts contractually due are brought current, remain current for a prescribed period, and future payments are reasonably assured.

Loans accounted for under FASB ASC Topic 310-30 accrue interest, even though they may be contractually past due, as any nonpayment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period loan loss provision or prospective yield adjustments.

Old National’s past due financing receivables at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	30-59 Days Past Due		60-89 Days Past Due		Past Due 90 Days or More and Accruing		Nonaccrual (1)		Total Past Due		Current
June 30, 2018
Commercial	$	1,118	$	3	$	85	$	36,260	$	37,466	$	2,925,429
Commercial Real Estate:
Construction		—		—		—		8,445		8,445		482,545
Other		378		953		—		62,462		63,793		3,896,989
Residential		21,871		4,563		389		23,198		50,021		2,103,952
Consumer:
Home equity		780		1,043		627		4,688		7,138		480,900
Auto		5,584		1,259		319		2,489		9,651		1,090,094
Other		330		379		155		1,540		2,404		136,802
Total loans	$	30,061	$	8,200	$	1,575	$	139,082	$	178,918	$	11,116,711
December 31, 2017
Commercial	$	986	$	360	$	144	$	27,202	$	28,692	$	2,688,577
Commercial Real Estate:
Construction		—		—		—		2,110		2,110		372,196
Other		2,247		89		—		60,315		62,651		3,917,595
Residential		18,948		3,416		—		22,171		44,535		2,122,518
Consumer:
Home equity		1,467		230		68		5,185		6,950		500,557
Auto		6,487		1,402		532		2,695		11,116		1,137,556
Other		3,967		1,514		150		5,249		10,880		212,188
Total loans	$	34,102	$	7,011	$	894	$	124,927	$	166,934	$	10,951,187

(1) Includes purchased credit impaired loans of $11.3 million at June 30, 2018 and $12.6 million at December 31, 2017 that are categorized as nonaccrual for credit analysis purposes because the collection of principal or interest is doubtful. However, these loans are accounted for under FASB ASC 310-30 and accordingly treated as performing assets.

Loan Participations

Old National has loan participations, which qualify as participating interests, with other financial institutions. At June 30, 2018, these loans totaled $820.2 million, of which $412.8 million had been sold to other financial institutions and $407.4 million was retained by Old National. The loan participations convey proportionate ownership rights with equal priority to each participating interest holder; involve no recourse (other than ordinary representations and warranties) to, or subordination by, any participating interest holder; all cash flows are divided among the participating interest holders in proportion to each holder’s share of ownership; and no holder has the right to pledge the entire financial asset unless all participating interest holders agree.

Troubled Debt Restructurings

Old National may choose to restructure the contractual terms of certain loans. The decision to restructure a loan, versus aggressively enforcing the collection of the loan, may benefit Old National by increasing the ultimate probability of collection.

Any loans that are modified are reviewed by Old National to identify if a TDR has occurred, which is when for economic or legal reasons related to a borrower’s financial difficulties, Old National Bank grants a concession to the borrower that it would not otherwise consider. Terms may be modified to fit the ability of the borrower to repay in line with its current financial status. The modification of the terms of such loans include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the maturity date at a stated rate of interest lower than the current market rate of new debt with similar risk, or a permanent reduction of the recorded investment of the loan.

Loans modified in a TDR are typically placed on nonaccrual status until we determine the future collection of principal and interest is reasonably assured, which generally requires that the borrower demonstrate a period of performance according to the restructured terms for six months.

If we are unable to resolve a nonperforming loan issue, the credit will be charged off when it is apparent there will be a loss. For large commercial type loans, each relationship is individually analyzed for evidence of apparent loss based on quantitative benchmarks or subjectively based upon certain events or particular circumstances. Generally, Old National charges off small commercial loans scored through our small business credit center with contractual balances under $250,000 that are 90 days or more delinquent and do not have adequate collateral support. For residential and consumer loans, a charge off is recorded at the time foreclosure is initiated or when the loan becomes 120 to 180 days past due, whichever is earlier.

For commercial TDRs, an allocated reserve is established within the allowance for loan losses for the difference between the carrying value of the loan and its computed value. To determine the value of the loan, one of the following methods is selected: (1) the present value of expected cash flows discounted at the loan’s original effective interest rate, (2) the loan’s observable market price, or (3) the fair value of the collateral value, if the loan is collateral dependent. The allocated reserve is established as the difference between the carrying value of the loan and the collectable value. If there are significant changes in the amount or timing of the loan’s expected future cash flows, impairment is recalculated and the valuation allowance is adjusted accordingly.

When a residential or consumer loan is identified as a TDR, the loan is typically written down to its collateral value less selling costs.

The following table presents activity in TDRs for the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Six Months Ended June 30, 2018
Balance at beginning of period	$	12,088		$	34,705		$	3,315		$	3,895		$	54,003
(Charge-offs)/recoveries		(151	)		(22	)		23			(22	)		(172	)
Payments		(3,978	)		(969	)		(69	)		(907	)		(5,923	)
Additions		1,084			1,213			502			432			3,231
Balance at end of period	$	9,043		$	34,927		$	3,771		$	3,398		$	51,139
Six Months Ended June 30, 2017
Balance at beginning of period	$	16,802		$	18,327		$	2,985		$	2,602		$	40,716
(Charge-offs)/recoveries		(64	)		360			—			(97	)		199
Payments		(6,116	)		(3,057	)		(283	)		(785	)		(10,241	)
Additions		9,442			17,429			938			1,924			29,733
Balance at end of period	$	20,064		$	33,059		$	3,640		$	3,644		$	60,407

TDRs included with nonaccrual loans totaled $34.0 million at June 30, 2018 and December 31, 2017. Old National has allocated specific reserves to customers whose loan terms have been modified in TDRs totaling $4.8 million at June 30, 2018 and $5.7 million at December 31, 2017. At June 30, 2018, Old National had committed to lend an additional $4.0 million to customers with outstanding loans that are classified as TDRs.

The pre-modification and post-modification outstanding recorded investments of loans modified as TDRs during the six months ended June 30, 2018 and 2017 are the same except for when the loan modifications involve the forgiveness of principal. The following table presents loans by class modified as TDRs that occurred during the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment
Six Months Ended June 30, 2018
TDR:
Commercial		2	$	1,084	$	1,084
Commercial Real Estate - Other		2		1,213		1,213
Residential		1		502		502
Consumer		1		432		432
Total		6	$	3,231	$	3,231
Six Months Ended June 30, 2017
TDR:
Commercial		6	$	9,442	$	9,442
Commercial Real Estate - Other		10		17,429		17,429
Residential		6		938		938
Consumer		5		1,924		1,924
Total		27	$	29,733	$	29,733

The TDRs that occurred during the six months ended June 30, 2018 did not have a material impact on the allowance for loan losses and resulted in no charge-offs during the six months ended June 30, 2018. The TDRs that occurred during the six months ended June 30, 2017 increased the allowance for loan losses by $3.4 million and resulted in no charge-offs.

A loan is considered to be in payment default once it is 90 days contractually past due under the modified terms.

TDRs for which there was a payment default within twelve months following the modification were insignificant during the six months ended June 30, 2018 and 2017.

The terms of certain other loans were modified during 2018 that did not meet the definition of a TDR. It is our process to review all classified and criticized loans that, during the period, have been renewed, have entered into a forbearance agreement, have gone from principal and interest to interest only, or have extended the maturity date. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed of the probability that the borrower will be in payment default on its debt in the foreseeable future without the modification. The evaluation is performed under our internal underwriting policy. We also evaluate whether a concession has been granted or if we were adequately compensated through a market interest rate, additional collateral or a bona fide guarantee. We also consider whether the modification was insignificant relative to the other terms of the agreement or the delay in a payment.

PCI loans are not considered impaired until after the point at which there has been a degradation of cash flows below our expected cash flows at acquisition. If a PCI loan is subsequently modified, and meets the definition of a TDR, it will be removed from PCI accounting and accounted for as a TDR only if the PCI loan was being accounted for individually. If the PCI loan is being accounted for as part of a pool, it will not be removed from the pool. As of June 30, 2018, it has not been necessary to remove any loans from PCI accounting.

In general, once a modified loan is considered a TDR, the loan will always be considered a TDR, and therefore impaired, until it is paid in full, otherwise settled, sold or charged off. However, guidance also permits for loans to be removed from TDR status when subsequently restructured under these circumstances: (1) at the time of the subsequent restructuring, the borrower is not experiencing financial difficulties, and this is documented by a current credit evaluation at the time of the restructuring, (2) under the terms of the subsequent restructuring agreement, the institution has granted no concession to the borrower; and (3) the subsequent restructuring agreement includes market terms that are no less favorable than those that would be offered for a comparable new loan. For loans subsequently restructured that have cumulative principal forgiveness, the loan should continue to be measured in accordance with ASC 310-10, Receivables – Overall. However, consistent with ASC 310-40-50-2, Troubled Debt Restructurings by Creditors, Creditor Disclosure of Troubled Debt Restructurings, the loan would not be required to be reported in the years following the restructuring if the subsequent restructuring meets both of these criteria: (1) has an interest rate at the time of the subsequent restructuring that is not less than a market interest rate; and (2) is performing in compliance with its modified terms after the subsequent restructuring.

Purchased Credit Impaired Loans

Purchased loans acquired in a business combination are recorded at estimated fair value on their purchase date with no carryover of the related allowance for loan and lease losses. In determining the estimated fair value of purchased loans, management considers a number of factors including, among others, the remaining life of the acquired loans, estimated prepayments, estimated loss ratios, estimated value of the underlying collateral, and net present value of cash flows expected to be received. Purchased loans are accounted for in accordance with guidance for certain loans acquired in a transfer (ASC 310-30), when the loans have evidence of credit deterioration since origination and it is probable at the date of acquisition that the acquirer will not collect all contractually required principal and interest payments. The difference between contractually required payments and the cash flows expected to be collected at acquisition is referred to as the non-accretable difference. Subsequent decreases to the expected cash flows will generally result in a provision for loan and lease losses. Subsequent increases in expected cash flows will result in a reversal of the provision for loan losses to the extent of prior charges and then an adjustment to accretable yield, which would have a positive impact on interest income prospectively.

Old National has purchased loans for which there was, at acquisition, evidence of deterioration of credit quality since origination and it was probable, at acquisition, that all contractually required payments would not be collected. For these loans that meet the criteria of ASC 310-30 treatment, the carrying amount was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial	$	4,359		$	5,152
Commercial real estate		20,561			21,826
Residential		4,242			11,303
Consumer		10,315			5,245
Carrying amount		39,477			43,526
Allowance for loan losses		(326	)		(166	)
Carrying amount, net of allowance	$	39,151		$	43,360

The outstanding balance of loans accounted for under ASC 310-30, including contractual principal, interest, fees and penalties, was $240.9 million at June 30, 2018 and $235.9 million at December 31, 2017.

The accretable difference on PCI loans is the difference between the expected cash flows and the net present value of expected cash flows with such difference accreted into earnings using the effective yield method over the term of the loans. Accretion recorded as loan interest income totaled $7.1 million during the six months ended June 30, 2018 and $7.3 million during the six months ended June 30, 2017. Improvement in cash flow expectations has resulted in a reclassification from nonaccretable difference to accretable yield as shown in the table below.

Accretable yield of PCI loans, or income expected to be collected, is as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	27,835		$	33,603
Accretion of income		(7,073	)		(7,330	)
Reclassifications from (to) nonaccretable difference		3,466			594
Disposals/other adjustments		21			183
Balance at end of period	$	24,249		$	27,050

Included in Old National’s allowance for loan losses is $0.3 million related to the purchased loans disclosed above at June 30, 2018 and $0.2 million at December 31, 2017.

PCI loans purchased during 2017 for which it was probable at acquisition that all contractually required payments would not be collected were as follows:

(dollars in thousands)	Anchor (MN) (1)
Contractually required payments	$	16,898
Nonaccretable difference		(4,787	)
Cash flows expected to be collected at acquisition		12,111
Accretable yield		(1,556	)
Fair value of acquired loans at acquisition	$	10,555

(1) Old National acquired Anchor (MN) effective November 1, 2017.

Income would not be recognized on certain purchased loans if Old National could not reasonably estimate cash flows to be collected. Old National had no purchased loans for which it could not reasonably estimate cash flows to be collected.

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Other Real Estate Owned

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Other Real Estate Owned

NOTE 9 – OTHER REAL ESTATE OWNED

The following table presents activity in other real estate owned for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	8,810		$	18,546
Additions		1,175			950
Sales		(5,625	)		(6,552	)
Impairment		(631	)		(1,873	)
Balance at end of period (1)	$	3,729		$	11,071

(1) Includes repossessed personal property of $0.3 million at June 30, 2018 and $0.2 million at June 30, 2017.

At June 30, 2018, foreclosed residential real estate property included in the table above totaled $1.3 million. At June 30, 2018, consumer mortgage loans collateralized by residential real property that were in the process of foreclosure totaled $6.3 million.

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Premises and Equipment

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Premises and Equipment

NOTE 10 – PREMISES AND EQUIPMENT

The composition of premises and equipment at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Land	$	70,628		$	73,046
Buildings		339,378			343,833
Furniture, fixtures, and equipment		98,793			94,254
Leasehold improvements		40,165			38,918
Total		548,964			550,051
Accumulated depreciation		(99,660	)		(91,977	)
Premises and equipment, net	$	449,304		$	458,074

Depreciation expense was $5.9 million for the three months ended June 30, 2018 and $11.8 million for the six months ended June 30, 2018, compared to $5.2 million for the three months ended June 30, 2017 and $10.4 million for the six months ended June 30, 2017.

Operating Leases

Old National rents certain premises and equipment under operating leases, which expire at various dates. Many of these leases require the payment of property taxes, insurance premiums, maintenance, and other costs. In some cases, rentals are subject to increase in relation to a cost-of-living index. The leases have original terms ranging from two years and six months to twenty-five years, and Old National has the right, at its option, to extend the terms of certain leases for four additional successive terms of five years. Old National does not have any material sub-lease agreements. Rent expense was $4.5 million for the three months ended June 30, 2018 and $8.9 million for the six months ended June 30, 2018, compared to $3.8 million for the three months ended June 30, 2017 and $7.7 million for the six months ended June 30, 2017.

Old National had deferred gains remaining associated with prior sale leaseback transactions totaling $7.3 million at June 30, 2018 and $8.2 million at December 31, 2017. The gains will be recognized over the remaining term of the leases. The leases had original terms ranging from five to twenty-four years.

Capital Leases

Old National leases two branch buildings and certain equipment under capital leases. See Note 16 to the consolidated financial statements for detail regarding these leases.

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

NOTE 11 – GOODWILL AND OTHER INTANGIBLE ASSETS

The following table shows the changes in the carrying amount of goodwill for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	828,051	$	655,018
Acquisition adjustments		753		—
Balance at end of period	$	828,804	$	655,018

Goodwill is reviewed annually for impairment. No events or circumstances since the August 31, 2017 annual impairment test were noted that would indicate it was more likely than not a goodwill impairment exists. During the six months ended June 30, 2018, Old National recorded a $0.8 million increase to goodwill associated with the acquisition of Anchor (MN).

The gross carrying amount and accumulated amortization of other intangible assets at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization and Impairment			Net Carrying Amount
June 30, 2018
Core deposit	$	108,268	$	(69,065	)	$	39,203
Customer trust relationships		16,547		(10,333	)		6,214
Total intangible assets	$	124,815	$	(79,398	)	$	45,417
December 31, 2017
Core deposit	$	108,923	$	(62,874	)	$	46,049
Customer trust relationships		16,547		(9,533	)		7,014
Customer loan relationships		4,413		(4,380	)		33
Total intangible assets	$	129,883	$	(76,787	)	$	53,096

Other intangible assets consist of core deposit intangibles and customer relationship intangibles and are being amortized primarily on an accelerated basis over their estimated useful lives, generally over a period of 5 to 15 years. During the six months ended June 30, 2018, Old National recorded a $0.7 million decrease to core deposit intangibles related to the updated valuation associated with the acquisition of Anchor (MN).

Old National reviews other intangible assets for possible impairment whenever events or changes in circumstances indicate that carrying amounts may not be recoverable. No impairment charges were recorded during the six months ended June 30, 2018 or 2017. Total amortization expense associated with intangible assets was $7.0 million for the six months ended June 30, 2018 and $5.8 million for the six months ended June 30, 2017.

Estimated amortization expense for future years is as follows:

(dollars in thousands)
2018 remaining	$	6,399
2019		11,010
2020		8,672
2021		6,417
2022		4,595
Thereafter		8,324
Total	$	45,417

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Loan Servicing Rights

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Loan Servicing Rights

NOTE 12 – LOAN SERVICING RIGHTS

At June 30, 2018, loan servicing rights derived from loans sold with servicing retained totaled $24.3 million, compared to $24.7 million at December 31, 2017. Loans serviced for others are not reported as assets. The principal balance of loans serviced for others was $3.306 billion at June 30, 2018, compared to $3.321 billion at December 31, 2017. Approximately 99.7% of the loans serviced for others at June 30, 2018 were residential mortgage loans. Custodial escrow balances maintained in connection with serviced loans were $37.8 million at June 30, 2018 and $8.9 million at December 31, 2017.

The following table summarizes the carrying values and activity related to loan servicing rights and the related valuation allowance for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	24,690		$	25,629
Additions		1,951			1,976
Amortization		(2,323	)		(2,507	)
Balance before valuation allowance at end of period		24,318			25,098
Valuation allowance:
Balance at beginning of period		(29	)		(68	)
(Additions)/recoveries		14			(7	)
Balance at end of period		(15	)		(75	)
Loan servicing rights, net	$	24,303		$	25,023

At June 30, 2018, the fair value of servicing rights was $27.0 million, which was determined using a discount rate of 13% and a weighted average prepayment speed of 115% PSA. At December 31, 2017, the fair value of servicing rights was $25.8 million, which was determined using a discount rate of 13% and a weighted average prepayment speed of 140% PSA.

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Qualified Affordable Housing Projects and Other Tax Credit Investments

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Qualified Affordable Housing Projects and Other Tax Credit Investments

NOTE 13 – QUALIFIED AFFORDABLE HOUSING PROJECTS AND OTHER TAX CREDIT INVESTMENTS

Old National is a limited partner in several tax-advantaged limited partnerships whose purpose is to invest in approved qualified affordable housing, renewable energy, or other renovation or community revitalization projects. As of June 30, 2018, Old National expects to recover its remaining investments using the tax credits that are generated by the investments.

The following table summarizes Old National’s investments in qualified affordable housing projects and other tax credit investments at June 30, 2018 and December 31, 2017:

(dollars in thousands)		June 30, 2018				December 31, 2017
Investment	Accounting Method	Investment		Unfunded Commitment (1)		Investment		Unfunded Commitment
LIHTC	Proportional amortization	$	29,802	$	6,719	$	31,183	$	15,553
FHTC	Equity		5,201		10,710		10,645		12,040
CReED	Equity		704		1,502		704		1,502
Renewable Energy	Equity		15,136		18,588		22,364		19,771
Total		$	50,843	$	37,519	$	64,896	$	48,866

(1) All commitments will be paid by Old National by 2027.

The following table summarizes the amortization expense and tax benefit recognized for Old National’s qualified affordable housing projects and other tax credit investments for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Amortization Expense (1)		Tax Expense (Benefit) Recognized (2)
Three Months Ended June 30, 2018
LIHTC	$	643	$	(831	)
FHTC		5,444		(1,948	)
Renewable Energy		6,414		(2,882	)
Total	$	12,501	$	(5,661	)
Three Months Ended June 30, 2017
LIHTC	$	940	$	(1,298	)
FHTC		—		(1,519	)
CReED (3)		—		(606	)
Total	$	940	$	(3,423	)
Six Months Ended June 30, 2018
LIHTC	$	1,282	$	(1,662	)
FHTC		5,444		(3,896	)
Renewable Energy		7,129		(6,296	)
Total	$	13,855	$	(11,854	)
Six Months Ended June 30, 2017
LIHTC	$	1,881	$	(2,595	)
FHTC		—		(3,039	)
CReED (3)		—		(606	)
Total	$	1,881	$	(6,240	)

(1) The amortization expense for the LIHTC investments is included in our income tax expense. The amortization expense for the FHTC and Renewable Energy tax credits is included in noninterest expense.

(2) All of the tax benefits recognized are included in our income tax expense. The tax benefit recognized for the FHTC and Renewable Energy investments primarily reflects the tax credits generated from the investments, and excludes the net tax expense (benefit) of the investments’ income (loss).

(3) The CReED tax credit investment qualifies for an Indiana state tax credit.

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Securities Sold Under Agreements to Repurchase

6 Months Ended

Jun. 30, 2018

Transfers and Servicing [Abstract]

Securities Sold Under Agreements to Repurchase

NOTE 14 – SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE

Securities sold under agreements to repurchase are secured borrowings. Old National pledges investment securities to secure these borrowings. The following table presents securities sold under agreements to repurchase and related weighted-average interest rates at or for the six months ended June 30:

(dollars in thousands)	2018			2017
Outstanding at June 30,	$	347,511		$	298,094
Average amount outstanding		337,612			330,285
Maximum amount outstanding at any month-end		347,511			351,897
Weighted average interest rate:
During the six months ended June 30,		0.47	%		0.36	%
At June 30,		0.59			0.41

The following table presents the contractual maturity of our secured borrowings and class of collateral pledged:

	At June 30, 2018
	Remaining Contractual Maturity of the Agreements
(dollars in thousands)	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 days		Total
Repurchase Agreements:
U.S. Treasury and agency securities	$	347,511	$	—	$	—	$	—	$	347,511
Total	$	347,511	$	—	$	—	$	—	$	347,511

The fair value of securities pledged to secure repurchase agreements may decline. Old National has pledged securities valued at 109% of the gross outstanding balance of repurchase agreements at June 30, 2018 to manage this risk.

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Federal Home Loan Bank Advances

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Federal Home Loan Bank Advances

NOTE 15 – FEDERAL HOME LOAN BANK ADVANCES

The following table summarizes Old National Bank’s FHLB advances at June 30, 2018 and December 31, 2017:

	June 30,		December 31,
(dollars in thousands)	2018		2017
FHLB advances (fixed rates 1.50% to 6.08% and variable rates 2.23% to 2.50%) maturing July 2018 to June 2028	$	1,756,730	$	1,610,531
ASC 815 fair value hedge and other basis adjustments		578		(952	)
Total other borrowings	$	1,757,308	$	1,609,579

FHLB advances had weighted-average rates of 2.29% at June 30, 2018 and 1.55% at December 31, 2017. Investment securities and residential real estate loans collateralize these borrowings up to 140% of outstanding debt.

Contractual maturities of FHLB advances at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	626,567
Due in 2019		201,494
Due in 2020		100,000
Due in 2021		20,000
Due in 2022		58,500
Thereafter		750,169
ASC 815 fair value hedge and other basis adjustments		578
Total	$	1,757,308

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Other Borrowings

6 Months Ended

Jun. 30, 2018

Other Liabilities Disclosure [Abstract]

Other Borrowings

NOTE 16 – OTHER BORROWINGS

The following table summarizes Old National’s other borrowings at June 30, 2018 and December 31, 2017:

	June 30,			December 31,
(dollars in thousands)	2018			2017
Old National Bancorp:
Senior unsecured notes (fixed rate 4.125%) maturing August 2024	$	175,000		$	175,000
Unamortized debt issuance costs related to senior unsecured notes		(949	)		(1,026	)
Junior subordinated debentures (variable rates of 3.68% to 6.22%) maturing April 2032 to September 2037		60,310			60,310
Other basis adjustments		(3,318	)		(3,585	)
Old National Bank:
Capital lease obligations		5,326			5,389
Subordinated debentures (fixed rate 5.75%)		12,000			12,000
Other		1,872			694
Total other borrowings	$	250,241		$	248,782

Contractual maturities of other borrowings at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	1,286
Due in 2019		137
Due in 2020		147
Due in 2021		160
Due in 2022		172
Thereafter		251,956
Unamortized debt issuance costs and other basis adjustments		(3,617	)
Total	$	250,241

Senior Notes

In August 2014, Old National issued $175.0 million of senior unsecured notes with a 4.125% interest rate. These notes pay interest on February 15 and August 15. The notes mature on August 15, 2024.

Junior Subordinated Debentures

Junior subordinated debentures related to trust preferred securities are classified in “other borrowings.” With the addition of Anchor (MN) assets, these securities now qualify as Tier 2 capital for regulatory purposes, subject to certain limitations. Prior to the fourth quarter of 2017, these securities qualified as Tier 1 capital for regulatory purposes.

Through various acquisitions, Old National assumed junior subordinated debenture obligations related to various trusts that issued trust preferred securities. Old National guarantees the payment of distributions on the trust preferred securities issued by the trusts. Proceeds from the issuance of each of these securities were used to purchase junior subordinated debentures with the same financial terms as the securities issued by the trusts.

Old National, at any time, may redeem the junior subordinated debentures at par and, thereby cause a redemption of the trust preferred securities in whole or in part.

The following table summarizes the terms of our outstanding junior subordinated debentures at June 30, 2018:

(dollars in thousands)					Rate at
		Issuance			June 30,
Name of Trust	Issuance Date	Amount		Rate	2018			Maturity Date
VFSC Capital Trust I	April 2002	$	3,093	3-month LIBOR plus 3.70%		6.22	%	April 22, 2032
VFSC Capital Trust II	October 2002		4,124	3-month LIBOR plus 3.45%		5.79	%	November 7, 2032
VFSC Capital Trust III	April 2004		3,093	3-month LIBOR plus 2.80%		5.12	%	September 8, 2034
St. Joseph Capital Trust II	March 2005		5,000	3-month LIBOR plus 1.75%		4.08	%	March 20, 2035
Anchor Capital Trust III	August 2005		5,000	3-month LIBOR plus 1.55%		3.89	%	September 30, 2035
Tower Capital Trust 2	December 2005		8,000	3-month LIBOR plus 1.34%		3.68	%	December 4, 2035
Home Federal Statutory Trust I	September 2006		15,000	3-month LIBOR plus 1.65%		3.99	%	September 15, 2036
Monroe Bancorp Capital Trust I	July 2006		3,000	3-month LIBOR plus 1.60%		3.95	%	October 7, 2036
Monroe Bancorp Statutory Trust II	March 2007		5,000	3-month LIBOR plus 1.60%		3.94	%	June 15, 2037
Tower Capital Trust 3	December 2006		9,000	3-month LIBOR plus 1.69%		3.99	%	September 15, 2037
Total		$	60,310

Subordinated Debentures

On November 1, 2017, Old National assumed $12.0 million of subordinated fixed-to-floating notes related to the acquisition of Anchor (MN). The subordinated debentures have a 5.75% fixed rate of interest through October 29, 2020. From October 30, 2020 to the October 30, 2025 maturity date, the debentures have a floating rate of interest equal to the three-month LIBOR rate plus 4.356%.

Capital Lease Obligations

On January 1, 2004, Old National entered into a long-term capital lease obligation for a branch office building in Owensboro, Kentucky, which extends for 25 years with one renewal option for 10 years. The economic substance of this lease is that Old National is financing the acquisition of the building through the lease and accordingly, the building is recorded as an asset and the lease is recorded as a liability. The fair value of the capital lease obligation was estimated using a discounted cash flow analysis based on Old National’s current incremental borrowing rate for similar types of borrowing arrangements.

On May 1, 2016, Old National acquired Anchor (WI), assuming a five-year capital lease obligation for equipment.

On November 1, 2017, Old National assumed a capital lease obligation for a banking center in Arden Hills, Minnesota related to the acquisition of Anchor (MN). The remaining base term of the lease is five years with one renewal option of ten years. For purposes of measuring the lease obligation, we determined that we would be “reasonably assured” to exercise the renewal option. The fair value of the capital lease obligation was estimated using a discounted cash flow analysis based on a market rate for similar types of borrowing arrangements. Based on the above assumptions, Old National measured the capital lease obligation at $1.5 million as of the date of acquisition.

At June 30, 2018, the future minimum lease payments under the capital lease arrangements were as follows:

(dollars in thousands)
2018	$	284
2019		589
2020		589
2021		589
2022		589
Thereafter		9,275
Total minimum lease payments		11,915
Less amounts representing interest		(6,589	)
Present value of net minimum lease payments	$	5,326

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Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

NOTE 17 – ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes within each classification of AOCI, net of tax, for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Unrealized Gains and Losses on Available-for-Sale Securities			Unrealized Gains and Losses on Held-to-Maturity Securities			Gains and Losses on Cash Flow Hedges			Defined Benefit Pension Plans			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	(52,605	)	$	(9,737	)	$	1,126		$	(310	)	$	(61,526	)
Other comprehensive income (loss) before reclassifications		(5,615	)		—			1,143			—			(4,472	)
Amounts reclassified from AOCI to income (1)		(1,136	)		402			8			21			(705	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Three Months Ended June 30, 2017
Balance at beginning of period	$	(29,992	)	$	(13,015	)	$	(5,240	)	$	(318	)	$	(48,565	)
Other comprehensive income (loss) before reclassifications		19,492			—			(1,480	)		—			18,012
Amounts reclassified from AOCI to income (1)		(1,957	)		298			1,075			17			(567	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)
Six Months Ended June 30, 2018
Balance at beginning of period	$	(35,557	)	$	(12,107	)	$	(2,337	)	$	(271	)	$	(50,272	)
Other comprehensive income (loss) before reclassifications		(14,486	)		4,514			4,587			—			(5,385	)
Amounts reclassified from AOCI to income (1)		(1,730	)		858			588			41			(243	)
Amount reclassified from AOCI to retained earnings for cumulative effect of change in accounting principle (2)		—			—			(52	)		—			(52	)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017 (3)		(7,583	)		(2,600	)		(509	)		(59	)		(10,751	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Six Months Ended June 30, 2017
Balance at beginning of period	$	(39,012	)	$	(13,310	)	$	(6,715	)	$	(335	)	$	(59,372	)
Other comprehensive income (loss) before reclassifications		29,459			—			(1,120	)		—			28,339
Amounts reclassified from AOCI to income (1)		(2,904	)		593			2,190			34			(87	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)

(1) See table below for details about reclassifications to income.

(2) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2017-12.

(3) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2018-02.

The following table summarizes the significant amounts reclassified out of each component of AOCI for the three months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Three Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	1,494		$	3,075		Net securities gains
		(358	)		(1,118	)	Income tax (expense) benefit
	$	1,136		$	1,957		Net income
Unrealized gains and losses on held-to-maturity securities	$	(521	)	$	(453	)	Interest income (expense)
		119			155		Income tax (expense) benefit
	$	(402	)	$	(298	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(10	)	$	(1,734	)	Interest income (expense)
		2			659		Income tax (expense) benefit
	$	(8	)	$	(1,075	)	Net income
Amortization of defined benefit pension items Actuarial gains (losses)	$	(27	)	$	(27	)	Salaries and employee benefits
		6			10		Income tax (expense) benefit
	$	(21	)	$	(17	)	Net income
Total reclassifications for the period	$	705		$	567		Net income

The following table summarizes the significant amounts reclassified out of each component of AOCI for the six months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	2,282		$	4,575		Net securities gains
		(552	)		(1,671	)	Income tax (expense) benefit
	$	1,730		$	2,904		Net income
Unrealized gains and losses on held-to-maturity securities	$	(1,112	)	$	(902	)	Interest income/(expense)
		254			309		Income tax (expense) benefit
	$	(858	)	$	(593	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(779	)	$	(3,533	)	Interest income/(expense)
		191			1,343		Income tax (expense) benefit
	$	(588	)	$	(2,190	)	Net income
Amortization of defined benefit pension items Actuarial gains/(losses)	$	(54	)	$	(54	)	Salaries and employee benefits
		13			20		Income tax (expense) benefit
	$	(41	)	$	(34	)	Net income
Total reclassifications for the period	$	243		$	87		Net income

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

Employee Benefit Plans

NOTE 18 – EMPLOYEE BENEFIT PLANS

Retirement Plan

Old National had a funded noncontributory defined benefit plan (the “Retirement Plan”) that had been frozen since December 31, 2005. During the first quarter of 2016, we notified plan participants of our intent to terminate the Retirement Plan effective May 15, 2016. During October 2016, the Retirement Plan settled plan liabilities through either lump sum distributions to plan participants or annuity contracts purchased from a third-party insurance company that provided for the payment of vested benefits to those participants that did not elect the lump sum option. At June 30, 2018, there were no remaining plan assets.

Employee Stock Ownership Plan

The Employee Stock Ownership and Savings Plan (the “401(k) Plan”) permits employees to participate the first month following one month of service. During the second quarter of 2018, Old National increased its match to 75% of employee compensation deferral contributions of the first 4% of compensation, and 50% of the next 4% of compensation. The change was retroactive for all of 2018. For 2017, we matched 50% of employee compensation deferral contributions, up to 6% of compensation. Contribution expense under the 401(k) Plan was $3.1 million in the three months ended June 30, 2018 and $4.6 million in the six months ended June 30, 2018, compared to $1.2 million in the three months ended June 30, 2017 and $2.4 million in the six months ended June 30, 2017.

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Share-Based Compensation

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

NOTE 19 – SHARE-BASED COMPENSATION

At June 30, 2018, Old National had 4.4 million shares remaining available for issuance under the Company’s Amended and Restated 2008 Incentive Compensation Plan. The granting of awards to key employees is typically in the form of restricted stock awards or units.

Restricted Stock Awards

Old National granted 212 thousand time-based restricted stock awards to certain key officers during the six months ended June 30, 2018, with shares vesting generally over a thirty-six month period. Compensation expense is recognized on a straight-line basis over the vesting period. Shares are subject to certain restrictions and risk of forfeiture by the participants. At June 30, 2018, unrecognized compensation expense was estimated to be $6.1 million for unvested restricted stock awards. The cost is expected to be recognized over a weighted-average period of 2.2 years.

Old National recorded share-based compensation expense, net of tax, related to restricted stock awards of $1.1 million, net of tax, during the six months ended June 30, 2018, compared to $0.9 million, net of tax, during the six months ended June 30, 2017.

Restricted Stock Units

Old National granted 288 thousand shares of performance based restricted stock units to certain key officers during the six months ended June 30, 2018, with shares vesting at the end of a thirty-six month period based on the achievement of certain targets. For certain awards, the level of performance could increase or decrease the percentage of shares earned. Compensation expense is recognized on a straight-line basis over the vesting period. Shares are subject to certain restrictions and risk of forfeiture by the participants. At June 30, 2018, unrecognized compensation expense was estimated to be $5.8 million. The cost is expected to be recognized over a weighted-average period of 2.0 years.

Old National recorded share-based compensation expense, net of tax, related to restricted stock units of $1.6 million during the six months ended June 30, 2018, compared to $1.0 million during the six months ended June 30, 2017.

Stock Options

Old National has not granted stock options since 2009. However, Old National did acquire stock options through prior year acquisitions. Old National did not record any share-based compensation expense related to these stock options during the six months ended June 30, 2018 or 2017.

Stock Appreciation Rights

Old National has never granted stock appreciation rights. However, Old National did acquire stock appreciation rights through a prior year acquisition. Old National did not record any incremental expense associated with the conversion of these stock appreciation rights during the six months ended June 30, 2018 or 2017. At June 30, 2018, 62 thousand stock appreciation rights remained outstanding.

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Income Taxes

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

NOTE 20 – INCOME TAXES

Following is a summary of the major items comprising the differences in taxes from continuing operations computed at the federal statutory rate and as recorded in the consolidated statements of income:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Provision at statutory rate (1)	$	10,153		$	17,303		$	21,270		$	33,572
Tax-exempt income:
Tax-exempt interest		(2,237	)		(3,672	)		(4,428	)		(7,374	)
Section 291/265 interest disallowance		73			64			135			121
Company-owned life insurance income		(510	)		(741	)		(1,057	)		(1,493	)
Tax-exempt income		(2,674	)		(4,349	)		(5,350	)		(8,746	)
State income taxes		1,028			195			2,216			1,046
Interim period effective rate adjustment		933			(286	)		1,025			(741	)
Tax credit investments - federal		(4,973	)		(1,877	)		(10,741	)		(3,753	)
Other, net		(122	)		(402	)		882			(303	)
Income tax expense	$	4,345		$	10,584		$	9,302		$	21,075
Effective tax rate		9.0	%		21.4	%		9.2	%		22.0	%

(1) The statutory rate was 21% for the three and six months ended June 30, 2018, compared to 35% for the three and six months ended June 30, 2017.

In accordance with ASC 740-270, Accounting for Interim Reporting, the provision for income taxes was recorded at June 30, 2018 and 2017 based on the current estimate of the effective annual rate.

The lower effective tax rate during the three and six months ended June 30, 2018 when compared to the three and six months ended June 30, 2017 is primarily the result of the lowering of the federal corporate tax rate to 21% in 2018 and an increase in federal tax credits available. On December 22, 2017, the Tax Cuts and Jobs Act (“H.R. 1”) was enacted into legislation. Under ASC 740, the effects of changes in tax rates and laws are recognized in the period in which the new legislation is enacted. Accordingly, Old National recorded an estimated $39.3 million for the revaluation of Old National’s deferred tax assets in December 2017.

Shortly after the enactment date, the SEC issued SAB 118, which addresses the situations where the accounting for changes in tax laws is complete, incomplete but can be reasonably estimated, and incomplete and cannot be reasonably estimated. SAB 118 also permits a measurement period of up to one year from the date of enactment to refine the provisional accounting. During the six months ended June 30, 2018, immaterial adjustments made to the preliminary valuation of assets acquired and liabilities assumed in the acquisition of Anchor (MN) impacted the estimated revaluation of Old National’s deferred tax assets. Old National completed its analysis of H.R. 1 during the second quarter of 2018.

Unrecognized Tax Benefits

Old National and its subsidiaries file a consolidated U.S. federal income tax return, as well as filing various state returns. Unrecognized state income tax benefits are reported net of their related deferred federal income tax benefit.

A reconciliation of the beginning and ending amounts of unrecognized tax benefits was as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	874	$	777
Additions based on tax positions related to the current year		—		70
Balance at end of period	$	874	$	847

If recognized, approximately $0.9 million of unrecognized tax benefits, net of interest, would favorably affect the effective income tax rate in future periods. Old National expects the total amount of unrecognized tax benefits to decrease by approximately $0.3 million in the next twelve months.

Net Deferred Tax Assets

Significant components of net deferred tax assets (liabilities) were as follows at June 30, 2018 and December 31, 2017:

(dollars in thousands)	June 30, 2018			December 31, 2017
Deferred Tax Assets
Allowance for loan losses, net of recapture	$	13,842		$	12,958
Benefit plan accruals		12,146			11,080
Alternative minimum tax credit		2,545			25,084
Unrealized losses on benefit plans		94			108
Net operating loss carryforwards		32,915			39,631
Federal tax credits		12,050			5,516
Other-than-temporary impairment		36			1,424
Deferred gain on securities		2,052			—
Acquired loans		23,976			29,669
Lease exit obligation		1,290			1,337
Unrealized losses on available-for-sale investment securities		18,733			14,011
Unrealized losses on held-to-maturity investment securities		2,746			3,630
Unrealized losses on hedges		—			923
Tax credit investments		862			—
Other real estate owned		181			369
Other, net		2,405			829
Total deferred tax assets		125,873			146,569
Deferred Tax Liabilities
Accretion on investment securities		(451	)		(493	)
Purchase accounting		(15,972	)		(16,718	)
Loan servicing rights		(5,970	)		(6,058	)
Premises and equipment		(9,512	)		(10,052	)
Prepaid expenses		(1,277	)		(1,277	)
Tax credit investments		—			(168	)
Unrealized gains on hedges		(742	)		—
Other, net		(1,762	)		(946	)
Total deferred tax liabilities		(35,686	)		(35,712	)
Net deferred tax assets	$	90,187		$	110,857

Through the acquisition of Anchor (WI) in the second quarter of 2016 and Lafayette Savings Bank in the fourth quarter of 2014, both former thrifts, Old National Bank’s retained earnings at June 30, 2018 include base-year bad debt reserves, created for tax purposes prior to 1988, totaling $52.8 million. Of this total, $50.9 million was acquired from Anchor (WI), and $1.9 million was acquired from Lafayette Savings Bank. Base-year reserves are subject to recapture in the unlikely event that Old National Bank (1) makes distributions in excess of current and accumulated earnings and profits, as calculated for federal income tax purposes, (2) redeems its stock, or (3) liquidates. Old National Bank has no intention of making such a nondividend distribution. Accordingly, under current accounting principles, a related deferred income tax liability of $13.0 million has not been recognized.

No valuation allowance was recorded at June 30, 2018 or December 31, 2017 because, based on current expectations, Old National believes it will generate sufficient income in future years to realize deferred tax assets. Old National has federal net operating loss carryforwards totaling $104.5 million at June 30, 2018 and $130.7 million at December 31, 2017. This federal net operating loss was acquired from the acquisition of Anchor (WI) in 2016. If not used, the federal net operating loss carryforwards will expire from 2028 to 2033. Old National has alternative minimum tax (“AMT”) credit carryforwards totaling $22.6 million at June 30, 2018 and $25.1 million at December 31, 2017. The enactment of H.R. 1 eliminates the parallel tax system known as the AMT and allows any existing AMT credits to be used to reduce regular tax or be refunded from 2018 to 2021. ASC 740 allows for the reclassification of the AMT credit from a deferred tax asset to a current tax asset, except for the amount limited by section 382. Old National has $2.5 million of AMT credit carryforward subject to section 382 limitations. The $2.5 million is maintained in deferred tax assets and the remaining $20.1 million has been reclassified to a current tax asset. Old National has federal tax credit carryforwards of $12.1 million at June 30, 2018 and $5.5 million at December 31, 2017. The federal tax credits consist mainly of federal historic credits, energy efficient home credits, low income housing credits, and research and development credits that, if not used, will expire from 2025 to 2038. Old National has recorded state net operating loss carryforwards totaling $183.4 million at June 30, 2018 and $203.6 million at December 31, 2017. If not used, the state net operating loss carryforwards will expire from 2024 to 2033. Old National has state tax credit carryforwards totaling $0.7 million at June 30, 2018 and $1.3 million at December 31, 2017. The state tax credits will not expire.

The federal and recorded state net operating loss carryforwards are subject to an annual limitation under Internal Revenue Code section 382. Old National believes that all of the recorded net operating loss carryforwards will be used prior to expiration.

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Derivative Financial Instruments

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

NOTE 21 – DERIVATIVE FINANCIAL INSTRUMENTS

As discussed in Note 3, Old National adopted ASU 2017-12 in the first quarter of 2018. This adoption primarily impacted our existing cash flow and fair value hedges related to certain FHLB advances. For cash flow hedges as of the date of adoption, the transition guidance in paragraph 815-20-65-3(d) eliminated the separate measurement of ineffectiveness by means of a cumulative-effect adjustment to accumulated other comprehensive income with a corresponding adjustment to the opening balance of retained earnings. For fair value hedges of interest rate risk, the provisions of paragraph 815-25-35-13 permit Old National to elect to modify the measurement methodology to be based on the benchmark rate component of the contractual coupon cash flows without dedesignation of the hedging relationship. The measurement methodology modification shall be applied as of the hedging relationship’s original inception date. The cumulative effect of applying this election shall be recognized as an adjustment to the basis adjustment of the hedged item recognized on the balance sheet with a corresponding adjustment to the opening balance of retained earnings as of the initial application date.

As part of our overall interest rate risk management, Old National uses derivative instruments, including interest rate swaps, caps, and floors. The notional amount of these derivative instruments was $1.034 billion at June 30, 2018 and $708.5 million at December 31, 2017. These derivative financial instruments at June 30, 2018 consisted of $408.5 million notional amount of receive-fixed, pay-variable interest rate swaps on certain of its FHLB advances and $625.0 million notional amount of pay-fixed, receive-variable interest rate swaps on certain of its FHLB advances. Derivative financial instruments at December 31, 2017 consisted of $33.5 million notional amount of receive-fixed, pay-variable interest rate swaps on certain of its FHLB advances and $675.0 million notional amount of pay-fixed, receive-variable interest rate swaps on certain of its FHLB advances. These hedges were entered into to manage interest rate risk. Derivative instruments are recognized on the balance sheet at their fair value and are not reported on a net basis.

In accordance with ASC 815-20-35-1, subsequent changes in fair value for a hedging instrument that has been designated and qualifies as part of a hedging relationship should be accounted for in the following manner:

Cash flow hedges: changes in fair value will be recognized as a component in other comprehensive income.

Fair value hedges: changes in fair value will be recognized concurrently in earnings.

Consistent with this guidance, as long as a hedging instrument is designated and the results of the effectiveness testing support that the instrument qualifies for hedge accounting treatment, 100% of the periodic changes in fair value of the hedging instrument will be accounted for as outlined above. This is the case whether or not economic mismatches exist in the hedging relationship. As a result, there will be no periodic measurement or recognition of ineffectiveness. Rather, the full impact of hedge gains and losses will be recognized in the period in which the hedged transactions impact earnings.

While separate measurement and presentation of ineffectiveness is being eliminated, paragraph 815-20-45-1A requires the change in fair value of the hedging instrument that is included in the assessment of hedge effectiveness be presented in the same income statement line item that is used to present the earnings effect of the hedged item.

Commitments to fund certain mortgage loans (interest rate lock commitments) and forward commitments for the future delivery of mortgage loans to third party investors are considered derivatives. These derivative contracts do not qualify for hedge accounting. At June 30, 2018, the notional amount of the interest rate lock commitments was $59.3 million and forward commitments were $76.1 million. At December 31, 2017, the notional amount of the interest rate lock commitments was $29.9 million and forward commitments were $41.2 million. It is our practice to enter into forward commitments for the future delivery of residential mortgage loans to third party investors when interest rate lock commitments are entered into in order to economically hedge the effect of changes in interest rates resulting from our commitment to fund the loans.

Old National also enters into derivative instruments for the benefit of its customers. The notional amounts of these customer derivative instruments and the offsetting counterparty derivative instruments were $827.6 million at June 30, 2018. The notional amounts of these customer derivative instruments and the offsetting counterparty derivative instruments were $826.6 million at December 31, 2017. These derivative contracts do not qualify for hedge accounting. These instruments include interest rate swaps, caps, and collars. Commonly, Old National will economically hedge significant exposures related to these derivative contracts entered into for the benefit of customers by entering into offsetting contracts with approved, reputable, independent counterparties with substantially matching terms.

Old National enters into derivative financial instruments as part of its foreign currency risk management strategies. These derivative instruments consist of foreign currency forward contracts to accommodate the business needs of its customers. Old National does not designate these foreign currency forward contracts for hedge accounting treatment. The notional amounts of these foreign currency forward contracts and the offsetting counterparty derivative instruments were $2.1 million at June 30, 2018 and $0.8 million at December 31, 2017.

Credit risk arises from the possible inability of counterparties to meet the terms of their contracts. Old National’s exposure is limited to the replacement value of the contracts rather than the notional, principal, or contract amounts. There are provisions in our agreements with the counterparties that allow for certain unsecured credit exposure up to an agreed threshold. Exposures in excess of the agreed thresholds are collateralized. In addition, we minimize credit risk through credit approvals, limits, and monitoring procedures.

Amounts reported in AOCI related to cash flow hedges will be reclassified to interest income or interest expense as interest payments are received or paid on Old National’s derivative instruments. During the next 12 months, we estimate that $2.0 million will be reclassified to interest income and $0.8 million will be reclassified to interest expense.

The following table summarizes the fair value of derivative financial instruments utilized by Old National:

(dollars in thousands)	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
June 30, 2018
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	4,871		Other liabilities	$	1,656
Total derivatives designated as hedging instruments			$	4,871			$	1,656
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	8,524		Other liabilities	$	19,148
Mortgage contracts		Other assets		1,537		Other liabilities		352
Foreign currency contracts		Other assets		61		Other liabilities		40
Total derivatives not designated as hedging instruments			$	10,122			$	19,540
Total			$	14,993			$	21,196
December 31, 2017
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	3,351		Other liabilities	$	5,351
Total derivatives designated as hedging instruments			$	3,351			$	5,351
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	10,012		Other liabilities	$	10,933
Mortgage contracts		Other assets		747		Other liabilities		—
Foreign currency contracts		Other assets		8		Other liabilities		8
Total derivatives not designated as hedging instruments			$	10,767			$	10,941
Total			$	14,118			$	16,292

The effect of derivative instruments in fair value hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

(dollars in thousands)								Gain (Loss) Recognized in Income on Related Hedged Items
Derivatives in Fair Value Hedging Relationships	Location of Gain or (Loss) Recognized in in Income on Derivative	Gain (Loss) Recognized in Income on Derivative			Hedged Items in Fair Value Hedging Relationships		Location of Gain or (Loss) Recognized in in Income on Related Hedged Item
Three Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(944	)		Fixed-rate debt	Interest income/(expense)	$	934
Three Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	77			Fixed-rate debt	Interest income/(expense)	$	(25	)
Six Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(1,663	)		Fixed-rate debt	Interest income/(expense)	$	1,655
Six Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	(178	)		Fixed-rate debt	Interest income/(expense)	$	265

The difference between the gain (loss) recognized in income on derivatives and the gain (loss) recognized in income on the related hedged items represents hedge ineffectiveness. In addition, the net swap settlements that accrue each period are also reported in interest expense.

The effect of derivative instruments in cash flow hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,					Three Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	1,516	$	(2,387	)	$	(10	)	$	(1,734	)
		Six Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	6,079	$	(1,807	)	$	(779	)	$	(3,533	)

The ineffective portion and amount excluded from effectiveness testing related to derivatives in cash flow hedging relationships was immaterial for the three and six months ended June 30, 2018 and 2017.

The effect of derivatives not designated as hedging instruments on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	13
Mortgage contracts	Mortgage banking revenue		(201	)		451
Foreign currency contracts	Other income/(expense)		6			—
Total		$	(168	)	$	464
		Six Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	23
Mortgage contracts	Mortgage banking revenue		437			(1,043	)
Foreign currency contracts	Other income/(expense)		23			—
Total		$	487		$	(1,020	)

(1) Includes the valuation differences between the customer and offsetting swaps.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 22 – COMMITMENTS AND CONTINGENCIES

Litigation

In the normal course of business, Old National Bancorp and its subsidiaries have been named, from time to time, as defendants in various legal actions. Certain of the actual or threatened legal actions may include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages.

Old National contests liability and/or the amount of damages as appropriate in each pending matter. In view of the inherent difficulty of predicting the outcome of such matters, particularly in cases where claimants seek substantial or indeterminate damages or where investigations and proceedings are in the early stages, Old National cannot predict with certainty the loss or range of loss, if any, related to such matters, how or if such matters will be resolved, when they will ultimately be resolved, or what the eventual settlement, or other relief, if any, might be. Subject to the foregoing, Old National believes, based on current knowledge and after consultation with counsel, that the outcome of such pending matters will not have a material adverse effect on the consolidated financial condition of Old National, although the outcome of such matters could be material to Old National’s operating results and cash flows for a particular future period, depending on, among other things, the level of Old National’s revenues or income for such period. Old National will accrue for a loss contingency if (1) it is probable that a future event will occur and confirm the loss and (2) the amount of the loss can be reasonably estimated.

Old National is not currently involved in any material litigation.

Credit-Related Financial Instruments

In the normal course of business, Old National’s banking affiliates have entered into various agreements to extend credit, including loan commitments of $3.218 billion and standby letters of credit of $85.7 million at June 30, 2018. At June 30, 2018, approximately $2.986 billion of the loan commitments had fixed rates and $232.0 million had floating rates, with the floating interest rates ranging from 0.99% to 15%. At December 31, 2017, loan commitments totaled $3.144 billion and standby letters of credit totaled $68.7 million. These commitments are not reflected in the consolidated financial statements. The allowance for unfunded loan commitments totaled $3.2 million at June 30, 2018 and $3.1 million at December 31, 2017.

Old National had credit extensions with various unaffiliated banks related to letter of credit commitments issued on behalf of Old National’s clients totaling $12.1 million at June 30, 2018 and $12.4 million at December 31, 2017. Old National provided collateral to the unaffiliated banks to secure credit extensions totaling $9.2 million at June 30, 2018 and $11.5 million at December 31, 2017. Old National did not provide collateral for the remaining credit extensions.

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Financial Guarantees

6 Months Ended

Jun. 30, 2018

Guarantees and Product Warranties [Abstract]

Financial Guarantees

NOTE 23 – FINANCIAL GUARANTEES

Old National holds instruments, in the normal course of business with clients, that are considered financial guarantees in accordance with FASB ASC 460-10 (FIN 45, Guarantor’s Accounting and Disclosure Requirements for Guarantees, Including Indirect Guarantees of Indebtedness of Others), which requires Old National to record the instruments at fair value. Standby letters of credit guarantees are issued in connection with agreements made by clients to counterparties. Standby letters of credit are contingent upon failure of the client to perform the terms of the underlying contract. Credit risk associated with standby letters of credit is essentially the same as that associated with extending loans to clients and is subject to normal credit policies. The term of these standby letters of credit is typically one year or less. At June 30, 2018, the notional amount of standby letters of credit was $85.7 million, which represented the maximum amount of future funding requirements, and the carrying value was $0.4 million. At December 31, 2017, the notional amount of standby letters of credit was $68.7 million, which represented the maximum amount of future funding requirements, and the carrying value was $0.4 million.

Old National is a party in risk participation transactions of interest rate swaps, which had total notional amount of $30.8 million at June 30, 2018.

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Segment Information

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment Information

NOTE 24 – SEGMENT INFORMATION

Operating segments are components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. Old National Bank, Old National’s bank subsidiary, is the only significant subsidiary upon which management makes decisions regarding how to allocate resources and assess performance. Each of the branches of Old National Bank provide a group of similar community banking services, including such products and services as commercial, real estate and consumer loans, time deposits, checking and savings accounts, cash management, brokerage, trust, and investment advisory services. The individual bank branches located throughout our Midwest footprint have similar operating and economic characteristics. While the chief decision maker monitors the revenue streams of the various products, services, and regional locations, operations are managed and financial performance is evaluated on a Company-wide basis. Accordingly, all of the community banking services and branch locations are considered by management to be aggregated into one reportable operating segment, community banking.

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Fair Value

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value

NOTE 25 – FAIR VALUE

FASB ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. FASB ASC 820-10 also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard describes three levels of inputs that may be used to measure fair values:

• Level 1 – Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

• Level 2 – Significant other observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Significant unobservable inputs that reflect a company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

Old National used the following methods and significant assumptions to estimate the fair value of each type of financial instrument:

Investment securities: The fair values for investment securities are determined by quoted market prices, if available (Level 1). For securities where quoted prices are not available, fair values are calculated based on market prices of similar securities (Level 2). For securities where quoted prices or market prices of similar securities are not available, fair values are calculated using discounted cash flows or other market indicators (Level 3). Discounted cash flows are calculated using swap and LIBOR curves plus spreads that adjust for loss severities, volatility, credit risk, and optionality. During times when trading is more liquid, broker quotes are used (if available) to validate the model. Rating agency and industry research reports as well as defaults and deferrals on individual securities are reviewed and incorporated into the calculations.

Residential loans held for sale: The fair value of loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan (Level 2).

Derivative financial instruments: The fair values of derivative financial instruments are based on derivative valuation models using market data inputs as of the valuation date (Level 2).

Assets and liabilities measured at fair value on a recurring basis, including financial assets and liabilities for which we have elected the fair value option, are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,596	$	5,596	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,257		5,257		—		—
U.S. government-sponsored entities and agencies		568,231		—		568,231		—
Mortgage-backed securities - Agency		1,448,526		—		1,448,526		—
States and political subdivisions		797,533		—		793,505		4,028
Pooled trust preferred securities		8,205		—		—		8,205
Other securities		353,913		30,259		323,654		—
Residential loans held for sale		26,198		—		26,198		—
Derivative assets		14,993		—		14,993		—
Financial Liabilities
Derivative liabilities		21,196		—		21,196		—
			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,584	$	5,584	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,551		5,551		—		—
U.S. government-sponsored entities and agencies		664,286		—		664,286		—
Mortgage-backed securities - Agency		1,667,682		—		1,667,682		—
States and political subdivisions		530,193		—		530,193
Pooled trust preferred securities		8,448		—		—		8,448
Other securities		320,047		30,965		289,082		—
Residential loans held for sale		17,930		—		17,930		—
Derivative assets		14,118		—		14,118		—
Financial Liabilities
Derivative liabilities		16,292		—		16,292		—

The table below presents a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

(dollars in thousands)	Pooled Trust Preferred Securities			States and Political Subdivisions
Six Months Ended June 30, 2018
Balance at beginning of period	$	8,448		$	—
Accretion (amortization) of discount		10			(18	)
Sales/payments received		(305	)		—
Increase (decrease) in fair value of securities		52			(15	)
Transfers into Level 3		—			4,061
Balance at end of period	$	8,205		$	4,028
Six Months Ended June 30, 2017
Balance at beginning of period	$	8,119		$	—
Accretion of discount		8			—
Sales/payments received		(212	)		—
Increase (decrease) in fair value of securities		182			—
Balance at end of period	$	8,097		$	—

The accretion or amortization of discounts on securities in the table above is included in interest income. An increase in fair value is reflected in the balance sheet as an increase in the fair value of investment securities available-for-sale, an increase in accumulated other comprehensive income, which is included in shareholders’ equity, and a decrease in other assets related to the tax impact. A decrease in fair value is reflected in the balance sheet as a decrease in the fair value of investment securities available-for-sale, a decrease in accumulated other comprehensive income, which is included in shareholders’ equity, and an increase in other assets related to the tax impact. Old National transferred a $4.1 million state and political subdivisions security to Level 3 during the six months ended June 30, 2018 because Old National could no longer obtain evidence of observable inputs.

The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques		Unobservable Input	Range (Weighted Average)
June 30, 2018
Pooled trust preferred securities	$	8,205		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		3.4% - 4.4% (4.1%)
					Expected asset recoveries (c)		0.00%
State and political subdivisions		4,028		Discounted cash flow	No observable inputs Local municipality issuance Old National owns 100% Carried at par		N/A
December 31, 2017
Pooled trust preferred securities	$	8,448		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		4.2% - 9.6% (7.5%)
					Expected asset recoveries (c)		0.0% - 4.1% (0.6%)

(a) Assuming no prepayments.

(b) Each currently performing pool asset is assigned a default probability based on the banking environment, which is adjusted for specific issuer evaluation, of 0%, 50%, or 100%.

(c) Each currently defaulted pool asset is assigned a recovery probability based on specific issuer evaluation of 0%, 25%, or 100%.

Significant changes in any of the unobservable inputs used in the fair value measurement in isolation would result in a significant change to the fair value measurement. The pooled trust preferred securities Old National owns are subordinate note classes that rely on an ongoing cash flow stream to support their values. The senior note classes receive the benefit of prepayments to the detriment of subordinate note classes since the ongoing interest cash flow stream is reduced by the early redemption. Generally, a change in prepayment rates or additional pool asset defaults has an impact that is directionally opposite from a change in the expected recovery of a defaulted pool asset.

Assets measured at fair value on a non-recurring basis at June 30, 2018 are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	4,000	$	—	$	—	$	4,000
Commercial real estate loans		20,375		—		—		20,375
Foreclosed Assets:
Commercial real estate		762		—		—		762
Loan servicing rights		158		—		158		—

Impaired commercial and commercial real estate loans that are deemed collateral dependent are valued based on the fair value of the underlying collateral. These estimates are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. These impaired commercial and commercial real estate loans had a principal amount of $37.1 million, with a valuation allowance of $12.7 million at June 30, 2018. Old National recorded provision expense associated with these loans totaling $4.9 million for the three months ended June 30, 2018 and $6.5 million for the six months ended June 30, 2018. Old National recorded provision expense associated with impaired commercial and commercial real estate loans that were deemed collateral dependent totaling $5.1 million for the three months ended June 30, 2017 and $6.2 million for the six months ended June 30, 2017.

Other real estate owned and other repossessed property is measured at fair value less costs to sell and had a net carrying amount of $0.8 million at June 30, 2018. The estimates of fair value are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. There were write-downs of other real estate owned of $0.1 million for the three months ended June 30, 2018 and $0.4 million for the six months ended June 30, 2018. There were write-downs of other real estate owned of $0.8 million for the three months ended June 30, 2017 and $1.6 million for the six months ended June 30, 2017.

Loan servicing rights are evaluated for impairment based upon the fair value of the rights as compared to the carrying amount. If the carrying amount of an individual tranche exceeds fair value, impairment is recorded on that tranche so that the servicing asset is carried at fair value. Fair value is determined at a tranche level, based on market prices for comparable mortgage servicing contracts when available, or alternatively based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model utilizes a discount rate, weighted average prepayment speed, and other economic factors that market participants would use in estimating future net servicing income and that can be validated against available market data (Level 2). The valuation allowance for loan servicing rights with impairments at June 30, 2018 totaled $15 thousand. Old National recorded recoveries associated with these loan servicing rights totaling $4 thousand for the three months ended June 30, 2018 and $14 thousand for the six months ended June 30, 2018. There were impairments of loan servicing rights totaling $25 thousand for the three months ended June 30, 2017 and $7 thousand for the six months ended June 30, 2017.

Assets measured at fair value on a non-recurring basis at December 31, 2017 are summarized below:

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	2,217	$	—	$	—	$	2,217
Commercial real estate loans		26,319		—		—		26,319
Foreclosed Assets:
Commercial real estate		1,726		—		—		1,726
Residential		55		—		—		55
Loan servicing rights		2,964		—		2,964		—

At December 31, 2017, impaired commercial and commercial real estate loans had a principal amount of $38.6 million, with a valuation allowance of $10.1 million.

Other real estate owned and other repossessed property had a net carrying amount of $1.8 million at December 31, 2017.

The valuation allowance for loan servicing rights with impairments at December 31, 2017 totaled $29 thousand.

The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques	Unobservable Input	Range (Weighted Average)
June 30, 2018
Collateral Dependent Impaired Loans
Commercial loans	$	4,000	Fair value of collateral	Discount for type of property, age of appraisal, and current status		25% - 35% (30%)
Commercial real estate loans		20,375	Fair value of collateral	Discount for type of property, age of appraisal and current status		0% - 20% (10%)
Foreclosed Assets
Commercial real estate		762	Fair value of collateral	Discount for type of property, age of appraisal, and current status		8% - 41% (21%)
December 31, 2017
Collateral Dependent Impaired Loans
Commercial loans	$	2,217	Fair value of collateral	Discount for type of property, age of appraisal, and current status		0% - 98% (49%)
Commercial real estate loans		26,319	Fair value of collateral	Discount for type of property, age of appraisal and current status		10% - 78% (32%)
Foreclosed Assets
Commercial real estate		1,726	Fair value of collateral	Discount for type of property, age of appraisal, and current status		7% - 25% (18%)
Residential (1)		55	Fair value of collateral	Discount for type of property, age of appraisal, and current status		39%

(1) There was only one foreclosed residential asset at December 31, 2017, so no range or weighted average rate is reported.

Financial instruments recorded using fair value option

Under FASB ASC 825-10, we may elect to report most financial instruments and certain other items at fair value on an instrument-by instrument basis with changes in fair value reported in net income. After the initial adoption, the election is made at the acquisition of an eligible financial asset, financial liability or firm commitment or when certain specified reconsideration events occur. The fair value election may not be revoked once an election is made.

We have elected the fair value option for residential loans held for sale. For these loans, interest income is recorded in the consolidated statements of income based on the contractual amount of interest income earned on the financial assets (except any that are on nonaccrual status). None of these loans are 90 days or more past due, nor are any on nonaccrual status. Included in the income statement is interest income for loans held for sale totaling $40 thousand for the three months ended June 30, 2018 and $62 thousand for the six months ended June 30, 2018. Included in the income statement is interest income for loans held for sale totaling $41 thousand for the three months ended June 30, 2017 and $69 thousand for the six months ended June 30, 2017.

Residential loans held for sale

Old National has elected the fair value option for newly originated conforming fixed-rate and adjustable-rate first mortgage loans held for sale. These loans are intended for sale and are hedged with derivative instruments. Old National has elected the fair value option to mitigate accounting mismatches in cases where hedge accounting is complex and to achieve operational simplification. The fair value option was not elected for loans held for investment.

The difference between the aggregate fair value and the aggregate remaining principal balance for loans for which the fair value option has been elected at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Aggregate Fair Value		Difference		Contractual Principal
June 30, 2018
Residential loans held for sale	$	26,198	$	967	$	25,231
December 31, 2017
Residential loans held for sale	$	17,930	$	546	$	17,384

Accrued interest at period end is included in the fair value of the instruments.

The following table presents the amount of gains and losses from fair value changes included in income before income taxes for financial assets carried at fair value:

(dollars in thousands)	Other Gains and (Losses)		Interest Income		Interest (Expense)			Total Changes in Fair Values Included in Current Period Earnings
Three Months Ended June 30, 2018
Residential loans held for sale	$	387	$	3	$	—		$	390
Three Months Ended June 30, 2017
Residential loans held for sale	$	279	$	1	$	—		$	280
Six Months Ended June 30, 2018
Residential loans held for sale	$	422	$	3	$	(4	)	$	421
Six Months Ended June 30, 2017
Residential loans held for sale	$	697	$	2	$	—		$	699

The carrying amounts and estimated fair values of financial instruments not carried at fair value on the balance sheet at June 30, 2018 and December 31, 2017 were as follows:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	273,874	$	273,874	$	—	$	—
Investment securities held-to-maturity:
U.S. government-sponsored entities and agencies		73,570		—		71,284		—
Mortgage-backed securities - Agency		139,594		—		135,784		—
State and political subdivisions		312,554		—		317,529		—
FHLB/Federal Reserve Bank stock		136,206		N/A		N/A		N/A
Loans, net:
Commercial		2,941,508		—		—		2,845,502
Commercial real estate		4,429,274		—		—		4,330,899
Residential real estate		2,152,106		—		—		2,117,999
Consumer credit		1,719,081		—		—		1,669,906
Accrued interest receivable		81,290		13		23,122		58,155
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,600,793	$	3,600,793	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,171,033		7,171,033		—		—
Time deposits		1,824,550		—		1,822,203		—
Federal funds purchased and interbank borrowings		175,044		175,044		—		—
Securities sold under agreements to repurchase		347,511		347,511		—		—
FHLB advances		1,757,308		—		—		1,747,022
Other borrowings		250,241		—		249,150		—
Accrued interest payable		7,510		—		7,510		—
Standby letters of credit		397		—		—		397
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	3,847

N/A = not applicable

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	290,432	$	290,432	$	—	$	—
Investment securities held-to-maturity:
Mortgage-backed securities - Agency		6,903		—		7,056		—
State and political subdivisions		677,160		—		720,647		—
FHLB/Federal Reserve Bank stock		119,686		N/A		N/A		N/A
Loans, net:
Commercial		2,698,023		—		—		2,707,385
Commercial real estate		4,333,116		—		—		4,347,949
Residential real estate		2,165,290		—		—		2,210,951
Consumer credit		1,871,311		—		—		1,998,194
Accrued interest receivable		87,102		16		24,001		63,085
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,680,807	$	3,680,807	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,290,521		7,290,521		—		—
Time deposits		1,634,436		—		1,620,685		—
Federal funds purchased and interbank borrowings		335,033		335,033		—		—
Securities sold under agreements to repurchase		384,810		359,810		25,133		—
FHLB advances		1,609,579		—		—		1,607,189
Other borrowings		248,782		—		250,443		—
Accrued interest payable		7,029		—		7,029		—
Standby letters of credit		351		—		—		351
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	2,449

N/A = not applicable

The methods utilized to estimate the fair value of financial instruments at December 31, 2017 did not necessarily represent an exit price. In accordance with our adoption of ASU 2016-01 in 2018, the methods utilized to measure the fair value of financial instruments at June 30, 2018 represent an approximation of exit price, however, an actual exit price may differ.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Basis of Presentation

The accompanying unaudited consolidated financial statements include the accounts of Old National Bancorp and its wholly-owned affiliates (hereinafter collectively referred to as “Old National”) and have been prepared in conformity with accounting principles generally accepted in the United States of America and prevailing practices within the banking industry. Such principles require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and the disclosures of contingent assets and liabilities at the date of the financial statements and amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. In the opinion of management, the consolidated financial statements contain all the normal and recurring adjustments necessary for a fair statement of the financial position of Old National as of June 30, 2018 and 2017, and December 31, 2017, and the results of its operations for the three and six months ended June 30, 2018 and 2017. Interim results do not necessarily represent annual results. These financial statements should be read in conjunction with Old National’s Annual Report for the year ended December 31, 2017.

All significant intercompany transactions and balances have been eliminated. Certain prior year amounts have been reclassified to conform to the 2018 presentation. Such reclassifications had no effect on net income or shareholders’ equity and were insignificant amounts.

Revenue Recognition

In May 2014, the FASB issued an update (ASU No. 2014-09, Revenue from Contracts with Customers) creating FASB Topic 606, Revenue from Contracts with Customers. The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The scope of this update explicitly excludes net interest income, as well as other revenues from transactions involving financial instruments, such as loans and securities. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements. Old National finalized the in-depth assessment and identified the revenue line items within the scope of this new guidance. For Old National, the revenue streams that are affected by this update are presented within noninterest income.

In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net). The amendments relate to when another party, along with the entity, is involved in providing a good or service to a customer. Topic 606 requires an entity to determine whether the nature of its promise is to provide that good or service to the customer (that is, the entity is a principal) or to arrange for the good or service to be provided to the customer by the other party (that is, the entity is an agent). This determination is based upon whether the entity controls the good or the service before it is transferred to the customer. Topic 606 includes indicators to assist in this evaluation. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing. The amendments clarify the following two aspects of Topic 606: identifying performance obligations, and the licensing implementation guidance. Before an entity can identify its performance obligations in a contract with a customer, the entity first identifies the promised goods or services in the contract. The amendments in this update are expected to reduce the cost and complexity of applying the guidance on identifying promised goods or services. To identify performance obligations in a contract, an entity evaluates whether promised goods and services are distinct. Topic 606 includes two criteria for assessing whether promises to transfer goods or services are distinct. One of those criteria is that the promises are separately identifiable. This update will improve the guidance on assessing that criterion. Topic 606 also includes implementation guidance on determining whether as entity’s promise to grant a license provides a customer with either a right to use the entity’s intellectual property, which is satisfied at a point in time, or a right to access the entity’s intellectual property, which is satisfied over time. The amendments in this update are intended to improve the operability and understandability of the licensing implementation guidance. The amendments in this update affect the guidance in ASU No. 2014-09 above. The effective date is the same as the effective date of ASU No. 2014-09.

In May 2016, the FASB issued ASU No. 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients. The amendments do not change the core revenue recognition principle in Topic 606. The amendments provide clarifying guidance in certain narrow areas and add some practical expedients.

In December 2016, the FASB issued ASU No. 2016-20, Revenue from Contracts with Customers (Topic 606): Technical Corrections and Improvements. The FASB decided to issue a separate update for technical corrections and improvements to Topic 606 and other Topics amended by ASU No. 2014-09 to increase awareness of the proposals and to expedite improvements to ASU No. 2014-09. The amendment affects narrow aspects of the guidance issued in ASU No. 2014-09.

On January 1, 2018, Old National adopted ASU 2014-09, Revenue from Contracts with Customers and all subsequent amendments to the ASU (collectively, “Topic 606”) utilizing the modified retrospective application. A significant majority of Old National’s revenues are not subject to the new guidance. Services within the scope of Topic 606 include wealth management fees, service charges on deposit accounts, debit card and ATM fees, and investment product fees. Old National enters into various contracts with customers to provide these traditional banking services on a routine basis. Old National’s performance obligations are generally service-related and provided on a daily, monthly, or quarterly basis. The performance obligations are generally satisfied as services are rendered and the fees are collected at such time, or shortly thereafter. It is not typical for contracts to require significant judgment to determine the transaction price. The implementation of this update did not have a material impact on the measurement, timing, or recognition of revenue. Accordingly, no cumulative effect adjustment to opening retained earnings was deemed necessary. Results for reporting periods beginning after adoption are presented under Topic 606. As allowed under the update, results for prior periods continue to be reported under the accounting standards in effect for those periods.

Recent Accounting Pronouncements

FASB ASC 825 – In January 2016, the FASB issued an update (ASU No. 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update impact public business entities as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income; (2) simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; and when a qualitative assessment indicates that impairment exists, an entity is required to measure the investment at fair value; (3) eliminate the requirement to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; (4) require entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (5) require an entity to present separately in other comprehensive income the portion of the total change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; (6) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (7) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 842 – In February 2016, the FASB issued its new lease accounting guidance in ASU No. 2016-02, Leases (Topic 842). Under the new guidance, lessees will be required to recognize the following for all leases, with the exception of short-term leases, at the commencement date: (1) a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Old National has formed a cross functional team to plan and execute the adoption of this standard. The implementation efforts are ongoing, including the review of our leases and related accounting policies, review of contracts for embedded leases, and the implementation of a new lease software solution. Based on leases outstanding at June 30, 2018, Old National does not expect the new standard to have a material impact on the income statement, but anticipates a $125 million to $140 million increase in assets and liabilities. Decisions to repurchase, modify, or renew leases prior to the implementation date will impact this level of materiality.

In July 2018, the FASB issued an update (ASU No. 2018-10, Codification Improvements to Topic 842, Leases). The FASB decided to issue a separate update for the improvements related to ASU No. 2016-02 to increase stakeholders’ awareness of the amendments and to expedite the improvements. The amendments affect narrow aspects of the guidance issued in ASU No. 2016-02.

FASB ASC 815 – In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The amendments in the update make certain targeted improvements to simplify the application of the hedge accounting guidance in GAAP. The amendments in this update better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. To meet that objective, the amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. This update addresses several limitations that GAAP placed on the risk components, how an entity can designate the hedged item in a fair value hedge of interest rate risk, and how an entity can measure changes in fair value of the hedged item attributable to interest rate risk. In addition to the amendments to the designation and measurement guidance for qualifying hedging relationships, the amendments in this update also align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements to increase the understandability of the results of an entity’s intended hedging strategies. The amendments in this update require an entity to present the earnings effect of the hedging instrument in the same income statement line item in which the earnings effect of the hedged item is reported. Prior to the issuance of this update, GAAP provided special hedge accounting only for the portion of the hedge deemed to be “highly effective” and required an entity to separately reflect the amount by which the hedging instrument did not offset the hedged item, which is referred to as the “ineffective” amount. However, the concept and reporting of hedge ineffectiveness were difficult for financial statement users to understand and, at times, for preparers to explain. The FASB decided on an approach that no longer separately measures and reports hedge ineffectiveness. This update also includes certain targeted improvements to ease the application of current guidance related to the assessment of hedge effectiveness. Prior to the issuance of this update, GAAP contained specific requirements for initial and ongoing quantitative hedge effectiveness testing and strict requirements for specialized effectiveness testing methods that allowed an entity to forgo quantitative hedge effectiveness assessments for qualifying relationships. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Early adoption is permitted in any interim period. Management elected to early adopt this update effective January 1, 2018 using the modified retrospective method. The impact of the adoption resulted in a reduction to Old National’s opening retained earnings of $3.2 million. In addition, as permitted by the amendments in the update, Old National reclassified $447.0 million in state and political subdivision securities with unrealized holding gains of $26.1 million from the held-to-maturity portfolio to the available-for-sale portfolio.

FASB ASC 718 – In May 2017, the FASB issued ASU No. 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting. The amendments in this update provide guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. An entity should account for the effect of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified – if the modification does not affect any of the inputs to the valuation technique that the entity uses to value the award, the entity is not required to estimate the value immediately before and after the modification; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 326 – In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“CECL”). The main objective of this amendment is to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendment requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to enhance their credit loss estimates. The amendment requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2019. Early adoption will be permitted beginning after December 15, 2018.

As previously disclosed, Old National formed a cross functional committee to oversee the adoption of the ASU at the effective date. A working group was also formed and has developed a project plan focused on understanding the ASU, researching issues, identifying data needs for modeling inputs, technology requirements, modeling considerations, and ensuring overarching governance has been achieved for each objective and milestone. The project plan is targeting data and model validation completion in early 2019, with parallel processing of our existing allowance for loan losses model with the CECL for 2 – 4 quarters prior to implementation, depending on how model completion and validation occurs over the remainder of 2018. Currently, the working group has identified seven distinct loan portfolios for which a model has been or is in the process of being developed. For two of the loan portfolios, the data sets have been identified, populated, and internally validated. Additionally, models have been built, tested, and internally validated. During the remainder of 2018, Old National is focused on the completion of its remaining models, refining assumptions, and continued review and challenge of its models. Concurrent with this, Old National is also focused on researching and resolving interpretive accounting issues in the ASU, contemplating various related accounting policies, developing processes and related controls, and considering various reporting disclosures.

As of the beginning of the first reporting period in which the new standard is effective, Old National expects to recognize a one-time cumulative effect adjustment increasing the allowance for loan losses, since the ASU covers credit losses over the expected life of a loan as well as considering future changes in macroeconomic conditions. The magnitude of any such one-time adjustment or the overall impact of the new guidance on the consolidated financial statements cannot yet be reasonably estimated.

FASB ASC 740 – In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory. Current guidance prohibits the recognition of current and deferred income taxes for an intra-entity asset transfer until the asset has been sold to an outside party. This prohibition on recognition is an exception to the principle of comprehensive recognition of current and deferred income taxes in generally accepted accounting principles. The exception has led to diversity in practice and is a source of complexity in financial reporting. FASB decided that an entity should recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. Consequently, the amendments in this update eliminate the exception for an intra-entity transfer of an asset other than inventory. The amendments in this update do not include new disclosure requirements; however, existing disclosure requirements might be applicable when accounting for the current and deferred income taxes for an intra-entity transfer of an asset other than inventory. The amendments in this update became effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The amendments in this update were applied on a modified retrospective basis through a cumulative-effect reduction of $1.0 million directly to retained earnings as of the beginning of 2018.

FASB ASC 805 – In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. The amendments in this update provide a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The amendments provide more consistency in applying the guidance, reduce the costs of application, and make the definition of a business more operable. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017. Old National has completed its evaluation of adopting the new guidance on the consolidated financial statements and there is no impact to record.

FASB ASC 350 – In January 2017, the FASB issued ASU No. 2017-04, Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the amendments eliminate Step 2 from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, the income tax effects of tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform Step 2 of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the qualitative impairment test is necessary. The amendments should be applied on a prospective basis. The nature of and reason for the change in accounting principle should be disclosed upon transition. The amendments in this update should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted on testing dates after January 1, 2017. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 610 – In February 2017, the FASB issued ASU No. 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Topic 610): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets. Subtopic 610-20 was originally issued as part of ASU No. 2014-09 to provide guidance for recognizing gains and losses from the transfer of nonfinancial assets in contracts with noncustomers. This update was issued to help clarify uncertainties and complexities of ASU 2014-09. The amendments in this update define the term in substance nonfinancial asset, in part, as a financial asset promised to a counterparty in a contract if substantially all of its fair value of the assets (recognized and unrecognized) that are promised to the counterparty in the contract is concentrated in nonfinancial assets. If substantially all of the fair value of the assets that are promised to the counterparty in a contract is concentrated in nonfinancial assets, then all of the financial assets promised to the counterparty are in substance nonfinancial assets. The amendments in this update also clarify that nonfinancial assets within the scope of Subtopic 610-20 may include nonfinancial assets transferred within a legal entity to a counterparty. The amendments in this update require an entity to derecognize a distinct nonfinancial asset or distinct in substance nonfinancial asset in a partial sale transaction when it (1) does not have (or ceases to have) a controlling financial interest in the legal entity that holds the asset in accordance with Topic 810 and (2) transfers control of the asset in accordance with Topic 606. Once an entity transfers control of a distinct nonfinancial asset or distinct in substance nonfinancial asset, it is required to measure any noncontrolling interest it receives (or retains) at fair value. The amendments were effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period and did not have a material impact on the consolidated financial statements.

FASB ASC 715 – In March 2017, the FASB issued ASU No. 2017-07, Compensation – Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments in this update require that an employer disaggregate the service cost component from the other components of net benefit cost. The amendments also provide explicit guidance on how to present the service cost component and the other components of net benefit cost in the income statement and allow only the service cost component of net benefit cost to be eligible for capitalization. The amendments in this update improve the consistency, transparency, and usefulness of financial information to users that have communicated that the service cost component generally is analyzed differently from the other components of net benefit cost. The amendments in this update became effective for annual periods and interim periods within those annual periods beginning after December 15, 2017 and did not have a material impact on the consolidated financial statements.

FASB ASC 310 – In March 2017, the FASB issued ASU No. 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities. This update amends the amortization period for certain purchased callable debt securities held at a premium. FASB is shortening the amortization period for the premium to the earliest call date. Under current GAAP, entities generally amortize the premium as an adjustment of yield over the contractual life of the instrument. Concerns were raised that current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised. As a result, upon the exercise of a call on a callable debt security held at a premium, the unamortized premium is recorded as a loss in earnings. There is diversity in practice (1) in the amortization period for premiums of callable debt securities and (2) in how the potential for exercise of a call is factored into current impairment assessments. The amendments in this update become effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements, but it is not expected to have a material impact.

FASB ASC 220 – In February 2018, the FASB issued ASU No. 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. The amendments in this ASU help organizations address certain stranded income tax effects in AOCI resulting from the Tax Cuts and Jobs Act. The ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Management has elected to early adopt this update effective January 1, 2018, which resulted in a reclassification that decreased beginning accumulated other comprehensive income and increased beginning retained earnings by $10.8 million.

FASB ASC 825 – In February 2018, the FASB issued an update (ASU No. 2018-03, Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities). The amendments in this update clarified the guidance in ASU No. 2016-01 specifically for equity securities without a readily determinable fair value and financial liabilities for which the fair value option is elected. The amendments in this update become effective for annual periods beginning after December 15, 2017 and interim periods within those fiscal years beginning after June 15, 2018. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

FASB ASC 718 – In June 2018, the FASB issued ASU No. 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting. The amendments in this update expand the scope of Topic 718, Compensation—Stock Compensation (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. The ASU supersedes Subtopic 505-50, Equity—Equity-Based Payments to Non-Employees. The amendments in this update become effective for annual periods beginning after December 15, 2018, including interim periods within that fiscal year and will not have a material impact on the consolidated financial statements.

FASB ASC 958 – In June 2018, the FASB issued ASU No. 2018-08, Not-for-Profit Entities (Topic 958): Clarifying the Scope and the Accounting Guidance for Contributions Received and Contributions Made. The amendments in this update clarify and improve the scope and accounting guidance around contributions of cash and other assets received and made by not-for-profit organizations and business enterprises. The ASU clarifies and improves current guidance about whether a transfer of assets, or the reduction, settlement, or cancellation of liabilities, is a contribution or an exchange transaction. It provides criteria for determining whether the resource provider is receiving commensurate value in return for the resources transferred which, depending on the outcome, determines whether the organization follows contribution guidance or exchange transaction guidance in the revenue recognition and other applicable standards. It also provides a more robust framework for determining whether a contribution is conditional or unconditional, and for distinguishing a donor-imposed condition from a donor-imposed restriction. This is important because such classification affects the timing of contribution revenue and expense recognition. The new ASU does not apply to transfers of assets from governments to businesses. The amendments in this update become effective for a public business entity for transactions in which the entity serves as a resource recipient to annual periods beginning after June 15, 2018, including interim periods within those annual periods. The amendments in this update become effective for a public business entity for a public business for transactions in which the entity serves as a resource provider to annual periods beginning after December 15, 2018, including interim periods within those annual periods. Early adoption is permitted. Old National is currently evaluating the impact of adopting the new guidance on the consolidated financial statements.

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Information

income. The following table reflects only the categories of noninterest income that are within the scope of Topic 606:

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)	2018		2017			2018		2017
Wealth management fees	$	9,746	$	9,679		$	18,772	$	18,678
Service charges on deposit accounts		10,765		10,040			21,524		19,883
Debit card and ATM fees		5,080		4,436			9,945		8,672
Investment product fees		5,066		5,004			10,097		9,993
Other income:
Merchant processing fees		778		633			1,419		1,230
Gain (loss) on other real estate owned		586		(41	)		721		617
Safe deposit box fees		224		207			628		514
Insurance premiums and commissions		78		160			182		267
Total	$	32,323	$	30,118		$	63,288	$	59,854

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Acquisition and Divestiture Activity (Tables)

6 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Summary of Fair Values of Acquired Assets, Liabilities Assumed and Resulting Goodwill

A summary of the fair values of the acquired assets, liabilities assumed, and resulting goodwill follows (in thousands):

Cash and cash equivalents	$	34,501
Investment securities		302,195
FHLB/Federal Reserve Bank stock		6,585
Loans held for sale		1,407
Loans		1,593,991
Premises and equipment		33,433
Accrued interest receivable		5,872
Other real estate owned		1,058
Company-owned life insurance		44,490
Other assets		30,036
Deposits		(1,777,588	)
Federal funds purchased and interbank borrowings		(45,600	)
Securities sold under agreements to repurchase		(22,965	)
Other borrowings		(49,257	)
Accrued expenses and other liabilities		(25,784	)
Net tangible assets acquired		132,374
Definite-lived intangible assets acquired		26,606
Goodwill		173,785
Total consideration	$	332,765

Summary of Acquired Loan Data

Acquired loan data for Anchor (MN) can be found in the table below:

(in thousands)	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Cash Flows at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	10,555	$	16,898	$	4,787
Acquired receivables not subject to ASC 310-30	$	1,583,436	$	1,879,449	$	87,767

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Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Summary of Table Reconciling Basic and Diluted Net Income Per Share

The following table reconciles basic and diluted net income per share for the three and six months ended June 30, 2018 and 2017:

(dollars and shares in thousands, except per share data)	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Basic Net Income Per Share	$	0.29	$	0.28	$	0.61	$	0.55
Diluted Earnings Per Share
Net income	$	44,001	$	38,854	$	91,984	$	74,846
Weighted average common shares outstanding		151,878		135,085		151,800		134,999
Effect of dilutive securities:
Restricted stock		623		523		610		543
Stock options (1)		67		89		73		99
Weighted average shares outstanding		152,568		135,697		152,483		135,641
Diluted Net Income Per Share	$	0.29	$	0.28	$	0.60	$	0.55

(1) Options to purchase 14 thousand shares and 55 thousand shares outstanding at June 30, 2018 and 2017, respectively, were not included in the computation of net income per diluted share for the three and six months ended June 30, 2018 and 2017 because the exercise price of these options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

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Investment Securities (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Fair Value of Available-for-Sale and Held-to-Maturity Investment Securities Portfolio

The following table summarizes the amortized cost and fair value of the available-for-sale and held-to-maturity investment securities portfolio at June 30, 2018 and December 31, 2017 and the corresponding amounts of unrealized gains and losses therein:

(dollars in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,312	$	—	$	(55	)	$	5,257
U.S. government-sponsored entities and agencies		583,644		—		(15,413	)		568,231
Mortgage-backed securities - Agency		1,503,636		501		(55,611	)		1,448,526
States and political subdivisions		793,141		8,406		(4,014	)		797,533
Pooled trust preferred securities		13,887		—		(5,682	)		8,205
Other securities		359,820		345		(6,252	)		353,913
Total available-for-sale securities	$	3,259,440	$	9,252	$	(87,027	)	$	3,181,665
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	73,570	$	—	$	(2,286	)	$	71,284
Mortgage-backed securities - Agency		139,594		58		(3,868	)		135,784
States and political subdivisions		312,554		7,209		(2,234	)		317,529
Total held-to-maturity securities	$	525,718	$	7,267	$	(8,388	)	$	524,597
December 31, 2017
Available-for-Sale
U.S. Treasury	$	5,473	$	83	$	(5	)	$	5,551
U.S. government-sponsored entities and agencies		675,643		3		(11,360	)		664,286
Mortgage-backed securities - Agency		1,704,014		1,600		(37,932	)		1,667,682
States and political subdivisions		529,835		5,085		(4,727	)		530,193
Pooled trust preferred securities		16,605		—		(8,157	)		8,448
Other securities		321,016		1,172		(2,141	)		320,047
Total available-for-sale securities	$	3,252,586	$	7,943	$	(64,322	)	$	3,196,207
Held-to-Maturity
Mortgage-backed securities - Agency	$	6,903	$	153	$	—		$	7,056
States and political subdivisions		677,160		43,495		(8	)		720,647
Total held-to-maturity securities	$	684,063	$	43,648	$	(8	)	$	727,703

Schedule of Proceeds from Sales or Calls and Realized Gain and Losses of Available-for-Sale Investment Securities and Other Securities

Proceeds from sales or calls of available-for-sale investment securities, the resulting realized gains and realized losses, and other securities gains or losses were as follows for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Proceeds from sales of available-for-sale securities	$	47,064		$	152,689		$	131,321		$	186,277
Proceeds from calls of available-for-sale securities		11,211			60,600			28,647			71,120
Total	$	58,275		$	213,289		$	159,968		$	257,397
Realized gains on sales of available-for-sale securities	$	1,251		$	2,954		$	3,259		$	4,283
Realized gains on calls of available-for-sale securities		283			—			284			—
Realized losses on sales of available-for-sale securities		(48	)		(13	)		(1,305	)		(43	)
Realized losses on calls of available-for-sale securities		(4	)		(7	)		(53	)		(8	)
Other securities gains (losses) (1)		12			141			97			343
Net securities gains (losses)	$	1,494		$	3,075		$	2,282		$	4,575

(1) Other securities gains (losses) includes net realized and unrealized gains or losses associated with trading securities and mutual funds.

Expected Maturities of Investment Securities Portfolio

 Weighted average yield is based on amortized cost.

	At June 30, 2018
(dollars in thousands)					Weighted
	Amortized		Fair		Average
Maturity	Cost		Value		Yield
Available-for-Sale
Within one year	$	60,410	$	60,376		2.22	%
One to five years		511,930		505,586		2.29
Five to ten years		383,847		380,192		3.03
Beyond ten years		2,303,253		2,235,511		2.64
Total	$	3,259,440	$	3,181,665		2.62	%
Held-to-Maturity
Within one year	$	27,128	$	27,341		3.75	%
One to five years		33,736		34,432		4.06
Five to ten years		75,966		77,962		4.38
Beyond ten years		388,888		384,862		3.59
Total	$	525,718	$	524,597		3.74	%

Available-for-Sale and Held-to-Maturity Investment Securities with Unrealized Losses by Aggregated Major Security Type and Length of Time in Continuous Unrealized Loss Position

The following table summarizes the available-for-sale investment securities with unrealized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrealized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
June 30, 2018
Available-for-Sale
U.S. Treasury	$	5,257	$	(55	)	$	—	$	—		$	5,257	$	(55	)
U.S. government-sponsored entities and agencies		178,133		(3,476	)		390,097		(11,937	)		568,230		(15,413	)
Mortgage-backed securities - Agency		728,486		(20,942	)		657,333		(34,669	)		1,385,819		(55,611	)
States and political subdivisions		278,063		(3,761	)		8,239		(253	)		286,302		(4,014	)
Pooled trust preferred securities		—		—			8,205		(5,682	)		8,205		(5,682	)
Other securities		186,479		(3,599	)		110,953		(2,653	)		297,432		(6,252	)
Total available-for-sale	$	1,376,418	$	(31,833	)	$	1,174,827	$	(55,194	)	$	2,551,245	$	(87,027	)
December 31, 2017
Available-for-Sale
U.S. Treasury	$	1,480	$	(5	)	$	—	$	—		$	1,480	$	(5	)
U.S. government-sponsored entities and agencies		201,773		(1,333	)		408,493		(10,027	)		610,266		(11,360	)
Mortgage-backed securities - Agency		789,804		(8,692	)		774,825		(29,240	)		1,564,629		(37,932	)
States and political subdivisions		196,024		(1,899	)		90,637		(2,828	)		286,661		(4,727	)
Pooled trust preferred securities		—		—			8,448		(8,157	)		8,448		(8,157	)
Other securities		61,260		(429	)		125,517		(1,712	)		186,777		(2,141	)
Total available-for-sale	$	1,250,341	$	(12,358	)	$	1,407,920	$	(51,964	)	$	2,658,261	$	(64,322	)

The following table summarizes the held-to-maturity investment securities with unrecognized losses at June 30, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrecognized loss position:

	Less than 12 months					12 months or longer					Total
(dollars in thousands)	Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses			Fair Value		Unrecognized Losses
June 30, 2018
Held-to-Maturity
U.S. government-sponsored entities and agencies	$	—	$	—		$	71,284	$	(5,716	)	$	71,284	$	(5,716	)
Mortgage-backed securities - Agency		35,489		(992	)		99,239		(9,029	)		134,728		(10,021	)
States and political subdivisions		36,231		(1,466	)		70,130		(3,692	)		106,361		(5,158	)
Total held-to-maturity	$	71,720	$	(2,458	)	$	240,653	$	(18,437	)	$	312,373	$	(20,895	)
December 31, 2017
Held-to-Maturity
States and political subdivisions	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)
Total held-to-maturity	$	2,309	$	(8	)	$	—	$	—		$	2,309	$	(8	)

Trust Preferred Securities

The table below summarizes the relevant characteristics of our pooled trust preferred securities as well as our single issuer trust preferred securities that are included in the “other securities” category in this footnote. Each of the pooled trust preferred securities support a more senior tranche of security holders. Both pooled trust preferred securities have experienced credit defaults. However, these securities have excess subordination and are not other-than-temporarily impaired as a result of their class hierarchy, which provides more loss protection.

Trust preferred securities June 30, 2018 (dollars in thousands)	Class		Lowest Credit Rating (1)		Amortized Cost		Fair Value		Unrealized Gain/ (Loss)			Realized Losses 2018		# of Issuers Currently Performing/ Remaining		Actual Deferrals and Defaults as a % of Original Collateral			Expected Defaults as a % of Remaining Performing Collateral			Excess Subordination as a % of Current Performing Collateral
Pooled trust preferred securities:
Pretsl XXVII LTD		B		B	$	4,382	$	2,602	$	(1,780	)	$	—		35/44		16.7	%		4.2	%		46.1	%
Trapeza Ser 13A		A2A		BBB		9,505		5,603		(3,902	)		—		48/53		4.5	%		4.7	%		45.5	%
						13,887		8,205		(5,682	)		—
Single Issuer trust preferred securities:
JP Morgan Chase Cap XIII				BBB-		4,783		4,550		(233	)		—
Total					$	18,670	$	12,755	$	(5,915	)	$	—

(1) Lowest rating for the security provided by any nationally recognized credit rating agency.

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Loans and Allowance for Loan Losses (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Schedule of Composition of Loans

The composition of loans by lending classification was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial (1)	$	2,962,895		$	2,717,269
Commercial real estate:
Construction		490,990			374,306
Other		3,960,782			3,980,246
Residential real estate		2,153,973			2,167,053
Consumer credit:
Home equity		488,038			507,507
Auto		1,099,745			1,148,672
Other		139,206			223,068
Total loans		11,295,629			11,118,121
Allowance for loan losses		(53,660	)		(50,381	)
Net loans	$	11,241,969		$	11,067,740

(1) Includes direct finance leases of $24.8 million at June 30, 2018 and $29.5 million at December 31, 2017.

Schedule of Activity in Allowance for Loan Losses

Old National’s activity in the allowance for loan losses for the three and six months ended June 30, 2018 and 2017 was as follows:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	19,591		$	20,796		$	1,763		$	8,231		$	50,381
Charge-offs		(472	)		(430	)		(295	)		(1,857	)		(3,054	)
Recoveries		249			583			1,697			1,358			3,887
Provision		2,019			1,549			(1,298	)		176			2,446
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Three Months Ended June 30, 2017
Balance at beginning of period	$	22,108		$	17,953		$	1,736		$	8,037		$	49,834
Charge-offs		(411	)		(1,068	)		(313	)		(1,588	)		(3,380	)
Recoveries		789			1,522			28			838			3,177
Provision		(2,121	)		2,247			360			869			1,355
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986
Six Months Ended June 30, 2018
Balance at beginning of period	$	19,246		$	21,436		$	1,763		$	7,936		$	50,381
Charge-offs		(717	)		(433	)		(657	)		(3,932	)		(5,739	)
Recoveries		760			1,067			1,845			2,520			6,192
Provision		2,098			428			(1,084	)		1,384			2,826
Balance at end of period	$	21,387		$	22,498		$	1,867		$	7,908		$	53,660
Six Months Ended June 30, 2017
Balance at beginning of period	$	21,481		$	18,173		$	1,643		$	8,511		$	49,808
Charge-offs		(881	)		(1,636	)		(727	)		(3,375	)		(6,619	)
Recoveries		1,392			2,747			107			1,849			6,095
Provision		(1,627	)		1,370			788			1,171			1,702
Balance at end of period	$	20,365		$	20,654		$	1,811		$	8,156		$	50,986

Schedule of Recorded Investment in Loans

The following table provides Old National’s recorded investment in loans by portfolio segment at June 30, 2018 and December 31, 2017 and other information regarding the allowance:

(dollars in thousands)	Commercial		Commercial Real Estate		Residential		Consumer		Total
June 30, 2018
Allowance for loan losses:
Individually evaluated for impairment	$	5,871	$	8,162	$	—	$	—	$	14,033
Collectively evaluated for impairment		15,409		14,267		1,865		7,760		39,301
Loans acquired with deteriorated credit quality		107		69		2		148		326
Total allowance for loan losses	$	21,387	$	22,498	$	1,867	$	7,908	$	53,660
Loans and leases outstanding:
Individually evaluated for impairment	$	34,055	$	75,320	$	—	$	—	$	109,375
Collectively evaluated for impairment		2,924,481		4,355,891		2,143,658		1,722,747		11,146,777
Loans acquired with deteriorated credit quality		4,359		20,561		10,315		4,242		39,477
Total loans and leases outstanding	$	2,962,895	$	4,451,772	$	2,153,973	$	1,726,989	$	11,295,629
December 31, 2017
Allowance for loan losses:
Individually evaluated for impairment	$	3,424	$	6,654	$	—	$	—	$	10,078
Collectively evaluated for impairment		15,790		14,782		1,763		7,802		40,137
Loans acquired with deteriorated credit quality		32		—		—		134		166
Total allowance for loan losses	$	19,246	$	21,436	$	1,763	$	7,936	$	50,381
Loans and leases outstanding:
Individually evaluated for impairment	$	26,270	$	66,061	$	—	$	—	$	92,331
Collectively evaluated for impairment		2,685,847		4,266,665		2,155,750		1,874,002		10,982,264
Loans acquired with deteriorated credit quality		5,152		21,826		11,303		5,245		43,526
Total loans and leases outstanding	$	2,717,269	$	4,354,552	$	2,167,053	$	1,879,247	$	11,118,121

Schedule of Risk Category of Commercial and Commercial Real Estate Loans

The risk category of commercial and commercial real estate loans by class of loans at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Commercial				Commercial Real Estate - Construction				Commercial Real Estate - Other
Corporate Credit Exposure Credit Risk Profile by Internally Assigned Grade	June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017		June 30, 2018		December 31, 2017
Grade:
Pass	$	2,815,085	$	2,577,824	$	467,663	$	357,438	$	3,765,884	$	3,762,896
Criticized		70,168		74,876		14,882		14,758		69,841		98,451
Classified - substandard		41,382		37,367		—		—		62,595		58,584
Classified - nonaccrual		29,390		24,798		8,445		2,110		28,376		30,108
Classified - doubtful		6,870		2,404		—		—		34,086		30,207
Total	$	2,962,895	$	2,717,269	$	490,990	$	374,306	$	3,960,782	$	3,980,246

Schedule of Recorded Investment in Residential and Consumer Loans Based on Payment Activity

The following table presents the recorded investment in residential and consumer loans based on payment activity at June 30, 2018 and December 31, 2017:

			Consumer
(dollars in thousands)	Residential		Home Equity		Auto		Other
June 30, 2018
Performing	$	2,130,775	$	483,350	$	1,097,256	$	137,666
Nonperforming		23,198		4,688		2,489		1,540
Total	$	2,153,973	$	488,038	$	1,099,745	$	139,206
December 31, 2017
Performing	$	2,144,882	$	502,322	$	1,145,977	$	217,819
Nonperforming		22,171		5,185		2,695		5,249
Total	$	2,167,053	$	507,507	$	1,148,672	$	223,068

Schedule of Impaired Loans

The following table shows Old National’s impaired loans at June 30, 2018 and December 31, 2017, respectively. Only purchased loans that have experienced subsequent impairment since the date acquired (excluding loans acquired with deteriorated credit quality) are included in the table below.

(dollars in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance
June 30, 2018
With no related allowance recorded:
Commercial	$	19,587	$	20,337	$	—
Commercial Real Estate - Other		44,862		48,214		—
Residential		2,271		2,292		—
Consumer		1,483		1,601		—
With an allowance recorded:
Commercial		14,468		14,520		5,871
Commercial Real Estate - Construction		8,445		9,249		2,680
Commercial Real Estate - Other		22,013		22,065		5,482
Residential		935		935		47
Consumer		1,917		1,917		96
Total	$	115,981	$	121,130	$	14,176
December 31, 2017
With no related allowance recorded:
Commercial	$	20,557	$	21,483	$	—
Commercial Real Estate - Other		38,678		44,564		—
Residential		2,443		2,464		—
Consumer		1,685		2,105		—
With an allowance recorded:
Commercial		5,713		5,713		3,424
Commercial Real Estate - Construction		905		1,371		401
Commercial Real Estate - Other		26,478		26,902		6,253
Residential		870		870		44
Consumer		2,211		2,228		110
Total	$	99,540	$	107,700	$	10,232

Schedule of Average Balance of Impaired Loans

The average balance of impaired loans during the three and six months ended June 30, 2018 and 2017 are included in the table below.

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars in thousands)	2018		2017		2018		2017
Average Recorded Investment
With no related allowance recorded:
Commercial	$	20,228	$	25,817	$	20,073	$	26,038
Commercial Real Estate - Other		43,893		34,682		41,771		32,598
Residential		2,189		2,376		2,274		2,121
Consumer		1,741		1,717		1,722		1,420
With an allowance recorded:
Commercial		11,846		8,448		10,091		7,996
Commercial Real Estate - Construction		4,675		—		4,675		—
Commercial Real Estate - Other		21,439		22,916		24,246		28,911
Residential		942		1,147		918		1,125
Consumer		1,970		2,069		2,050		2,021
Total	$	108,923	$	99,172	$	107,820	$	102,230

Schedule of Past Due Financing Receivables

Old National’s past due financing receivables at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	30-59 Days Past Due		60-89 Days Past Due		Past Due 90 Days or More and Accruing		Nonaccrual (1)		Total Past Due		Current
June 30, 2018
Commercial	$	1,118	$	3	$	85	$	36,260	$	37,466	$	2,925,429
Commercial Real Estate:
Construction		—		—		—		8,445		8,445		482,545
Other		378		953		—		62,462		63,793		3,896,989
Residential		21,871		4,563		389		23,198		50,021		2,103,952
Consumer:
Home equity		780		1,043		627		4,688		7,138		480,900
Auto		5,584		1,259		319		2,489		9,651		1,090,094
Other		330		379		155		1,540		2,404		136,802
Total loans	$	30,061	$	8,200	$	1,575	$	139,082	$	178,918	$	11,116,711
December 31, 2017
Commercial	$	986	$	360	$	144	$	27,202	$	28,692	$	2,688,577
Commercial Real Estate:
Construction		—		—		—		2,110		2,110		372,196
Other		2,247		89		—		60,315		62,651		3,917,595
Residential		18,948		3,416		—		22,171		44,535		2,122,518
Consumer:
Home equity		1,467		230		68		5,185		6,950		500,557
Auto		6,487		1,402		532		2,695		11,116		1,137,556
Other		3,967		1,514		150		5,249		10,880		212,188
Total loans	$	34,102	$	7,011	$	894	$	124,927	$	166,934	$	10,951,187

(1) Includes purchased credit impaired loans of $11.3 million at June 30, 2018 and $12.6 million at December 31, 2017 that are categorized as nonaccrual for credit analysis purposes because the collection of principal or interest is doubtful. However, these loans are accounted for under FASB ASC 310-30 and accordingly treated as performing assets.

Schedule of Activity in Trouble Debt Restructurings

The following table presents activity in TDRs for the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Commercial			Commercial Real Estate			Residential			Consumer			Total
Six Months Ended June 30, 2018
Balance at beginning of period	$	12,088		$	34,705		$	3,315		$	3,895		$	54,003
(Charge-offs)/recoveries		(151	)		(22	)		23			(22	)		(172	)
Payments		(3,978	)		(969	)		(69	)		(907	)		(5,923	)
Additions		1,084			1,213			502			432			3,231
Balance at end of period	$	9,043		$	34,927		$	3,771		$	3,398		$	51,139
Six Months Ended June 30, 2017
Balance at beginning of period	$	16,802		$	18,327		$	2,985		$	2,602		$	40,716
(Charge-offs)/recoveries		(64	)		360			—			(97	)		199
Payments		(6,116	)		(3,057	)		(283	)		(785	)		(10,241	)
Additions		9,442			17,429			938			1,924			29,733
Balance at end of period	$	20,064		$	33,059		$	3,640		$	3,644		$	60,407

Schedule of Loans by Class Modified as Troubled Debt Restructuring

The following table presents loans by class modified as TDRs that occurred during the six months ended June 30, 2018 and 2017:

(dollars in thousands)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment
Six Months Ended June 30, 2018
TDR:
Commercial		2	$	1,084	$	1,084
Commercial Real Estate - Other		2		1,213		1,213
Residential		1		502		502
Consumer		1		432		432
Total		6	$	3,231	$	3,231
Six Months Ended June 30, 2017
TDR:
Commercial		6	$	9,442	$	9,442
Commercial Real Estate - Other		10		17,429		17,429
Residential		6		938		938
Consumer		5		1,924		1,924
Total		27	$	29,733	$	29,733

Schedule of Activity of Purchased Impaired Loans

For these loans that meet the criteria of ASC 310-30 treatment, the carrying amount was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Commercial	$	4,359		$	5,152
Commercial real estate		20,561			21,826
Residential		4,242			11,303
Consumer		10,315			5,245
Carrying amount		39,477			43,526
Allowance for loan losses		(326	)		(166	)
Carrying amount, net of allowance	$	39,151		$	43,360

Schedule of Accretable Yield of PCI Loans, or Income Expected to be Collected

Accretable yield of PCI loans, or income expected to be collected, is as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	27,835		$	33,603
Accretion of income		(7,073	)		(7,330	)
Reclassifications from (to) nonaccretable difference		3,466			594
Disposals/other adjustments		21			183
Balance at end of period	$	24,249		$	27,050

Schedule of Receivables for which Contractually Required Payments would not be Collected

PCI loans purchased during 2017 for which it was probable at acquisition that all contractually required payments would not be collected were as follows:

(dollars in thousands)	Anchor (MN) (1)
Contractually required payments	$	16,898
Nonaccretable difference		(4,787	)
Cash flows expected to be collected at acquisition		12,111
Accretable yield		(1,556	)
Fair value of acquired loans at acquisition	$	10,555

(1) Old National acquired Anchor (MN) effective November 1, 2017.

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Other Real Estate Owned (Tables)

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Activity in Other Real Estate Owned

The following table presents activity in other real estate owned for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	8,810		$	18,546
Additions		1,175			950
Sales		(5,625	)		(6,552	)
Impairment		(631	)		(1,873	)
Balance at end of period (1)	$	3,729		$	11,071

(1) Includes repossessed personal property of $0.3 million at June 30, 2018 and $0.2 million at June 30, 2017.

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Premises and Equipment (Tables)

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Summary of Premises and Equipment

The composition of premises and equipment at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	June 30, 2018			December 31, 2017
Land	$	70,628		$	73,046
Buildings		339,378			343,833
Furniture, fixtures, and equipment		98,793			94,254
Leasehold improvements		40,165			38,918
Total		548,964			550,051
Accumulated depreciation		(99,660	)		(91,977	)
Premises and equipment, net	$	449,304		$	458,074

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The following table shows the changes in the carrying amount of goodwill for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	828,051	$	655,018
Acquisition adjustments		753		—
Balance at end of period	$	828,804	$	655,018

Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets

The gross carrying amount and accumulated amortization of other intangible assets at June 30, 2018 and December 31, 2017 were as follows:

(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization and Impairment			Net Carrying Amount
June 30, 2018
Core deposit	$	108,268	$	(69,065	)	$	39,203
Customer trust relationships		16,547		(10,333	)		6,214
Total intangible assets	$	124,815	$	(79,398	)	$	45,417
December 31, 2017
Core deposit	$	108,923	$	(62,874	)	$	46,049
Customer trust relationships		16,547		(9,533	)		7,014
Customer loan relationships		4,413		(4,380	)		33
Total intangible assets	$	129,883	$	(76,787	)	$	53,096

Schedule of Estimated Amortization Expense for Future Years

Estimated amortization expense for future years is as follows:

(dollars in thousands)
2018 remaining	$	6,399
2019		11,010
2020		8,672
2021		6,417
2022		4,595
Thereafter		8,324
Total	$	45,417

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Loan Servicing Rights (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Components of Loan Servicing Rights and Valuation Allowance

The following table summarizes the carrying values and activity related to loan servicing rights and the related valuation allowance for the six months ended June 30, 2018 and 2017:

	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Balance at beginning of period	$	24,690		$	25,629
Additions		1,951			1,976
Amortization		(2,323	)		(2,507	)
Balance before valuation allowance at end of period		24,318			25,098
Valuation allowance:
Balance at beginning of period		(29	)		(68	)
(Additions)/recoveries		14			(7	)
Balance at end of period		(15	)		(75	)
Loan servicing rights, net	$	24,303		$	25,023

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Qualified Affordable Housing Projects and Other Tax Credit Investments (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of Qualified Affordable Housing Projects and Other Tax Credit Investments

The following table summarizes Old National’s investments in qualified affordable housing projects and other tax credit investments at June 30, 2018 and December 31, 2017:

(dollars in thousands)		June 30, 2018				December 31, 2017
Investment	Accounting Method	Investment		Unfunded Commitment (1)		Investment		Unfunded Commitment
LIHTC	Proportional amortization	$	29,802	$	6,719	$	31,183	$	15,553
FHTC	Equity		5,201		10,710		10,645		12,040
CReED	Equity		704		1,502		704		1,502
Renewable Energy	Equity		15,136		18,588		22,364		19,771
Total		$	50,843	$	37,519	$	64,896	$	48,866

(1) All commitments will be paid by Old National by 2027.

The following table summarizes the amortization expense and tax benefit recognized for Old National’s qualified affordable housing projects and other tax credit investments for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Amortization Expense (1)		Tax Expense (Benefit) Recognized (2)
Three Months Ended June 30, 2018
LIHTC	$	643	$	(831	)
FHTC		5,444		(1,948	)
Renewable Energy		6,414		(2,882	)
Total	$	12,501	$	(5,661	)
Three Months Ended June 30, 2017
LIHTC	$	940	$	(1,298	)
FHTC		—		(1,519	)
CReED (3)		—		(606	)
Total	$	940	$	(3,423	)
Six Months Ended June 30, 2018
LIHTC	$	1,282	$	(1,662	)
FHTC		5,444		(3,896	)
Renewable Energy		7,129		(6,296	)
Total	$	13,855	$	(11,854	)
Six Months Ended June 30, 2017
LIHTC	$	1,881	$	(2,595	)
FHTC		—		(3,039	)
CReED (3)		—		(606	)
Total	$	1,881	$	(6,240	)

(1) The amortization expense for the LIHTC investments is included in our income tax expense. The amortization expense for the FHTC and Renewable Energy tax credits is included in noninterest expense.

(2) All of the tax benefits recognized are included in our income tax expense. The tax benefit recognized for the FHTC and Renewable Energy investments primarily reflects the tax credits generated from the investments, and excludes the net tax expense (benefit) of the investments’ income (loss).

(3) The CReED tax credit investment qualifies for an Indiana state tax credit.

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Securities Sold Under Agreements to Repurchase (Tables)

6 Months Ended

Jun. 30, 2018

Transfers and Servicing [Abstract]

Schedule of Securities Sold under Agreements to Repurchase and Related Weighted-Average Interest Rates

The following table presents securities sold under agreements to repurchase and related weighted-average interest rates at or for the six months ended June 30:

(dollars in thousands)	2018			2017
Outstanding at June 30,	$	347,511		$	298,094
Average amount outstanding		337,612			330,285
Maximum amount outstanding at any month-end		347,511			351,897
Weighted average interest rate:
During the six months ended June 30,		0.47	%		0.36	%
At June 30,		0.59			0.41

Schedule of Remaining Contractual Maturity of Secured Borrowings and Class of Collateral Pledged Under Repurchase Agreements

The following table presents the contractual maturity of our secured borrowings and class of collateral pledged:

	At June 30, 2018
	Remaining Contractual Maturity of the Agreements
(dollars in thousands)	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 days		Total
Repurchase Agreements:
U.S. Treasury and agency securities	$	347,511	$	—	$	—	$	—	$	347,511
Total	$	347,511	$	—	$	—	$	—	$	347,511

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Federal Home Loan Bank Advances (Tables)

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Summary of FHLB Advances

The following table summarizes Old National Bank’s FHLB advances at June 30, 2018 and December 31, 2017:

	June 30,		December 31,
(dollars in thousands)	2018		2017
FHLB advances (fixed rates 1.50% to 6.08% and variable rates 2.23% to 2.50%) maturing July 2018 to June 2028	$	1,756,730	$	1,610,531
ASC 815 fair value hedge and other basis adjustments		578		(952	)
Total other borrowings	$	1,757,308	$	1,609,579

Summary of Contractual Maturities of FHLB Advances

Contractual maturities of FHLB advances at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	626,567
Due in 2019		201,494
Due in 2020		100,000
Due in 2021		20,000
Due in 2022		58,500
Thereafter		750,169
ASC 815 fair value hedge and other basis adjustments		578
Total	$	1,757,308

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Other Borrowings (Tables)

6 Months Ended

Jun. 30, 2018

Other Borrowings

The following table summarizes Old National’s other borrowings at June 30, 2018 and December 31, 2017:

	June 30,			December 31,
(dollars in thousands)	2018			2017
Old National Bancorp:
Senior unsecured notes (fixed rate 4.125%) maturing August 2024	$	175,000		$	175,000
Unamortized debt issuance costs related to senior unsecured notes		(949	)		(1,026	)
Junior subordinated debentures (variable rates of 3.68% to 6.22%) maturing April 2032 to September 2037		60,310			60,310
Other basis adjustments		(3,318	)		(3,585	)
Old National Bank:
Capital lease obligations		5,326			5,389
Subordinated debentures (fixed rate 5.75%)		12,000			12,000
Other		1,872			694
Total other borrowings	$	250,241		$	248,782

Contractual Maturities of Other Borrowings

Contractual maturities of other borrowings at June 30, 2018 were as follows:

(dollars in thousands)
Due in 2018	$	1,286
Due in 2019		137
Due in 2020		147
Due in 2021		160
Due in 2022		172
Thereafter		251,956
Unamortized debt issuance costs and other basis adjustments		(3,617	)
Total	$	250,241

Future Minimum Lease Payments under Capital Lease Arrangements

At June 30, 2018, the future minimum lease payments under the capital lease arrangements were as follows:

(dollars in thousands)
2018	$	284
2019		589
2020		589
2021		589
2022		589
Thereafter		9,275
Total minimum lease payments		11,915
Less amounts representing interest		(6,589	)
Present value of net minimum lease payments	$	5,326

Junior Subordinated Debt [Member]

Other Borrowings

The following table summarizes the terms of our outstanding junior subordinated debentures at June 30, 2018:

(dollars in thousands)					Rate at
		Issuance			June 30,
Name of Trust	Issuance Date	Amount		Rate	2018			Maturity Date
VFSC Capital Trust I	April 2002	$	3,093	3-month LIBOR plus 3.70%		6.22	%	April 22, 2032
VFSC Capital Trust II	October 2002		4,124	3-month LIBOR plus 3.45%		5.79	%	November 7, 2032
VFSC Capital Trust III	April 2004		3,093	3-month LIBOR plus 2.80%		5.12	%	September 8, 2034
St. Joseph Capital Trust II	March 2005		5,000	3-month LIBOR plus 1.75%		4.08	%	March 20, 2035
Anchor Capital Trust III	August 2005		5,000	3-month LIBOR plus 1.55%		3.89	%	September 30, 2035
Tower Capital Trust 2	December 2005		8,000	3-month LIBOR plus 1.34%		3.68	%	December 4, 2035
Home Federal Statutory Trust I	September 2006		15,000	3-month LIBOR plus 1.65%		3.99	%	September 15, 2036
Monroe Bancorp Capital Trust I	July 2006		3,000	3-month LIBOR plus 1.60%		3.95	%	October 7, 2036
Monroe Bancorp Statutory Trust II	March 2007		5,000	3-month LIBOR plus 1.60%		3.94	%	June 15, 2037
Tower Capital Trust 3	December 2006		9,000	3-month LIBOR plus 1.69%		3.99	%	September 15, 2037
Total		$	60,310

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Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Schedule of AOCI

The following table summarizes the changes within each classification of AOCI, net of tax, for the three and six months ended June 30, 2018 and 2017:

(dollars in thousands)	Unrealized Gains and Losses on Available-for-Sale Securities			Unrealized Gains and Losses on Held-to-Maturity Securities			Gains and Losses on Cash Flow Hedges			Defined Benefit Pension Plans			Total
Three Months Ended June 30, 2018
Balance at beginning of period	$	(52,605	)	$	(9,737	)	$	1,126		$	(310	)	$	(61,526	)
Other comprehensive income (loss) before reclassifications		(5,615	)		—			1,143			—			(4,472	)
Amounts reclassified from AOCI to income (1)		(1,136	)		402			8			21			(705	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Three Months Ended June 30, 2017
Balance at beginning of period	$	(29,992	)	$	(13,015	)	$	(5,240	)	$	(318	)	$	(48,565	)
Other comprehensive income (loss) before reclassifications		19,492			—			(1,480	)		—			18,012
Amounts reclassified from AOCI to income (1)		(1,957	)		298			1,075			17			(567	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)
Six Months Ended June 30, 2018
Balance at beginning of period	$	(35,557	)	$	(12,107	)	$	(2,337	)	$	(271	)	$	(50,272	)
Other comprehensive income (loss) before reclassifications		(14,486	)		4,514			4,587			—			(5,385	)
Amounts reclassified from AOCI to income (1)		(1,730	)		858			588			41			(243	)
Amount reclassified from AOCI to retained earnings for cumulative effect of change in accounting principle (2)		—			—			(52	)		—			(52	)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017 (3)		(7,583	)		(2,600	)		(509	)		(59	)		(10,751	)
Balance at end of period	$	(59,356	)	$	(9,335	)	$	2,277		$	(289	)	$	(66,703	)
Six Months Ended June 30, 2017
Balance at beginning of period	$	(39,012	)	$	(13,310	)	$	(6,715	)	$	(335	)	$	(59,372	)
Other comprehensive income (loss) before reclassifications		29,459			—			(1,120	)		—			28,339
Amounts reclassified from AOCI to income (1)		(2,904	)		593			2,190			34			(87	)
Balance at end of period	$	(12,457	)	$	(12,717	)	$	(5,645	)	$	(301	)	$	(31,120	)

(1) See table below for details about reclassifications to income.

(2) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2017-12.

(3) See Note 3 for details about reclassification from AOCI to beginning retained earnings resulting from the adoption of ASU 2018-02.

Reclassifications out of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the significant amounts reclassified out of each component of AOCI for the three months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Three Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	1,494		$	3,075		Net securities gains
		(358	)		(1,118	)	Income tax (expense) benefit
	$	1,136		$	1,957		Net income
Unrealized gains and losses on held-to-maturity securities	$	(521	)	$	(453	)	Interest income (expense)
		119			155		Income tax (expense) benefit
	$	(402	)	$	(298	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(10	)	$	(1,734	)	Interest income (expense)
		2			659		Income tax (expense) benefit
	$	(8	)	$	(1,075	)	Net income
Amortization of defined benefit pension items Actuarial gains (losses)	$	(27	)	$	(27	)	Salaries and employee benefits
		6			10		Income tax (expense) benefit
	$	(21	)	$	(17	)	Net income
Total reclassifications for the period	$	705		$	567		Net income

The following table summarizes the significant amounts reclassified out of each component of AOCI for the six months ended June 30, 2018 and 2017:

Details about AOCI Components	Amount Reclassified from AOCI						Affected Line Item in the Statement of Income
	Six Months Ended June 30,
(dollars in thousands)	2018			2017
Unrealized gains and losses on available-for-sale securities	$	2,282		$	4,575		Net securities gains
		(552	)		(1,671	)	Income tax (expense) benefit
	$	1,730		$	2,904		Net income
Unrealized gains and losses on held-to-maturity securities	$	(1,112	)	$	(902	)	Interest income/(expense)
		254			309		Income tax (expense) benefit
	$	(858	)	$	(593	)	Net income
Gains and losses on cash flow hedges Interest rate contracts	$	(779	)	$	(3,533	)	Interest income/(expense)
		191			1,343		Income tax (expense) benefit
	$	(588	)	$	(2,190	)	Net income
Amortization of defined benefit pension items Actuarial gains/(losses)	$	(54	)	$	(54	)	Salaries and employee benefits
		13			20		Income tax (expense) benefit
	$	(41	)	$	(34	)	Net income
Total reclassifications for the period	$	243		$	87		Net income

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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Summary of Differences in Taxes from Continuing Operations Computed at Statutory Rate

Following is a summary of the major items comprising the differences in taxes from continuing operations computed at the federal statutory rate and as recorded in the consolidated statements of income:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2018			2017			2018			2017
Provision at statutory rate (1)	$	10,153		$	17,303		$	21,270		$	33,572
Tax-exempt income:
Tax-exempt interest		(2,237	)		(3,672	)		(4,428	)		(7,374	)
Section 291/265 interest disallowance		73			64			135			121
Company-owned life insurance income		(510	)		(741	)		(1,057	)		(1,493	)
Tax-exempt income		(2,674	)		(4,349	)		(5,350	)		(8,746	)
State income taxes		1,028			195			2,216			1,046
Interim period effective rate adjustment		933			(286	)		1,025			(741	)
Tax credit investments - federal		(4,973	)		(1,877	)		(10,741	)		(3,753	)
Other, net		(122	)		(402	)		882			(303	)
Income tax expense	$	4,345		$	10,584		$	9,302		$	21,075
Effective tax rate		9.0	%		21.4	%		9.2	%		22.0	%

(1) The statutory rate was 21% for the three and six months ended June 30, 2018, compared to 35% for the three and six months ended June 30, 2017.

Summary of Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized tax benefits was as follows:

	Six Months Ended June 30,
(dollars in thousands)	2018		2017
Balance at beginning of period	$	874	$	777
Additions based on tax positions related to the current year		—		70
Balance at end of period	$	874	$	847

Schedule of Significant Components of Net Deferred Tax Assets (Liabilities)

Significant components of net deferred tax assets (liabilities) were as follows at June 30, 2018 and December 31, 2017:

(dollars in thousands)	June 30, 2018			December 31, 2017
Deferred Tax Assets
Allowance for loan losses, net of recapture	$	13,842		$	12,958
Benefit plan accruals		12,146			11,080
Alternative minimum tax credit		2,545			25,084
Unrealized losses on benefit plans		94			108
Net operating loss carryforwards		32,915			39,631
Federal tax credits		12,050			5,516
Other-than-temporary impairment		36			1,424
Deferred gain on securities		2,052			—
Acquired loans		23,976			29,669
Lease exit obligation		1,290			1,337
Unrealized losses on available-for-sale investment securities		18,733			14,011
Unrealized losses on held-to-maturity investment securities		2,746			3,630
Unrealized losses on hedges		—			923
Tax credit investments		862			—
Other real estate owned		181			369
Other, net		2,405			829
Total deferred tax assets		125,873			146,569
Deferred Tax Liabilities
Accretion on investment securities		(451	)		(493	)
Purchase accounting		(15,972	)		(16,718	)
Loan servicing rights		(5,970	)		(6,058	)
Premises and equipment		(9,512	)		(10,052	)
Prepaid expenses		(1,277	)		(1,277	)
Tax credit investments		—			(168	)
Unrealized gains on hedges		(742	)		—
Other, net		(1,762	)		(946	)
Total deferred tax liabilities		(35,686	)		(35,712	)
Net deferred tax assets	$	90,187		$	110,857

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Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Fair Value of Derivative Financial Instruments

The following table summarizes the fair value of derivative financial instruments utilized by Old National:

(dollars in thousands)	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
June 30, 2018
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	4,871		Other liabilities	$	1,656
Total derivatives designated as hedging instruments			$	4,871			$	1,656
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	8,524		Other liabilities	$	19,148
Mortgage contracts		Other assets		1,537		Other liabilities		352
Foreign currency contracts		Other assets		61		Other liabilities		40
Total derivatives not designated as hedging instruments			$	10,122			$	19,540
Total			$	14,993			$	21,196
December 31, 2017
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	3,351		Other liabilities	$	5,351
Total derivatives designated as hedging instruments			$	3,351			$	5,351
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	10,012		Other liabilities	$	10,933
Mortgage contracts		Other assets		747		Other liabilities		—
Foreign currency contracts		Other assets		8		Other liabilities		8
Total derivatives not designated as hedging instruments			$	10,767			$	10,941
Total			$	14,118			$	16,292

Schedule of Effect of Derivative Instruments on the Consolidated Statements of Income

The effect of derivative instruments in fair value hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

(dollars in thousands)								Gain (Loss) Recognized in Income on Related Hedged Items
Derivatives in Fair Value Hedging Relationships	Location of Gain or (Loss) Recognized in in Income on Derivative	Gain (Loss) Recognized in Income on Derivative			Hedged Items in Fair Value Hedging Relationships		Location of Gain or (Loss) Recognized in in Income on Related Hedged Item
Three Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(944	)		Fixed-rate debt	Interest income/(expense)	$	934
Three Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	77			Fixed-rate debt	Interest income/(expense)	$	(25	)
Six Months Ended June 30, 2018
Interest rate contracts	Interest income/(expense)	$	(1,663	)		Fixed-rate debt	Interest income/(expense)	$	1,655
Six Months Ended June 30, 2017
Interest rate contracts	Interest income/(expense)	$	(178	)		Fixed-rate debt	Interest income/(expense)	$	265

The difference between the gain (loss) recognized in income on derivatives and the gain (loss) recognized in income on the related hedged items represents hedge ineffectiveness. In addition, the net swap settlements that accrue each period are also reported in interest expense.

The effect of derivative instruments in cash flow hedging relationships on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,					Three Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	1,516	$	(2,387	)	$	(10	)	$	(1,734	)
		Six Months Ended June 30,					Six Months Ended June 30,
(dollars in thousands)		2018		2017			2018			2017
Derivatives in Cash Flow Hedging Relationships	Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)					Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Interest rate contracts	Interest income/(expense)	$	6,079	$	(1,807	)	$	(779	)	$	(3,533	)

The ineffective portion and amount excluded from effectiveness testing related to derivatives in cash flow hedging relationships was immaterial for the three and six months ended June 30, 2018 and 2017.

The effect of derivatives not designated as hedging instruments on the consolidated statements of income for the three and six months ended June 30, 2018 and 2017 were as follows:

		Three Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	13
Mortgage contracts	Mortgage banking revenue		(201	)		451
Foreign currency contracts	Other income/(expense)		6			—
Total		$	(168	)	$	464
		Six Months Ended June 30,
(dollars in thousands)		2018			2017
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Gain (Loss) Recognized in Income on Derivative
Interest rate contracts (1)	Other income/(expense)	$	27		$	23
Mortgage contracts	Mortgage banking revenue		437			(1,043	)
Foreign currency contracts	Other income/(expense)		23			—
Total		$	487		$	(1,020	)

(1) Includes the valuation differences between the customer and offsetting swaps.

XML

Fair Value (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis, including financial assets and liabilities for which we have elected the fair value option, are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,596	$	5,596	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,257		5,257		—		—
U.S. government-sponsored entities and agencies		568,231		—		568,231		—
Mortgage-backed securities - Agency		1,448,526		—		1,448,526		—
States and political subdivisions		797,533		—		793,505		4,028
Pooled trust preferred securities		8,205		—		—		8,205
Other securities		353,913		30,259		323,654		—
Residential loans held for sale		26,198		—		26,198		—
Derivative assets		14,993		—		14,993		—
Financial Liabilities
Derivative liabilities		21,196		—		21,196		—
			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Trading securities	$	5,584	$	5,584	$	—	$	—
Investment securities available-for-sale:
U.S. Treasury		5,551		5,551		—		—
U.S. government-sponsored entities and agencies		664,286		—		664,286		—
Mortgage-backed securities - Agency		1,667,682		—		1,667,682		—
States and political subdivisions		530,193		—		530,193
Pooled trust preferred securities		8,448		—		—		8,448
Other securities		320,047		30,965		289,082		—
Residential loans held for sale		17,930		—		17,930		—
Derivative assets		14,118		—		14,118		—
Financial Liabilities
Derivative liabilities		16,292		—		16,292		—

Reconciliation of All Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)

The table below presents a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

(dollars in thousands)	Pooled Trust Preferred Securities			States and Political Subdivisions
Six Months Ended June 30, 2018
Balance at beginning of period	$	8,448		$	—
Accretion (amortization) of discount		10			(18	)
Sales/payments received		(305	)		—
Increase (decrease) in fair value of securities		52			(15	)
Transfers into Level 3		—			4,061
Balance at end of period	$	8,205		$	4,028
Six Months Ended June 30, 2017
Balance at beginning of period	$	8,119		$	—
Accretion of discount		8			—
Sales/payments received		(212	)		—
Increase (decrease) in fair value of securities		182			—
Balance at end of period	$	8,097		$	—

Quantitative Information about Significant Unobservable Inputs Used in Fair Value Measurements

The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques		Unobservable Input	Range (Weighted Average)
June 30, 2018
Pooled trust preferred securities	$	8,205		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		3.4% - 4.4% (4.1%)
					Expected asset recoveries (c)		0.00%
State and political subdivisions		4,028		Discounted cash flow	No observable inputs Local municipality issuance Old National owns 100% Carried at par		N/A
December 31, 2017
Pooled trust preferred securities	$	8,448		Discounted cash flow	Constant prepayment rate (a)		0.00%
					Additional asset defaults (b)		4.2% - 9.6% (7.5%)
					Expected asset recoveries (c)		0.0% - 4.1% (0.6%)

(a) Assuming no prepayments.

(b) Each currently performing pool asset is assigned a default probability based on the banking environment, which is adjusted for specific issuer evaluation, of 0%, 50%, or 100%.

(c) Each currently defaulted pool asset is assigned a recovery probability based on specific issuer evaluation of 0%, 25%, or 100%.

Significant changes in any of the unobservable inputs used in the fair value measurement in isolation would result in a significant change to the fair value measurement. The pooled trust preferred securities Old National owns are subordinate note classes that rely on an ongoing cash flow stream to support their values. The senior note classes receive the benefit of prepayments to the detriment of subordinate note classes since the ongoing interest cash flow stream is reduced by the early redemption. Generally, a change in prepayment rates or additional pool asset defaults has an impact that is directionally opposite from a change in the expected recovery of a defaulted pool asset.

Assets measured at fair value on a non-recurring basis at June 30, 2018 are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	4,000	$	—	$	—	$	4,000
Commercial real estate loans		20,375		—		—		20,375
Foreclosed Assets:
Commercial real estate		762		—		—		762
Loan servicing rights		158		—		158		—

Impaired commercial and commercial real estate loans that are deemed collateral dependent are valued based on the fair value of the underlying collateral. These estimates are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. These impaired commercial and commercial real estate loans had a principal amount of $37.1 million, with a valuation allowance of $12.7 million at June 30, 2018. Old National recorded provision expense associated with these loans totaling $4.9 million for the three months ended June 30, 2018 and $6.5 million for the six months ended June 30, 2018. Old National recorded provision expense associated with impaired commercial and commercial real estate loans that were deemed collateral dependent totaling $5.1 million for the three months ended June 30, 2017 and $6.2 million for the six months ended June 30, 2017.

Other real estate owned and other repossessed property is measured at fair value less costs to sell and had a net carrying amount of $0.8 million at June 30, 2018. The estimates of fair value are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. There were write-downs of other real estate owned of $0.1 million for the three months ended June 30, 2018 and $0.4 million for the six months ended June 30, 2018. There were write-downs of other real estate owned of $0.8 million for the three months ended June 30, 2017 and $1.6 million for the six months ended June 30, 2017.

Loan servicing rights are evaluated for impairment based upon the fair value of the rights as compared to the carrying amount. If the carrying amount of an individual tranche exceeds fair value, impairment is recorded on that tranche so that the servicing asset is carried at fair value. Fair value is determined at a tranche level, based on market prices for comparable mortgage servicing contracts when available, or alternatively based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model utilizes a discount rate, weighted average prepayment speed, and other economic factors that market participants would use in estimating future net servicing income and that can be validated against available market data (Level 2). The valuation allowance for loan servicing rights with impairments at June 30, 2018 totaled $15 thousand. Old National recorded recoveries associated with these loan servicing rights totaling $4 thousand for the three months ended June 30, 2018 and $14 thousand for the six months ended June 30, 2018. There were impairments of loan servicing rights totaling $25 thousand for the three months ended June 30, 2017 and $7 thousand for the six months ended June 30, 2017.

Assets measured at fair value on a non-recurring basis at December 31, 2017 are summarized below:

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	2,217	$	—	$	—	$	2,217
Commercial real estate loans		26,319		—		—		26,319
Foreclosed Assets:
Commercial real estate		1,726		—		—		1,726
Residential		55		—		—		55
Loan servicing rights		2,964		—		2,964		—

At December 31, 2017, impaired commercial and commercial real estate loans had a principal amount of $38.6 million, with a valuation allowance of $10.1 million.

Other real estate owned and other repossessed property had a net carrying amount of $1.8 million at December 31, 2017.

The valuation allowance for loan servicing rights with impairments at December 31, 2017 totaled $29 thousand.

The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:

(dollars in thousands)	Fair Value		Valuation Techniques	Unobservable Input	Range (Weighted Average)
June 30, 2018
Collateral Dependent Impaired Loans
Commercial loans	$	4,000	Fair value of collateral	Discount for type of property, age of appraisal, and current status		25% - 35% (30%)
Commercial real estate loans		20,375	Fair value of collateral	Discount for type of property, age of appraisal and current status		0% - 20% (10%)
Foreclosed Assets
Commercial real estate		762	Fair value of collateral	Discount for type of property, age of appraisal, and current status		8% - 41% (21%)
December 31, 2017
Collateral Dependent Impaired Loans
Commercial loans	$	2,217	Fair value of collateral	Discount for type of property, age of appraisal, and current status		0% - 98% (49%)
Commercial real estate loans		26,319	Fair value of collateral	Discount for type of property, age of appraisal and current status		10% - 78% (32%)
Foreclosed Assets
Commercial real estate		1,726	Fair value of collateral	Discount for type of property, age of appraisal, and current status		7% - 25% (18%)
Residential (1)		55	Fair value of collateral	Discount for type of property, age of appraisal, and current status		39%

(1) There was only one foreclosed residential asset at December 31, 2017, so no range or weighted average rate is reported.

Assets Measured at Fair Value on a Non-Recurring Basis

Assets measured at fair value on a non-recurring basis at June 30, 2018 are summarized below:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	4,000	$	—	$	—	$	4,000
Commercial real estate loans		20,375		—		—		20,375
Foreclosed Assets:
Commercial real estate		762		—		—		762
Loan servicing rights		158		—		158		—

Impaired commercial and commercial real estate loans that are deemed collateral dependent are valued based on the fair value of the underlying collateral. These estimates are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. These impaired commercial and commercial real estate loans had a principal amount of $37.1 million, with a valuation allowance of $12.7 million at June 30, 2018. Old National recorded provision expense associated with these loans totaling $4.9 million for the three months ended June 30, 2018 and $6.5 million for the six months ended June 30, 2018. Old National recorded provision expense associated with impaired commercial and commercial real estate loans that were deemed collateral dependent totaling $5.1 million for the three months ended June 30, 2017 and $6.2 million for the six months ended June 30, 2017.

Other real estate owned and other repossessed property is measured at fair value less costs to sell and had a net carrying amount of $0.8 million at June 30, 2018. The estimates of fair value are based on the most recently available appraisals with certain adjustments made based on the type of property, age of appraisal, current status of the property, and other related factors to estimate the current value of the collateral. There were write-downs of other real estate owned of $0.1 million for the three months ended June 30, 2018 and $0.4 million for the six months ended June 30, 2018. There were write-downs of other real estate owned of $0.8 million for the three months ended June 30, 2017 and $1.6 million for the six months ended June 30, 2017.

Loan servicing rights are evaluated for impairment based upon the fair value of the rights as compared to the carrying amount. If the carrying amount of an individual tranche exceeds fair value, impairment is recorded on that tranche so that the servicing asset is carried at fair value. Fair value is determined at a tranche level, based on market prices for comparable mortgage servicing contracts when available, or alternatively based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model utilizes a discount rate, weighted average prepayment speed, and other economic factors that market participants would use in estimating future net servicing income and that can be validated against available market data (Level 2). The valuation allowance for loan servicing rights with impairments at June 30, 2018 totaled $15 thousand. Old National recorded recoveries associated with these loan servicing rights totaling $4 thousand for the three months ended June 30, 2018 and $14 thousand for the six months ended June 30, 2018. There were impairments of loan servicing rights totaling $25 thousand for the three months ended June 30, 2017 and $7 thousand for the six months ended June 30, 2017.

Assets measured at fair value on a non-recurring basis at December 31, 2017 are summarized below:

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral Dependent Impaired Loans:
Commercial loans	$	2,217	$	—	$	—	$	2,217
Commercial real estate loans		26,319		—		—		26,319
Foreclosed Assets:
Commercial real estate		1,726		—		—		1,726
Residential		55		—		—		55
Loan servicing rights		2,964		—		2,964		—

Schedule of Difference Between the Aggregate Fair Value and the Aggregate Remaining Principal Balance

The difference between the aggregate fair value and the aggregate remaining principal balance for loans for which the fair value option has been elected at June 30, 2018 and December 31, 2017 was as follows:

(dollars in thousands)	Aggregate Fair Value		Difference		Contractual Principal
June 30, 2018
Residential loans held for sale	$	26,198	$	967	$	25,231
December 31, 2017
Residential loans held for sale	$	17,930	$	546	$	17,384

Accrued interest at period end is included in the fair value of the instruments.

The following table presents the amount of gains and losses from fair value changes included in income before income taxes for financial assets carried at fair value:

(dollars in thousands)	Other Gains and (Losses)		Interest Income		Interest (Expense)			Total Changes in Fair Values Included in Current Period Earnings
Three Months Ended June 30, 2018
Residential loans held for sale	$	387	$	3	$	—		$	390
Three Months Ended June 30, 2017
Residential loans held for sale	$	279	$	1	$	—		$	280
Six Months Ended June 30, 2018
Residential loans held for sale	$	422	$	3	$	(4	)	$	421
Six Months Ended June 30, 2017
Residential loans held for sale	$	697	$	2	$	—		$	699

Carrying Amounts and Estimated Fair Values of Financial Instruments, Not Carried at Fair Value

The carrying amounts and estimated fair values of financial instruments not carried at fair value on the balance sheet at June 30, 2018 and December 31, 2017 were as follows:

			Fair Value Measurements at June 30, 2018 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	273,874	$	273,874	$	—	$	—
Investment securities held-to-maturity:
U.S. government-sponsored entities and agencies		73,570		—		71,284		—
Mortgage-backed securities - Agency		139,594		—		135,784		—
State and political subdivisions		312,554		—		317,529		—
FHLB/Federal Reserve Bank stock		136,206		N/A		N/A		N/A
Loans, net:
Commercial		2,941,508		—		—		2,845,502
Commercial real estate		4,429,274		—		—		4,330,899
Residential real estate		2,152,106		—		—		2,117,999
Consumer credit		1,719,081		—		—		1,669,906
Accrued interest receivable		81,290		13		23,122		58,155
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,600,793	$	3,600,793	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,171,033		7,171,033		—		—
Time deposits		1,824,550		—		1,822,203		—
Federal funds purchased and interbank borrowings		175,044		175,044		—		—
Securities sold under agreements to repurchase		347,511		347,511		—		—
FHLB advances		1,757,308		—		—		1,747,022
Other borrowings		250,241		—		249,150		—
Accrued interest payable		7,510		—		7,510		—
Standby letters of credit		397		—		—		397
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	3,847

N/A = not applicable

			Fair Value Measurements at December 31, 2017 Using
(dollars in thousands)	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets
Cash, due from banks, money market, and other interest-earning investments	$	290,432	$	290,432	$	—	$	—
Investment securities held-to-maturity:
Mortgage-backed securities - Agency		6,903		—		7,056		—
State and political subdivisions		677,160		—		720,647		—
FHLB/Federal Reserve Bank stock		119,686		N/A		N/A		N/A
Loans, net:
Commercial		2,698,023		—		—		2,707,385
Commercial real estate		4,333,116		—		—		4,347,949
Residential real estate		2,165,290		—		—		2,210,951
Consumer credit		1,871,311		—		—		1,998,194
Accrued interest receivable		87,102		16		24,001		63,085
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits	$	3,680,807	$	3,680,807	$	—	$	—
Checking, NOW, savings, and money market interest-bearing deposits		7,290,521		7,290,521		—		—
Time deposits		1,634,436		—		1,620,685		—
Federal funds purchased and interbank borrowings		335,033		335,033		—		—
Securities sold under agreements to repurchase		384,810		359,810		25,133		—
FHLB advances		1,609,579		—		—		1,607,189
Other borrowings		248,782		—		250,443		—
Accrued interest payable		7,029		—		7,029		—
Standby letters of credit		351		—		—		351
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	—	$	—	$	—	$	2,449

N/A = not applicable

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Revenue Recognition - Summary of Topic 606 Revenue Items (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Wealth Management fees	$ 9,746	$ 9,679	$ 18,772	$ 18,678
Services charges on deposit accounts	10,765	10,040	21,524	19,883
Debit card and ATM fees	5,080	4,436	9,945	8,672
Investment product fees	5,066	5,004	10,097	9,993
Other income:
Merchant processing fees	5,189	5,186	9,381	9,412
Gain (loss) on other real estate owned	586	(41)	721	617
Safe deposit box fees	224	207	628	514
Insurance premiums and commissions	78	160	182	267
Total	32,323	30,118	63,288	59,854
Clearing Service
Other income:
Merchant processing fees	$ 778	$ 633	$ 1,419	$ 1,230

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Recent Accounting Pronouncements - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jan. 01, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		$ 471,777,000	$ 429,787,000	$ 471,777,000	$ 429,787,000	$ 413,130,000
Unrealized holding gains on available-for-sale portfolio		(6,751,000)	$ 17,535,000	(16,216,000)	$ 26,555,000
Modified retrospective basis through a cumulative-effect adjustment to retained earnings		1,000,000		1,000,000
Amounts reclassified from accumulated other comprehensive income	$ 10,800,000
Accounting Standards Update 2017-12 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		3,200,000		3,200,000
Reclassification of securities		324,000,000		324,000,000
Unrealized holding gains on available-for-sale portfolio				26,100,000
Accounting Standards Update 2017-12 [Member] | States and Political Subdivisions [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification of securities		$ 447,000,000		447,000,000
Minimum [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Anticipated increase in assets and liabilities				125,000,000
Maximum [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Anticipated increase in assets and liabilities				$ 140,000,000

XML

Acquisition and Divestiture Activity - Additional Information (Detail) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 20, 2018 USD ($) Branch $ / shares	Sep. 30, 2018 Branch	Jun. 30, 2018 USD ($) Branch $ / shares shares	Dec. 31, 2017 Branch	Mar. 31, 2018 USD ($)	Nov. 01, 2017 Branch
Business Acquisition [Line Items]
Number of banking centers consolidated | Branch			9	29
Closing price per share | $ / shares	$ 19.05
Transaction value	$ 433.8
Marine Credit Union of La Crosse, Wisconsin [member]
Business Acquisition [Line Items]
Number of branches for sale | Branch			10
Branch sale, assumed deposits			$ 261.0
Scenario, Forecast [Member]
Business Acquisition [Line Items]
Number of banking centers consolidated | Branch		1
Anchor Bank (MN) [Member]
Business Acquisition [Line Items]
Portion of share received by merged entity			1.350
Consideration received in cash by merged entity | $ / shares			$ 2.625
Total fair value of consideration paid			$ 332.8
Purchase price of acquisition, cash			$ 31.9
Issuance of common stock shares for acquisitions of business | shares			16.5
Value of issuance common stock shares			$ 300.8
Transaction and integration costs associated with the acquisition			$ 17.0
Anchor Bank (MN) [Member] | Core Deposit [Member]
Business Acquisition [Line Items]
Estimated useful life of intangible assets			10 years
Estimated fair value of intangible assets acquired			$ 26.6
Anchor Bank (MN) [Member] | Minnesota [Member]
Business Acquisition [Line Items]
Number of branches | Branch						17
Minnesota-based Klein [Member]
Business Acquisition [Line Items]
Number of branches | Branch	18
Portion of share received by merged entity	7.92
Stock merger acquisition ratio	100.00%
Reported total assets of acquire					$ 2,000.0
Total deposit liabilities held by acquire					$ 1,700.0

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Acquisition and Divestiture Activity - Summary of Fair Values of Acquired Assets, Liabilities Assumed and Resulting Goodwill (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill	$ 828,804	$ 828,051	$ 655,018	$ 655,018
Anchor Bank (MN) [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	34,501
Investment securities	302,195
FHLB/Federal Reserve Bank stock	6,585
Loans held for sale	1,407
Loans	1,593,991
Premises and equipment	33,433
Accrued interest receivable	5,872
Other real estate owned	1,058
Company-owned life insurance	44,490
Other assets	30,036
Deposits	(1,777,588)
Federal funds purchased and interbank borrowings	(45,600)
Securities sold under agreements to repurchase	(22,965)
Other borrowings	(49,257)
Accrued expenses and other liabilities	(25,784)
Net tangible assets acquired	132,374
Definite-lived intangible assets acquired	26,606
Goodwill	173,785
Total consideration	$ 332,765

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Acquisition and Divestiture Activity - Schedule of Acquired Loan Data (Detail) - Anchor Bank (MN) [Member] $ in Thousands	Jun. 30, 2018 USD ($)
Loans at Acquisition Date [Line Items]
Fair Value of Acquired Loans at Acquisition Date	$ 1,593,991
Acquired Receivables Subject to ASC 310-30 [Member]
Loans at Acquisition Date [Line Items]
Fair Value of Acquired Loans at Acquisition Date	10,555
Gross Contractual Cash Flows at Acquisition Date	16,898
Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected	4,787
Acquired Receivables Not Subject to ASC 310-30 [Member]
Loans at Acquisition Date [Line Items]
Fair Value of Acquired Loans at Acquisition Date	1,583,436
Gross Contractual Cash Flows at Acquisition Date	1,879,449
Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected	$ 87,767

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Net Income Per Share - Summary of Table Reconciling Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 44,001	$ 38,854	$ 91,984	$ 74,846
Basic Earnings Per Share, Weighted average common shares outstanding	151,878	135,085	151,800	134,999
Basic Net Income Per Share	$ 0.29	$ 0.28	$ 0.61	$ 0.55
Net income	$ 44,001	$ 38,854	$ 91,984	$ 74,846
Diluted Earnings Per Share, Weighted average common shares outstanding	151,878	135,085	151,800	134,999
Effect of dilutive securities: Restricted stock	623	523	610	543
Effect of dilutive securities: Stock options	67	89	73	99
Diluted Earnings Per Share, Weighted average shares outstanding	152,568	135,697	152,483	135,641
Diluted Net Income Per Share	$ 0.29	$ 0.28	$ 0.60	$ 0.55

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Net Income Per Share - Summary of Table Reconciling Basic and Diluted Net Income Per Share (Parenthetical) (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Stock Options [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Antidilutive securities not included in the computation of net income per diluted share	14	55	14	55

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Investment Securities - Amortized Cost and Fair Value of Available-for-Sale and Held-to-Maturity Investment Securities Portfolio (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	$ 3,259,440	$ 3,252,586
Available-for-Sale, Unrealized Gains	9,252	7,943
Available-for-Sale, Unrealized Losses	(87,027)	(64,322)
Available-for-Sale securities, Fair Value	3,181,665	3,196,207	$ 2,814,338
Held-to-Maturity, Amortized Cost	525,718	684,063	695,139
Held-to-Maturity, Unrealized Gains	7,267	43,648
Held-to-Maturity, Unrealized Losses	(8,388)	(8)
Held-to-Maturity, Fair Value	524,597	727,703	749,363
U.S. Treasury [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	5,312	5,473
Available-for-Sale, Unrealized Gains		83
Available-for-Sale, Unrealized Losses	(55)	(5)
Available-for-Sale securities, Fair Value	5,257	5,551	5,634
U.S. Government-Sponsored Entities and Agencies [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	583,644	675,643
Available-for-Sale, Unrealized Gains		3
Available-for-Sale, Unrealized Losses	(15,413)	(11,360)
Available-for-Sale securities, Fair Value	568,231	664,286	580,624
Held-to-Maturity, Amortized Cost	73,570
Held-to-Maturity, Unrealized Losses	(2,286)
Held-to-Maturity, Fair Value	71,284
Mortgage-Backed Securities - Agency [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	1,503,636	1,704,014
Available-for-Sale, Unrealized Gains	501	1,600
Available-for-Sale, Unrealized Losses	(55,611)	(37,932)
Available-for-Sale securities, Fair Value	1,448,526	1,667,682	1,462,111
Held-to-Maturity, Amortized Cost	139,594	6,903
Held-to-Maturity, Unrealized Gains	58	153
Held-to-Maturity, Unrealized Losses	(3,868)
Held-to-Maturity, Fair Value	135,784	7,056
States and Political Subdivisions [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	793,141	529,835
Available-for-Sale, Unrealized Gains	8,406	5,085
Available-for-Sale, Unrealized Losses	(4,014)	(4,727)
Available-for-Sale securities, Fair Value	797,533	530,193	$ 431,874
Held-to-Maturity, Amortized Cost	312,554	677,160
Held-to-Maturity, Unrealized Gains	7,209	43,495
Held-to-Maturity, Unrealized Losses	(2,234)	(8)
Held-to-Maturity, Fair Value	317,529	720,647
Pooled Trust Preferred Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	13,887	16,605
Available-for-Sale, Unrealized Losses	(5,682)	(8,157)
Available-for-Sale securities, Fair Value	8,205	8,448
Other Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Amortized Cost	359,820	321,016
Available-for-Sale, Unrealized Gains	345	1,172
Available-for-Sale, Unrealized Losses	(6,252)	(2,141)
Available-for-Sale securities, Fair Value	$ 353,913	$ 320,047

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Investment Securities - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018 USD ($) Security	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Security	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Investment [Line Items]
Trading securities that consist of mutual funds	$ 5,596,000	$ 5,235,000	$ 5,596,000	$ 5,235,000	$ 5,584,000
Held-to-Maturity, Unrecognized Losses	$ 20,895,000		20,895,000		8,000
OTTI losses on securities			$ 0	0
Number of securities in security portfolio | Security	1,628		1,628
Number of securities in unrealized loss position | Security	844		844
Unrealized losses	$ 87,027,000		$ 87,027,000		64,322,000
Proceeds from sale of trust preferred securities	47,064,000	152,689,000	131,321,000	186,277,000
Loss from sale of trust preferred securities	48,000	$ 13,000	1,305,000	$ 43,000
Held-to-maturity Securities [Member]
Investment [Line Items]
Unrealized holding loss net of tax					0
Held-to-Maturity, Unrecognized Losses	12,500,000		12,500,000
States and Political Subdivisions [Member]
Investment [Line Items]
Held-to-Maturity, Unrecognized Losses	5,158,000		5,158,000		8,000
Unrealized losses	$ 4,014,000		$ 4,014,000		4,727,000
Pooled Trust Preferred Securities [Member]
Investment [Line Items]
Number of pooled trust preferred securities | Security	2		2
Securities portfolio at fair value	$ 8,200,000		$ 8,200,000
Unrealized losses	5,682,000		5,682,000		8,157,000
Pooled Trust Preferred Securities, Subject To FASB ASC 325-10 [Member]
Investment [Line Items]
Proceeds from sale of trust preferred securities			1,800,000
Loss from sale of trust preferred securities			900,000
Accounting Standards Update 2017-12 [Member]
Investment [Line Items]
Reclassification of securities	324,000,000		324,000,000
Unrealized holding loss net of tax			10,800,000
Accounting Standards Update 2017-12 [Member] | States and Political Subdivisions [Member]
Investment [Line Items]
Reclassification of securities	447,000,000		447,000,000
Former Directors and Executives [Member]
Investment [Line Items]
Trading securities that consist of mutual funds	$ 5,600,000		$ 5,600,000		$ 5,600,000

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Investment Securities - Schedule of Proceeds from Sales or Calls and Realized Gain and Losses of Available-for-sale Investment Securities and Other Securities (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Debt Securities, Available-for-sale [Line Items]
Proceeds from sales of available-for-sale securities	$ 47,064	$ 152,689	$ 131,321	$ 186,277
Proceeds from calls of available-for-sale securities			220,753	252,486
Total	58,275	213,289	159,968	257,397
Realized gains on sales of available-for-sale securities	1,251	2,954	3,259	4,283
Realized losses on sales of available-for-sale securities	(48)	(13)	(1,305)	(43)
Other securities gains (losses)	12	141	97	343
Net securities gains (losses)	1,494	3,075	2,282	4,575
Calls [Member]
Debt Securities, Available-for-sale [Line Items]
Proceeds from calls of available-for-sale securities	11,211	60,600	28,647	71,120
Realized gains on calls of available-for-sale securities	283		284
Realized losses on calls of available-for-sale securities	$ (4)	$ (7)	$ (53)	$ (8)

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Investment Securities - Expected Maturities of Investment Securities Portfolio (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Available-for-Sale, Maturity, Within one year, Amortized Cost	$ 60,410
Available-for-Sale, Maturity, One to five years, Amortized Cost	511,930
Available-for-Sale, Maturity, Five to ten years, Amortized Cost	383,847
Available-for-Sale, Maturity, Beyond ten years, Amortized Cost	2,303,253
Available-for-Sale, Amortized Cost	3,259,440	$ 3,252,586
Held-to-Maturity, Maturity, Within one year, Amortized Cost	27,128
Held-to-Maturity, Maturity, One to five years, Amortized Cost	33,736
Held-to-Maturity, Maturity, Five to ten years, Amortized Cost	75,966
Held-to-Maturity, Maturity, Beyond ten years, Amortized Cost	388,888
Held-to-Maturity, Amortized Cost	525,718	684,063	$ 695,139
Available-for-Sale, Maturity, Within one year, Fair Value	60,376
Available-for-Sale, Maturity, One to five years, Fair Value	505,586
Available-for-Sale, Maturity, Five to ten years, Fair Value	380,192
Available-for-Sale, Maturity, Beyond ten years, Fair Value	2,235,511
Available-for-Sale securities, Fair Value	3,181,665	3,196,207	2,814,338
Held-to-Maturity, Maturity, Within one year, Fair Value	27,341
Held-to-Maturity, Maturity, One to five years, Fair Value	34,432
Held-to-Maturity, Maturity, Five to ten years, Fair Value	77,962
Held-to-Maturity, Maturity, Beyond ten years, Fair Value	384,862
Held-to-Maturity, Fair Value	$ 524,597	$ 727,703	$ 749,363
Available-for-Sale, Maturity, Within one year, Weighted Average Yield	2.22%
Available-for-Sale, Maturity, One to five years, Weighted Average Yield	2.29%
Available-for-Sale, Maturity, Five to ten years, Weighted Average Yield	3.03%
Available-for-Sale, Maturity, Beyond ten years, Weighted Average Yield	2.64%
Available-for-Sale, Weighted Average Yield	2.62%
Held-to-Maturity, Maturity, Within one year, Weighted Average Yield	3.75%
Held-to-Maturity, Maturity, One to five years, Weighted Average Yield	4.06%
Held-to-Maturity, Maturity, Five to ten years, Weighted Average Yield	4.38%
Held-to-Maturity, Maturity, Beyond ten years, Weighted Average Yield	3.59%
Held-to-Maturity, Weighted Average Yield	3.74%

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Investment Securities - Available-for-Sale and Held-to-Maturity Investment Securities with Unrealized Losses by Aggregated Major Security Type and Length of Time in Continuous Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	$ 1,376,418	$ 1,250,341
Available-for-Sale, Less than 12 Months, Unrealized Losses	(31,833)	(12,358)
Available-for-Sale, 12 months or longer, Fair Value	1,174,827	1,407,920
Available-for-Sale, 12 months or longer, Unrealized Losses	(55,194)	(51,964)
Available-for-Sale, Fair Value	2,551,245	2,658,261
Available-for-Sale, Unrealized Losses	(87,027)	(64,322)
Held-to-Maturity, Less than 12 Months, Fair Value	71,720	2,309
Held-to-Maturity, Less than 12 Months, Unrecognized Losses	(2,458)	(8)
Held-to-Maturity, 12 months or longer, Fair Value	240,653
Held-to-Maturity, 12 months or longer, Unrecognized Losses	(18,437)
Held-to-Maturity, Fair Value	312,373	2,309
Held-to-Maturity, Unrecognized Losses	(20,895)	(8)
U.S. Treasury [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	5,257	1,480
Available-for-Sale, Less than 12 Months, Unrealized Losses	(55)	(5)
Available-for-Sale, Fair Value	5,257	1,480
Available-for-Sale, Unrealized Losses	(55)	(5)
U.S. Government-Sponsored Entities and Agencies [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	178,133	201,773
Available-for-Sale, Less than 12 Months, Unrealized Losses	(3,476)	(1,333)
Available-for-Sale, 12 months or longer, Fair Value	390,097	408,493
Available-for-Sale, 12 months or longer, Unrealized Losses	(11,937)	(10,027)
Available-for-Sale, Fair Value	568,230	610,266
Available-for-Sale, Unrealized Losses	(15,413)	(11,360)
Held-to-Maturity, 12 months or longer, Fair Value	71,284
Held-to-Maturity, 12 months or longer, Unrecognized Losses	(5,716)
Held-to-Maturity, Fair Value	71,284
Held-to-Maturity, Unrecognized Losses	(5,716)
Mortgage-Backed Securities - Agency [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	728,486	789,804
Available-for-Sale, Less than 12 Months, Unrealized Losses	(20,942)	(8,692)
Available-for-Sale, 12 months or longer, Fair Value	657,333	774,825
Available-for-Sale, 12 months or longer, Unrealized Losses	(34,669)	(29,240)
Available-for-Sale, Fair Value	1,385,819	1,564,629
Available-for-Sale, Unrealized Losses	(55,611)	(37,932)
Held-to-Maturity, Less than 12 Months, Fair Value	35,489
Held-to-Maturity, Less than 12 Months, Unrecognized Losses	(992)
Held-to-Maturity, 12 months or longer, Fair Value	99,239
Held-to-Maturity, 12 months or longer, Unrecognized Losses	(9,029)
Held-to-Maturity, Fair Value	134,728
Held-to-Maturity, Unrecognized Losses	(10,021)
States and Political Subdivisions [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	278,063	196,024
Available-for-Sale, Less than 12 Months, Unrealized Losses	(3,761)	(1,899)
Available-for-Sale, 12 months or longer, Fair Value	8,239	90,637
Available-for-Sale, 12 months or longer, Unrealized Losses	(253)	(2,828)
Available-for-Sale, Fair Value	286,302	286,661
Available-for-Sale, Unrealized Losses	(4,014)	(4,727)
Held-to-Maturity, Less than 12 Months, Fair Value	36,231	2,309
Held-to-Maturity, Less than 12 Months, Unrecognized Losses	(1,466)	(8)
Held-to-Maturity, 12 months or longer, Fair Value	70,130
Held-to-Maturity, 12 months or longer, Unrecognized Losses	(3,692)
Held-to-Maturity, Fair Value	106,361	2,309
Held-to-Maturity, Unrecognized Losses	(5,158)	(8)
Pooled Trust Preferred Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, 12 months or longer, Fair Value	8,205	8,448
Available-for-Sale, 12 months or longer, Unrealized Losses	(5,682)	(8,157)
Available-for-Sale, Fair Value	8,205	8,448
Available-for-Sale, Unrealized Losses	(5,682)	(8,157)
Other Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale, Less than 12 Months, Fair Value	186,479	61,260
Available-for-Sale, Less than 12 Months, Unrealized Losses	(3,599)	(429)
Available-for-Sale, 12 months or longer, Fair Value	110,953	125,517
Available-for-Sale, 12 months or longer, Unrealized Losses	(2,653)	(1,712)
Available-for-Sale, Fair Value	297,432	186,777
Available-for-Sale, Unrealized Losses	$ (6,252)	$ (2,141)

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Investment Securities - Trust Preferred Securities (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) Item	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-Sale securities, Fair Value	$ 3,181,665	$ 3,196,207	$ 2,814,338
Pooled Trust Preferred Securities One [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Amortized Cost	13,887
Available-for-Sale securities, Fair Value	8,205
Available-for-Sale, Unrealized Gain/ (Loss)	(5,682)
Realized Losses 2017	$ 0
Pooled Trust Preferred Securities One [Member] | Pretsl XXVII LTD [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Pooled trust preferred securities, Class	B
Lowest Credit Rating	B
Amortized Cost	$ 4,382
Available-for-Sale securities, Fair Value	2,602
Available-for-Sale, Unrealized Gain/ (Loss)	(1,780)
Realized Losses 2017	$ 0
# of Issuers Currently Performing | Item	35
# of Issuers Currently Remaining | Item	44
Actual Deferrals and Defaults as a Percent of Original Collateral	16.70%
Expected Defaults as a % of Remaining Performing Collateral	4.20%
Excess Subordination as a % of Current Performing Collateral	46.10%
Pooled Trust Preferred Securities One [Member] | Trapeza Ser 13A [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Pooled trust preferred securities, Class	A2A
Lowest Credit Rating	BBB
Amortized Cost	$ 9,505
Available-for-Sale securities, Fair Value	5,603
Available-for-Sale, Unrealized Gain/ (Loss)	(3,902)
Realized Losses 2017	$ 0
# of Issuers Currently Performing | Item	48
# of Issuers Currently Remaining | Item	53
Actual Deferrals and Defaults as a Percent of Original Collateral	4.50%
Expected Defaults as a % of Remaining Performing Collateral	4.70%
Excess Subordination as a % of Current Performing Collateral	45.50%
Single Issuer Trust Preferred Securities [Member] | J P Morgan Chase Cap XIII [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Lowest Credit Rating	BBB-
Amortized Cost	$ 4,783
Available-for-Sale securities, Fair Value	4,550
Available-for-Sale, Unrealized Gain/ (Loss)	(233)
Realized Losses 2017	0
Trust Preferred Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Amortized Cost	18,670
Available-for-Sale securities, Fair Value	12,755
Available-for-Sale, Unrealized Gain/ (Loss)	(5,915)
Realized Losses 2017	$ 0

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Loans Held for Sale - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Servicing Assets at Fair Value [Line Items]
Mortgage loans held for sale	$ 26,198	$ 17,930	$ 27,425
Residential Mortgage Loans [Member]
Servicing Assets at Fair Value [Line Items]
Mortgage loans held for sale	$ 26,200	$ 17,900

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Loans and Allowance for Loan Losses - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Nov. 01, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial real estate	$ 4,451,772,000	$ 3,259,998,000	$ 4,354,552,000
Total loans	11,295,629,000	9,232,040,000	11,118,121,000
Loan participations sold	$ 412,800,000
Loan placed on nonaccrual when past due, number of days	90 days
Loan participations	$ 820,200,000
Loan participations retained	$ 407,400,000
Troubled debt restructuring term	6 months
Minimum number of days for loan charge off to be recorded	120 days
Maximum number of days for loan charge off to be recorded	180 days
Nonaccrual period for loans	90 days
Financing receivable TDR's included with non-accrual loans	$ 34,000,000		34,000,000
Financing receivable troubled debt restructurings specific reserves	4,800,000		5,700,000
Unfunded commitments on TDRs	4,000,000
Increase (decrease) in allowance for loan losses	0	3,400,000
Allowance for loan losses charge-offs	$ 0	0
Number of days for a loan to be considered to be in payment default	90 days
Outstanding loans including principal, interest, fees and penalties	$ 240,900,000		235,900,000
Accretion recorded as loan interest income	7,100,000	$ 7,300,000
Financing receivable allowance for loan losses related to purchased loans	300,000		200,000
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	2,153,973,000		2,167,053,000
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,726,989,000		1,879,247,000
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 4,451,772,000		4,354,552,000
Credit Concentration Risk [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Concentration Risk Percentage	10.00%
Credit Concentration Risk [Member] | Non Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Concentration Risk Percentage	10.00%
Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Value of small commercial loans on nonaccrual status or 90 days or more delinquent	$ 250,000
AnchorBank WI [Member] | Consumer [Member] | Student Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans			$ 68,200,000
Loan participations sold	64,900,000
AnchorBank WI [Member] | Consumer [Member] | Student Loan [Member] | Other Income [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gain on sale of student loan	$ 2,200,000
AnchorBank WI [Member] | Maximum [Member] | Consumer [Member] | Student Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan guarantee percentage	100.00%
AnchorBank WI [Member] | Minimum [Member] | Consumer [Member] | Student Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan guarantee percentage	97.00%
Anchor Bank (MN) [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial real estate				$ 864,400,000
Anchor Bank (MN) [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Percentage of risk-based capital	208.00%
Regulatory guideline limit	300.00%

XML

Loans and Allowance for Loan Losses - Schedule of Composition of Loan (Detail) (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	$ 11,295,629		$ 11,118,121	$ 9,232,040
Allowance for loan losses	(53,660)	$ (50,381)	(50,381)	(50,986)	$ (49,834)	$ (49,808)
Net loans	11,241,969		11,067,740	9,181,054
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	2,962,895		2,717,269
Allowance for loan losses	(21,387)	$ (19,591)	(19,246)	$ (20,365)	$ (22,108)	$ (21,481)
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	2,153,973		2,167,053
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	1,726,989		1,879,247
Consumer [Member] | Consumer Credit - Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	488,038		507,507
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	4,451,772		4,354,552
Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	490,990		374,306
Other [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	139,206		223,068
Other [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	3,960,782		3,980,246
Consumer Credit - Auto [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans by lending classification	$ 1,099,745		$ 1,148,672

XML

Loans and Allowance for Loan Losses - Schedule of Composition of Loan (Detail) (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Receivables [Abstract]
Direct finance leases	$ 24.8	$ 29.5

XML

Loans and Allowance for Loan Losses - Schedule of Activity in Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 50,381	$ 49,834	$ 50,381	$ 49,808
Charge-offs	(3,054)	(3,380)	(5,739)	(6,619)
Recoveries	3,887	3,177	6,192	6,095
Provision	2,446	1,355	2,826	1,702
Ending balance	53,660	50,986	53,660	50,986
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	19,591	22,108	19,246	21,481
Charge-offs	(472)	(411)	(717)	(881)
Recoveries	249	789	760	1,392
Provision	2,019	(2,121)	2,098	(1,627)
Ending balance	21,387	20,365	21,387	20,365
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	20,796	17,953	21,436	18,173
Charge-offs	(430)	(1,068)	(433)	(1,636)
Recoveries	583	1,522	1,067	2,747
Provision	1,549	2,247	428	1,370
Ending balance	22,498	20,654	22,498	20,654
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,763	1,736	1,763	1,643
Charge-offs	(295)	(313)	(657)	(727)
Recoveries	1,697	28	1,845	107
Provision	(1,298)	360	(1,084)	788
Ending balance	1,867	1,811	1,867	1,811
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	8,231	8,037	7,936	8,511
Charge-offs	(1,857)	(1,588)	(3,932)	(3,375)
Recoveries	1,358	838	2,520	1,849
Provision	176	869	1,384	1,171
Ending balance	$ 7,908	$ 8,156	$ 7,908	$ 8,156

XML

Loans and Allowance for Loan Losses - Schedule of Recorded Investment in Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	$ 14,033	$ 10,078
Allowance for loan losses, Collectively evaluated for impairment	39,301	40,137
Allowance for loan losses, Loans acquired with deteriorated credit quality	326	166
Total allowance for loan losses	53,660	50,381
Loans and leases outstanding, Individually evaluated for impairment	109,375	92,331
Loans and leases outstanding, Collectively evaluated for impairment	11,146,777	10,982,264
Loans and leases outstanding, Loans acquired with deteriorated credit quality	39,477	43,526
Total loans	11,295,629	11,118,121	$ 9,232,040
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	5,871	3,424
Allowance for loan losses, Collectively evaluated for impairment	15,409	15,790
Allowance for loan losses, Loans acquired with deteriorated credit quality	107	32
Total allowance for loan losses	21,387	19,246
Loans and leases outstanding, Individually evaluated for impairment	34,055	26,270
Loans and leases outstanding, Collectively evaluated for impairment	2,924,481	2,685,847
Loans and leases outstanding, Loans acquired with deteriorated credit quality	4,359	5,152
Total loans	2,962,895	2,717,269
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	8,162	6,654
Allowance for loan losses, Collectively evaluated for impairment	14,267	14,782
Allowance for loan losses, Loans acquired with deteriorated credit quality	69
Total allowance for loan losses	22,498	21,436
Loans and leases outstanding, Individually evaluated for impairment	75,320	66,061
Loans and leases outstanding, Collectively evaluated for impairment	4,355,891	4,266,665
Loans and leases outstanding, Loans acquired with deteriorated credit quality	20,561	21,826
Total loans	4,451,772	4,354,552
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Collectively evaluated for impairment	1,865	1,763
Allowance for loan losses, Loans acquired with deteriorated credit quality	2
Total allowance for loan losses	1,867	1,763
Loans and leases outstanding, Collectively evaluated for impairment	2,143,658	2,155,750
Loans and leases outstanding, Loans acquired with deteriorated credit quality	10,315	11,303
Total loans	2,153,973	2,167,053
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Collectively evaluated for impairment	7,760	7,802
Allowance for loan losses, Loans acquired with deteriorated credit quality	148	134
Total allowance for loan losses	7,908	7,936
Loans and leases outstanding, Collectively evaluated for impairment	1,722,747	1,874,002
Loans and leases outstanding, Loans acquired with deteriorated credit quality	4,242	5,245
Total loans	$ 1,726,989	$ 1,879,247

XML

Loans and Allowance for Loan Losses - Schedule of Risk Category of Commercial and Commercial Real Estate Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Risk Category Of Loans [Line Items]
Total	$ 2,962,895	$ 2,717,269	$ 2,001,621
Commercial [Member]
Risk Category Of Loans [Line Items]
Total	2,962,895	2,717,269
Commercial [Member] | Pass [Member]
Risk Category Of Loans [Line Items]
Total	2,815,085	2,577,824
Commercial [Member] | Criticized [Member]
Risk Category Of Loans [Line Items]
Total	70,168	74,876
Commercial [Member] | Classified - Substandard [Member]
Risk Category Of Loans [Line Items]
Total	41,382	37,367
Commercial [Member] | Classified - Nonaccrual [Member]
Risk Category Of Loans [Line Items]
Total	29,390	24,798
Commercial [Member] | Classified - Doubtful [Member]
Risk Category Of Loans [Line Items]
Total	6,870	2,404
Commercial Real Estate [Member] | Construction [Member]
Risk Category Of Loans [Line Items]
Total	490,990	374,306
Commercial Real Estate [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	3,960,782	3,980,246
Commercial Real Estate [Member] | Pass [Member] | Construction [Member]
Risk Category Of Loans [Line Items]
Total	467,663	357,438
Commercial Real Estate [Member] | Pass [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	3,765,884	3,762,896
Commercial Real Estate [Member] | Criticized [Member] | Construction [Member]
Risk Category Of Loans [Line Items]
Total	14,882	14,758
Commercial Real Estate [Member] | Criticized [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	69,841	98,451
Commercial Real Estate [Member] | Classified - Substandard [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	62,595	58,584
Commercial Real Estate [Member] | Classified - Nonaccrual [Member] | Construction [Member]
Risk Category Of Loans [Line Items]
Total	8,445	2,110
Commercial Real Estate [Member] | Classified - Nonaccrual [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	28,376	30,108
Commercial Real Estate [Member] | Classified - Doubtful [Member] | Other [Member]
Risk Category Of Loans [Line Items]
Total	$ 34,086	$ 30,207

XML

Loans and Allowance for Loan Losses - Schedule of Recorded Investment in Residential and Consumer Loans Based on Payment Activity (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment	$ 1,726,989	$ 1,879,247	$ 1,871,047
Residential real estate	2,153,973	2,167,053	$ 2,099,374
Consumer Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment	488,038	507,507
Consumer Home Equity [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Performing	483,350	502,322
Consumer Home Equity [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Nonperforming	4,688	5,185
Consumer Auto [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment	1,099,745	1,148,672
Consumer Auto [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Performing	1,097,256	1,145,977
Consumer Auto [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Nonperforming	2,489	2,695
Consumer - Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment	139,206	223,068
Consumer - Other [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Performing	137,666	217,819
Consumer - Other [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Nonperforming	1,540	5,249
Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Residential real estate	2,153,973	2,167,053
Residential [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Performing	2,130,775	2,144,882
Residential [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance receivable recorded investment, Nonperforming	$ 23,198	$ 22,171

XML

Loans and Allowance for Loan Losses - Schedule of Impaired Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Recorded Investment, Total	$ 115,981	$ 99,540
Unpaid Principal Balance, Total	121,130	107,700
Related Allowance	14,176	10,232
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with related allowance	14,468	5,713
Unpaid Principal Balance with related allowance	14,520	5,713
Related Allowance	5,871	3,424
Recorded Investment with no related allowance	19,587	20,557
Unpaid Principal Balance with no related allowance	20,337	21,483
Commercial Real Estate - Other [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with related allowance	22,013	26,478
Unpaid Principal Balance with related allowance	22,065	26,902
Related Allowance	5,482	6,253
Recorded Investment with no related allowance	44,862	38,678
Unpaid Principal Balance with no related allowance	48,214	44,564
Residential [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with related allowance	935	870
Unpaid Principal Balance with related allowance	935	870
Related Allowance	47	44
Recorded Investment with no related allowance	2,271	2,443
Unpaid Principal Balance with no related allowance	2,292	2,464
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with related allowance	1,917	2,211
Unpaid Principal Balance with related allowance	1,917	2,228
Related Allowance	96	110
Recorded Investment with no related allowance	1,483	1,685
Unpaid Principal Balance with no related allowance	1,601	2,105
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with related allowance	8,445	905
Unpaid Principal Balance with related allowance	9,249	1,371
Related Allowance	$ 2,680	$ 401

XML

Loans and Allowance for Loan Losses - Schedule of Average Balance (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment, Total	$ 108,923	$ 99,172	$ 107,820	$ 102,230
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment with no related allowance	20,228	25,817	20,073	26,038
Average Recorded Investment with an allowance recorded	11,846	8,448	10,091	7,996
Commercial Real Estate - Other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment with an allowance recorded	21,439	22,916	24,246	28,911
Residential [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment with no related allowance	2,189	2,376	2,274	2,121
Average Recorded Investment with an allowance recorded	942	1,147	918	1,125
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment with no related allowance	1,741	1,717	1,722	1,420
Average Recorded Investment with an allowance recorded	1,970	2,069	2,050	2,021
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment with no related allowance	43,893	$ 34,682	41,771	$ 32,598
Average Recorded Investment with an allowance recorded	$ 4,675		$ 4,675

XML

Loans and Allowance for Credit Losses - Schedule of Past Due Financing Receivables (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	$ 178,918	$ 166,934
Past Due 90 Days or More and Accruing	1,575	894
Nonaccrual	139,082	124,927
Current	11,116,711	10,951,187
30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	30,061	34,102
60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	8,200	7,011
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	37,466	28,692
Past Due 90 Days or More and Accruing	85	144
Nonaccrual	36,260	27,202
Current	2,925,429	2,688,577
Commercial [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	1,118	986
Commercial [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	3	360
Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	8,445	2,110
Nonaccrual	8,445	2,110
Current	482,545	372,196
Other [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	63,793	62,651
Nonaccrual	62,462	60,315
Current	3,896,989	3,917,595
Other [Member] | Commercial Real Estate [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	378	2,247
Other [Member] | Commercial Real Estate [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	953	89
Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	50,021	44,535
Past Due 90 Days or More and Accruing	389
Nonaccrual	23,198	22,171
Current	2,103,952	2,122,518
Residential [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	21,871	18,948
Residential [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	4,563	3,416
Consumer Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	7,138	6,950
Past Due 90 Days or More and Accruing	627	68
Nonaccrual	4,688	5,185
Current	480,900	500,557
Consumer Home Equity [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	780	1,467
Consumer Home Equity [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	1,043	230
Consumer Auto [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	9,651	11,116
Past Due 90 Days or More and Accruing	319	532
Nonaccrual	2,489	2,695
Current	1,090,094	1,137,556
Consumer Auto [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	5,584	6,487
Consumer Auto [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	1,259	1,402
Consumer - Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	2,404	10,880
Past Due 90 Days or More and Accruing	155	150
Nonaccrual	1,540	5,249
Current	136,802	212,188
Consumer - Other [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	330	3,967
Consumer - Other [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivables, Past Due	$ 379	$ 1,514

XML

Loans and Allowance for Credit Losses - Schedule of Past Due Financing Receivables (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Receivables [Abstract]
Purchased credit impaired loans	$ 11.3	$ 12.6

XML

Loans and Allowance for Credit Losses - Schedule of Activity in Troubled Debt Restructurings (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Impaired [Line Items]
Balance at beginning of period	$ 54,003	$ 40,716
(Charge-offs)/recoveries	(172)	199
Payments	(5,923)	(10,241)
Additions	3,231	29,733
Balance at end of period	51,139	60,407
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Balance at beginning of period	12,088	16,802
(Charge-offs)/recoveries	(151)	(64)
Payments	(3,978)	(6,116)
Additions	1,084	9,442
Balance at end of period	9,043	20,064
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Balance at beginning of period	34,705	18,327
(Charge-offs)/recoveries	(22)	360
Payments	(969)	(3,057)
Additions	1,213	17,429
Balance at end of period	34,927	33,059
Residential [Member]
Financing Receivable, Impaired [Line Items]
Balance at beginning of period	3,315	2,985
(Charge-offs)/recoveries	23
Payments	(69)	(283)
Additions	502	938
Balance at end of period	3,771	3,640
Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Balance at beginning of period	3,895	2,602
(Charge-offs)/recoveries	(22)	(97)
Payments	(907)	(785)
Additions	432	1,924
Balance at end of period	$ 3,398	$ 3,644

XML

Loans and Allowance for Loan Losses - Schedule of Loans by Class Modified as Troubled Debt Restructuring (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) SecurityLoan	Jun. 30, 2017 USD ($) SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan	6	27
Pre-modification Outstanding Recorded Investment	$ 3,231	$ 29,733
Post-modification Outstanding Recorded Investment	$ 3,231	$ 29,733
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan		10
Pre-modification Outstanding Recorded Investment		$ 17,429
Post-modification Outstanding Recorded Investment		$ 17,429
Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan	2	6
Pre-modification Outstanding Recorded Investment	$ 1,084	$ 9,442
Post-modification Outstanding Recorded Investment	$ 1,084	$ 9,442
Other [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan	2
Pre-modification Outstanding Recorded Investment	$ 1,213
Post-modification Outstanding Recorded Investment	$ 1,213
Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan	1	6
Pre-modification Outstanding Recorded Investment	$ 502	$ 938
Post-modification Outstanding Recorded Investment	$ 502	$ 938
Consumer - Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans | SecurityLoan	1	5
Pre-modification Outstanding Recorded Investment	$ 432	$ 1,924
Post-modification Outstanding Recorded Investment	$ 432	$ 1,924

XML

Loans and Allowance for Loan Losses - Schedule of Activity of Purchased Impaired Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Purchased impaired loans	$ 39,477	$ 43,526
Allowance for loan losses	(326)	(166)
Carrying amount, net of allowance	39,151	43,360
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Purchased impaired loans	4,359	5,152
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Purchased impaired loans	20,561	21,826
Residential [Member]
Financing Receivable, Impaired [Line Items]
Purchased impaired loans	4,242	11,303
Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Purchased impaired loans	$ 10,315	$ 5,245

XML

Loans and Allowance for Loan Losses - Schedule of Accretable Yield of Noncovered PCI Loans, or Income Expected to be Collected (Detail) - Purchased Credit Impaired Loans [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	$ 27,835	$ 33,603
Accretion of income	(7,073)	(7,330)
Reclassifications from (to) nonaccretable difference	3,466	594
Disposals/other adjustments	21	183
Balance at end of period	$ 24,249	$ 27,050

XML

Loans and Allowance for Loan Losses - Schedule of Receivables for which Contractually Required Payments would not be Collected (Detail) - Anchor Bank (MN) [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractually required payments	$ 16,898
Nonaccretable difference	(4,787)
Cash flows expected to be collected at acquisition	12,111
Accretable yield	(1,556)
Fair value of acquired loans at acquisition	$ 10,555

XML

Loans and Allowance for Loan Losses - Schedule of Receivables for which Contractually Required Payments would not be Collected (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2017
Anchor Bank (MN) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Effective date of acquisition	Nov. 01, 2017

XML

Other Real Estate Owned - Activity in Other Real Estate Owned (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Regulatory Assets [Abstract]
Balance at beginning of period	$ 8,810	$ 18,546
Additions	1,175	950
Sales	(5,625)	(6,552)
Impairment	(631)	(1,873)
Balance at end of period	$ 3,729	$ 11,071

XML

Other Real Estate Owned - Activity in Other Real Estate Owned (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017
Regulatory Assets [Abstract]
Repossessed personal property	$ 0.3	$ 0.2

XML

Other Real Estate Owned - Additional Information (Detail) $ in Millions	Jun. 30, 2018 USD ($)
Regulatory Assets [Abstract]
Value of foreclosed residential real estate property	$ 1.3
Value of mortgage loans in process of foreclosure	$ 6.3

XML

Premises and Equipment - Summary of Premises and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Property, Plant and Equipment [Line Items]
Total	$ 548,964	$ 550,051
Accumulated depreciation	(99,660)	(91,977)
Premises and equipment, net	449,304	458,074	$ 413,933
Land [Member]
Property, Plant and Equipment [Line Items]
Total	70,628	73,046
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total	339,378	343,833
Furniture, Fixtures, and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	98,793	94,254
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	$ 40,165	$ 38,918

XML

Premises and Equipment - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Building	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Building Terms	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation	$ 5,900	$ 5,200	$ 11,772	$ 10,406
Number of additional successive terms extendable at the option | Terms			4
Period of extendable lease term, in years			5 years
Lease term, description			Two years and six months
Rent expense	4,500	$ 3,800	$ 8,900	$ 7,700
Sale leaseback transaction, gain recognized over lease term	$ 7,300		$ 7,300		$ 8,200
Number of branch buildings under capital leases | Building	2		2
Minimum [Member]
Property, Plant and Equipment [Line Items]
Lease Term			2 years 6 months
Maximum [Member]
Property, Plant and Equipment [Line Items]
Lease Term			25 years
Prior Sale Leaseback Transactions [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Lease Term			5 years
Prior Sale Leaseback Transactions [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Lease Term			24 years

XML

Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of period	$ 828,051	$ 655,018
Acquisition adjustments	753	0
Balance at end of period	$ 828,804	$ 655,018

XML

Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Goodwill [Line Items]
Amortization expense of other intangible assets	$ 3,416,000	$ 2,781,000	$ 7,025,000	$ 5,801,000
Impairment charges			0	$ 0
Anchor Bank (MN) [Member]
Goodwill [Line Items]
Increase (decrease) to goodwill			$ 800,000
Core Deposits and Other Intangible Assets [Member] | Minimum [Member]
Goodwill [Line Items]
Estimated useful lives of core deposits and customer relationships			5 years
Core Deposits and Other Intangible Assets [Member] | Maximum [Member]
Goodwill [Line Items]
Estimated useful lives of core deposits and customer relationships			15 years
Core Deposit [Member] | Anchor Bank (MN) [Member]
Goodwill [Line Items]
Increase (decrease) in core deposit intangibles			$ (700,000)

XML

Goodwill and Other Intangible Assets - Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 124,815	$ 129,883
Accumulated Amortization and Impairment	(79,398)	(76,787)
Net Carrying Amount	45,417	53,096	$ 31,876
Core Deposit [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	108,268	108,923
Accumulated Amortization and Impairment	(69,065)	(62,874)
Net Carrying Amount	39,203	46,049
Customer Trust Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,547	16,547
Accumulated Amortization and Impairment	(10,333)	(9,533)
Net Carrying Amount	$ 6,214	7,014
Customer Loan Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,413
Accumulated Amortization and Impairment		(4,380)
Net Carrying Amount		$ 33

XML

Goodwill and Other Intangible Assets - Schedule of Estimated Amortization Expense for Future Years (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
2018 remaining	$ 6,399
2019	11,010
2020	8,672
2021	6,417
2022	4,595
Thereafter	8,324
Net Carrying Amount	$ 45,417	$ 53,096	$ 31,876

XML

Loan Servicing Rights - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Transfers and Servicing [Abstract]
Loan servicing rights	$ 24,303	$ 24,661	$ 25,023
Principal balance of loans serviced for others	3,306,000	3,321,000
Funds held in escrow	$ 37,800	8,900
Percentage of mortgage loan	99.70%
Fair value of servicing rights	$ 27,000	$ 25,800
Fair value at discount rate	13.00%	13.00%
Fair value inputs weighted average prepayment speed	115.00%	140.00%

XML

Loan Servicing Rights - Components of Loan Servicing Rights and Valuation Allowance (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Transfers and Servicing [Abstract]
Balance at beginning of period			$ 24,690	$ 25,629
Additions			1,951	1,976
Amortization			(2,323)	(2,507)
Balance before valuation allowance at end of period	$ 24,318	$ 25,098	24,318	25,098
Valuation allowance:
Balance at beginning of period			(29)	(68)
(Additions)/recoveries	4	(25)	14	(7)
Balance at end of period	(15)	(75)	(15)	(75)
Loan servicing rights, net	$ 24,303	$ 25,023	$ 24,303	$ 25,023	$ 24,661

XML

Qualified Affordable Housing Projects and Other Tax Credit Investments - Schedule of Qualified Affordable Housing Projects and Other Tax Credit Investments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Investment Holdings [Line Items]
Total	$ 50,843		$ 50,843		$ 64,896
Total	37,519		37,519		48,866
Amortization Expense	12,501	$ 940	13,855	$ 1,881
Tax Expense (Benefit) Recognized	(5,661)	(3,423)	(11,854)	(6,240)
LIHTC [Member]
Investment Holdings [Line Items]
Proportional amortization method of investment	29,802		29,802		31,183
Unfunded commitment, Proportional amortization	6,719		6,719		15,553
Amortization Expense	643	940	1,282	1,881
Tax Expense (Benefit) Recognized	(831)	(1,298)	(1,662)	(2,595)
FHTC [Member]
Investment Holdings [Line Items]
Equity method investment	5,201		5,201		10,645
Unfunded commitment, Equity	10,710		10,710		12,040
Amortization Expense	5,444		5,444
Tax Expense (Benefit) Recognized	(1,948)	(1,519)	(3,896)	(3,039)
CReED [Member]
Investment Holdings [Line Items]
Equity method investment	704		704		704
Unfunded commitment, Equity	1,502		1,502		1,502
Tax Expense (Benefit) Recognized		$ (606)		$ (606)
Renewable Energy [Member]
Investment Holdings [Line Items]
Equity method investment	15,136		15,136		22,364
Unfunded commitment, Equity	18,588		18,588		$ 19,771
Amortization Expense	6,414		7,129
Tax Expense (Benefit) Recognized	$ (2,882)		$ (6,296)

XML

Securities Sold Under Agreements to Repurchase - Schedule of Securities Sold under Agreements to Repurchase and Related Weighted-Average Interest Rates (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Securities Sold under Agreements to Repurchase [Abstract]
Outstanding at end of period	$ 347,511,000	$ 298,094,000	$ 384,810,000
Average amount outstanding	337,612,000	330,285,000
Maximum amount outstanding at any month-end	$ 347,511,000	$ 351,897,000
Weighted average interest rate during period	0.47%	0.36%
Weighted average interest rate at end of period	0.59%	0.41%

XML

Securities Sold Under Agreements to Repurchase - Schedule of Remaining Contractual Maturity of Secured Borrowings and Class of Collateral Pledged Under Repurchase Agreements (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Assets Sold under Agreements to Repurchase [Line Items]
Secured borrowings and class of collateral pledged under repurchase agreements	$ 347,511	$ 384,810	$ 298,094
U.S. Treasury [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Secured borrowings and class of collateral pledged under repurchase agreements	347,511
Overnight and Continuous [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Secured borrowings and class of collateral pledged under repurchase agreements	347,511
Overnight and Continuous [Member] | U.S. Treasury [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Secured borrowings and class of collateral pledged under repurchase agreements	$ 347,511

XML

Securities Sold Under Agreements to Repurchase - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2018
Securities Sold under Agreements to Repurchase [Abstract]
Gross outstanding balance of repurchase agreements collateralized by securities percentage	109.00%

XML

Federal Home Loan Bank Advances - Summary of FHLB Advances (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Federal Home Loan Bank, Advances [Line Items]
ASC 815 fair value hedge and other basis adjustments	$ 578
Total other borrowings	1,757,308	$ 1,609,579
Old National Bank [Member]
Federal Home Loan Bank, Advances [Line Items]
FHLB advances (fixed rates 1.50% to 6.08% and variable rates 2.23% to 2.50%) maturing July 2018 to June 2028	1,756,730	1,610,531
ASC 815 fair value hedge and other basis adjustments	$ 578	$ (952)

XML

Federal Home Loan Bank Advances - Summary of FHLB Advances (Parenthetical) (Detail) - Old National Bank [Member] - Federal Home Loan Bank Advances [Member]	6 Months Ended
	Jun. 30, 2018
Federal Home Loan Bank, Advances [Line Items]
Maturity, Start date	Jul. 31, 2018
Maturity, End date	Jun. 30, 2028
Minimum [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed rates	1.50%
Variable rates	2.23%
Maximum [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed rates	6.08%
Variable rates	2.50%

XML

Federal Home Loan Bank Advances - Additional Information (Detail)	Jun. 30, 2018	Dec. 31, 2017
Federal Home Loan Bank, Advances [Line Items]
Weighted-average rates of FHLB advances	2.29%	1.55%
Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances [Line Items]
Percentage of borrowings collateralized by investment securities and residential real estate loans	140.00%

XML

Federal Home Loan Bank Advances - Summary of Contractual Maturities of FHLB Advances (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Federal Home Loan Banks [Abstract]
Due in 2018	$ 626,567
Due in 2019	201,494
Due in 2020	100,000
Due in 2021	20,000
Due in 2022	58,500
Thereafter	750,169
ASC 815 fair value hedge and other basis adjustments	578
Total	$ 1,757,308	$ 1,609,579	$ 1,515,628

XML

Other Borrowings - Other Borrowings (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Aug. 31, 2014
Debt Instrument [Line Items]
Total other borrowings	$ 250,241	$ 248,782	$ 219,167
Old National Bancorp [Member]
Debt Instrument [Line Items]
Other basis adjustments	(3,318)	(3,585)
Old National Bank [Member]
Debt Instrument [Line Items]
Capital lease obligations	5,326	5,389
Other	1,872	694
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes (fixed rate 4.125%) maturing August 2024				$ 175,000
Senior Unsecured Notes [Member] | Old National Bancorp [Member]
Debt Instrument [Line Items]
Senior unsecured notes (fixed rate 4.125%) maturing August 2024	175,000	175,000
Unamortized debt issuance costs related to senior unsecured notes	(949)	(1,026)
Junior Subordinated Debt [Member] | Old National Bancorp [Member]
Debt Instrument [Line Items]
Junior subordinated debentures (variable rates of 3.68% to 6.22%) maturing April 2032 to September 2037	60,310	60,310
5.75% Fixed Rate Subordinated Debentures [Member] | Old National Bank [Member]
Debt Instrument [Line Items]
Subordinated debentures (fixed rate 5.75%)	$ 12,000	$ 12,000

XML

Other Borrowings - Other Borrowings (Parenthetical) (Detail)	6 Months Ended
	Jun. 30, 2018	Aug. 31, 2014
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Fixed rates		4.125%
Maturity Date	Aug. 15, 2024
Old National Bank [Member] | 5.75% Fixed Rate Subordinated Debentures [Member]
Debt Instrument [Line Items]
Fixed rates	5.75%
Old National Bancorp [Member] | Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Fixed rates	4.125%
Maturity Date	Aug. 15, 2024
Old National Bancorp [Member] | Trust Preferred Securities [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Maturity, Start date	Apr. 22, 2032
Maturity, End date	Sep. 15, 2037
Old National Bancorp [Member] | Trust Preferred Securities [Member] | Junior Subordinated Debt [Member] | Minimum [Member]
Debt Instrument [Line Items]
Variable rates	3.68%
Old National Bancorp [Member] | Trust Preferred Securities [Member] | Junior Subordinated Debt [Member] | Maximum [Member]
Debt Instrument [Line Items]
Variable rates	6.22%

XML

Other Borrowings - Contractual Maturities of Other Borrowings (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Debt Disclosure [Abstract]
Due in 2018	$ 1,286
Due in 2019	137
Due in 2020	147
Due in 2021	160
Due in 2022	172
Thereafter	251,956
Unamortized debt issuance costs and other basis adjustments	(3,617)
Total	$ 250,241	$ 248,782	$ 219,167

XML

Other Borrowings - Additional Information (Detail) $ in Millions				6 Months Ended
	Nov. 01, 2017 USD ($)	May 01, 2016	Jan. 01, 2004 Item	Jun. 30, 2018	Aug. 31, 2014 USD ($)
Debt Instrument [Line Items]
Long-term capital lease obligation period, in years			25 years
Long-term capital lease obligation renewal period, in years			10 years
Number of renewal option for 10 years period | Item			1
Anchor Bank (MN) [Member]
Debt Instrument [Line Items]
Remaining base term of lease	5 years
Renewal option available for lease in years	10 years
Capital lease obligation	$ 1.5
AnchorBank WI [Member]
Debt Instrument [Line Items]
Capital lease obligation period		5 years
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes					$ 175.0
Fixed rates					4.125%
Maturity Date				Aug. 15, 2024
Subordinated Debentures [Member] | Anchor Bank (MN) [Member] | Subordinated Fixed-To-Floating Notes [Member]
Debt Instrument [Line Items]
Fixed rates	5.75%
Maturity Date	Oct. 30, 2025
Value of subordinated fixed-to-floating notes assumed	$ 12.0
Subordinated debentures, maturity date	Oct. 29, 2020
Description of LIBOR Rate	Three-month LIBOR rate plus 435.6 basis points
LIBOR rate	4.356%
Debt instrument start date	Oct. 30, 2020

XML

Other Borrowings - Summary of Terms of Outstanding Junior Subordinated Debentures (Detail) - Trust Preferred Securities [Member] - Junior Subordinated Debt [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Debt Instrument [Line Items]
Issuance Amount	$ 60,310
VFSC Capital Trust I [Member]
Debt Instrument [Line Items]
Issuance Date	Apr. 30, 2002
Issuance Amount	$ 3,093
Description of LIBOR Rate	3-month LIBOR plus 3.70%
Rate	6.22%
Maturity Date	Apr. 22, 2032
VFSC Capital Trust II [Member]
Debt Instrument [Line Items]
Issuance Date	Oct. 31, 2002
Issuance Amount	$ 4,124
Description of LIBOR Rate	3-month LIBOR plus 3.45%
Rate	5.79%
Maturity Date	Nov. 07, 2032
VFSC Capital Trust III [Member]
Debt Instrument [Line Items]
Issuance Date	Apr. 30, 2004
Issuance Amount	$ 3,093
Description of LIBOR Rate	3-month LIBOR plus 2.80%
Rate	5.12%
Maturity Date	Sep. 08, 2034
St Joseph Capital Trust II [Member]
Debt Instrument [Line Items]
Issuance Date	Mar. 31, 2005
Issuance Amount	$ 5,000
Description of LIBOR Rate	3-month LIBOR plus 1.75%
Rate	4.08%
Maturity Date	Mar. 20, 2035
Anchor Capital Trust III [Member]
Debt Instrument [Line Items]
Issuance Date	Aug. 31, 2005
Issuance Amount	$ 5,000
Description of LIBOR Rate	3-month LIBOR plus 1.55%
Rate	3.89%
Maturity Date	Sep. 30, 2035
Tower Capital Trust 2 [Member]
Debt Instrument [Line Items]
Issuance Date	Dec. 31, 2005
Issuance Amount	$ 8,000
Description of LIBOR Rate	3-month LIBOR plus 1.34%
Rate	3.68%
Maturity Date	Dec. 04, 2035
Home Federal Statutory Trust I [Member]
Debt Instrument [Line Items]
Issuance Date	Sep. 30, 2006
Issuance Amount	$ 15,000
Description of LIBOR Rate	3-month LIBOR plus 1.65%
Rate	3.99%
Maturity Date	Sep. 15, 2036
Monroe Bancorp Capital Trust I [Member]
Debt Instrument [Line Items]
Issuance Date	Jul. 31, 2006
Issuance Amount	$ 3,000
Description of LIBOR Rate	3-month LIBOR plus 1.60%
Rate	3.95%
Maturity Date	Oct. 07, 2036
Monroe Bancorp Statutory Trust II [Member]
Debt Instrument [Line Items]
Issuance Date	Mar. 31, 2007
Issuance Amount	$ 5,000
Description of LIBOR Rate	3-month LIBOR plus 1.60%
Rate	3.94%
Maturity Date	Jun. 15, 2037
Tower Capital Trust 3 [Member]
Debt Instrument [Line Items]
Issuance Date	Dec. 31, 2006
Issuance Amount	$ 9,000
Description of LIBOR Rate	3-month LIBOR plus 1.69%
Rate	3.99%
Maturity Date	Sep. 15, 2037

XML

Other Borrowings - Summary of Terms of Outstanding Junior Subordinated Debentures (Parenthetical) (Detail) - Trust Preferred Securities [Member] - Junior Subordinated Debt [Member] - London Interbank Offered Rate (LIBOR) [Member]	6 Months Ended
	Jun. 30, 2018
VFSC Capital Trust I [Member]
Debt Instrument [Line Items]
LIBOR rate	3.70%
VFSC Capital Trust II [Member]
Debt Instrument [Line Items]
LIBOR rate	3.45%
VFSC Capital Trust III [Member]
Debt Instrument [Line Items]
LIBOR rate	2.80%
St Joseph Capital Trust II [Member]
Debt Instrument [Line Items]
LIBOR rate	1.75%
Anchor Capital Trust III [Member]
Debt Instrument [Line Items]
LIBOR rate	1.55%
Tower Capital Trust 2 [Member]
Debt Instrument [Line Items]
LIBOR rate	1.34%
Home Federal Statutory Trust I [Member]
Debt Instrument [Line Items]
LIBOR rate	1.65%
Monroe Bancorp Capital Trust I [Member]
Debt Instrument [Line Items]
LIBOR rate	1.60%
Monroe Bancorp Statutory Trust II [Member]
Debt Instrument [Line Items]
LIBOR rate	1.60%
Tower Capital Trust 3 [Member]
Debt Instrument [Line Items]
LIBOR rate	1.69%

XML

Other Borrowings - Future Minimum Lease Payments under Capital Lease Arrangements (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Debt Disclosure [Abstract]
2018	$ 284
2019	589
2020	589
2021	589
2022	589
Thereafter	9,275
Total minimum lease payments	11,915
Less amounts representing interest	(6,589)
Present value of net minimum lease payments	$ 5,326

XML

Accumulated Other Comprehensive Income (Loss) - Schedule of AOCI (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			$ 2,154,397	$ 1,814,417
Other comprehensive income (loss) before reclassifications	$ (4,472)	$ 18,012	(5,385)	28,339
Amounts reclassified from AOCI to income	(705)	(567)	(243)	(87)
Amount reclassified from AOCI to retained earnings for cumulative effect of change in accounting principle			(52)
Ending Balance	2,200,215	1,886,594	2,200,215	1,886,594
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	1,126	(5,240)	(2,337)	(6,715)
Other comprehensive income (loss) before reclassifications	1,143	(1,480)	4,587	(1,120)
Amounts reclassified from AOCI to income	8	1,075	588	2,190
Amount reclassified from AOCI to retained earnings for cumulative effect of change in accounting principle			(52)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017			(509)
Ending Balance	2,277	(5,645)	2,277	(5,645)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(52,605)	(29,992)	(35,557)	(39,012)
Other comprehensive income (loss) before reclassifications	(5,615)	19,492	(14,486)	29,459
Amounts reclassified from AOCI to income	(1,136)	(1,957)	(1,730)	(2,904)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017			(7,583)
Ending Balance	(59,356)	(12,457)	(59,356)	(12,457)
Accumulated Unrealized Gains and Losses on Held-to-Maturity Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(9,737)	(13,015)	(12,107)	(13,310)
Other comprehensive income (loss) before reclassifications			4,514
Amounts reclassified from AOCI to income	402	298	858	593
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017			(2,600)
Ending Balance	(9,335)	(12,717)	(9,335)	(12,717)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(310)	(318)	(271)	(335)
Amounts reclassified from AOCI to income	21	17	41	34
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017			(59)
Ending Balance	(289)	(301)	(289)	(301)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(61,526)	(48,565)	(50,272)	(59,372)
Amounts reclassified from AOCI to retained earnings related to the Tax Cuts and Jobs Act of 2017			(10,751)
Ending Balance	$ (66,703)	$ (31,120)	$ (66,703)	$ (31,120)

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Accumulated Other Comprehensive Income (Loss) - Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities gains	$ (1,494)	$ (3,075)	$ (2,282)	$ (4,575)
Interest income (expense)	(131,963)	(104,333)	(260,535)	(210,134)
Salaries and employee benefits	(27)	(27)	(54)	(54)
Income tax (expense) benefit	4,345	10,584	9,302	21,075
Net income	(44,001)	(38,854)	(91,984)	(74,846)
Total reclassifications for Net income the period	705	567	243	87
Gains and Losses on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for Net income the period	(8)	(1,075)	(588)	(2,190)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for Net income the period	1,136	1,957	1,730	2,904
Accumulated Unrealized Gains and Losses on Held-to-Maturity Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for Net income the period	(402)	(298)	(858)	(593)
Defined Benefit Pension Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for Net income the period	(21)	(17)	(41)	(34)
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Gains and Losses on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax (expense) benefit	2	659	191	1,343
Net income	(8)	(1,075)	(588)	(2,190)
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Gains and Losses on Cash Flow Hedges [Member] | Interest Rate Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income (expense)	(10)	(1,734)	(779)	(3,533)
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities gains	1,494	3,075	2,282	4,575
Income tax (expense) benefit	(358)	(1,118)	(552)	(1,671)
Net income	1,136	1,957	1,730	2,904
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Unrealized Gains and Losses on Held-to-Maturity Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income (expense)	(521)	(453)	(1,112)	(902)
Income tax (expense) benefit	119	155	254	309
Net income	(402)	(298)	(858)	(593)
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Defined Benefit Pension Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	(27)	(27)	(54)	(54)
Income tax (expense) benefit	6	10	13	20
Net income	$ (21)	$ (17)	$ (41)	$ (34)

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Employee Benefit Plans - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Contribution plan, employer matching contribution percentage				50.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer				6.00%
Contribution expense under employee stock ownership plan	$ 3,100,000	$ 1,200,000	$ 4,600,000	$ 2,400,000
Employer Matching Contribution Tranche One [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution plan, employer matching contribution percentage			75.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer			4.00%
Employer Matching Contribution Tranche Two [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution plan, employer matching contribution percentage			50.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer			4.00%
Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets			$ 0

XML

Share-Based Compensation - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining shares available for issuance	4,400,000
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 5,800,000
Shares granted during period	288,000
Share-based compensation awards, vesting period	36 months
Expected weighted-average period for cost recognition (in years)	2 years
Share-based compensation expense	$ 1,600,000	$ 1,000,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 6,100,000
Shares granted during period	212,000
Share-based compensation awards, vesting period	36 months
Expected weighted-average period for cost recognition (in years)	2 years 2 months 12 days
Share-based compensation expense	$ 1,100,000	900,000
Stock Appreciation Rights (SARs) [Member] | Old National Bancorp [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock appreciation rights, Outstanding	62,000
Incremental expense associated with conversion of stock appreciation rights	$ 0
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0	$ 0

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Income Taxes - Summary of Differences in Taxes from Continuing Operations Computed at Statutory Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Provision at statutory rate	$ 10,153	$ 17,303	$ 21,270	$ 33,572
Tax-exempt interest	(2,237)	(3,672)	(4,428)	(7,374)
Section 291/265 interest disallowance	73	64	135	121
Company-owned life insurance income	(510)	(741)	(1,057)	(1,493)
Tax-exempt income	(2,674)	(4,349)	(5,350)	(8,746)
State income taxes	1,028	195	2,216	1,046
Interim period effective rate adjustment	933	(286)	1,025	(741)
Tax credit investments - federal	(4,973)	(1,877)	(10,741)	(3,753)
Other, net	(122)	(402)	882	(303)
Income tax expense	$ 4,345	$ 10,584	$ 9,302	$ 21,075
Effective tax rate	9.00%	21.40%	9.20%	22.00%

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Income Taxes - Summary of Differences in Taxes from Continuing Operations Computed at Statutory Rate (Parenthetical) (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Statutory rate	21.00%	35.00%	21.00%	35.00%

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Taxes [Line Items]
Estimated revaluation of deferred tax assets					$ 39,300,000
Statutory rate	21.00%	35.00%	21.00%	35.00%
Unrecognized tax benefits, if recognized, would favorably affect the effective tax rate	$ 900,000		$ 900,000
Decrease in unrecognized tax benefits			300,000
Bad debt reserves, created for tax purposes	52,800,000		52,800,000
Unrecognized deferred income tax liability	13,000,000		13,000,000
Valuation allowance recorded	0		0		0
Operating loss carryforwards, federal	104,500,000		104,500,000		130,700,000
AMT credit carryforwards	22,600,000		22,600,000		25,100,000
Federal tax credits	12,050,000		12,050,000		5,516,000
Operating loss carryforwards, state	183,400,000		183,400,000		203,600,000
AMT carryforwards	2,545,000		2,545,000		25,084,000
State [Member]
Income Taxes [Line Items]
Tax credit carryforwards	700,000		700,000		$ 1,300,000
Internal Revenue Code Section One Zero Three One [Member]
Income Taxes [Line Items]
Tax credit carryforwards reclassified to current tax asset			20,100,000
AMT carryforwards	2,500,000		$ 2,500,000
Minimum [Member] | State Net Operating Loss [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2024
Minimum [Member] | Federal Net Operating Loss [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2028
Minimum [Member] | Federal Tax Credits [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2025
Maximum [Member] | State Net Operating Loss [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2033
Maximum [Member] | Federal Net Operating Loss [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2033
Maximum [Member] | Federal Tax Credits [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date			2038
AnchorBank WI [Member]
Income Taxes [Line Items]
Bad debt reserves, created for tax purposes	50,900,000		$ 50,900,000
Lafayette Savings Bank [Member]
Income Taxes [Line Items]
Bad debt reserves, created for tax purposes	$ 1,900,000		$ 1,900,000

XML

Income Taxes - Summary of Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Balance at beginning of period	$ 874	$ 777
Additions based on tax positions related to the current year	0	70
Balance at end of period	$ 874	$ 847

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Income Taxes - Schedule of Significant Components of Net Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Deferred Tax Assets
Allowance for loan losses, net of recapture	$ 13,842	$ 12,958
Benefit plan accruals	12,146	11,080
Alternative minimum tax credit	2,545	25,084
Unrealized losses on benefit plans	94	108
Net operating loss carryforwards	32,915	39,631
Federal tax credits	12,050	5,516
Other-than-temporary impairment	36	1,424
Deferred gain on securities	2,052
Acquired loans	23,976	29,669
Lease exit obligation	1,290	1,337
Unrealized losses on available-for-sale investment securities	18,733	14,011
Unrealized losses on held-to-maturity investment securities	2,746	3,630
Unrealized losses on hedges		923
Tax credit investments	862
Other real estate owned	181	369
Other, net	2,405	829
Total deferred tax assets	125,873	146,569
Deferred Tax Liabilities
Accretion on investment securities	(451)	(493)
Purchase accounting	(15,972)	(16,718)
Loan servicing rights	(5,970)	(6,058)
Premises and equipment	(9,512)	(10,052)
Prepaid expenses	(1,277)	(1,277)
Tax credit investments		(168)
Unrealized gains on hedges	(742)
Other, net	(1,762)	(946)
Total deferred tax liabilities	(35,686)	(35,712)
Net deferred tax assets	$ 90,187	$ 110,857

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Derivative Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Derivative [Line Items]
Notional amount	$ 1,034,000,000		$ 1,034,000,000		$ 708,500,000
Percentage of periodic changes in fair value qualifies for hedge accounting treatment	100.00%		100.00%
Reclassified interest income (expense)	$ 131,963,000	$ 104,333,000	$ 260,535,000	$ 210,134,000
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Interest Income [Member]
Derivative [Line Items]
Reclassified interest income (expense)			2,000,000
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Member] | Interest Expense [Member]
Derivative [Line Items]
Reclassified interest income (expense)			800,000
Fixed Interest Swap [Member]
Derivative [Line Items]
Notional amount	408,500,000		408,500,000		33,500,000
Variable Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	625,000,000		625,000,000		675,000,000
Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Notional amount	59,300,000		59,300,000		29,900,000
Forward Commitments [Member]
Derivative [Line Items]
Notional amount	76,100,000		76,100,000		41,200,000
Customer Derivative Instrument [Member]
Derivative [Line Items]
Notional amount	827,600,000		827,600,000		826,600,000
Offsetting Counter Party Derivative Instrument [Member]
Derivative [Line Items]
Notional amount	827,600,000		827,600,000		826,600,000
Offsetting Counter Party Derivative Instrument [Member] | Foreign Currency Contracts [Member]
Derivative [Line Items]
Notional amount	2,100,000		2,100,000		800,000
Foreign Currency Forward Contract [Member] | Foreign Currency Contracts [Member]
Derivative [Line Items]
Notional amount	$ 2,100,000		$ 2,100,000		$ 800,000

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Derivative Financial Instruments - Summary of Fair Value of Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Derivative [Line Items]
Total derivative assets	$ 14,993	$ 14,118
Total derivative liabilities	21,196	16,292
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Total derivative assets	4,871	3,351
Total derivative liabilities	1,656	5,351
Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member]
Derivative [Line Items]
Total derivative assets	4,871	3,351
Total derivative liabilities	1,656	5,351
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Total derivative assets	10,122	10,767
Total derivative liabilities	19,540	10,941
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member]
Derivative [Line Items]
Total derivative assets	8,524	10,012
Total derivative liabilities	19,148	10,933
Not Designated as Hedging Instrument [Member] | Mortgage Contracts [Member]
Derivative [Line Items]
Total derivative assets	1,537	747
Total derivative liabilities	352
Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member]
Derivative [Line Items]
Total derivative assets	61	8
Total derivative liabilities	$ 40	$ 8

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Derivative Financial Instruments - Schedule of Effect of Derivative Instruments on the Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	$ 1,516	$ (2,387)	$ 6,079	$ (1,807)
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	(168)	464	487	(1,020)
Foreign Currency Contracts [Member] | Other Income / (Expense) [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	6		23
Fixed Rate Debt [Member] | Interest Income / (Expense) [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Related Hedged Items	934	(25)	1,655	265
Interest Rate Contracts [Member] | Interest Income / (Expense) [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	(944)	77	(1,663)	(178)
Interest Rate Contracts [Member] | Interest Income / (Expense) [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	1,516	(2,387)	6,079	(1,807)
Gain (Loss) Reclassified from AOCI into Income (Effective Portion)	(10)	(1,734)	(779)	(3,533)
Interest Rate Contracts [Member] | Other Income / (Expense) [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	27	13	27	23
Mortgage Contracts [Member] | Mortgage banking revenue | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ (201)	$ 451	$ 437	$ (1,043)

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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Loan commitments	$ 3,218.0	$ 3,144.0
Fixed rate loan commitment	2,986.0
Floating rate loan commitment	232.0
Standby letters of credit	$ 85.7	68.7
Loan commitments floating rate, minimum	0.99%
Loan commitments floating rate, maximum	15.00%
Allowance for unfunded loan commitments	$ 3.2	3.1
Extended credit	12.1	12.4
Credit extensions with collateral	$ 9.2	$ 11.5

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Financial Guarantees - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Financial Guarantees [Line Items]
Term of standby letters of credit, years	1 year
Notional amount of standby letters of credit	$ 85,700,000	$ 68,700,000
Carrying value of letters of credit	400,000	400,000
Notional amount	1,034,000,000	$ 708,500,000
Interest Rate Swap [Member]
Financial Guarantees [Line Items]
Notional amount	$ 30,800,000

XML

Segment Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2018 Segment
Community Banking Segment [Member]
Segment Reporting Information [Line Items]
Number of reportable operating segment	1

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Fair Value - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	$ 5,596	$ 5,584	$ 5,235
Investment securities available-for-sale	3,181,665	3,196,207	2,814,338
Derivative assets	14,993	14,118
Derivative liabilities	21,196	16,292
U.S. Treasury [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	5,257	5,551	5,634
U.S. Government-Sponsored Entities and Agencies [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	568,231	664,286	580,624
Mortgage-Backed Securities - Agency [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	1,448,526	1,667,682	1,462,111
States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	797,533	530,193	$ 431,874
Pooled Trust Preferred Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	8,205	8,448
Other Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	353,913	320,047
Estimate of Fair Value Measurement [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	5,596	5,584
Estimate of Fair Value Measurement [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential loans held for sale	26,198	17,930
Derivative assets	14,993	14,118
Derivative liabilities	21,196	16,292
Estimate of Fair Value Measurement [Member] | U.S. Treasury [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	5,257	5,551
Estimate of Fair Value Measurement [Member] | U.S. Government-Sponsored Entities and Agencies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	568,231	664,286
Estimate of Fair Value Measurement [Member] | Mortgage-Backed Securities - Agency [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	1,448,526	1,667,682
Estimate of Fair Value Measurement [Member] | States and Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	793,505	530,193
Estimate of Fair Value Measurement [Member] | States and Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	4,028
Estimate of Fair Value Measurement [Member] | Pooled Trust Preferred Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	8,205	8,448
Estimate of Fair Value Measurement [Member] | Other Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	30,259	30,965
Estimate of Fair Value Measurement [Member] | Other Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	323,654	289,082
Carrying Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	5,596	5,584
Residential loans held for sale	26,198	17,930
Derivative assets	14,993	14,118
Derivative liabilities	21,196	16,292
Carrying Value [Member] | U.S. Treasury [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	5,257	5,551
Carrying Value [Member] | U.S. Government-Sponsored Entities and Agencies [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	568,231	664,286
Carrying Value [Member] | Mortgage-Backed Securities - Agency [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	1,448,526	1,667,682
Carrying Value [Member] | States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	797,533	530,193
Carrying Value [Member] | Pooled Trust Preferred Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	8,205	8,448
Carrying Value [Member] | Other Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment securities available-for-sale	$ 353,913	$ 320,047

XML

Fair Value - Reconciliation of All Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Detail) - Significant Unobservable Inputs (Level 3) [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Pooled Trust Preferred Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	$ 8,448	$ 8,119
Accretion (amortization) of discount	10	8
Sales/payments received	(305)	(212)
Increase (decrease) in fair value of securities	52	182
Balance at end of period	8,205	$ 8,097
States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Accretion (amortization) of discount	(18)
Increase (decrease) in fair value of securities	(15)
Transfers into Level 3	4,061
Balance at end of period	$ 4,028

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Fair Value - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Net carrying amount other real estate owned and other repossessed property	$ 800		$ 800		$ 1,800
Other real estate owned property write-downs	100	$ 800	400	$ 1,600
Valuation allowance for loan servicing rights with impairments	15	75	15	75	29	$ 68
Additions (recoveries) on loan servicing rights	$ (4)	25	(14)	7
Past due period of mortgage loans held for sale, days	90 days
Interest income for residential loans held for sale	$ 40	41	62	69
Impaired Commercial and Commercial Real Estate Loans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Principal amount of impaired commercial and commercial real estate loans	37,100		37,100		38,600
Valuation allowance	12,700		12,700		$ 10,100
Provision for loan losses expensed	4,900	$ 5,100	6,500	$ 6,200
States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Pooled trust preferred securities	4,028		4,028
States and Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Pooled trust preferred securities	$ 4,100		$ 4,100

XML

Fair Value - Quantitative Information about Significant Unobservable Inputs Used in Fair Value Measurements (Detail) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 4,000	$ 2,217
Valuation Techniques	Fair value of collateral	Fair value of collateral
Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 20,375	$ 26,319
Valuation Techniques	Fair value of collateral	Fair value of collateral
Minimum [Member] | Commercial Loan [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.25	0.00
Minimum [Member] | Commercial Real Estate [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.00	0.10
Maximum [Member] | Commercial Loan [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.35	0.98
Maximum [Member] | Commercial Real Estate [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.20	0.78
Weighted Average [Member] | Commercial Loan [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.30	0.49
Weighted Average [Member] | Commercial Real Estate [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.10	0.32
Pooled Trust Preferred Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 8,205	$ 8,448
Valuation Techniques	Discounted cash flow	Discounted cash flow
Pooled Trust Preferred Securities [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Additional asset defaults	3.40%	4.20%
Expected asset recoveries	0.00%	0.00%
Pooled Trust Preferred Securities [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Additional asset defaults	4.40%	9.60%
Expected asset recoveries		4.10%
Pooled Trust Preferred Securities [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Additional asset defaults	4.10%	7.50%
Expected asset recoveries		0.60%
States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 4,028
Valuation Techniques	Discounted cash flow
Commercial Real Estate Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 762	$ 1,726
Valuation Techniques	Fair value of collateral	Fair value of collateral
Commercial Real Estate Foreclosed Assets [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.08	0.07
Commercial Real Estate Foreclosed Assets [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.41	0.25
Commercial Real Estate Foreclosed Assets [Member] | Weighted Average [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status	0.21	0.18
Residential Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		$ 55
Valuation Techniques		Fair value of collateral
Residential Foreclosed Assets [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount for type of property, age of appraisal and current status		0.39

XML

Fair Value - Quantitative Information about Significant Unobservable Inputs Used in Fair Value Measurements (Parenthetical) (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of adjusted specific issuer evaluation defaults	100.00%	100.00%
Percentage of adjusted specific issuer evaluation recoveries	100.00%	100.00%
Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of adjusted specific issuer evaluation defaults	0.00%	0.00%
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of adjusted specific issuer evaluation defaults	50.00%	50.00%
Pooled Trust Preferred Securities [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of adjusted specific issuer evaluation recoveries	0.00%	0.00%
Pooled Trust Preferred Securities [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of adjusted specific issuer evaluation recoveries	25.00%	25.00%

XML

Fair Value - Assets Measured at Fair Value on a Non-Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 4,000	$ 2,217
Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	20,375	26,319
Commercial Real Estate Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	762	1,726
Residential Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		55
Loan Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	158	2,964
Significant Other Observable Inputs (Level 2) [Member] | Loan Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	158	2,964
Significant Unobservable Inputs (Level 3) [Member] | Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	4,000	2,217
Significant Unobservable Inputs (Level 3) [Member] | Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	20,375	26,319
Significant Unobservable Inputs (Level 3) [Member] | Commercial Real Estate Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 762	1,726
Significant Unobservable Inputs (Level 3) [Member] | Residential Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		$ 55

XML

Fair Value - Schedule of Difference between the Aggregate Fair Value and the Aggregate Remaining Principal Balance (Detail) - Residential Loans Held for Sale [Member] - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Option, Quantitative Disclosures [Line Items]
Aggregate Fair Value	$ 26,198	$ 17,930
Difference	967	546
Contractual Principal	$ 25,231	$ 17,384

XML

Fair Value - Changes in Fair Value for Items Measured at Fair Value Pursuant to Election of the Fair Value (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Interest Income	$ 131,963	$ 104,333	$ 260,535	$ 210,134
Interest (Expense)	(21,773)	(13,876)	(40,907)	(26,543)
Residential Loans Held for Sale [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Gains and (Losses)	387	279	422	697
Interest Income	3	1	3	2
Interest (Expense)			(4)
Total Changes in Fair Values Included in Current Period Earnings	$ 390	$ 280	$ 421	$ 699

XML

Fair Value - Carrying Amounts and Estimated Fair Values of Financial Instruments, Not Carried at Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, due from banks, money market, and other interest-earning investments	$ 273,874	$ 290,432	$ 262,741	$ 255,519
Investment securities - held-to-maturity	525,718	684,063	695,139
Federal Home Loan Bank/Federal Reserve Bank stock	136,206	119,686	109,715
Commercial	2,962,895	2,717,269	2,001,621
Commercial real estate	4,451,772	4,354,552	3,259,998
Residential real estate	2,153,973	2,167,053	2,099,374
Consumer credit	1,726,989	1,879,247	1,871,047
Accrued interest receivable	81,290	87,102	79,830
Noninterest-bearing demand deposits	3,600,793	3,680,807	3,011,156
Time deposits	1,824,550	1,634,436	1,435,665
Federal funds purchased and interbank borrowings	175,044	335,033	227,029
Securities sold under agreements to repurchase	347,511	384,810	$ 298,094
Other borrowings	1,757,308	1,609,579
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, due from banks, money market, and other interest-earning investments	273,874	290,432
Accrued interest receivable	13	16
Noninterest-bearing demand deposits	3,600,793	3,680,807
Checking, NOW, savings, and money market interest-bearing deposits	7,171,033	7,290,521
Federal funds purchased and interbank borrowings	175,044	335,033
Securities sold under agreements to repurchase	347,511	359,810
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accrued interest receivable	23,122	24,001
Time deposits	1,822,203	1,620,685
Securities sold under agreements to repurchase		25,133
Other borrowings	249,150	250,443
Accrued interest payable	7,510	7,029
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial	2,845,502	2,707,385
Commercial real estate	4,330,899	4,347,949
Residential real estate	2,117,999	2,210,951
Consumer credit	1,669,906	1,998,194
Accrued interest receivable	58,155	63,085
FHLB advances	1,747,022	1,607,189
Standby letters of credit	397	351
Commitments to extend credit	3,847	2,449
US Government Agencies Debt Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	71,284
Mortgage-Backed Securities - Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	139,594	6,903
Mortgage-Backed Securities - Agency [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	135,784	7,056
States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	312,554	677,160
States and Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	317,529	720,647
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, due from banks, money market, and other interest-earning investments	273,874	290,432
Federal Home Loan Bank/Federal Reserve Bank stock	136,206	119,686
Commercial	2,941,508	2,698,023
Commercial real estate	4,429,274	4,333,116
Residential real estate	2,152,106	2,165,290
Consumer credit	1,719,081	1,871,311
Accrued interest receivable	81,290	87,102
Noninterest-bearing demand deposits	3,600,793	3,680,807
Checking, NOW, savings, and money market interest-bearing deposits	7,171,033	7,290,521
Time deposits	1,824,550	1,634,436
Federal funds purchased and interbank borrowings	175,044	335,033
Securities sold under agreements to repurchase	347,511	384,810
FHLB advances	1,757,308	1,609,579
Other borrowings	250,241	248,782
Accrued interest payable	7,510	7,029
Standby letters of credit	397	351
Carrying Value [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	73,570
Carrying Value [Member] | Mortgage-Backed Securities - Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	139,594	6,903
Carrying Value [Member] | States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - held-to-maturity	$ 312,554	$ 677,160