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, 2020

OR

☐ 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 001-38139

ne

Byline Bancorp, Inc.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	36-3012593
(State or Other Jurisdiction of Incorporation or Organization)	(IRS Employer Identification Number)

180 North LaSalle Street, Suite 300

Chicago, Illinois 60601

(Address of Principal Executive Offices)

(773) 244-7000

(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 such filing requirements for the past 90 days. Yes ☒No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a 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 Securities Exchange Act of 1934.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	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 Exchange Act). Yes ☐No ☒

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock	BY	New York Stock Exchange

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:

Common Stock, $0.01 par value, 38,411,842 shares outstanding as of August 7, 2020

BYLINE BANCORP, INC.

FORM 10-Q

June 30, 2020

INDEX

		Page
PART I.	FINANCIAL INFORMATION	3
Item 1.	Financial Statements. The Unaudited Interim Condensed Consolidated Financial Statements of Byline Bancorp, Inc. filed as part of the report are as follows:	3
	Condensed Consolidated Statements of Financial Condition at June 30, 2020 and December 31, 2019 (unaudited)	3
	Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2020 and 2019  (unaudited)	4
	Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2020 and 2019 (unaudited)	5
	Consolidated Statements of Changes in Stockholders’ Equity for the Three and Six Months Ended June 30, 2020 and 2019 (unaudited)	6
	Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2020 and 2019 (unaudited)	8
	Notes to Unaudited Interim Condensed Consolidated Financial Statements	10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	47
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	93
Item 4.	Controls and Procedures	95
PART II.	OTHER INFORMATION
Item 1.	Legal Proceedings	96
Item 1A.	Risk Factors	96
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	98
Item 3.	Defaults Upon Senior Securities	98
Item 4.	Mine Safety Disclosures	98
Item 5.	Other Information	98
Item 6.	Exhibits	99

2

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

(UNAUDITED)

(dollars in thousands, except share data)	June 30, 2020			December 31, 2019
ASSETS
Cash and due from banks	$	51,818		$	48,228
Interest bearing deposits with other banks		88,113			32,509
Cash and cash equivalents		139,931			80,737
Equity and other securities, at fair value		8,181			8,031
Securities available-for-sale, at fair value		1,426,871			1,186,292
Securities held-to-maturity, at amortized cost (fair value at    June 30, 2020—$4,582, December 31, 2019—$4,498)		4,404			4,412
Restricted stock, at cost		6,232			22,127
Loans held for sale		3,031			11,732
Loans and leases:
Loans and leases		4,391,122			3,785,661
Allowance for loan and lease losses		(51,300	)		(31,936	)
Net loans and leases		4,339,822			3,753,725
Servicing assets, at fair value		18,351			19,471
Premises and equipment, net		95,546			96,140
Other real estate owned, net		8,652			9,896
Goodwill and other intangible assets, net		176,470			180,255
Bank-owned life insurance		9,896			9,750
Deferred tax assets, net		37,082			38,315
Accrued interest receivable and other assets		119,049			100,926
Total assets	$	6,393,518		$	5,521,809
LIABILITIES AND STOCKHOLDERS’ EQUITY
LIABILITIES
Non-interest-bearing demand deposits	$	1,768,675		$	1,279,641
Interest-bearing deposits		3,189,670			2,867,936
Total deposits		4,958,345			4,147,577
Other borrowings		510,414			539,638
Subordinated notes, net		48,777			—
Junior subordinated debentures issued to capital trusts, net		36,206			37,334
Accrued interest payable and other liabilities		58,841			47,145
Total liabilities		5,612,583			4,771,694
STOCKHOLDERS’ EQUITY
Preferred stock		10,438			10,438
Common stock		381			379
Additional paid-in capital		583,307			580,965
Retained earnings		168,444			159,033
Accumulated other comprehensive income (loss), net of tax		20,033			(700	)
Treasury stock, at cost		(1,668	)		—
Total stockholders’ equity		780,935			750,115
Total liabilities and stockholders’ equity	$	6,393,518		$	5,521,809

	June 30, 2020				December 31, 2019
	Preferred Shares		Common Shares		Preferred Shares		Common Shares
Par value	$	0.01	$	0.01	$	0.01	$	0.01
Shares authorized		50,000		150,000,000		50,000		150,000,000
Shares issued		10,438		38,506,703		10,438		38,256,500
Shares outstanding		10,438		38,388,217		10,438		38,256,500
Treasury shares		—		118,486		—		—

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

3

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(dollars in thousands, except share and per share data)	2020			2019			2020			2019
INTEREST AND DIVIDEND INCOME
Interest and fees on loans and leases	$	50,153		$	59,524		$	104,311		$	113,907
Interest on securities		7,530			6,665			15,546			12,767
Other interest and dividend income		222			571			1,214			1,196
Total interest and dividend income		57,905			66,760			121,071			127,870
INTEREST EXPENSE
Deposits		4,246			9,306			12,050			17,382
Other borrowings		476			2,265			2,373			4,431
Subordinated notes and debentures		574			741			1,214			1,524
Total interest expense		5,296			12,312			15,637			23,337
Net interest income		52,609			54,448			105,434			104,533
PROVISION FOR LOAN AND LEASE LOSSES		15,518			6,391			29,973			10,390
Net interest income after provision for loan and lease losses		37,091			48,057			75,461			94,143
NON-INTEREST INCOME
Fees and service charges on deposits		1,455			1,441			3,128			3,211
Loan servicing revenue		2,980			2,630			5,738			5,169
Loan servicing asset revaluation		(711	)		(1,223	)		(3,775	)		(2,484	)
ATM and interchange fees		845			945			2,061			1,662
Net gains on sales of securities available-for-sale		—			973			1,375			973
Change in fair value of equity securities, net		766			551			147			1,050
Net gains on sales of loans		6,456			7,472			11,229			13,705
Wealth management and trust income		608			626			1,277			1,221
Other non-interest income		389			768			781			1,664
Total non-interest income		12,788			14,183			21,961			26,171
NON-INTEREST EXPENSE
Salaries and employee benefits		19,405			23,652			44,071			46,544
Occupancy and equipment expense, net		5,359			5,069			10,883			10,018
Loan and lease related expenses		1,260			1,841			2,571			3,418
Legal, audit and other professional fees		2,078			2,981			4,412			5,047
Data processing		2,826			3,849			5,491			6,993
Net loss recognized on other real estate owned and other    related expenses		456			252			975			448
Other intangible assets amortization expense		1,892			1,959			3,785			3,732
Other non-interest expense		3,736			4,351			8,351			8,433
Total non-interest expense		37,012			43,954			80,539			84,633
INCOME BEFORE PROVISION FOR INCOME TAXES		12,867			18,286			16,883			35,681
PROVISION FOR INCOME TAXES		3,728			5,075			4,778			9,873
NET INCOME		9,139			13,211			12,105			25,808
Dividends on preferred shares		195			195			391			391
INCOME AVAILABLE TO COMMON STOCKHOLDERS	$	8,944		$	13,016		$	11,714		$	25,417
EARNINGS PER COMMON SHARE
Basic	$	0.24		$	0.35		$	0.31		$	0.69
Diluted	$	0.24		$	0.34		$	0.31		$	0.68

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

4

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(dollars in thousands)	2020			2019			2020			2019
Net income	$	9,139		$	13,211		$	12,105		$	25,808
Securities available-for-sale
Unrealized holding gains arising during the period		13,402			12,328			30,067			20,962
Reclassification adjustments for net gains included in net income		—			(973	)		(1,375	)		(973	)
Tax effect		(3,732	)		(3,405	)		(7,990	)		(5,700	)
Net of tax		9,670			7,950			20,702			14,289
Cash flow hedges
Unrealized holding losses arising during the period		—			(3,417	)		—			(5,234	)
Reclassification adjustments for net losses (gains) included in net income		21			(575	)		42			(1,280	)
Tax effect		(6	)		1,113			(11	)		1,815
Net of tax		15			(2,879	)		31			(4,699	)
Total other comprehensive income		9,685			5,071			20,733			9,590
Comprehensive income	$	18,824		$	18,282		$	32,838		$	35,398

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

5

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

(UNAUDITED)

										Additional						Accumulated Other					Total
	Preferred Stock				Common Stock					Paid-In			Retained			Comprehensive			Treasury		Stockholders’
(dollars in thousands, except share data)	Shares		Amount		Shares			Amount		Capital			Earnings			Income (Loss)			Stock		Equity
Balance, January 1, 2019		10,438	$	10,438		36,343,239		$	361	$	546,849		$	102,522		$	(9,498	)	$	—	$	650,672
Net income		—		—		—			—		—			12,597			—			—		12,597
Other comprehensive income,    net of tax		—		—		—			—		—			—			4,519			—		4,519
Issuance of common stock upon    exercise of stock options		—		—		50,662			1		635			—			—			—		636
Restricted stock activity		—		—		(8,500	)		—		—			—			—			—		—
Issuance of common stock in    connection with employee    stock purchase plan		—		—		12,743			—		291			—			—			—		291
Cumulative-effect adjustment    (ASU 2016-01)		—		—		—			—		—			1,440			(1,440	)		—		—
Cash dividends declared on    preferred stock		—		—		—			—		—			(196	)		—			—		(196	)
Share-based compensation expense		—		—		—			—		230			—			—			—		230
Balance, March 31, 2019		10,438	$	10,438		36,398,144		$	362	$	548,005		$	116,363		$	(6,419	)	$	—	$	668,749
Net income		—		—		—			—		—			13,211			—			—		13,211
Other comprehensive income,    net of tax		—		—		—			—		—			—			5,071			—		5,071
Issuance of common stock upon    exercise of stock options		—		—		116,048			1		1,668			—			—			—		1,669
Issuance of common stock due to    business combination, net of    issuance costs		—		—		1,464,558			15		28,877			—			—			—		28,892
Restricted stock activity		—		—		136,469			—		—			—			—			—		—
Cash dividends declared on    preferred stock		—		—		—			—		—			(195	)		—			—		(195	)
Share-based compensation expense		—		—		—			—		278			—			—			—		278
Balance, June 30, 2019		10,438	$	10,438		38,115,219		$	378	$	578,828		$	129,379		$	(1,348	)	$	—	$	717,675
Net income		—		—		—			—		—			15,342			—			—		15,342
Other comprehensive income,    net of tax		—		—		—			—		—			—			2,309			—		2,309
Issuance of common stock upon    exercise of stock options		—		—		3,472			—		54			—			—			—		54
Issuance cost in connection with    business combination		—		—		—			—		(157	)		—			—			—		(157	)
Restricted stock activity		—		—		36,350			—		—			—			—			—		—
Issuance of common stock in    connection with employee    stock purchase plan		—		—		14,085			—		289			—			—			—		289
Cash dividends declared on    preferred stock		—		—		—			—		—			(196	)		—			—		(196	)
Share-based compensation expense		—		—		—			—		550			—			—			—		550
Balance, September 30, 2019		10,438	$	10,438		38,169,126		$	378	$	579,564		$	144,525		$	961		$	—	$	735,866
Net income		—		—		—			—		—			15,852			—			—		15,852
Other comprehensive loss,    net of tax		—		—		—			—		—			—			(1,661	)		—		(1,661	)
Issuance of common stock upon    exercise of stock options		—		—		71,029			—		787			—			—			—		787
Restricted stock activity		—		—		16,345			1		(1	)		—			—			—		—
Cash dividends declared on    preferred stock		—		—		—			—		—			(196	)		—			—		(196	)
Cash dividends declared on    common stock ($0.03 per share)		—		—		—			—		—			(1,148	)		—			—		(1,148	)
Share-based compensation expense		—		—		—			—		615			—			—			—		615
Balance, December 31, 2019		10,438	$	10,438		38,256,500		$	379	$	580,965		$	159,033		$	(700	)	$	—	$	750,115

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

6

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

Six Months Ended June 30, 2020

(UNAUDITED)

										Additional						Accumulated Other						Total
	Preferred Stock				Common Stock					Paid-In			Retained			Comprehensive			Treasury			Stockholders’
(dollars in thousands, except share data)	Shares		Amount		Shares			Amount		Capital			Earnings			Income (Loss)			Stock			Equity
Balance, January 1, 2020		10,438	$	10,438		38,256,500		$	379	$	580,965		$	159,033		$	(700	)	$	—		$	750,115
Net income		—		—		—			—		—			2,966			—			—			2,966
Other comprehensive income,    net of tax		—		—		—			—		—			—			11,048			—			11,048
Issuance of common stock upon    exercise of stock options		—		—		55,402			1		676			—			—			—			677
Restricted stock activity		—		—		174,036			—		—			—			—			—			—
Issuance of common stock in    connection with employee    stock purchase plan		—		—		15,569			—		268			—			—			—			268
Cash dividends declared on    preferred stock		—		—		—			—		—			(196	)		—			—			(196	)
Cash dividends declared on    common stock ($0.03 per    share)		—		—		—			—		—			(1,151	)		—			—			(1,151	)
Repurchase of common stock		—		—		(118,486	)		—		—			—			—			(1,668	)		(1,668	)
Share-based compensation    expense		—		—		—			—		608			—			—			—			608
Balance, March 31, 2020		10,438	$	10,438		38,383,021		$	380	$	582,517		$	160,652		$	10,348		$	(1,668	)	$	762,667
Net income		—		—		—			—		—			9,139			—			—			9,139
Other comprehensive income,    net of tax		—		—		—			—		—			—			9,685			—			9,685
Issuance of common stock upon    exercise of stock options		—		—		5,196			—		56			—			—			—			56
Restricted stock activity		—		—		—			1		(1	)		—			—			—			—
Issuance of common stock in    connection with employee    stock purchase plan		—		—		—			—		—			—			—			—			—
Cash dividends declared on    preferred stock		—		—		—			—		—			(195	)		—			—			(195	)
Cash dividends declared on    common stock ($0.03 per    share)		—		—		—			—		—			(1,152	)		—			—			(1,152	)
Repurchase of common stock		—		—		—			—		—			—			—			—			—
Share-based compensation    expense		—		—		—			—		735			—			—			—			735
Balance, June 30, 2020		10,438	$	10,438		38,388,217		$	381	$	583,307		$	168,444		$	20,033		$	(1,668	)	$	780,935

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

7

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Six Months Ended
	June 30,
(dollars in thousands)	2020			2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	12,105		$	25,808
Adjustments to reconcile net income to net cash from operating activities:
Provision for loan and lease losses		29,973			10,390
Impairment loss on assets held for sale		715			392
Depreciation and amortization of premises and equipment		3,207			3,260
Change in fair value of equity securities, net		(147	)		(1,050	)
Net amortization of securities		2,772			1,191
Net gains on sales of securities available-for-sale		(1,375	)		(973	)
Net loss on disposal of premises and equipment		172			—
Net gains on sales of assets held for sale		—			(13	)
Net gains on sales of loans		(11,229	)		(13,705	)
Originations of U.S. government guaranteed loans		(133,322	)		(140,780	)
Proceeds from U.S. government guaranteed loans sold		127,571			133,061
Accretion of premiums and discounts on acquired loans, net		(6,843	)		(10,069	)
Net change in servicing assets		1,120			(67	)
Net valuation adjustments on other real estate owned		765			163
Net (gains) losses on sales of other real estate owned		(85	)		27
Amortization of intangible assets		3,785			3,732
Amortization of time deposit premium		(37	)		(111	)
Amortization of subordinated notes issuance cost		2			—
Accretion of junior subordinated debentures discount		260			291
Share-based compensation expense		1,343			508
Deferred tax provision, net of valuation		1,233			908
Increase in cash surrender value of bank owned life insurance		(146	)		(188	)
Loss on redemption of junior subordinated debentures		112			—
Changes in assets and liabilities:
Accrued interest receivable		(1,895	)		(2,942	)
Other assets		5,233			(12,109	)
Accrued interest payable		(1,707	)		957
Accrued expenses and other liabilities		9,715			(9,731	)
Net cash provided by (used in) operating activities		43,297			(11,050	)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of securities available-for-sale		(469,896	)		(149,176	)
Proceeds from maturities and calls of securities available-for-sale		111,981			34,174
Proceeds from paydowns of securities available-for-sale		99,367			41,976
Proceeds from sales of securities available-for-sale		45,417			59,594
Purchases of Federal Home Loan Bank stock		(49,165	)		(19,935	)
Federal Home Loan Bank stock repurchases		65,060			16,614
Net change in loans and leases		(609,709	)		(94,259	)
Purchases of premises and equipment		(3,401	)		(1,413	)
Proceeds from sales of assets held for sale		—			514
Proceeds from sales of other real estate owned		650			874
Net cash received in acquisition of business		—			4,306
Proceeds from bank owned life insurance death benefit		69			—
Net cash used in investing activities		(809,627	)		(106,731	)

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

8

BYLINE BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(UNAUDITED)

	Six Months Ended
	June 30,
(dollars in thousands)	2020			2019
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposits	$	810,805		$	20,267
Proceeds from short-term borrowings		4,901,800			3,509,180
Repayments of short-term borrowings		(5,387,800	)		(3,445,135	)
Proceeds from Paycheck Protection Program Liquidity Facility advances		449,889			—
Proceeds from subordinated notes, net		48,775			—
Repayments of junior subordinated debentures		(1,500	)		—
Net increase in securities sold under agreements to repurchase		6,887			(1,281	)
Dividends paid on preferred stock		(391	)		(391	)
Dividends paid on common stock		(2,274	)		—
Proceeds from issuance of common stock upon exercise of stock options		733			2,305
Proceeds from issuance of common stock		268			291
Repurchases of common stock		(1,668	)		—
Net cash provided by financing activities		825,524			85,236
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS		59,194			(32,545	)
CASH AND CASH EQUIVALENTS, beginning of period		80,737			121,860
CASH AND CASH EQUIVALENTS, end of period	$	139,931		$	89,315
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for interest	$	17,119		$	22,200
Cash paid during the period for taxes	$	3,309		$	9,507
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND    FINANCING ACTIVITIES:
Transfer of securities from held-to-maturity to available-for-sale	$	—		$	94,837
Reclassification of equity and other securities	$	—		$	6,609
Delayed payments of mortgage-backed securities	$	300		$	841
Due from counterparties	$	49,409		$	34,226
Total assets acquired from acquisition	$	—		$	323,914
Value ascribed to goodwill	$	—		$	17,461
Total liabilities assumed from acquisition	$	—		$	305,892
Common stock issued due to acquisition of business	$	—		$	29,320
Common dividend declared, not paid	$	1,177		$	—

See accompanying Notes to Unaudited Interim Condensed Consolidated Financial Statements.

9

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Note 1—Basis of Presentation

These unaudited interim condensed consolidated financial statements include the accounts of Byline Bancorp, Inc., a Delaware corporation (the “Company,” “Byline,” “we,” “us,” “our”), a bank holding company whose principal activity is the ownership and management of its Illinois state chartered subsidiary bank, Byline Bank (the “Bank”), based in Chicago, Illinois.

These unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the Securities and Exchange Commission (“SEC”). In preparing these financial statements, the Company has evaluated events and transactions subsequent to June 30, 2020 for potential recognition or disclosure. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation of the financial position and results of operations for the periods presented have been included. Certain information in footnote disclosures normally included in financial statements prepared in accordance with GAAP has been condensed or omitted pursuant to the rules and regulations of the SEC and the accounting standards for interim financial statements. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Consolidated Financial Statements for the years ended December 31, 2019, 2018, and 2017.

In accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 855, “Subsequent Events,” the Company’s management has evaluated subsequent events for potential recognition or disclosure through the date of the issuance of these consolidated financial statements.

The Company has one reportable segment. The Company’s chief operating decision maker evaluates the operations of the Company using consolidated information for purposes of allocating resources and assessing performance. Therefore, segments disclosures are not required.

No subsequent events were identified that would have required a change to the consolidated financial statements or disclosure in the notes to the consolidated financial statements.

Certain prior period amounts have been reclassified to conform to current period presentation. These reclassifications did not result in any changes to previously reported net income or stockholders’ equity.

Note 2—Accounting Pronouncements Recently Adopted or Issued

The following reflect recent accounting pronouncements that have been adopted or are pending adoption by the Company. As the Company qualifies as an emerging growth company and has elected the extended transition period for complying with new or revised accounting pronouncements, it is not subject to new or revised accounting standards applicable to public companies during the extended transition period. The accounting pronouncements pending adoption below reflect effective dates for the Company as an emerging growth company with the extended transition period.

Adopted Accounting Pronouncement

Nonrefundable Fees and Other Costs (Subtopic 310‑20)—In March 2017, FASB issued ASU No. 2017‑08, Receivables—Nonrefundable Fees and Other Costs. The amendments in the ASU shorten the amortization period for certain callable debt securities held at a premium at the earliest call date. Under current GAAP, the Company amortizes the premium as an adjustment of yield over the contractual life of the instrument. As a result, upon exercise of a call on a callable debt security held at a premium, the unamortized premium is charged to earnings. The ASU shortens the amortization period for certain callable debt securities held at a premium and requires the premium to be amortized to the earliest call date. However, the amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. The amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. The Company is required to apply the amendments on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Given our emerging growth status, the Company adopted these amendments on January 1, 2020 in conjunction with ASU No. 2017-08, which did not have a material impact on the Company’s Consolidated Financial Statements.

10

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Issued Accounting Pronouncements Pending Adoption

Leases (Topic 842)—In February 2016, FASB issued ASU No. 2016‑02, Leases. The amendments in this ASU require lessees to recognize the following for all leases (with the exception of short-term) at the commencement date: a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and 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. The amendments in this ASU leave lessor accounting largely unchanged, although certain targeted improvements were made to align lessor accounting with the lessee accounting model. This ASU simplifies the accounting for sale and leaseback transactions primarily because lessees must recognize lease assets and lease liabilities. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company is evaluating the new guidance and its impact on the Company’s Consolidated Statements of Operations and Consolidated Statements of Financial Condition. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of this ASU for entities not classified as Public Business Entities (PBEs). Our status as an emerging growth company makes us eligible for this deferral. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2020, and interim periods with fiscal years beginning after December 15, 2021. The Company expects an increase in assets and liabilities as a result of recognizing additional right-of-use assets and liabilities under lease contracts in which the Company is lessee. While the Company has not quantified the impact of this ASU on its direct financing lease portfolio, it does not expect a material change in its accounting for the initial direct costs related to these leases.

Financial Instruments—Credit Losses (Topic 326)—In June 2016, FASB issued ASU No. 2016‑13, Measurement of Credit Losses on Financial Instruments. Current GAAP requires an “incurred loss” methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. The main objective of this ASU 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 amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The amendments in this ASU require a financial asset (or group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses will be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. The amendments in this ASU broaden the information that an entity must consider in developing its expected credit loss estimate for assets measured either collectively or individually. The use of forecasted information incorporates more timely information in the estimate of expected credit loss, which will be more useful to users of the financial statements. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of the ASU for entities not classified as PBEs. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is in the process of implementation and determining the impact that this ASU will have on the Company’s Consolidated Financial Statements.

Income Taxes (Topic 740)—In December 2019, FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes.  The amendments in the ASU simplify the accounting for income taxes by removing the following:   the exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; the exception to the requirement to or not to recognize a deferred tax liability for a foreign entity when it becomes an equity method investment or it becomes a subsidiary, respectively; and the exception to the general methodology for calculating income taxes in an interim period when a  year-to-date loss exceeds the anticipated loss for the year.  The amendments in the ASU changes current authoritative guidance by requiring the recognition of franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax;  requiring an evaluation when a step up in the tax basis of goodwill should be considered part the of business combination; specifying that it is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that includes the

11

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

enactment date.  The amendments are effective for annual periods beginning after December 15, 2021, and interim periods within annual periods beginning after December 15, 2022.  Early adoption is permitted.  Assuming the Company remains an emerging growth company, the new authoritative guidance will be effective for reporting periods after January 1, 2022. The Company is currently evaluating the provisions of ASU No. 2019-12 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

Reference Rate Reform (Topic 848)—In March 2020, FASB issued ASU No. 2020-04, Facilitation of the Effects of Reference Rate Reform on Financial Reporting.  The amendments in the ASU provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting.  The amendments in the ASU provide optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued.  The ASU is intended to help stakeholders during the global market-wide reference rate transition period. The amendments in the ASU will be in effect for all entities as of March 12, 2020 through December 31, 2022.  The Company is currently evaluating the provisions of ASU No. 2020-04 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

Note 3—Acquisition

On April 30, 2019, the Company acquired all of the outstanding common stock of Oak Park River Forest Bankshares, Inc. (“Oak Park River Forest”) and its subsidiary pursuant to an Agreement and Plan of Merger, dated as of October 17, 2018 (the “OPRF Merger Agreement”). Oak Park River Forest operated one wholly owned subsidiary, Community Bank of Oak Park River Forest. Oak Park River Forest was merged with and into Byline. As a result of the merger, Oak Park River Forest’s subsidiary bank, Community Bank of Oak Park River Forest, was merged with and into Byline Bank, with Byline Bank as the surviving bank. The acquisition improves the Company’s footprint in the Chicagoland market, diversifies its commercial banking business, and strengthens the core deposit base.

At the effective time of the merger (the “OPRF Effective Time”), each share of Oak Park River Forest’s common stock was converted into the right to receive: (1) 7.9321 shares of Byline’s common stock, and (2) an amount in cash equal to $6.2 million divided by the number of outstanding shares of Oak Park River Forest common stock as of the closing date, with cash paid in lieu of any fractional shares. The per share cash consideration was based on the total $6.2 million divided by the outstanding shares of Oak Park River Forest common stock, or $33.375 per outstanding share. Based on the closing price of the Company’s common stock of $20.02, as reported by the New York Stock Exchange, and 1,464,558 shares of common stock issued with respect to the outstanding shares of Oak Park River Forest common stock, the stock consideration was valued at $29.3 million.  Options to acquire 35,870 shares of Oak Park River Forest common stock that were outstanding at the OPRF Effective Time were cancelled, at the option holders election, in exchange for a cash payment in accordance with the OPRF Merger agreement of $4.2 million, to be paid after the closing date. The value of the total merger consideration at closing was $35.5 million before issuance costs of $585,000.

The transaction resulted in goodwill of $20.2 million, which is nondeductible for tax purposes, as this acquisition was a nontaxable transaction. Goodwill represents the premium paid over the fair value of the net tangible and intangible assets acquired and reflects related synergies expected from the combined operations. The Company incurred Oak Park River Forest merger-related expenses, including acquisition advisory expenses, of $2.3 million for the year ended December 31, 2019, including $2.4 million and $2.5 million recognized in the three and six months ended June 30, 2019, respectively. Core system conversion expenses were $2.0 million related to the Oak Park River Forest acquisition for the year ended December 31, 2019.  Core system conversion expenses of $703,000 were recognized during the three and six months ended June 30, 2019. These expenses are reflected in non-interest expense on the Consolidated Statements of Operations.

The acquisition of Oak Park River Forest was accounted for using the acquisition method of accounting in accordance with ASC Topic 805. Assets acquired, liabilities assumed and consideration exchanged were recorded at their respective acquisition date fair values. Determining the fair value of assets and liabilities involves significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair value adjustments associated with this transaction were finalized during the first quarter of 2020.

12

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The following table presents a summary of the fair values of assets acquired and liabilities assumed as of the acquisition date:

Assets
Cash and cash equivalents	$	10,469
Securities available-for-sale		30,343
Restricted stock		414
Loans		257,423
Premises and equipment		3,488
Other real estate owned		2,201
Other intangible assets		6,220
Bank-owned life insurance		3,485
Deferred tax assets, net		5,925
Other assets		1,231
Total assets acquired		321,199
Liabilities
Deposits		290,171
Line of credit		5,655
Federal Home Loan Bank advances		5,300
Accrued expenses and other liabilities		4,766
Total liabilities assumed		305,892
Net assets acquired	$	15,307
Consideration paid
Common stock (1,464,558 shares issued at $20.02 per share)		29,320
Cash paid		6,163
Total consideration paid		35,483
Goodwill	$	20,176

The following table presents the acquired non-impaired loans as of the acquisition date:  

Fair value	$	204,496
Gross contractual amounts receivable		254,755
Estimate of contractual cash flows not expected to be    collected(1)		12,987
Estimate of contractual cash flows expected to be collected		241,768

(1) Includes interest payments not expected to be collected due to loan prepayments as well as principal and interest payments not expected to be collected due to customer default.

The discount on the acquired non-impaired loans is being accreted into income over the life of the loans on an effective yield basis.  

13

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The following table provides the unaudited pro forma information for the results of operations for the three and six months ended June 30, 2019, as if the acquisitions had occurred on January 1, 2019. The pro forma results combine the historical results of Oak Park River Forest into the Company’s Consolidated Statements of Operations, including the impact of certain acquisition accounting adjustments, which includes loan discount accretion, intangible assets amortization, deposit premium accretion, and borrowings, net of discount amortization. The pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the results that would have been obtained had the acquisition actually occurred on January 1, 2019. No assumptions have been applied to the pro forma results of operations regarding possible revenue enhancements, provision for credit losses, expense efficiencies or asset dispositions. The acquisition-related expenses that have been recognized are included in net income in the following table for the three and six months ended June 30, 2019.

	For the Three Months Ended		For the Six Months Ended
	June 30,		June 30,
	2019		2019
Total revenues (net interest income and non-interest income)	$	68,003	$	136,262
Net income	$	13,982	$	27,572
Earnings per share—basic	$	0.35	$	0.71
Earnings per share—diluted	$	0.34	$	0.70

Revenues and earnings of the acquired company since the acquisition date has not been disclosed as it is not practicable as Oak Park River Forest was merged into the Company and separate financial information is not readily available.

Note 4—Securities

The following tables summarize the amortized cost and fair values of securities available-for-sale and securities held-to-maturity as of the dates shown and the corresponding amounts of gross unrealized gains and losses:

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	30,443	$	652	$	—		$	31,095
U.S. Government agencies		137,002		865		(72	)		137,795
Obligations of states, municipalities, and political    subdivisions		120,427		4,735		(6	)		125,156
Residential mortgage-backed securities
Agency		662,424		17,566		(125	)		679,865
Non-agency		75,844		1,447		—			77,291
Commercial mortgage-backed securities
Agency		232,137		7,028		(111	)		239,054
Non-agency		30,984		237		—			31,221
Corporate securities		55,599		1,020		(341	)		56,278
Asset-backed securities		50,431		—		(1,315	)		49,116
Total	$	1,395,291	$	33,550	$	(1,970	)	$	1,426,871

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,404	$	178	$	—	$	4,582
Total	$	4,404	$	178	$	—	$	4,582

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	41,403	$	427	$	—		$	41,830
U.S. Government agencies		165,162		542		(754	)		164,950
Obligations of states, municipalities, and political    subdivisions		92,806		2,075		(49	)		94,832
Residential mortgage-backed securities
Agency		490,427		2,163		(2,354	)		490,236
Non-agency		109,501		593		(272	)		109,822
Commercial mortgage-backed securities
Agency		159,650		1,092		(1,041	)		159,701
Non-agency		31,144		130		—			31,274
Corporate securities		48,796		571		(37	)		49,330
Asset-backed securities		44,515		—		(198	)		44,317
Total	$	1,183,404	$	7,593	$	(4,705	)	$	1,186,292

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,412	$	86	$	—	$	4,498
Total	$	4,412	$	86	$	—	$	4,498

The Company did not classify securities as trading during the six months ended June 30, 2020 or during 2019.

Gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of June 30, 2020 and December 31, 2019, are summarized as follows:

			Less than 12 Months					12 Months or Longer					Total
June 30, 2020	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		3	$	27,051	$	(72	)	$	—	$	—		$	27,051	$	(72	)
Obligations of states, municipalities and    political subdivisions		3		415		(6	)		—		—			415		(6	)
Residential mortgage-backed securities
Agency		7		62,821		(119	)		542		(6	)		63,363		(125	)
Non-agency		—		—		—			—		—			—		—
Commercial mortgage-backed securities
Agency		1		10,139		(111	)		—		—			10,139		(111	)
Non-agency		—		—		—			—		—			—		—
Corporate securities		12		23,629		(341	)		—		—			23,629		(341	)
Asset-backed securities		9		43,115		(1,315	)		—		—			43,115		(1,315	)
Total		35	$	167,170	$	(1,964	)	$	542	$	(6	)	$	167,712	$	(1,970	)

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

			Less than 12 Months					12 Months or Longer					Total
December 31, 2019	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		8	$	49,318	$	(662	)	$	20,283	$	(92	)	$	69,601	$	(754	)
Obligations of states, municipalities and    political subdivisions		7		13,309		(45	)		1,419		(4	)		14,728		(49	)
Residential mortgage-backed securities
Agency		50		132,703		(666	)		193,363		(1,688	)		326,066		(2,354	)
Non-agency		9		36,902		(206	)		10,126		(66	)		47,028		(272	)
Commercial mortgage-backed securities
Agency		13		67,649		(563	)		32,678		(478	)		100,327		(1,041	)
Corporate securities		4		6,103		(37	)		—		—			6,103		(37	)
Asset-backed securities		8		37,738		(198	)		—		—			37,738		(198	)
Total		99	$	343,722	$	(2,377	)	$	257,869	$	(2,328	)	$	601,591	$	(4,705	)

Certain securities have fair values less than amortized cost and, therefore, contain unrealized losses. The Company evaluated the securities that had an unrealized loss for other than temporary impairment and determined all declines in value to be temporary. There were 35 securities available-for-sale with unrealized losses at June 30, 2020. There were no securities held-to-maturity with unrealized losses at June 30, 2020. The Company anticipates full recovery of amortized cost with respect to these securities by maturity, or sooner, in the event of a more favorable market interest rate environment. The Company does not intend to sell these securities and it is not more likely than not that the Company will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

The proceeds from all sales of securities available-for-sale, and the associated gains and losses, for the three and six months ended June 30, 2020 and 2019 are listed below:

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Proceeds	$	—	$	59,594	$	45,417	$	59,594
Gross gains		—		1,049		1,457		1,049
Gross losses		—		76		82		76

There were no gains or losses and $1.4 million in net gains reclassified from accumulated other comprehensive income into earnings for the three and six months ended June 30, 2020, respectively. There were $973,000 in net gains reclassified from accumulated other comprehensive income into earnings for the three and six months ended June 30, 2019.

Securities posted as collateral were $1.0 billion and $552.4 million at June 30, 2020 and December 31, 2019, respectively, of which carrying amounts of $330.9 million and $301.1 million were pledged at June 30, 2020 and December 31, 2019, respectively. At June 30, 2020 and December 31, 2019, of those pledged, the carrying amounts of securities pledged as collateral for public fund deposits were $263.5 million and $240.4 million, respectively, and for customer repurchase agreements of $62.3 million and $55.7 million, respectively. At June 30, 2020 and December 31, 2019, there were no securities pledged for advances from the Federal Home Loan Bank. Other securities were pledged for derivative positions, letters of credit and for purposes required or permitted by law. At June 30, 2020 and December 31, 2019, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

At June 30, 2020, the amortized cost and fair value of debt securities are shown by contractual 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. Securities not due at a single maturity date are shown separately. 

	Amortized Cost		Fair Value
Available-for-sale
Due in one year or less	$	30,114	$	30,390
Due from one to five years		49,382		50,805
Due from five to ten years		175,499		178,405
Due after ten years		138,907		139,840
Mortgage-backed securities		1,001,389		1,027,431
Total	$	1,395,291	$	1,426,871
Held-to-maturity
Due in one year or less	$	504	$	508
Due from one to five years		3,900		4,074
Total	$	4,404	$	4,582

Note 5—Loan and Lease Receivables

Outstanding loan and lease receivables as of the dates shown were categorized as follows:

	June 30,			December 31,
	2020			2019
Commercial real estate	$	1,349,297		$	1,275,058
Residential real estate		670,257			711,499
Construction, land development, and other land		246,669			279,403
Commercial and industrial		1,309,523			1,330,418
Paycheck Protection Program ("PPP")		626,593			—
Installment and other		3,684			6,484
Lease financing receivables		174,307			177,774
Total loans and leases		4,380,330			3,780,636
Net unamortized deferred fees and costs		8,271			2,289
Initial direct costs		2,521			2,736
Allowance for loan and lease losses		(51,300	)		(31,936	)
Net loans and leases	$	4,339,822		$	3,753,725

	June 30,			December 31,
	2020			2019
Lease financing receivables
Net minimum lease payments	$	188,826		$	193,359
Unguaranteed residual values		1,575			1,347
Unearned income		(16,094	)		(16,932	)
Total lease financing receivables		174,307			177,774
Initial direct costs		2,521			2,736
Lease financial receivables before allowance for    lease losses	$	176,828		$	180,510

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Total loans and leases consist of originated loans and leases, acquired impaired loans and acquired non-impaired loans and leases. At June 30, 2020 and December 31, 2019, total loans and leases included the guaranteed amount of U.S. government guaranteed loans of $747.2 million and $119.8 million, respectively. At June 30, 2020 and December 31, 2019, the discount on the unguaranteed portion of U.S. government guaranteed loans was $24.5 million and $23.1 million, respectively, which are included in total loans and leases. At June 30, 2020 and December 31, 2019, installment and other loans included overdraft deposits of $304,000 and $852,000, respectively, which were reclassified as loans. At June 30, 2020 and December 31, 2019, loans and leases and loans held for sale pledged as security for borrowings were $2.6 billion and $1.8 billion, respectively.

The minimum annual lease payments for lease financing receivables as of June 30, 2020 are summarized as follows:

	Minimum Lease Payments
2020	$	36,115
2021		64,203
2022		46,052
2023		27,303
2024		12,721
Thereafter		2,432
Total	$	188,826

Originated loans and leases represent originations excluding loans initially acquired in a business combination. However, once an acquired non-impaired loan reaches its maturity date, and is re-underwritten and renewed, it is internally classified as an originated loan. Acquired impaired loans are loans acquired from a business combination with evidence of credit quality deterioration and are accounted for under ASC Topic 310-30. Acquired non-impaired loans and leases represent loans and leases acquired from a business combination without more than insignificant evidence of credit quality deterioration and are accounted for under ASC Topic 310-20. Acquired leases and revolving loans having evidence of credit quality deterioration do not qualify to be accounted for as acquired impaired loans and are accounted for under ASC Topic 310-20. The following tables summarize the balances for each respective loan and lease category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	919,510	$	126,405	$	305,041	$	1,350,956
Residential real estate		480,692		90,784		99,288		670,764
Construction, land development, and other land		219,261		4,784		21,958		246,003
Commercial and industrial		1,200,996		13,485		116,668		1,331,149
Paycheck Protection Program		611,664		—		—		611,664
Installment and other		2,714		226		818		3,758
Lease financing receivables		160,741		—		16,087		176,828
Total loans and leases	$	3,595,578	$	235,684	$	559,860	$	4,391,122

December 31, 2019	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	792,263	$	135,914	$	348,365	$	1,276,542
Residential real estate		483,072		100,223		128,527		711,822
Construction, land development, and other land		235,794		5,373		37,490		278,657
Commercial and industrial		1,160,996		16,909		153,660		1,331,565
Installment and other		5,372		249		944		6,565
Lease financing receivables		158,155		—		22,355		180,510
Total loans and leases	$	2,835,652	$	258,668	$	691,341	$	3,785,661

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Acquired impaired loans—As part of the Oak Park River Forest acquisition, the Bank acquired impaired loans in the amount of $52.9 million. Refer to Note 3—Acquisition for additional information regarding the transaction. The following table presents a reconciliation of the undiscounted contractual cash flows, non-accretable difference, accretable yield, and fair value of acquired impaired loans as of the acquisition date of April 30, 2019:

Undiscounted contractual cash flows	$	74,092
Undiscounted cash flows not expected to be collected (non-accretable difference)		(11,401	)
Undiscounted cash flows expected to be collected		62,691
Accretable yield at acquisition		(9,764	)
Estimated fair value of impaired loans acquired at acquisition	$	52,927

The outstanding balance and carrying amount of all acquired impaired loans are summarized below. The balances do not include an allowance for loan and lease losses of $4.7 million and $2.8 million, at June 30, 2020 and December 31, 2019, respectively.

	June 30, 2020				December 31, 2019
	Outstanding Balance		Carrying Value		Outstanding Balance		Carrying Value
Commercial real estate	$	134,224	$	126,405	$	189,969	$	135,914
Residential real estate		95,706		90,784		151,641		100,223
Construction, land development, and other land		7,530		4,784		14,841		5,373
Commercial and industrial		17,716		13,485		23,330		16,909
Installment and other		284		226		1,099		249
Total acquired impaired loans	$	255,460	$	235,684	$	380,880	$	258,668

The following table summarizes the changes in accretable yield for acquired impaired loans for the three and six months ended June 30, 2020 and 2019: 

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Beginning balance	$	37,037		$	29,340		$	40,009		$	37,115
Additions		—			8,501			—			8,501
Accretion to interest income		(4,452	)		(5,996	)		(9,657	)		(11,245	)
Reclassification from (to) nonaccretable difference, net		(717	)		14,693			1,516			12,167
Ending balance	$	31,868		$	46,538		$	31,868		$	46,538

Acquired non-impaired loans and leases—The Company acquired non-impaired loans as part of the Oak Park River Forest acquisition in the amount of $204.5 million. Refer to Note 3—Acquisition for additional information regarding the transaction.

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The unpaid principal balance and carrying value for acquired non-impaired loans and leases at June 30, 2020 and December 31, 2019 were as follows:

	June 30, 2020				December 31, 2019
	Unpaid Principal Balance		Carrying Value		Unpaid Principal Balance		Carrying Value
Commercial real estate	$	312,284	$	305,041	$	356,787	$	348,365
Residential real estate		100,571		99,288		130,412		128,527
Construction, land development, and other land		22,411		21,958		38,416		37,490
Commercial and industrial		120,626		116,668		159,599		153,660
Installment and other		840		818		971		944
Lease financing receivables		17,687		16,087		23,976		22,355
Total acquired non-impaired loans and leases	$	574,419	$	559,860	$	710,161	$	691,341

Note 6—Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments

Loans and leases considered for inclusion in the allowance for loan and lease losses include acquired non-impaired loans and leases, those acquired impaired loans with credit deterioration after acquisition, and originated loans and leases. Although all acquired loans and leases are included in the following table, only those with credit deterioration subsequent to acquisition date are included in the allowance for loan and lease losses.

The following tables summarize the balance and activity within the allowance for loan and lease losses, the components of the allowance for loan and lease losses in terms of loans and leases individually and collectively evaluated for impairment, and corresponding loan and lease balances by type for the three and six months ended June 30, 2020 and 2019 are as follows:

June 30, 2020	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Paycheck Protection Program		Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	11,851		$	2,778		$	1,004	$	24,139		$	—	$	53		$	2,015		$	41,840
Provisions		3,306			956			487		10,695			—		(17	)		91			15,518
Charge-offs		(1,088	)		(4	)		—		(4,845	)		—		—			(561	)		(6,498	)
Recoveries		41			11			—		119			—		—			269			440
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Six months ended
Beginning balance	$	7,965		$	1,990		$	610	$	19,377		$	—	$	50		$	1,944		$	31,936
Provisions		7,728			1,740			881		19,241			—		(14	)		397			29,973
Charge-offs		(1,640	)		(9	)		—		(8,803	)		—		—			(1,018	)		(11,470	)
Recoveries		57			20			—		293			—		—			491			861
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Ending balance:
Individually evaluated for    impairment	$	3,525		$	80		$	—	$	10,409		$	—	$	—		$	—		$	14,014
Collectively evaluated for    impairment		8,576			2,898			1,404		17,822			—		36			1,814			32,550
Loans acquired with deteriorated credit quality		2,009			763			87		1,877			—		—			—			4,736
Total allowance for loan and lease losses	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300

20

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	36,751	$	1,805	$	4,189	$	35,545	$	—	$	—	$	—	$	78,290
Collectively evaluated for    impairment		1,187,800		578,175		237,030		1,282,119		611,664		3,532		176,828		4,077,148
Loans acquired with deteriorated credit quality		126,405		90,784		4,784		13,485		—		226		—		235,684
Total loans and leases	$	1,350,956	$	670,764	$	246,003	$	1,331,149	$	611,664	$	3,758	$	176,828	$	4,391,122

June 30, 2019	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	6,660		$	1,970		$	536	$	15,630		$	63		$	2,247		$	27,106
Provisions		2,695			(62	)		155		3,320			8			275			6,391
Charge-offs		(818	)		(9	)		—		(1,827	)		(4	)		(622	)		(3,280	)
Recoveries		397			272			—		3			—			243			915
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Six months ended
Beginning balance	$	7,540		$	1,751		$	466	$	12,932		$	49		$	2,463		$	25,201
Provisions		3,137			156			225		6,352			22			498			10,390
Charge-offs		(2,169	)		(9	)		—		(2,179	)		(4	)		(1,267	)		(5,628	)
Recoveries		426			273			—		21			—			449			1,169
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Ending balance:
Individually evaluated for    impairment	$	2,775		$	22		$	—	$	6,489		$	—		$	—		$	9,286
Collectively evaluated for    impairment		4,433			1,559			676		9,495			65			2,143			18,371
Loans acquired with deteriorated    credit quality		1,726			590			15		1,142			2			—			3,475
Total allowance for loan and lease    losses	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132

21

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

June 30, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	18,707	$	2,899	$	—	$	24,278	$	—	$	—	$	45,884
Collectively evaluated for    impairment		1,141,705		656,329		247,728		1,275,922		12,609		188,420		3,522,713
Loans acquired with deteriorated    credit quality		151,127		118,534		4,220		20,370		300		—		294,551
Total loans and leases	$	1,311,539	$	777,762	$	251,948	$	1,320,570	$	12,909	$	188,420	$	3,863,148

The Company increased the allowance for loan and lease losses by $9.5 million and $19.4 million for the three and six months ended June 30, 2020, respectively, and by $4.0 million and $5.9 million for the three and six months ended June 30, 2019, respectively. For acquired impaired loans, the Company increased the allowance for loan and lease losses by $434,000 and $2.0 million for the three and six months ended June 30, 2020, respectively, and by $629,000 and $740,000 for the three and six months ended June 30, 2019, respectively.

For loans individually evaluated for impairment, the Company increased the allowance for loan and lease losses by $579,000 and $3.3 million for the three and six months ended June 30, 2020, respectively, and by $1.7 million and $2.6 million for the three and six months ended June 30, 2019, respectively. For loans collectively evaluated for impairment, the Company increased the allowance for loan and lease losses by $8.4 million and $14.1 million for the three and six months ended June 30, 2020, respectively, and by $1.7 million and $2.6 million for the three and six months ended June 30, 2019, respectively.

An allowance for loan and lease loss allocation has not been made for Paycheck Protection Program (“PPP”) loans as the loans have a 100% SBA guarantee. On a quarterly basis, the Company assesses the collectability of its government guarantee using historical experience.

The following tables summarize the recorded investment, unpaid principal balance, and related allowance for loans and leases considered impaired as of June 30, 2020 and December 31, 2019, which exclude acquired impaired loans.  For purposes of these tables, the unpaid principal balance represents the outstanding contractual balance. Impaired loans include loans that are individually evaluated for impairment as well as troubled debt restructurings for all loan categories. The sum of non-accrual loans and loans past due 90 days still on accrual will differ from the total impaired loan amount.

June 30, 2020	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	24,950	$	91,211	$	—
Residential real estate		1,534		1,624		—
Construction, land development, and other land		4,189		4,216		—
Commercial and industrial		16,774		43,215		—
With an allowance recorded
Commercial real estate		11,801		47,249		3,525
Residential real estate		271		274		80
Commercial and industrial		18,771		59,869		10,409
Total impaired loans	$	78,290	$	247,658	$	14,014

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

December 31, 2019	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	16,556	$	19,808	$	—
Residential real estate		2,165		2,253		—
Construction, land development, and other land		2,644		3,000		—
Commercial and industrial		19,211		20,398		—
With an allowance recorded
Commercial real estate		9,840		10,691		2,614
Residential real estate		233		233		124
Commercial and industrial		18,092		19,285		7,952
Total impaired loans	$	68,741	$	75,668	$	10,690

The following tables summarize the average recorded investment and interest income recognized for loans and leases considered impaired, which excludes acquired impaired loans, for the six months ended:

June 30, 2020	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	20,544	$	555
Residential real estate		1,398		15
Construction, land development, and other land		3,094		220
Commercial and industrial		16,651		262
With an allowance recorded
Commercial real estate		13,402		339
Residential real estate		512		21
Commercial and industrial		22,948		746
Total impaired loans	$	78,549	$	2,158

June 30, 2019	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	8,094	$	187
Residential real estate		1,785		27
Commercial and industrial		11,583		223
With an allowance recorded
Commercial real estate		6,793		155
Residential real estate		219		4
Commercial and industrial		12,043		247
Total impaired loans	$	40,517	$	843

23

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The following tables summarize the risk rating categories of the loans and leases considered for inclusion in the allowance for loan and lease losses calculation, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Pass	$	1,012,490	$	551,885	$	232,121	$	1,053,606	$	611,664	$	3,257	$	172,443	$	3,637,466
Watch		139,224		20,614		3,472		175,207		—		273		—		338,790
Special Mention		37,306		3,731		1,437		52,739		—		—		2,242		97,455
Substandard		35,531		3,750		4,189		36,112		—		2		1,574		81,158
Doubtful		—		—		—		—		—		—		569		569
Loss		—		—		—		—		—		—		—		—
Total	$	1,224,551	$	579,980	$	241,219	$	1,317,664	$	611,664	$	3,532	$	176,828	$	4,155,438

December 31, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Pass	$	984,881	$	584,363	$	247,775	$	1,087,856	$	6,013	$	177,696	$	3,088,584
Watch		99,803		21,856		18,181		159,282		302		8		299,432
Special Mention		27,484		3,648		4,684		26,944		—		1,799		64,559
Substandard		28,460		1,732		2,644		40,574		1		728		74,139
Doubtful		—		—		—		—		—		279		279
Loss		—		—		—		—		—		—		—
Total	$	1,140,628	$	611,599	$	273,284	$	1,314,656	$	6,316	$	180,510	$	3,526,993

The following tables summarize contractual delinquency information for acquired non-impaired and originated loans and leases by category at June 30, 2020 and December 31, 2019:

June 30, 2020	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	2,864	$	2,150	$	—	$	17,963	$	22,977	$	1,201,574	$	1,224,551
Residential real estate		2,302		349		—		1,780		4,431		575,549		579,980
Construction, land development, and    other land		—		—		—		—		—		241,219		241,219
Commercial and industrial		3,298		360		—		19,100		22,758		1,294,906		1,317,664
Paycheck Protection Program		—		—		—		—		—		611,664		611,664
Installment and other		4		36		—		2		42		3,490		3,532
Lease financing receivables		912		396		—		1,660		2,968		173,860		176,828
Total	$	9,380	$	3,291	$	—	$	40,505	$	53,176	$	4,102,262	$	4,155,438

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

December 31, 2019	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	14,269	$	5,153	$	—	$	12,274	$	31,696	$	1,108,932	$	1,140,628
Residential real estate		3,187		460		—		1,371		5,018		606,581		611,599
Construction, land development, and    other land		—		4,460		—		—		4,460		268,824		273,284
Commercial and industrial		7,789		3,594		—		22,151		33,534		1,281,122		1,314,656
Installment and other		133		2		—		1		136		6,180		6,316
Lease financing receivables		585		532		—		475		1,592		178,918		180,510
Total	$	25,963	$	14,201	$	—	$	36,272	$	76,436	$	3,450,557	$	3,526,993

Trouble debt restructurings (“TDRs”) are granted due to borrower financial difficulty and provide for a modification of loan repayment terms. TDRs are treated in the same manner as impaired loans for purposes of calculating the allowance for loan and lease losses. The tables below present TDRs by loan category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		7	$	2,856	$	2,856	$	—	$	98
Commercial and industrial		2		123		123		—		101
Residential real estate		2		172		172		—		—
Total accruing		11		3,151		3,151		—		199
Non-accruing:
Commercial real estate		6		2,840		1,911		929		55
Commercial and industrial		13		5,524		5,447		77		3,757
Residential real estate		1		91		91		—		—
Total non-accruing		20		8,455		7,449		1,006		3,812
Total troubled debt restructurings		31	$	11,606	$	10,600	$	1,006	$	4,011

December 31, 2019	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		5	$	1,451	$	1,451	$	—	$	223
Commercial and industrial		2		129		129		—		118
Residential real estate		2		191		191		—		—
Total accruing		9		1,771		1,771		—		341
Non-accruing:
Commercial real estate		6		2,777		2,600		177		513
Commercial and industrial		11		8,048		6,096		1,952		1,312
Residential real estate		1		104		104		—		—
Total non-accruing		18		10,929		8,800		2,129		1,825
Total troubled debt restructurings		27	$	12,700	$	10,571	$	2,129	$	2,166

In addition, there was a $500,000 commitment outstanding on troubled debt restructurings at December 31, 2019 and none at June 30, 2020. 

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Loans modified as troubled debt restructurings that occurred during the three and six months ended June 30, 2020 and 2019 were:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Accruing:
Beginning balance	$	1,725		$	1,921		$	1,771		$	1,813
Additions		—			—			—			113
Net payments		(30	)		(44	)		(76	)		(49	)
Net transfers from (to) non-accrual		1,456			(348	)		1,456			(348	)
Ending balance		3,151			1,529			3,151			1,529
Non-accruing:
Beginning balance		12,117			7,119			8,800			7,314
Additions		1,375			1,182			5,633			1,428
Net payments		(445	)		(815	)		(1,386	)		(726	)
Charge-offs		(4,142	)		—			(4,142	)		(530	)
Net transfers from (to) accrual		(1,456	)		348			(1,456	)		348
Ending balance		7,449			7,834			7,449			7,834
Total troubled debt restructurings	$	10,600		$	9,363		$	10,600		$	9,363

There were no troubled debt restructurings that subsequently defaulted within twelve months of the restructure date during the three and six months ended June 30, 2020, but there were troubled debt restructurings totaling $348,000 that defaulted for the three and six months ended June 30, 2019.  

At June 30, 2020 and December 31, 2019, the reserve for unfunded commitments was $1.9 million and $1.2 million, respectively. During the three and six months ended June 30, 2020, the provision for unfunded commitments was $492,000 and $691,000, respectively. During the three and six months ended June 30, 2019, the provision for unfunded commitments was $183,000 and $28,000, respectively. There were no charge-offs or recoveries related to the reserve for unfunded commitments during the periods.

Note 7—Servicing Assets

Activity for servicing assets and the related changes in fair value for the three and six months ended June 30, 2020 and 2019 was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	17,800		$	19,534		$	19,471		$	19,693
Additions, net		1,262			1,449			2,655			2,551
Changes in fair value		(711	)		(1,223	)		(3,775	)		(2,484	)
Ending balance	$	18,351		$	19,760		$	18,351		$	19,760

Loans serviced for others are not included in the Consolidated Statements of Financial Condition. The unpaid principal balances of these loans serviced for others as of June 30, 2020 and December 31, 2019 were as follows:

	June 30,		December 31,
	2020		2019
Loan portfolios serviced for:
SBA guaranteed loans	$	1,278,876	$	1,231,959
USDA guaranteed loans		123,450		119,047
Total	$	1,402,326	$	1,351,006

26

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Loan servicing revenue totaled $3.0 million and $2.6 million for the three months ended June 30, 2020 and 2019, respectively. Loan servicing revenue totaled $5.7 million and $5.2 million for the six months ended June 30, 2020 and 2019, respectively. Loan servicing asset revaluation, which represents the changes in fair value of servicing assets, resulted in downward valuations of $711,000 and $1.2 million for three months ended June 30, 2020 and 2019, respectively. Loan servicing asset revaluation resulted in downward valuations of $3.8 million and $2.5 million for the six months ended June 30, 2020 and 2019, respectively.

The fair value of servicing rights is highly sensitive to changes in underlying assumptions. Changes in secondary market premiums contribute to the change in fair value of servicing rights while prepayment speed assumptions have the most significant impact on the fair value of servicing rights.

Generally, as interest rates rise on variable rate loans, loan prepayments increase due to an increase in refinance activity, which may result in a decrease in the fair value of servicing assets. Measurement of fair value is limited to the conditions existing and the assumptions used as of a particular point in time, and those assumptions may change over time. Refer to Note 15—Fair Value Measurement for further details.

Note 8—Other Real Estate Owned

The following table presents the change in other real estate owned (“OREO”) for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	9,273		$	4,595		$	9,896		$	5,041
Acquisitions of OREO through business    combination		—			2,201			—			2,201
Net additions to OREO		64			510			86			536
Proceeds from sales of OREO		(386	)		(702	)		(650	)		(1,057	)
Gains (losses) on sales of OREO		3			6			85			(27	)
Valuation adjustments		(302	)		(79	)		(765	)		(163	)
Ending balance	$	8,652		$	6,531		$	8,652		$	6,531

At June 30, 2020 and December 31, 2019, the balance of real estate owned included $1.2 million and $1.5 million, respectively, of foreclosed residential real estate properties recorded as a result of obtaining physical possession of the property.

At June 30, 2020 and December 31, 2019, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process was $2.1 million.

27

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

There were no internally financed sales of OREO for the three and six months ended June 30, 2020. Proceeds from internally financed sales of OREO were $183,000 for the six months ended June 30, 2019.  There were no internally financed sales of OREO for the three months ended June 30, 2019.

Note 9—Goodwill, Core Deposit Intangible and Other Intangible Assets

The following tables summarize the changes in the Company’s goodwill, core deposit intangible assets, and customer relationship intangible assets for the three and six months ended June 30, 2020 and 2019:  

	Three Months Ended June 30,
	2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	27,285		$	2,724		$	128,177	$	28,654		$	2,992
Additions		—		—			—			17,461		6,220			—
Amortization		—		(1,826	)		(66	)		—		(1,892	)		(66	)
Ending balance	$	148,353	$	25,459		$	2,658		$	145,638	$	32,982		$	2,926
Accumulated amortization	N/A		$	30,007		$	558		N/A		$	22,484		$	290
Weighted average remaining    amortization period	N/A		6.0 Years			9.9 Years			N/A		7.0 Years			10.9 Years

	Six Months Ended June 30,
	2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	29,111		$	2,791		$	128,177	$	30,360		$	3,059
Additions		—		-			—			17,461		6,220			—
Amortization		—		(3,652	)		(133	)		—		(3,598	)		(133	)
Ending balance	$	148,353	$	25,459		$	2,658		$	145,638	$	32,982		$	2,926
Accumulated amortization	N/A		$	30,007		$	558		N/A		$	22,484		290
Weighted average remaining    amortization period	N/A		6.0 Years			9.9 Years			N/A		7.0 Years			10.9 Years

The Company added additional goodwill and core deposit intangible assets in conjunction with the Oak Park River Forest acquisition. Please refer to Note 3—Acquisition for further details.   

The following table presents the estimated amortization expense for core deposit intangible and customer relationship intangible assets remaining at June 30, 2020:

	Estimated Amortization
2020	$	3,785
2021		6,998
2022		6,426
2023		4,371
2024		2,286
Thereafter		4,251
Total	$	28,117

28

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Note 10—Income Taxes

The Company uses an estimated annual effective tax rate method in computing its interim tax provision. This effective tax rate is based on forecasted annual pre-tax income, permanent tax differences and statutory tax rates.

The effective tax rate for the six months ended June 30, 2020 and 2019 was 28.3% and 27.7%, respectively. The Company recorded discrete income tax provision of $76,000 and a benefit of $65,000 related to the exercise of stock options and vesting of restricted shares for the six months ended June 30, 2020 and 2019, respectively.

Net deferred tax assets decreased to $37.1 million at June 30, 2020 compared to $38.3 million at December 31, 2019. The net decrease in the total net deferred tax assets recorded as of June 30, 2020 was a result of an increase in unrealized gains on available-for-sale securities, partially offset by an increase in net deferred costs resulting from unearned processing fees related to PPP loan originations.

Note 11—Deposits

The composition of deposits was as follows as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Non-interest-bearing demand deposits	$	1,768,675	$	1,279,641
Interest-bearing checking accounts		503,909		338,185
Money market demand accounts		1,233,748		881,387
Other savings		525,043		475,839
Time deposits (below $250,000)		710,429		916,723
Time deposits ($250,000 and above)		216,541		255,802
Total deposits	$	4,958,345	$	4,147,577

Time deposits of $250,000 or more included $56.0 million and $41.0 million of brokered deposits at June 30, 2020 and December 31, 2019, respectively. 

Note 12—Other Borrowings

The following is a summary of the Company’s other borrowings as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Paycheck Protection Program Liquidity Facility	$	449,889	$	—
Line of credit		—		—
Federal Home Loan Bank advances		4,000		490,000
Securities sold under agreements to repurchase		56,525		49,638
Total	$	510,414	$	539,638

On April 21, 2020, the Bank entered into a Letter Agreement with the Federal Reserve Bank of Chicago that allows the Bank to access the Paycheck Protection Program Liquidity Facility (the “PPPLF”).  Under the terms of the PPPLF, the Bank will pledge loans originated under the PPP to the Federal Reserve Bank of Chicago as collateral for available advances under the PPPLF.  Advances under the PPPLF will be an amount equal to the aggregate principal amount of PPP loans pledged by Byline Bank, carry an interest rate of 35 basis points and mature on the maturity date of the PPP loans pledged as collateral for the advance. As of June 30, 2020, the PPPLF had $449.9 million with an interest rate of 0.35% with various maturity dates in April 2022 and May 2022.

Byline Bank has the capacity to borrow funds from the discount window of the Federal Reserve System.  As of June 30, 2020 and December 31, 2019, there were no outstanding advances under the Federal Reserve Bank discount window line.  The Company pledges loans and leases as collateral for the Federal Reserve Bank discount window borrowing.  Refer to Note 5—Loan and Lease Receivables for additional discussion.

29

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

At June 30, 2020, fixed-rate Federal Home Loan Bank (“FHLB”) advances totaled $4.0 million, bearing no interest rate and a maturity of May 2021. The Company’s advances from the FHLB are collateralized by residential real estate loans, commercial real estate loans, and securities. The Bank’s maximum borrowing capacity is limited to 35% of total assets. The Company’s required investment in FHLB stock is $4.50 for every $100 in advances.

Securities sold under agreements to repurchase represent a demand deposit product offered to customers that sweep balances in excess of the FDIC insurance limit into overnight repurchase agreements. The Company pledges securities as collateral for the repurchase agreements. Refer to Note 4—Securities for additional discussion.

On October 13, 2016, the Company entered into a $30.0 million revolving credit agreement with a correspondent bank. Through subsequent amendments, the revolving credit agreement was reduced to $15.0 million and the maturity of the credit facility was extended to October 9, 2020. The amended revolving line of credit bears interest at either the London Interbank Offered Rate (“LIBOR”) plus 195 basis points or the Prime Rate minus 75 basis points, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period. If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points. At June 30, 2020 and December 31, 2019, the line of credit had no outstanding balance.

The Company hedges interest rates on borrowed funds using interest rate swaps through which the Company receives variable amounts and pays fixed amounts. Refer to Note 16—Derivative Instruments and Hedging Activities for additional discussion.

The following table presents short-term credit lines available for use as of June 30, 2020 and December 31, 2019:    

	June 30,		December 31,
	2020		2019
Available federal funds lines (1)	$	115,000	$	115,000
Federal Reserve Bank discount window line		884,968		547,798
Federal Home Loan Bank line		1,980,351		1,390,698

(1) The Company did not have an outstanding balance on its federal funds lines as of June 30, 2020 and December 31, 2019.

30

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Note 13—Subordinated Notes and Junior Subordinated Debentures

On June 26, 2020, the Company issued $50.0 million in 6.00% fixed-to-floating subordinated notes that mature on July 1, 2030.  The subordinated notes bear a fixed interest rate of 6.00% until July 1, 2025 and a floating interest rate equal to a benchmark rate, which is expected to be three-month Secured Overnight Financing Rate plus 588 basis points thereafter until maturity.  The Company may, at its option, redeem the notes, in whole or in part, on a semi-annual basis beginning on July 1, 2025, subject to obtaining the prior approval of the Federal Reserve to the extent such approval is then required.  The subordinated notes are intended to qualify as Tier 2 capital for regulatory capital purposes.  The transaction resulted in debt issuance costs of approximately $1.2 million that will be amortized over 10 years.

On August 3, 2020, the Company issued an additional $25.0 million in 6.00% fixed-to-floating subordinated notes, that mature on July 1, 2030. These notes will be part of the same series of notes as the $50.0 million issued on June 26, 2020 and will be fungible and treated as a single series.

At June 30, 2020 and December 31, 2019, the Company’s junior subordinated debentures by issuance were as follows:

Name of Trust	Aggregate Principal Amount June 30, 2020			Aggregate Principal Amount December 31, 2019			Stated Maturity	Contractual Rate at June 30, 2020			Interest Rate Spread
Metropolitan Statutory Trust 1	$	35,000		$	35,000		March 17, 2034		3.09	%	Three-month LIBOR + 2.79%
RidgeStone Capital Trust I		—			1,500		June 30, 2033	n/a			Five-year LIBOR + 3.50%
First Evanston Bancorp Trust I		10,000			10,000		March 15, 2035		2.09	%	Three-month LIBOR + 1.78%
Total liability, at par		45,000			46,500
Discount		(8,794	)		(9,166	)
Total liability, at carrying value	$	36,206		$	37,334

In 2004, the Company’s predecessor, Metropolitan Bank Group, Inc., issued $35.0 million floating rate junior subordinated debentures to Metropolitan Statutory Trust 1, which was formed for the issuance of trust preferred securities. The debentures bear interest at three-month LIBOR plus 2.79% (3.09% and 4.69% at June 30, 2020 and December 31, 2019, respectively). Interest is payable quarterly. The Company has the right to redeem the debentures, in whole or in part, on any interest payment date on or after March 2009. Accrued interest payable was $43,000 and $71,000 as of June 30, 2020 and December 31, 2019, respectively.

As part of the Ridgestone acquisition, the Company assumed the obligations to RidgeStone Capital Trust I of $1.5 million in principal amount, which was formed for the issuance of trust preferred securities. Beginning on June 30, 2008, the interest rate reset to the five-year LIBOR plus 3.50% (6.38% at December 31, 2019), which was in effect until June 30, 2023 and updated every five years. Interest was paid on a quarterly basis. The Company had the right to redeem the debentures, in whole or in part, on any interest payment date on or after June 30, 2008. There was no accrued interest payable as of June 30, 2020 or December 31, 2019.  On February 25, 2020 the Company notified the trustee of RidgeStone Capital Trust I of its intent to redeem the debentures.  On June 30, 2020, the Company redeemed the debentures, in whole and at the par value of $1.5 million and recognized a charge of $112,000 to non-interest income for the remaining discount.

As part of the First Evanston acquisition, the Company assumed the obligations to First Evanston Bancorp Trust I of $10.0 million in principal amount, which was formed for the issuance of trust preferred securities. Beginning on March 15, 2010, the interest rate reset to the three-month LIBOR plus 1.78% (2.09% and 3.67% at June 30, 2020 and December 31, 2019, respectively), which is in effect until the debentures mature in 2035. Interest is paid on a quarterly basis. The Company has the right to redeem the debentures, in whole or in part, on any interest payment date on or after March 2010. The Company has the option to defer interest payments on the debentures from time to time for a period not to exceed five consecutive years. Accrued interest payable was $9,000 and $17,000 as of June 30, 2020 and December 31, 2019, respectively.

The Trusts are not consolidated with the Company. Accordingly, the Company reports the subordinated debentures held by the Trusts as liabilities. The Company owns all of the common securities of each trust. The junior subordinated debentures qualify, and are treated as, Tier 1 regulatory capital of the Company subject to regulatory limitations. The trust preferred securities issued by each trust rank equally with the common securities in right of payment, except that if an event

31

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

of default under the indenture governing the notes has occurred and is continuing, the preferred securities will rank senior to the common securities in right of payment.

Note 14—Commitments and Contingent Liabilities

Legal contingencies—In the ordinary course of business, the Company and Bank have various outstanding commitments and contingent liabilities that are not recognized in the accompanying consolidated financial statements. In addition, the Company may be a defendant in certain claims and legal actions arising in the ordinary course of business. In the opinion of management, after consultation with legal counsel, the ultimate disposition of these matters is currently not expected to have a material adverse effect on the Company’s Consolidated Financial Statements.

Operating lease commitments—The Company has entered into various operating lease agreements primarily for facilities and land on which banking facilities are located. Certain lease agreements have renewal options at the end of the original lease term and certain lease agreements have escalation clauses in the rent payments.

The minimum annual rental commitments for operating leases subsequent to June 30, 2020, exclusive of taxes and other charges, are summarized as follows:

	Minimum Rental Commitments
2020	$	2,258
2021		4,148
2022		2,380
2023		1,382
2024		1,249
Thereafter		2,148
Total	$	13,565

The Company’s rental expenses for the three months ended June 30, 2020 and 2019 were $1.7 million and $1.5 million respectively, and for the six months ended June 30, 2020 and 2019 were $3.3 million and $2.8 million, respectively. During the three months ended June 30, 2020 and 2019, the Company received $182,000 and $190,000 respectively in sublease income that is included in the Consolidated Statements of Operations as a reduction of occupancy expense. For the six months ended June 30, 2020 and 2019, the Company received $365,000 and $370,000, respectively, in sublease income. The total amount of minimum rentals to be received in the future on these subleases is approximately $930,000, and the leases have contractual lives extending through 2025. In addition to the above required lease payments, the Company has contractual obligations related primarily to information technology contracts and other maintenance contracts.

Commitments to extend credit—The Company is party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The contractual or notional amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to credit loss in the event of non-performance by the other party to the financial instrument for commitments to extend credit and letters of credit is represented by the contractual or notional amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for funded instruments. The Company does not anticipate any material losses as a result of the commitments and letters of credit.

32

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The following table summarizes the contract or notional amount of outstanding loan and lease commitments at June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
	Fixed Rate		Variable Rate		Total		Fixed Rate		Variable Rate		Total
Commitments to extend credit	$	81,722	$	962,873	$	1,044,595	$	55,852	$	908,382	$	964,234
Letters of credit		692		62,207		62,899		724		65,514		66,238
Total	$	82,414	$	1,025,080	$	1,107,494	$	56,576	$	973,896	$	1,030,472

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the counterparty. Collateral is primarily obtained in the form of commercial and residential real estate (including income producing commercial properties).

Letters of credit are conditional commitments issued by the Company to guarantee to a third-party the performance of a customer. Those guarantees are primarily issued to support public and private borrowing arrangements, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

Commitments to make loans are generally made for periods of 90 days or less. The fixed rate loan commitments have interest rates ranging from 1.25% to 18.00% and maturities up to 2050. Variable rate loan commitments have interest rates ranging from 1.25% to 10.00% and maturities up to 2048.

Note 15—Fair Value Measurement

Fair value is 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. In addition, the Company has the ability to obtain fair values for markets that are not accessible.

These types of inputs create the following fair value hierarchy:

Level 1—Quoted prices in active markets for identical assets or liabilities.

Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3—Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the asset or liability. Unobservable inputs are used to measure fair value to the extent that observable inputs are not available. The Company’s own data used to develop unobservable inputs may be adjusted for market considerations when reasonably available.

The categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to assets and liabilities.

The Company used the following methods and significant assumptions to estimate fair value for certain assets measured and carried at fair value on a recurring basis:

33

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Securities available-for-sale—The Company obtains fair value measurements from an independent pricing service. Management reviews the procedures used by the third party, including significant inputs used in the fair value calculations. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things. When market quotes are not readily accessible or available, alternative approaches are utilized, such as matrix or model pricing.

The Company’s methodology for pricing non-rated bonds focuses on three distinct inputs: equivalent rating, yield and other pricing terms. To determine the rating for a given non-rated municipal bond, the Company references a publicly issued bond by the same issuer if available as well as other additional key metrics to support the credit worthiness. Typically, pricing for these types of bonds would require a higher yield than a similar rated bond from the same issuer. A reduction in price is applied to the rating obtained from the comparable bond, as the Company believes if liquidated, a non-rated bond would be valued less than a similar bond with a verifiable rating. The reduction applied by the Company is one notch lower (i.e. a “AA” rating for a comparable bond would be reduced to “AA-” for the Company’s valuation). In 2020 and 2019, all of the ratings derived by the Company were “BBB” or better with and without comparable bond proxies. The fair value measurement of municipal bonds is sensitive to the rating input, as a higher rating typically results in an increased valuation. The remaining pricing inputs used in the bond valuation are observable. Based on the rating determined, the Company obtains a corresponding current market yield curve available to market participants. Other terms including coupon, maturity date, redemption price, number of coupon payments per year, and accrual method are obtained from the individual bond term sheets.

Equity and other securities—The Company utilizes the same fair value measurement methodology for equity and other securities as detailed in the securities available-sale portfolio above.

Servicing assets—Fair value is based on a loan-by-loan basis taking into consideration the original term to maturity, the current age of the loan and the remaining term to maturity. The valuation methodology utilized for the servicing assets begins with generating estimated future cash flows for each servicing asset, based on their unique characteristics and market-based assumptions for prepayment speeds and costs to service. The present value of the future cash flows are then calculated utilizing market-based discount rate assumptions.

Derivative instruments—Interest rate derivatives are valued by a third party, using models that primarily use market observable inputs, such as yield curves, and are validated by comparison with valuations provided by the respective counterparties. Derivative financial instruments are included in other assets and other liabilities in the Consolidated Statements of Financial Condition.

34

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The following tables summarize the Company’s financial assets and liabilities that were measured at fair value on a recurring basis at June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	31,095	$	31,095	$	—	$	—
U.S. Government agencies		137,795		—		137,795		—
Obligations of states, municipalities, and political    subdivisions		125,156		—		125,156		—
Mortgage-backed securities; residential
Agency		679,865		—		679,865		—
Non-Agency		77,291		—		77,291		—
Mortgage-backed securities; commercial
Agency		239,054		—		239,054		—
Non-Agency		31,221		—		31,221		—
Corporate securities		56,278		—		56,278		—
Asset-backed securities		49,116		—		49,116		—
Equity and other securities, at fair value
Mutual funds		2,996		2,996		—		—
Equity securities		5,185		—		4,501		684
Servicing assets		18,351		—		—		18,351
Derivative assets		20,084		—		20,084		—
Financial liabilities
Derivative liabilities		21,393		—		21,393		—

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	41,830	$	41,830	$	—	$	—
U.S. Government agencies		164,950		—		164,950		—
Obligations of states, municipalities, and political    subdivisions		94,832		—		94,832		—
Mortgage-backed securities; residential
Agency		490,236		—		490,236		—
Non-Agency		109,822		—		109,822		—
Mortgage-backed securities; commercial
Agency		159,701		—		159,701		—
Non-Agency		31,274		—		31,274		—
Corporate securities		49,330		—		49,330		—
Asset-backed securities		44,317		—		44,317		—
Equity and other securities, at fair value
Mutual funds		2,952		2,952		—		—
Equity securities		5,079		—		4,379		700
Servicing assets		19,471		—		—		19,471
Derivative assets		7,960		—		7,960		—
Financial liabilities
Derivative liabilities		8,519		—		8,519		—

35

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The Company did not have any transfers to or from Level 3 of the fair value hierarchy during the six months ended June 30, 2020 and 2019.

The following table presents additional information about financial assets measured at fair value on recurring basis for which the Company used significant unobservable inputs (Level 3):

	Six Months Ended June 30,
	2020			2019		2020			2019
	Investment Securities					Servicing Assets
Balance, beginning of period	$	700		$	886	$	19,471		$	19,693
Additions, net		—			—		2,655			2,551
Amortization		—			3		—			—
Change in fair value		(19	)		1		(3,775	)		(2,484	)
Balance, end of period	$	681		$	890	$	18,351		$	19,760

The following table presents additional information about the unobservable inputs used in the fair value measurements on recurring basis that were categorized within Level 3 of the fair value hierarchy as of June 30, 2020:

Financial Instruments	Valuation Technique	Unobservable Inputs	Range of Inputs	Weighted Average Range			Impact to Valuation from an Increased or Higher Input Value
Single issuer trust preferred	Discounted cash flow	Discount rate	4.9% - 5.4%		5.5	%	Decrease
Servicing assets	Discounted cash flow	Prepayment speeds	1.7% - 29.2%		16.0	%	Decrease
		Discount rate	2.1% - 37.6%		11.5	%	Decrease
		Expected weighted average loan life	0.1 - 8.8 years	3.7 years			Increase

The Company used the following methods and significant assumptions to estimate fair value for certain assets measured and carried at fair value on a non-recurring basis:

Impaired loans (excluding acquired impaired loans)—Impaired loans, other than those existing on the date of a business acquisition, are primarily carried at the fair value of the underlying collateral, less estimated costs to sell, if the loan is collateral dependent. Valuations of impaired loans that are collateral dependent are supported by third party appraisals in accordance with the Bank’s credit policy. Other valuation methods include analysis of discounted cash flows, which measures the present value of expected future cash flows discounted at the loan’s effective interest rate. Impaired loans that are not collateral dependent are not material.

Assets held for sale—Assets held for sale consist of former branch locations and real estate previously purchased for expansion. Assets are considered held for sale when management has approved to sell the assets following a branch closure or other events. The properties are being actively marketed and transferred to assets held for sale based on the lower of carrying value or its fair value, less estimated costs to sell.

36

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Other real estate owned—Certain assets held within other real estate owned represent real estate or other collateral that has been adjusted to its estimated fair value, less cost to sell, as a result of transferring from the loan portfolio at the time of foreclosure or repossession and based on management’s periodic impairment evaluation. From time to time, non-recurring fair value adjustments to other real estate owned are recorded to reflect partial write-downs based on an observable market price or current appraised value of property.

Adjustments to fair value based on such non-recurring transactions generally result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairment. The following tables summarize the Company’s assets that were measured at fair value on a non-recurring basis, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	33,226	$	—	$	—	$	33,226
Residential real estate		1,725		—		—		1,725
Construction, land development, and other land		4,189		—		—		4,189
Commercial and industrial		25,136		—		—		25,136
Assets held for sale		15,264		—		—		15,264
Other real estate owned		8,652		—		—		8,652

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	23,782	$	—	$	—	$	23,782
Residential real estate		2,274		—		—		2,274
Construction, land development, and other land		2,644		—		—		2,644
Commercial and industrial		29,351		—		—		29,351
Assets held for sale		15,362		—		—		15,362
Other real estate owned		9,896		—		—		9,896

The following methods and assumptions were used by the Company in estimating fair values of other assets and liabilities for disclosure purposes:

Cash and cash equivalents—For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Securities held-to-maturity—The Company obtains fair value measurements from an independent pricing service. Management reviews the procedures used by the third party, including significant inputs used in the fair value calculations. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things. When market quotes are not readily accessible or available, alternative approaches are utilized, such as matrix or model pricing.

Restricted stock—The fair value has been determined to approximate cost.

Loans held for sale—The fair value of loans held for sale are based on quoted market prices, where available, and determined by discounted estimated cash flows using interest rates approximating the Company’s current origination rates for similar loans adjusted to reflect the inherent credit risk.

37

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Loan and lease receivables, net—For certain variable rate loans that reprice frequently and with no significant changes in credit risk, fair value is estimated at carrying value. The fair value of other types of loans is estimated using an exit price notion. It is estimated by discounting future cash flows, using current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities.

Deposits—The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated by discounting future cash flows, using rates currently offered for deposits of similar remaining maturities.

Paycheck Protection Program Liquidity Facility—The carrying amount approximates fair value.

Federal Home Loan Bank advances—The fair value of FHLB advances is estimated by discounting the agreements based on maturities using rates currently offered for FHLB advances of similar remaining maturities adjusted for prepayment penalties that would be incurred if the borrowings were paid off on the measurement date.

Securities sold under agreements to repurchase—The carrying amount approximates fair value due to maturities of less than ninety days.

Subordinated notes—The fair value is based on available market prices.  

Junior subordinated debentures—The fair value of junior subordinated debentures, in the form of trust preferred securities, is determined using rates currently available to the Company for debt with similar terms and remaining maturities.

Accrued interest receivable and payable—The carrying amount approximates fair value.

Commitments to extend credit and letters of credit—The fair values of these off-balance sheet commitments to extend credit and commercial and letters of credit are not considered practicable to estimate because of the lack of quoted market prices and the inability to estimate fair value without incurring excessive costs.

The estimated fair values of financial instruments not carried at fair value and levels within the fair value hierarchy are as follows:

			June 30,				December 31,
	Fair Value		2020				2019
	Hierarchy Level		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and due from banks		1	$	51,818	$	51,818	$	48,228	$	48,228
Interest bearing deposits with other banks		2		88,113		88,113		32,509		32,509
Securities held-to-maturity		2		4,404		4,582		4,412		4,498
Other restricted stock		2		6,232		6,232		22,127		22,127
Loans held for sale		3		3,031		3,357		11,732		12,935
Loans and lease receivables, net (less impaired loans    at fair value		3		4,275,546		4,211,233		3,695,674		3,661,724
Accrued interest receivable		3		15,633		15,633		13,283		13,283
Financial liabilities
Non-interest-bearing deposits		2		1,768,675		1,768,675		1,279,641		1,279,641
Interest-bearing deposits		2		3,189,670		3,193,090		2,867,936		2,873,380
Accrued interest payable		2		1,928		1,928		3,677		3,677
Paycheck Protection Program Liquidity Facility		2		449,889		449,889		—		—
Federal Home Loan Bank advances		2		4,000		4,000		490,000		490,000
Securities sold under repurchase agreement		2		56,525		56,525		49,638		49,638
Subordinated notes		2		50,000		49,999		—		—
Junior subordinated debentures		3		36,206		40,310		37,334		42,881

38

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Note 16—Derivative Instruments and Hedge Activities

As required by ASC 815, the Company records all derivatives on the balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting.  The Company records derivative assets and derivative liabilities on the Consolidated Statements of Financial Condition within accrued interest receivable and other assets and accrued interest payable and other liabilities, respectively. The following tables present the fair value of the Company’s derivative financial instruments and classification on the Consolidated Statements of Financial Condition as of June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
			Fair Value						Fair Value
	Notional Amount		Other Assets		Other Liabilities		Notional Amount		Other Assets		Other Liabilities
Derivatives not designated as hedging instruments
Other interest rate derivatives		373,862		20,084		21,370		332,056		7,960		8,507
Other credit derivatives		8,870		—		23		9,302		—		12
Total derivatives	$	382,732	$	20,084	$	21,393	$	341,358	$	7,960	$	8,519

Interest rate swaps designated as cash flow hedges—There were no cash flow hedges outstanding at June 30, 2020 and December 31, 2019. In September 2019, the Company terminated $250.0 million interest rate swaps designated as cash flow hedges of interest payments associated with certain FHLB advances, which were executed to reduce interest rate risk in a declining rate environment. The transaction resulted in a net loss of $383,000, net of tax, which was the clean value at the termination date. As of June 30, 2020, the remaining balance in accumulated other comprehensive income was $329,000, which is being amortized over the original life of the cash flow hedge. At June 30, 2020, the Company estimates $85,000 of the unrealized loss to be reclassified as an increase to interest expense during the next twelve months.

The following table reflects the net gains (losses) recorded in accumulated other comprehensive income (loss) and the Consolidated Statements of Operations relating to the cash flow derivative instruments for the six months ended: 

	June 30, 2020							June 30, 2019
	Amount of Loss Recognized in OCI		Amount of Loss Reclassified from OCI to Income as an Increase to Interest Expense			Amount of Gain (Loss) Recognized in Other Non-Interest Income		Amount of Loss Recognized in OCI			Amount of Gain Reclassified from OCI to Income as a Decrease to Interest Expense		Amount of Gain (Loss) Recognized in Other Non-Interest Income
Interest rate swaps	$	—	$	(42	)	$	—	$	(5,234	)	$	1,280	$	—

39

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Derivatives not designated as hedges are not speculative and are used to manage the Company’s exposure to interest rate movements and other identified risks but do not meet the strict hedge accounting requirements and/or the Company has not elected to apply hedge accounting. Changes in the fair value of derivatives not designated in hedging relationships are recorded directly in earnings.

Other interest rate derivatives— The Company also enters into derivative transactions through products with its commercial customers and simultaneously enters into an offsetting interest rate derivative transaction with third-parties. These transactions allow the Company's borrowers to effectively convert a variable rate loan into a fixed rate loan. The total combined notional amount was $373.9 million as of June 30, 2020 with maturities ranging from January 2022 to March 2030. The fair values of the interest rate derivative agreements are reflected in other assets and other liabilities with corresponding gains or losses reflected in non-interest income. During the three months ended June 30, 2020 and 2019, there were $154,000 and $392,000 of transaction fees, respectively, included in other non-interest income, related to these derivative instruments. During the six months ended June 30, 2020 and 2019, there were $660,000 and $717,000 of transaction fees, respectively, included in other non-interest income, related to these derivative instruments.

These instruments are inherently subject to market risk and credit risk. Market risk is associated with changes in interest rates and credit risk relates to the Company’s risk of loss when the counterparty to a derivative contract fails to perform according to the terms of the agreement. Market and credit risks are managed and monitored as part of the Company’s overall asset-liability management process. The credit risk related to derivatives entered into with certain qualified borrowers is managed through the Company’s loan underwriting process. The Company’s loan underwriting process also approves the Bank’s swap counterparty used to mirror the borrowers’ swap. The Company has a bilateral agreement with each swap counterparty that provides that fluctuations in derivative values are to be fully collateralized with either cash or securities.

The following table reflects other interest rate derivatives as of June 30, 2020:

Notional amounts	$	373,862
Derivative assets fair value		20,084
Derivative liabilities fair value		21,370
Weighted average pay rates		4.49	%
Weighted average receive rates		2.68	%
Weighted average maturity	6.4 years

Other credit derivatives— The Company has entered into risk participation agreements with counterparty banks to assume a portion of the credit risk related to borrower transactions. The credit risk related to these other credit derivatives is managed through the Company’s loan underwriting process.  The total notional amount was $8.9 million and $9.3 million as of June 30, 2020 and December 31, 2019, respectively. The fair value of the other credit derivatives are reflected in other liabilities with corresponding gains or losses reflected in non-interest income.

The Company has agreements with its derivative counterparties that contain a cross-default provision under which if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. The Company also has agreements with certain derivative counterparties that contain a provision where if the Company fails to maintain its status as a well or adequately capitalized institution, then the counterparty could terminate the derivative positions and the Company would be required to settle its obligations resulted in a net asset position.

The following table reflects amounts included in non-interest income in the Consolidated Statements of Operations relating to derivative instruments that are not designated in a hedging relationship for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Other interest rate derivatives	$	(17	)	$	(221	)	$	(740	)	$	(372	)
Other credit derivatives		1			(3	)		(11	)		(4	)
Total	$	(16	)	$	(224	)	$	(751	)	$	(376	)

40

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The Company records interest rate derivatives subject to master netting agreements at their gross value and does not offset derivative asset and liabilities on the Consolidated Statements of Financial Condition. The table below summarizes the Company’s interest rate derivatives and offsetting positions as of: 

	June 30, 2020						December 31, 2019
	Derivative Assets Fair Value			Derivative Liabilities Fair Value			Derivative Assets Fair Value			Derivative Liabilities Fair Value
Gross amounts recognized	$	20,084		$	21,393		$	7,960		$	8,519
Less: Amounts offset in the Consolidated Statements of    Financial Condition		—			—			—			—
Net amount presented in the Consolidated Statements of    Financial Condition	$	20,084		$	21,393		$	7,960		$	8,519
Gross amounts not offset in the Consolidated Statements of    Financial Condition
Offsetting derivative positions		—			—			(1	)		(1	)
Collateral posted		(20,084	)		(21,261	)		(7,959	)		(8,518	)
Net credit exposure	$	—		$	132		$	—		$	—

As of June 30, 2020, the fair value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $21.4 million.  The Company has posted $21.3 collateral related to these agreements as of June 30, 2020.  If the Company had breached any of these provisions at June 30, 2020, it could have been required to settle its obligations under the agreements at their termination value of $21.4 million.  For purposes of this disclosure, the amount of posted collateral by the counterparties is limited to the amount offsetting the derivative asset and derivative liability.

Note 17 – Share-Based Compensation

In June 2017, the Company adopted the 2017 Omnibus Incentive Compensation Plan (the “Omnibus Plan”) in connection with our IPO. The Omnibus Plan provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units, dividend equivalent rights and other equity-based, equity-related or cash-based awards. A total of 1,550,000 shares of our common stock have been reserved for issuance under the Omnibus Plan. As of June 30, 2020, there were 995,845 shares available for future grants under the Omnibus Plan.

On July 6, 2017, in conjunction with the completion of the IPO, the Company granted 58,900 restricted shares of the Company’s common stock to certain key employees, pursuant to the Omnibus Plan. The restricted shares will cliff vest on the third anniversary of the grant date, subject to continued employment. A total of 11,898 restricted shares were also granted during the year ended December 31, 2017 in connection with the recruitment of employees. These restricted shares vest ratably over a four year period.     

During 2018, the Company granted 131,157 shares of restricted common stock, par value $0.01 per share. Of this total, 102,559 restricted shares will vest ratably over four years on each anniversary of the grant date, 15,165 restricted shares will vest ratably over three years on each anniversary of the grant date, and 2,268 restricted shares will vest on the first anniversary of the grant date, all subject to continued employment.

In addition, 11,165 performance-based restricted shares were included in the 2018 grant. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets over a three-year period ending December 31, 2020, measured in 2018 against the Company’s internal targets and for 2019 and 2020 against a peer group consisting of publicly-traded bank holding companies ranging in asset size from 50% to 200% of the Company’s total assets. Under the award, 25% of the shares will be earned at threshold performance, 100% will be earned at target and 50th percentile performance, and up to 125% of the shares with above target and 75th percentile performance. Any earned performance shares will vest on the third anniversary of the grant date.  

41

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

During 2019, the Company granted 189,647 shares of restricted common stock, par value $0.01 per share. Of this total, 111,823 restricted shares will vest ratably over four years on each anniversary of the grant date, 72,570 restricted shares will vest ratably over three years on each anniversary of the grant date, 683 restricted shares will vest on the first anniversary of the grant date, and 4,571 share have vested, all subject to continued employment.

In addition, 20,975 performance-based restricted shares were included in the 2019 grants. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets, weighted equally, over a three-year period ending December 31, 2021, measured against a peer group consisting of publicly-traded bank holding companies. Results will be measured cumulatively at the end of the three years. Any earned shares will vest on the third anniversary of the grant date.  

During February 2020, the Company granted 174,179 shares of restricted common stock, par value $0.01 per share. Of this total, 103,465 restricted shares will vest ratably over four years on each anniversary of the grant date and 38,786 restricted shares will vest ratably over three years on each anniversary of the grant date, all subject to continued employment.

In addition, 31,928 performance-based restricted shares were included in the February 2020 grant. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets, weighted equally, over a three-year period ending December 31, 2022, measured against a peer group consisting of publicly-traded bank holding companies. Results will be measured cumulatively at the end of the three years. Any earned shares will vest on the third anniversary of the grant date

The following table discloses the changes in restricted shares for the six months ended June 30, 2020:

	Omnibus Plan
	Number of Shares			Weighted Average Grant Date Fair Value
Beginning balance, January 1, 2020		328,653		$	19.94
Granted		174,179			17.52
Vested		(53,832	)		20.76
Forfeited		(143	)		17.50
Ending balance outstanding at June 30, 2020		448,857		$	18.90

A total of 53,832 restricted shares vested during the six months ended June 30, 2020. A total of 48,491 restricted shares vested during the year ended December 31, 2019. The fair value of restricted shares that vested during the six months ended June 30, 2020 was $593,000.  The fair value of restricted shares that vested during the year ended December 31, 2019 was $900,000.  

The Company recognizes share-based compensation based on the estimated fair value of the restricted stock at the grant date. Share-based compensation expense is included in non-interest expense in the Consolidated Statements of Operations.  

The following table summarizes restricted stock compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation - restricted stock	$	1,336	$	807
Income tax benefit		372		225
Unrecognized compensation expense		6,329		4,829
Weighted-average amortization period remaining	2.7 years		3.0 years

The fair value of the unvested restricted stock awards at June 30, 2020 was $5.9 million.

42

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

In October 2014, the Company adopted the Byline Bancorp, Inc. Equity Incentive Plan (“BYB Plan”). The maximum number of shares available for grants under this plan was 2,476,122 shares. During 2016 and 2015, the Company granted options to purchase 212,400 and 1,634,568 shares, respectively, under this plan. The Company did not grant any stock options during the year ended December 31, 2017. In June 2017, the Board of Directors terminated the BYB Plan and no future grants can be made under this plan. Options to purchase a total of 1,390,579 shares remain outstanding under the BYB Plan at June 30, 2020.

The types of stock options granted under the BYB Plan were Time Options and Performance Options. The exercise price of each option is equal to the fair value of the stock as of the date of grant. These option awards have vesting periods ranging from one to five years and have 10-year contractual terms. Stock volatility was computed as the average of the volatilities of peer group companies.  

The vesting of Time Options is conditional based on completion of service. Performance Options have conditional vesting based on either performance targets or market performance. Certain Performance Options’ performance goals will be satisfied (in whole or in part) if the Bank achieves various performance targets such as profitability, asset quality, and conditional based on market performance, as outlined in the BYB Plan. Each of the performance goals identified are measured for achievement (or failure to achieve) independent of each other. In October 2017, the Board of Directors determined that the Performance Option goals were satisfied, in whole, and these Performance Options converted to Time Options. As a result of the previous completion of service, 414,894 performance options vested on October 3, 2017.

The fair values of the stock options were determined using the Black-Scholes-Merton model for Time Options and a Monte Carlo simulation model for Performance Options.

The following table discloses the activity in shares subject to options and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	BYB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		1,410,075		$	11.38	$	11,542		5.4
Exercised		(19,496	)		13.00	$	139
Expired		—
Ending balance outstanding at    June 30, 2020		1,390,579		$	11.36	$	2,574		4.9
Exercisable at June 30, 2020		1,390,579		$	11.36	$	2,574		4.9

A total of 19,496 stock options were exercised during the six months ended June 30, 2020. During the six months ended June 30, 2020, proceeds from the exercise of stock options were $253,000 and related tax benefit was $39,000. A total of 127,997 stock options were exercised during the year ended December 31, 2019. During the year ended December 31, 2019, proceeds from the exercise of stock options were $1.9 million and related tax benefit was $145,000. A total of 20,000 stock options vested during the six months ended June 30, 2020.

43

BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The Company recognizes share-based compensation based on the estimated fair value of the option at the grant date. Forfeitures are estimated based upon industry standards. Share-based compensation expense is included in non-interest expense in the Consolidated Statements of Operations. The following table summarizes stock option compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation (benefit) - stock options	$	7	$	(133	)
Income tax benefit (expense)		2		(37	)
Unrecognized compensation expense - stock options		—		35
Weighted-average amortization period remaining	0.0 years		0.7 years

Pursuant to the terms of the Merger Agreement, upon the Effective Time, each outstanding First Evanston Option held by a participant in the First Evanston Bancorp, Inc. Stock Incentive Plan (the “FEB Plan”) ceased to represent a right to acquire shares of First Evanston common stock and was assumed and converted automatically into a fully vested and exercisable adjusted option to purchase shares of Byline common stock (each an “Adjusted Option”). In accordance with the Merger Agreement, the number of shares of Byline common stock to which each such Adjusted Option relates is equal to the product (rounded down to the nearest whole share of Byline common stock) of: (a) the number of shares of First Evanston common stock subject to the First Evanston Option immediately prior to May 31, 2018, multiplied by (ii) 4.725. Each Adjusted Option has an exercise price per share of Byline common stock equal to the quotient (rounded up to the nearest whole cent) of (x) the per share exercise price of such First Evanston Option immediately prior to May 31, 2018, divided by (y) 4.725. The description of the conversion process is based on, and qualified by, the Merger Agreement.

The following table discloses the activity in shares subject to options under the FEB Plan and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	FEB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		511,169		$	11.35	$	4,204		4.4
Exercised		(41,102	)	$	11.65	$	313
Expired		—
Ending balance outstanding at    June 30, 2020		470,067		$	11.32	$	837		3.8
Exercisable at June 30, 2020		470,067		$	11.32	$	837		3.8

A total of 41,102 stock options were exercised during the six months ended June 30, 2020. During the six months ended June 30, 2020, proceeds from the exercise of stock options were $479,000 and related tax benefit was $87,000. A total of 113,214 stock options were exercised during the year ended December 31, 2019. During the year ended December 31, 2019, proceeds from the exercise of stock options were $1.3 million and related tax benefit was $253,000.

On April 30, 2019, the Company completed the acquisition of Oak Park River Forest. On May 15, 2019, the Company made a cash payment of $4.2 million for 35,870 outstanding Oak Park River Forest options to participants who elected to receive a cash payment in lieu of converting the options to the Omnibus plan.

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

Note 18—Earnings per Share

A reconciliation of the numerators and denominators for earnings per common share computations is presented below. Incremental shares represent outstanding stock options for which the exercise price is less than the average market price of the Company’s common stock during the periods presented. Options to purchase 1,860,646 and 1,995,745 shares of common stock were outstanding as of June 30, 2020 and 2019, respectively. There were 448,857 and 288,560 restricted stock awards outstanding at June 30, 2020 and 2019, respectively.  

The following represent the calculation of basic and diluted earnings per share for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	9,139	$	13,211	$	12,105	$	25,808
Less: Dividends on preferred shares		195		195		391		391
Net income available to common stockholders	$	8,944	$	13,016	$	11,714	$	25,417
Weighted-average common stock outstanding:
Weighted-average common stock outstanding    (basic)		37,919,480		37,263,352		37,931,406		36,719,436
Incremental shares		107,809		684,654		418,658		725,971
Weighted-average common stock outstanding (dilutive)		38,027,289		37,948,006		38,350,064		37,445,407
Basic earnings per common share	$	0.24	$	0.35	$	0.31	$	0.69
Diluted earnings per common share	$	0.24	$	0.34	$	0.31	$	0.68

Note 19—Stockholders’ Equity

A summary of the Company’s preferred and common stock at June 30, 2020 and December 31, 2019 is as follows:

	June 30,		December 31,
	2020		2019
Series B 7.5% fixed to floating non-cumulative    perpetual preferred stock
Par value	$	0.01	$	0.01
Shares authorized		50,000		50,000
Shares issued		10,438		10,438
Shares outstanding		10,438		10,438
Common stock, voting
Par value	$	0.01	$	0.01
Shares authorized		150,000,000		150,000,000
Shares issued		38,506,703		38,256,500
Shares outstanding		38,388,217		38,256,500
Treasury shares		118,486		—

During 2016, the Company authorized and issued Series B 7.50% fixed-to-floating non-voting, noncumulative perpetual preferred stock with a liquidation preference of $1,000 per share, plus the amount of unpaid dividends, if any, which is redeemable at the Company’s option on or after March 31, 2022. Holders of Series B Preferred Stock do not have any rights to convert such stock into shares of any other class of capital stock of the Company. Holders of Series B Preferred Stock are entitled to receive a fixed dividend of 7.50% per annum from the original issue date through December 30, 2021, after which the dividend is paid at a floating rate of three-month LIBOR plus 5.41% per annum.

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BYLINE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Table dollars in thousands, except share and per share data) (Unaudited)

The Company Series B Preferred Stock is included in Tier 1 capital for regulatory capital purposes and is redeemable at the option of the Company at a redemption price of $1,000 per share, plus any declared and unpaid dividends (i) in whole or part on any dividend payment date on or after March 31, 2022, and (ii) in whole but not in part prior to March 31, 2022, within 90 days following a regulatory event, as defined in the Certificate of Designations of the Company Series B Preferred Stock. The Company must receive approval of the Federal Reserve Board prior to any redemption of the Company Series B Preferred Stock.

For the three months ended June 30, 2020 and 2019, the Company declared and paid dividends on the Series B preferred stock of $196,000. For the six months ended June 30, 2020 and 2019, the Company declared and paid dividends on the Series B preferred stock of $391,000.

On November 1, 2019, the Company announced that its Board of Directors approved a stock repurchase program authorizing the purchase of up to an aggregate of 1,250,000 shares of the Company’s outstanding common stock. The shares may, at the discretion of management, be repurchased from time to time in open market purchases as market conditions warrant or in privately negotiated transactions. The Company is not obligated to purchase any shares under the program, and the program may be discontinued at any time. The actual timing, number and share price of shares purchased under the repurchase program will be determined by the Company at its discretion and will depend on a number of factors, including the market price of the Company’s stock, general market and economic conditions and applicable legal requirements. The shares authorized to be repurchased represent approximately 3.3% of the Company’s outstanding common stock at June 30, 2020.  The program will be in effect until December 31, 2020 unless terminated earlier.  The program was paused in March 2020.

The Company repurchased 118,486 shares at a cost of $1.7 million under this program in the first quarter of 2020.  Repurchased shares are recorded as treasury shares on the trade date using the treasury stock method, and the cash paid is recorded as treasury stock.  Treasury stock acquired is recorded at cost and is carried as a reduction of stockholders’ equity in the Consolidated Statement of Financial Condition.

On June 11, 2020, the Company’s Board of Directors declared a cash dividend of $0.03 per share payable on July 7, 2020 to stockholders of record of the Company’s common stock as of June 23, 2020.  No cash dividends were declared to common stockholders during the second quarter of 2019.

Note 20—Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive income (loss) for the six months ended June 30, 2020 and 2019:

(dollars in thousands)	Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Available-for -Sale Securities			Total Accumulated Other Comprehensive Income (Loss)
Balance, January 1, 2019	$	4,763		$	(14,261	)	$	(9,498	)
Adoption of ASU 2016-01		—			(1,440	)		(1,440	)
Other comprehensive income (loss), net of tax		(4,699	)		14,289			9,590
Balance, June 30, 2019	$	64		$	(1,412	)	$	(1,348	)
Balance, January 1, 2020	$	(366	)	$	(334	)	$	(700	)
Other comprehensive income, net of tax		31			20,702			20,733
Balance, June 30, 2020	$	(335	)	$	20,368		$	20,033

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following is a discussion and analysis of Byline Bancorp, Inc.’s financial condition and results of operations and should be read in conjunction with our Unaudited Interim Condensed Consolidated Financial Statements and notes thereto included elsewhere in this report. The words “the Company,” “we,” “Byline,” “our” and “us” refer to Byline Bancorp, Inc. and its consolidated subsidiaries, unless we indicate otherwise.

Overview

Our business

We are a bank holding company headquartered in Chicago, Illinois and conduct all our business activities through our subsidiary, Byline Bank, a full service commercial bank, and Byline Bank’s subsidiaries. Through Byline Bank, we offer a broad range of banking products and services to small and medium sized businesses, commercial real estate and financial sponsors and to consumers who generally live or work near our branches. In addition to our traditional commercial banking business, we provide small ticket equipment leasing solutions through Byline Financial Group, a wholly-owned subsidiary of Byline Bank, headquartered in Bannockburn, Illinois with sales offices in Illinois and New York, and sales representatives in Illinois, Michigan, New Jersey, and New York. We also participate in U.S. government guaranteed lending programs and originate U.S. government guaranteed loans. Byline Bank was the second most active originator of SBA loans in the country and the most active SBA lender in Illinois and Wisconsin, as reported by the SBA for the quarter ended June 30, 2020. Additionally, we provide trust and wealth management services to our customers. As of June 30, 2020, we had consolidated total assets of $6.4 billion, total gross loans and leases outstanding of $4.4 billion, total deposits of $5.0 billion, and total stockholders’ equity of $780.9 million.

Oak Park River Forest Acquisition

On April 30, 2019, we completed the acquisition of Oak Park River Forest Bankshares, Inc. (“Oak Park River Forest”), the parent company of Community Bank of Oak Park River Forest, under the terms of a definitive merger agreement. As a result of the merger, Oak Park River Forest’s wholly owned bank subsidiary, Community Bank of Oak Park River Forest, was merged with and into Byline Bank. As of the acquisition date, Oak Park River Forest had $329.8 million in assets, including $30.5 million of securities, $274.7 million of loans, and $290.2 million of deposits.

At the effective time of the merger, each share of Oak Park River Forest’s common stock was converted into the right to receive: (1) 7.9321 shares of Byline’s common stock, and (2) an amount in cash equal to $6.2 million divided by the number of outstanding shares of Oak Park River Forest common stock as of the closing date, with cash paid in lieu of fractional shares. Options to acquire Oak Park River Forest common stock that were outstanding at the Effective Time were paid in cash based on elections made by option holders, resulting in an aggregate stock options transaction value of $4.2 million. In the aggregate, Byline paid $6.2 million in cash and issued 1,464,558 shares of its common stock in respect of the outstanding shares of Oak Park River Forest common stock. The value of the total merger consideration at closing was approximately $35.5 million before issuance costs of $585,000.

Strategic Branch Consolidation

We continually perform strategic reviews of our existing banking footprint. With technology improvements and changes to customers’ banking preferences, we examine branch growth potential, customer usage, branch profitability, services provided, markets served and proximity to other locations with a goal of minimizing customer impact and deposit runoff. Since our recapitalization, which occurred in June 2013, our branch network has been reduced from 88 to 57, including eight branches added through the acquisition of First Evanston Bancorp, Inc. (“First Evanston”) and its subsidiary bank, First Bank & Trust in 2018 and three branches added through the Oak Park River Forest acquisition in 2019. During 2018 and 2019, we consolidated seven branches and two other facilities within our current network that had a minimal impact on our customer service levels, convenience, and business development capabilities. Additionally, during the first quarter of 2020, we consolidated another three branches and repurposed one with minimal customer impact, service levels, and overall convenience. These activities resulted in a one-time charge of approximately $437,000. We expect to generate $1.3 million in annual cost savings as a result of this consolidation, a portion of which we will seek to reinvest back into the business.

We plan to continue to leverage our seasoned management team, the attractive market opportunity in the Chicago metropolitan area, our diversified lending approach and our track record of successfully integrating acquisitions to drive future growth. We believe that having a deep understanding of customers, longstanding ties to the communities in which we

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operate, a strong market position and exceptional employees allows us to provide the attention, responsiveness and customized service our clients seek while offering a diverse range of products to serve a variety of needs.

Response to COVID-19 Pandemic

The coronavirus disease 2019 (“COVID-19”) pandemic has caused health and economic concerns in the United States and globally.  In March 2020, U.S. President Trump declared a public health and national emergency due to COVID-19, which resulted in mandatory stay-at-home orders in most U.S. states, including Illinois and Wisconsin.  The impacts associated with the COVID-19 pandemic continue to have destabilizing and negative effects on global, national, and local economic and business activity.  In response to this economic disruption, federal and state governments have recently enacted laws intending to stimulate the economy during this time.  President Trump has signed into law three economic stimulus packages, including the $2.0 trillion Coronavirus Relief and Economic Security Act (the “CARES Act”) on March 27, 2020, which, among other things, initiated the Paycheck Protection Program (the “PPP”) under the Small Business Administration (“SBA”). The PPP loans have a two-year term and bear an interest rate of 1.0%.  On April 16, 2020, the original $349.0 billion of funding for loans to small businesses under the PPP was depleted, and on April 27, 2020 the Federal government funded an additional $310.0 billion to the PPP.  As a preferred SBA lender, we assisted our customers in participating in both the initial and second round of funding appropriations approved by Congress for the PPP, which was designed to help small businesses maintain their workforce during the COVID-19 pandemic.  We were able to provide our customers with access to the PPP, and through June 30, 2020, we registered over 3,600 loans totaling $626.8 million.  The Company received fee income from the Federal government of approximately $22.6 million.  This fee income is deferred over the life of the PPP loan and before costs incurred by the Company, including technology costs for loan application and processing and loan servicing costs.

The CARES Act also temporarily eases the guidance applicable to loan modifications and the effect on assessing TDRs related to the COVID-19 pandemic.  Modifications within the scope of this relief include arrangements that defer or delay payments of principal and/or interest and extend until the earlier of the following: 1) 60 days after the date on which the national emergency related to the COVID-19 outbreak is terminated; or 2) December 31, 2020.  Through June 30, 2020, we approved approximately $619.2 million in COVID-19 related payment deferrals, or 16.4% of loans and leases excluding PPP loans at June 30, 2020, primarily relating to our commercial banking customers. We expect payment deferral requests from borrowers to continue throughout the COVID-19 pandemic, and possibly beyond. We have also assisted our customers’ cash flow needs by waiving or refunding certain fees, including early withdrawal fees on time deposits.

As part of the CARES Act, the SBA is required to pay six months of principal, interest and any associated fees that borrowers owe for all current 7(a), 504, and Microloans in regular servicing status as well as new 7(a), 504, and Microloans disbursed prior to September 27, 2020.  The payments to be made by the SBA are not deferments. These payments will be forgiven, and borrowers will not be expected to make these payments at a later date.  

In addition, we initiated a series of measures to ensure the safety of employees, customers, and communities, to support customer needs, and to limit operational disruptions.  We maximized social distancing protocols by augmenting business hours and the locations of employee teams.  All of our non-retail employees have the ability to work from home and have done so during this time since mid-March 2020.  We have temporarily closed 18 branches, converted 18 branches to drive-thru only locations, opened four hub branch locations allowing regular lobby traffic, and kept 17 full service branches with lobby hours by appointment.  We continue to proactively engage with our customers to assist them through these uncertain times.

Critical Accounting Policies and Significant Estimates

Our accounting and reporting policies conform to accounting principles generally accepted in the United States (“GAAP”) and to general practices within the Banking industry. To prepare financial statements and interim financial statements in conformity with GAAP, management makes estimates, assumptions and judgments based on available information. These estimates, assumptions and judgments affect the amounts reported in the financial statements and accompanying notes; and are based on information available as of the date of the financial statements. As this information changes, actual results could differ from the estimates, assumptions and judgments reflected in the financial statements. In particular, management has identified several accounting policies that, due to the estimates, assumptions and judgements inherent in those policies, are critical in understanding our financial statements.

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These critical accounting policies and estimates include (i) acquisition‑related fair value computations, (ii) the carrying value of loans and leases, (iii) determining the provision and allowance for loan and lease losses, (iv) the valuation of intangible assets such as goodwill, servicing assets and core deposit intangibles, (v) the determination of fair value for financial instruments, including other-than-temporary-impairment losses, (vi) the valuation of real estate held for sale, and (vii) the valuation of or recognition of deferred tax assets and liabilities.  An increase was made to the provision for loan and lease losses as a result of increases in qualitative factors relative to the COVID-19 pandemic.

The Jumpstart Our Business Startups Act of 2012, or the JOBS Act, permits us an extended transition period for complying with new or revised accounting standards affecting public companies. We have elected to take advantage of this extended transition period, which means that the financial statements included in this report, as well as any financial statements that we file in the future, will not be subject to all new or revised accounting standards generally applicable to public companies for the transition period for so long as we remain an emerging growth company or until we affirmatively and irrevocably opt out of the extended transition period provided for under the JOBS Act.

The following is a discussion of the critical accounting policies and significant estimates that require us to make complex and subjective judgments. Additional information about these policies can be found in Note 1 of our audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2019, that we filed with the Securities and Exchange Commission (“SEC”) on March 12, 2020.

Business Combinations

We account for business combinations under the acquisition method of accounting in accordance with ASC 805. We recognize the fair value of the assets acquired and liabilities assumed as of the date of acquisition, with any excess of the fair value of consideration provided over the fair value of the identifiable net tangible and intangible assets acquired recorded as goodwill. Transaction costs are expensed as incurred. Application of the acquisition method requires extensive use of accounting estimates and judgements to determine the fair values of the identifiable assets acquired and liabilities assumed at the acquisition date.

In accordance with ASC 805, the acquiring company retains the right to make appropriate adjustments to the assets and liabilities of the acquired entity for information obtained during the measurement period about facts and circumstances that existed as of the acquisition date. The measurement period ends as of the earlier of (i) one year from the acquisition date or (ii) the date when the acquirer receives the information necessary to complete the business combination accounting.

Carrying Value of Loans and Leases

Our accounting methods for loans and leases differ depending on whether they are new or acquired loans and leases; and for acquired loans, whether the loans were acquired at a discount as a result of credit deterioration since the date of origination.

Originated Loans and Leases

We account for originated loans and leases and purchased loans and leases not acquired through business combinations as originated loans and leases. The new loans that management has the intent and ability to hold for the foreseeable future are reported at their outstanding principal balances net of any allowance for loan and lease losses, unamortized deferred fees and costs and unamortized premiums or discounts. The net amount of non-refundable loan origination fees and certain direct costs associated with the lending process are deferred and amortized to interest income over the contractual lives of the new loans using methods which approximate the level yield method. Discounts and premiums are amortized or accreted to interest income over the estimated term of the new loans using methods that approximate the effective yield method. Interest income on new loans is accrued based on the unpaid principal balance outstanding. Additionally, once an acquired non-impaired loan reaches its contractual maturity date, it is re-underwritten, and if renewed, it is classified as an originated loan.

Acquired Loans and Leases

Acquired loans and leases are recorded at fair value as of the acquisition date. Credit discounts are included in the determination of fair value; therefore, an allowance for loan and lease losses is not recorded at the acquisition date. Acquired loans are evaluated upon acquisition and classified as either acquired impaired or acquired non‑impaired. Acquired impaired loans reflect evidence of credit deterioration since origination for which it is probable that all contractually required principal and interest will not be collected by us. Subsequent to acquisition, we periodically update for changes in cash flow

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expectations, which are reflected in interest income over the life of the loan as accretable yield. Any subsequent decreases in expected cash flow attributable to credit deterioration are recognized by recording a provision for loan losses.

For acquired non‑impaired loans and leases, the excess or deficit of the loan and lease principal balance over the fair value is recorded as a discount or premium at acquisition and is accreted through interest income over the life of the loan or lease. Subsequent to acquisition, these loans and leases are evaluated for credit deterioration and a provision for loan and lease losses would be recorded when probable loss is incurred. These loans and leases are evaluated for impairment consistent with originated loans and leases.

Provision and Allowance for Loan and Lease Losses

The provision for loan and lease losses reflects the amount required to maintain the allowance for loan and lease losses (“ALLL”) at an appropriate level based upon management’s evaluation of the adequacy of general and specific loss reserves.

The ALLL is maintained at a level that management believes is appropriate to provide for known and inherent incurred loan and lease losses as of the dates of the Consolidated Statements of Financial Condition, and we have established methodologies for the determination of its adequacy. The methodologies are set forth in a formal policy and take into consideration the need for an overall general valuation allowance as well as specific allowances that are determined on an individual loan basis. We increase our ALLL by charging provisions for probable losses against our income and decreased by charge‑offs, net of recoveries.

The evaluation is inherently subjective, as it requires estimates that are susceptible to significant revision as more information becomes available. While management uses available information to recognize losses on loans and leases, changes in economic or other conditions may necessitate revision of the estimate in future periods.

The ALLL is maintained at a level management believes is sufficient to provide for probable losses based upon an ongoing review of the originated and acquired non‑impaired loan and lease portfolios by portfolio category, which include consideration of actual loss experience, peer loss experience, changes in the size and risk profile of the portfolio, identification of individual problem loan and lease situations which may affect a borrower’s ability to repay, and evaluation of prevailing economic conditions.

For acquired impaired loans, a specific valuation allowance is established when it is probable that we will be unable to collect all of the cash flows expected at acquisition, plus the additional cash flows expected to be collected arising from changes in estimates after acquisition.

The originated and non‑impaired acquired loans have limited delinquency and credit loss history and have not yet exhibited an observable loss trend. The credit quality of loans in these loan portfolios are impacted by delinquency status and debt service coverage generated by the borrowers’ businesses and fluctuations in the value of real estate collateral.

Acquired non‑impaired loans and originated loans are considered impaired when, based on current information and events, it is probable that we will be unable to collect the scheduled payments of principal or interest when due, according to the contractual terms of the loan agreements. All acquired non‑impaired loans and originated loans of $100,000 or greater with an internal risk rating of substandard or below and on non-accrual, as well as loans classified as troubled debt restructurings (“TDR”), are reviewed individually for impairment on a quarterly basis.

In March 2020, CARES Act was signed into law.  Section 4013 of the CARES Act temporarily eases the guidance applicable to loan modifications and the effect on assessing TDRs related to the COVID-19 pandemic. Modifications within the scope of this relief include arrangements that defer or delay payments of principal or interest and extend until the earlier of the following: 1) sixty days after the date on which the national emergency related to the COVID-19 outbreak is terminated; or 2) December 31, 2020.

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Goodwill and Other Intangible Assets

Goodwill.  Goodwill represents the excess of the purchase consideration over the fair value of net assets acquired in connection with our recapitalization and acquisitions using the acquisition method of accounting. Goodwill is not amortized but is periodically evaluated for impairment under the provisions of ASC Topic 350, Intangibles—Goodwill and Other (“ASC 350”).

Impairment testing is performed using either a qualitative or quantitative approach at the reporting unit level. Our goodwill is allocated to Byline Bank, which is our only applicable reporting unit for the purposes of testing goodwill for impairment. We have selected November 30 as the date to perform the annual goodwill impairment test. Additionally, we perform a goodwill impairment evaluation on an interim basis when events or circumstances indicate impairment potentially exists. Given recent events involving the declaration of federal and state emergencies as a result of the COVID-19 pandemic, we evaluated goodwill and determined goodwill was not impaired as of June 30, 2020.

The ongoing impact of the COVID-19 pandemic may cause an additional and sustained decline in our common stock price, which may require added qualitative and quantitative analysis and may result in an impairment charge being recorded in a future period. If we should conclude that all or a portion of our goodwill is impaired, we would record a non-cash charge to earnings for the amount of such impairment. Such a charge would have no impact on tangible capital or regulatory capital. At June 30, 2020, we had goodwill of $148.4 million, or approximately 19.0% of equity.

Servicing Assets.  Servicing assets are recognized separately when they are acquired through sales of loans or when the rights to service loans are purchased. When loans are sold with servicing rights retained, servicing assets are recorded at fair value in accordance with ASC Topic 860, Transfers and Servicing (“ASC 860”). Fair value is based on market prices for comparable servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. The fair value of servicing rights is highly sensitive to changes in underlying assumptions. Changes in the prepayment speed and discount rate assumptions have the most significant impact on the fair value of servicing rights. See Note 7 and Note 15 of our Unaudited Interim Condensed Consolidated Financial Statements as of June 30, 2020, included in this report, for additional information.

Core Deposit Intangible Assets.  Other intangible assets primarily consist of core deposit intangible assets. In valuing core deposit intangibles, we consider variables such as deposit servicing costs, attrition rates and market discount rates. Core deposit intangibles are reviewed annually, or more frequently when events or changes in circumstances occur that indicate that their carrying values may not be recoverable. If the recoverable amount of the core deposit intangibles is determined to be less than its carrying value, we would then measure the amount of impairment based on an estimate of the fair value at that time. We also evaluate whether the events or circumstances have occurred that warrant a revision to the remaining useful lives of intangible assets. In cases where a revision is deemed appropriate, the remaining carrying amounts of the intangible assets are amortized over the revised remaining useful life. Core deposit intangibles are currently amortized over an approximate ten year period.

Customer Relationship Intangible.  Other intangible assets also include our customer relationship intangible asset. In valuing our customer relationship intangibles, we consider variables such as assets under management, attrition rates, and fee structure. Customer relationship intangibles are currently amortized over a 12 year period.

Fair value of Financial Instruments

ASC Topic 820, Fair Value Measurement defines fair value as the price that would be received to sell a financial asset or paid to transfer a financial liability in an orderly transaction between market participants at the measurement date.

The degree of management judgment involved in determining the fair value of assets and liabilities is dependent upon the availability of quoted market prices or observable market parameters. For financial instruments that trade actively and have quoted market prices or observable market parameters, there is minimal subjectivity involved in measuring fair value. When observable market prices and parameters are not available, management judgment is necessary to estimate fair value. In addition, changes in market conditions may reduce the availability of quoted prices or observable data. For example, reduced liquidity in the capital markets or changes in secondary market activities could result in observable market inputs becoming unavailable. Therefore, when market data is not available, we would use valuation techniques requiring more management judgment to estimate the appropriate fair value measurement.

See Note 15 of our Unaudited Interim Condensed Consolidated Financial Statements as of June 30, 2020, included in this report, for a complete discussion of our use of fair value of financial assets and liabilities and their related measurement practices.

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Valuation of Real Estate Held for Sale

Other Real Estate Owned (“OREO”).  OREO includes real estate assets that have been acquired through, or in lieu of, loan foreclosure or repossession and are to be sold. OREO assets are initially recorded at fair value, less estimated costs to sell, of the collateral of the loan, on the date of foreclosure or repossession, establishing a new cost basis. Adjustments that reduce loan balances to fair value at the time of foreclosure or repossession are recognized as charge‑offs in the allowance for loan and lease losses. Positive adjustments, if any, at the time of foreclosure or repossession are recognized in non‑interest expense. After foreclosure or repossession, management periodically obtains new valuations and real estate or other assets may be adjusted to a lower carrying amount, determined by the fair value of the asset, less estimated costs to sell. Any subsequent write‑downs are recorded as a decrease in the asset and charged against other real estate owned valuation adjustments, included within non-interest expense. Operating expenses of such properties, net of related income, are included in non‑interest expense, and gains and losses on their disposition are included in non‑interest expense. Gains on internally financed other real estate owned sales are accounted for in accordance with the methods stated in ASC Topic 360‑20, Real Estate Sales (“ASC 360‑20”). Any losses on the sales of other real estate owned properties are recognized immediately.

Assets Held for Sale.  Assets held for sale consist of former branch locations and real estate purchased for expansion. Assets are considered held for sale when management has approved a plan to sell the assets following a branch closure or other events. The properties are being actively marketed and transferred to assets held for sale based at the lower of its carrying value or its fair value, less estimated costs to sell. Adjustments to reduce the asset balances to fair value are recorded at the time of transfer and are recognized through a charge against income. An assessment of the recoverability of other long-lived assets associated with all branches is periodically performed, resulting in impairment losses which are reflected in other non-interest expense.

Income Taxes

We use the asset and liability method to account for income taxes. The objective of the asset and liability method is to establish deferred tax assets and liabilities for the temporary differences between the financial reporting basis and the income tax basis of our assets and liabilities at enacted tax rates expected to be in effect when such amounts are realized or settled. Our annual tax rate is based on our income, statutory tax rates and available tax planning opportunities. Tax laws are complex and subject to different interpretations by the taxpayer and respective governmental taxing authorities. Significant judgment is required in determining tax expense and in evaluating tax positions, including evaluating uncertainties.

Deferred income tax assets represent amounts available to reduce income taxes payable on taxable income in future years. Such assets arise because of temporary differences between the financial reporting and tax bases of assets and liabilities, as well as from net operating loss carryforwards. We review our deferred tax positions quarterly for changes which may impact realizability. We evaluate the recoverability of these future tax deductions by assessing the adequacy of future expected taxable income from all sources, including reversal of taxable temporary differences, forecasted operating earnings and available tax planning strategies. We use short and long‑range business forecasts to provide additional information for its evaluation of the recoverability of deferred tax assets. It is our policy to recognize interest and penalties associated with uncertain tax positions, if applicable, as components of non‑interest expense.

A deferred tax valuation allowance is established to reduce the net carrying amount of deferred tax assets if it is determined to be more likely than not that all or some of the deferred tax asset will not be realized. See Note 11 of the notes to our Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2019, for further information on income taxes.

Recently Issued Accounting Pronouncements

Refer to Note 2 of our Unaudited Interim Condensed Consolidated Financial Statements as of June 30, 2020, included in this report, for a description of recent accounting pronouncements, including the effective dates of adoption and anticipated effects on our results of operations and financial condition.

Primary Factors Used to Evaluate Our Business

As a financial institution, we manage and evaluate various aspects of both our results of operations and our financial condition. We evaluate the levels and trends of the line items included in our consolidated balance sheet and income statement as well as various financial ratios that are commonly used in our industry. We analyze these ratios and financial trends against our own historical performance, our budgeted performance and the final condition and performance of

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comparable financial institutions in our region. Comparison of our financial performance against other financial institutions is impacted by the accounting for acquired non‑impaired and acquired impaired loans.

These factors and metrics described in this report may not provide an appropriate basis to compare our results or financial condition to the results or financial condition of other financial services companies, given our limited operating history and strategic acquisitions since our recapitalization.

Results of Operations

Overview

Our results of operations depend substantially on net interest income, which is the difference between interest income on interest-earning assets, consisting primarily of interest income on loans and lease receivables, including accretion income on loans, investment securities and other short-term investments, and interest expense on interest-bearing liabilities, consisting primarily of deposits and borrowings. Our results of operations are also dependent upon our generation of non-interest income, consisting primarily of income from fees and service charges on deposits, loan servicing revenue, wealth management and trust income, ATM and interchange fees, and net gains on sales of investment securities and loans. Other factors contributing to our results of operations include our provisions for loan and lease losses, provision for income taxes, and non-interest expenses, such as salaries and employee benefits, occupancy and equipment expenses, and other miscellaneous operating costs.

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Selected Financial Data

	As of or For the Three Months Ended June 30,						As of or For the Six Months Ended June 30,
(dollars in thousands, except share and per share data)	2020			2019			2020			2019
Summary of Operations
Net interest income	$	52,609		$	54,448		$	105,434		$	104,533
Provision for loan and lease losses		15,518			6,391			29,973			10,390
Non-interest income		12,788			14,183			21,961			26,171
Non-interest expense		37,012			43,954			80,539			84,633
Income before provision for income taxes		12,867			18,286			16,883			35,681
Provision for income taxes		3,728			5,075			4,778			9,873
Net income		9,139			13,211			12,105			25,808
Dividends on preferred shares		195			195			391			391
Income available to common stockholders	$	8,944		$	13,016		$	11,714		$	25,417
Common Share Data
Basic earnings per common share	$	0.24		$	0.35		$	0.31		$	0.69
Diluted earnings per common share	$	0.24		$	0.34		$	0.31		$	0.68
Adjusted diluted earnings per share(1)(3)	$	0.24		$	0.41		$	0.32		$	0.79
Weighted-average common shares outstanding (basic)		37,919,480			37,263,352			37,931,406			36,719,436
Weighted-average common shares outstanding (diluted)		38,027,289			37,948,006			38,350,064			37,445,407
Common shares outstanding		38,388,217			38,115,219			38,388,217			38,115,219
Cash dividends per common share	$	0.03		N/A			$	0.06		N/A
Dividend payout ratio on common stock		12.50	%	N/A				19.35	%	N/A
Tangible book value per common share(1)	$	15.47		$	13.79		$	15.47		$	13.79
Key Ratios and Performance Metrics (annualized where applicable)
Net interest margin		3.71	%		4.51	%		3.93	%		4.47	%
Average cost of deposits		0.36	%		0.92	%		0.54	%		0.90	%
Efficiency ratio(2)		53.70	%		61.19	%		60.25	%		61.90	%
Adjusted efficiency ratio(1)(2)(3)		53.70	%		56.02	%		59.69	%		57.70	%
Non-interest expense to average assets		2.41	%		3.34	%		2.76	%		3.33	%
Adjusted non-interest expense to average assets(1)(3)		2.41	%		3.07	%		2.73	%		3.12	%
Return on average stockholders' equity		4.74	%		7.60	%		3.16	%		7.67	%
Adjusted return on average stockholders' equity(1)(3)		4.74	%		9.16	%		3.29	%		8.90	%
Return on average assets		0.59	%		1.00	%		0.41	%		1.02	%
Adjusted return on average assets(1)(3)		0.59	%		1.21	%		0.43	%		1.18	%
Non-interest income to total revenues(1)		19.56	%		20.67	%		17.24	%		20.02	%
Pre-tax pre-provision return on average assets(1)		1.85	%		1.88	%		1.60	%		1.81	%
Adjusted pre-tax pre-provision return on average assets(1)		1.85	%		2.15	%		1.63	%		2.03	%
Return on average tangible common stockholders' equity(1)		7.05	%		11.32	%		4.99	%		11.35	%
Adjusted return on average tangible common stockholders' equity(1)(3)		7.05	%		13.44	%		5.17	%		13.00	%
Non-interest-bearing deposits to total deposits		35.67	%		30.55	%		35.67	%		30.55	%
Loans and leases held for sale and loans and leases held for investment to    total deposits		88.62	%		95.60	%		88.62	%		95.60	%
Deposits to total liabilities		88.34	%		86.88	%		88.34	%		86.88	%
Deposits per branch	$	86,989		$	66,561		$	86,989		$	66,561
Asset Quality Ratios
Non-performing loans and leases to total loans and leases held for    investment, net before ALLL		0.99	%		0.95	%		0.99	%		0.95	%
ALLL to total loans and leases held for investment, net before ALLL		1.17	%		0.81	%		1.17	%		0.81	%
Net charge-offs to average total loans and leases held for investment, net    before ALLL		0.57	%		0.25	%		0.53	%		0.25	%
Acquisition accounting adjustments(4)	$	19,324		$	37,109		$	19,324		$	37,109
Capital Ratios
Common equity to total assets		12.05	%		13.12	%		12.05	%		13.12	%
Tangible common equity to tangible assets(1)		9.55	%		10.09	%		9.55	%		10.09	%
Leverage ratio		10.29	%		11.09	%		10.29	%		11.09	%
Common equity tier 1 capital ratio		12.33	%		11.65	%		12.33	%		11.65	%
Tier 1 capital ratio		13.56	%		12.96	%		13.56	%		12.96	%
Total capital ratio		15.86	%		13.71	%		15.86	%		13.71	%

(1) Represents a non-GAAP financial measure. See “Reconciliations of non-GAAP Financial Measures” for a reconciliation of our non-GAAP measures to the most directly comparable GAAP financial measure.

(2) Represents non-interest expense less amortization of intangible assets divided by net interest income and non-interest income.

(3) Calculation excludes impairment charges, merger-related expenses, and core system conversion expenses.

(4) Represents the remaining net unaccreted discount as a result of applying the fair value acquisition accounting adjustment at the time of the business combination on acquired loans.  

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Our results for the first six months of 2020 were impacted by additional provision for loan and lease losses, leading to an increase in the allowance for loan and lease losses to reflect the weakening economic conditions due to the COVID-19 pandemic.

We reported consolidated net income of $9.1 million for the three months ended June 30, 2020 compared to net income of $13.2 million for the three months ended June 30, 2019, a decrease of $4.1 million. The decrease in net income was primarily attributable to a $9.1 million increase in provision for loan and lease losses, a $1.8 million decrease in net interest income, and a $1.4 million decrease in non-interest income, partly offset by a $6.9 million decrease in non-interest expense, and a $1.3 decrease in provision for income taxes.

The decrease in net interest income during the three months ended June 30, 2020 was mainly a result of decreased average yields on loans and leases, partly offset by decreased cost of funds and increase in loan and lease average balances as a result of PPP loan originations. The increase in provision for loan and lease losses reflects specific impairment provided for non-performing loans as well as qualitative allocations to address the impact of the COVID-19 pandemic. The decrease in non-interest income was principally driven by a decrease in net gains on sale of loans and a decrease in net gains on sales of available-for-sale securities. The decrease in non-interest expense was mostly due to a decrease in salaries and employee benefits as a result of an increase in deferred costs for the origination of PPP loans and a decrease in legal, audit, and other professional fees and data processing expenses. The decrease in provision for income taxes was mainly driven by a decrease in net income before provision for income taxes during the period.

Net income available to common stockholders was $8.9 million, or $0.24 per basic and diluted common share, for the three months ended June 30, 2020 compared to $13.0 million, or $0.35 per basic and $0.34 per diluted common share, for the three months ended June 30, 2019. Dividends on preferred shares were $195,000 for the three months ended June 30, 2020 and 2019.

Our annualized return on average assets was 0.59% for the three months ended June 30, 2020 compared to 1.00% for the three months ended June 30, 2019. Our annualized return on average stockholders’ equity was 4.74% for the three months ended June 30, 2020 compared to 7.60% for the three months ended June 30, 2019. Our efficiency ratio was 53.70% for the three months ended June 30, 2020 compared to 61.19% for the three months ended June 30, 2019.

We reported consolidated net income of $12.1 million for the six months ended June 30, 2020 compared to net income of $25.8 million for the six months ended June 30, 2019, a decrease of $13.7 million. The decrease in net income was primarily attributable to a $19.6 million increase in provision for loan and lease losses and a $4.2 million decrease in non-interest income, partly offset by a $4.1 million decrease in non-interest expense, a $5.1 million decrease in provision for income taxes, and $901,000 increase in net interest income.

The increase in net interest income was mostly due to the decrease in the cost of funds and increase in loan and lease average balances, partly offset by the decrease in average yields on loans and leases. The increase in provision for loan and lease losses reflects specific impairment provided for non-performing loans as well as qualitative allocations to address the impact of the COVID-19 pandemic.  The decrease in non-interest income was driven by a decrease in net gains on sale of loans and an increase in the downward adjustment for the loan servicing asset revaluation. The decrease in non-interest expense was a result of a decrease in salaries and employee benefits as a result of an increase in deferred costs for the origination of PPP loans and a decrease in data processing expense. The decrease in provision for income taxes was due to a decrease in net income before provision for income taxes during the period.

Net income available to common stockholders was $11.7 million, or $0.31 per basic and diluted common share, for the six months ended June 30, 2020 compared to $25.4 million, or $0.69 per basic and $0.68 per diluted common share, for the six months ended June 30, 2019. Dividends on preferred shares were $391,000 for the six months ended June 30, 2020 and 2019.

Our annualized return on average assets was 0.41% for the six months ended June 30, 2020 compared to 1.02% for the six months ended June 30, 2019. Our annualized return on average stockholders’ equity was 3.16% for the six months ended June 30, 2020 compared to 7.67% for the six months ended June 30, 2019. Our efficiency ratio was 60.25% for the six months ended June 30, 2020 compared to 61.90% for the six months ended June 30, 2019.

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Net Interest Income

Net interest income, representing interest income less interest expense, is a significant contributor to our revenues and earnings. We generate interest income from interest and dividends on interest-earning assets, which include loans, leases and investment securities we own. We incur interest expense from interest paid on interest-bearing liabilities, which include interest-bearing deposits, FHLB advances, junior subordinated debentures and other borrowings. To evaluate net interest income, we measure and monitor (i) yields on our loans and other interest-earning assets, (ii) the costs of our deposits and other funding sources, (iii) our net interest spread, and (iv) our net interest margin. Net interest spread is the difference between rates earned on interest-earning assets and rates paid on interest-bearing liabilities. Net interest margin is calculated as the annualized net interest income divided by average interest-earning assets. Because non-interest-bearing sources of funds, such as non-interest-bearing deposits and stockholders’ equity, also fund interest-earning assets, net interest margin includes the benefit of these non-interest-bearing sources.

We also recognize income from the accretable discounts associated with the purchase of interest-earning assets. Because of our recapitalization and bank acquisitions, we derive a portion of our interest income from the accretable discounts on acquired loans. The accretion is generally recognized over the life of the loan and is impacted by changes in expected cash flows on the loan. This accretion will continue to have an impact on our net interest income as long as loans acquired with a discount at acquisition represent a meaningful portion of our interest-earning assets. As of June 30, 2020, acquired loans with evidence of credit deterioration accounted for under ASC Topic 310-30, Accounting for Purchased Loans with Deteriorated Credit Quality, represented 5.4% of our total loan portfolio compared to 6.8% at December 31, 2019.

Changes in the market interest rates we earn on interest-earning assets or pay on interest-bearing liabilities, as well as the volume and types of interest-earning assets, interest-bearing and non-interest-bearing liabilities, are usually the largest drivers of periodic changes in net interest spread, net interest margin and net interest income. In addition, our interest income includes the accretion of the discounts on our acquired loans, which will also affect our net interest spread, net interest margin and net interest income.

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The following tables present, for the periods indicated, information about (i) average balances, the total dollar amount of interest income from interest-earning assets and the resultant average yields; (ii) average balances, the total dollar amount of interest expense on interest-bearing liabilities and the resultant average rates; (iii) net interest income; (iv) the interest rate spread; and (v) the net interest margin. Yields have been calculated on a pre-tax basis (dollars in thousands). 

	Three Months Ended June 30,
	2020								2019
	Average Balance(5)			Interest Inc / Exp		Average Yield / Rate			Average Balance(5)			Interest Inc / Exp		Average Yield / Rate
ASSETS
Cash and cash equivalents	$	58,971		$	25		0.17	%	$	35,346		$	245		2.78	%
Loans and leases(1)		4,283,654			50,153		4.71	%		3,759,634			59,524		6.35	%
Taxable securities		1,243,604			7,021		2.27	%		975,693			6,563		2.70	%
Tax-exempt securities(2)		117,340			706		2.42	%		68,314			428		2.52	%
Total interest-earning assets	$	5,703,569		$	57,905		4.08	%	$	4,838,987		$	66,760		5.53	%
Allowance for loan and lease losses		(43,009	)							(28,203	)
All other assets		526,414								464,036
TOTAL ASSETS	$	6,186,974							$	5,274,820
LIABILITIES AND STOCKHOLDERS’    EQUITY
Deposits
Interest checking	$	392,070		$	165		0.17	%	$	333,725		$	452		0.54	%
Money market accounts		1,214,713			946		0.31	%		695,986			1,790		1.03	%
Savings		511,049			61		0.05	%		477,775			118		0.10	%
Time deposits		976,710			3,074		1.27	%		1,278,488			6,946		2.18	%
Total interest-bearing deposits		3,094,542			4,246		0.55	%		2,785,974			9,306		1.34	%
Other borrowings		534,766			476		0.36	%		462,841			2,265		1.96	%
Subordinated notes and debentures		40,180			574		5.75	%		36,963			741		8.04	%
Total borrowings		574,946			1,050		0.73	%		499,804			3,006		2.41	%
Total interest-bearing liabilities	$	3,669,488		$	5,296		0.58	%	$	3,285,778		$	12,312		1.50	%
Non-interest-bearing demand deposits		1,692,723								1,254,173
Other liabilities		48,884								37,941
Total stockholders’ equity		775,879								696,928
TOTAL LIABILITIES AND STOCKHOLDERS’    EQUITY	$	6,186,974							$	5,274,820
Net interest spread(3)							3.50	%							4.03	%
Net interest income				$	52,609							$	54,448
Net interest margin(4)							3.71	%							4.51	%
Net loan accretion impact on margin				$	3,172		0.22	%				$	4,868		0.40	%

(1) Loan and lease balances are net of deferred origination fees and costs and initial direct costs. Non-accrual loans and leases are included in total loan and lease balances.

(2) Interest income and rates exclude the effects of a tax equivalent adjustment to adjust tax-exempt investment income on tax-exempt investment securities to a fully taxable basis due to immateriality.

(3) Represents the average rate earned on interest-earning assets minus the average rate paid on interest-bearing liabilities.

(4) Represents net interest income (annualized) divided by total average interest-earning assets.

(5) Average balances are average daily balances.  

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	Six Months Ended June 30,
	2020								2019
	Average Balance(5)			Interest Inc / Exp		Average Yield / Rate			Average Balance(5)			Interest Inc / Exp		Average Yield / Rate
ASSETS
Cash and cash equivalents	$	48,952		$	182		0.75	%	$	50,969		$	546		2.16	%
Loans and leases(1)		4,041,433			104,311		5.19	%		3,647,427			113,907		6.30	%
Taxable securities		1,209,362			15,337		2.55	%		951,048			12,646		2.68	%
Tax-exempt securities(2)		101,010			1,241		2.47	%		61,792			771		2.52	%
Total interest-earning assets	$	5,400,757		$	121,071		4.51	%	$	4,711,236		$	127,870		5.47	%
Allowance for loan and lease losses		(38,336	)							(26,786	)
All other assets		514,042								435,672
TOTAL ASSETS	$	5,876,463							$	5,120,122
LIABILITIES AND STOCKHOLDERS’    EQUITY
Deposits
Interest checking	$	365,487		$	425		0.23	%	$	313,499		$	866		0.56	%
Money market accounts		1,088,459			3,160		0.58	%		654,723			3,249		1.00	%
Savings		495,660			122		0.05	%		474,509			257		0.11	%
Time deposits		1,045,153			8,343		1.61	%		1,237,182			13,010		2.12	%
Total interest-bearing deposits		2,994,759			12,050		0.81	%		2,679,913			17,382		1.31	%
Other borrowings		527,937			2,373		0.90	%		465,325			4,431		1.92	%
Subordinated notes and debentures		38,782			1,214		6.30	%		36,890			1,524		8.33	%
Total borrowings		566,719			3,587		1.27	%		502,215			5,955		2.39	%
Total interest-bearing liabilities	$	3,561,478		$	15,637		0.88	%	$	3,182,128		$	23,337		1.48	%
Non-interest-bearing demand deposits		1,495,761								1,220,266
Other liabilities		48,571								39,582
Total stockholders’ equity		770,653								678,146
TOTAL LIABILITIES AND STOCKHOLDERS’    EQUITY	$	5,876,463							$	5,120,122
Net interest spread(3)							3.63	%							3.99	%
Net interest income				$	105,434							$	104,533
Net interest margin(4)							3.93	%							4.47	%
Net loan accretion impact on margin				$	6,843		0.25	%				$	10,069		0.43	%

(1) Loan and lease balances are net of deferred origination fees and costs and initial direct costs. Non-accrual loans and leases are included in total loan and lease balances.

(2) Interest income and rates exclude the effects of a tax equivalent adjustment to adjust tax-exempt investment income on tax-exempt investment securities to a fully taxable basis due to immateriality.

(3) Represents the average rate earned on interest-earning assets minus the average rate paid on interest-bearing liabilities.

(4) Represents net interest income (annualized) divided by total average interest-earning assets.

(5) Average balances are average daily balances.  

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Increases and decreases in interest income and interest expense result from changes in average balances (volume) of interest-earning assets and interest-bearing liabilities, as well as changes in average interest rates. The following table sets forth the effects of changing rates and volumes on our net interest income during the periods shown. Information is provided with respect to (i) effects on interest income attributable to changes in volume (changes in volume multiplied by prior rate) and (ii) effects on interest income attributable to changes in rate (changes in rate multiplied by prior volume). Changes applicable to both volume and rate have been allocated to volume. Yields have been calculated on a pre-tax basis. The table below is a summary of increases and decreases in interest income and interest expense resulting from changes in average balances (volume) and changes in average interest rates (dollars in thousands):

	Three Months Ended June 30, 2020 compared to Three Months Ended June 30, 2019
	Increase (Decrease) Due to
	Volume			Rate			Total
Interest income
Cash and cash equivalents	$	9		$	(229	)	$	(220	)
Loans and leases(1)		5,959			(15,330	)		(9,371	)
Taxable securities		1,501			(1,043	)		458
Tax-exempt securities		295			(17	)		278
Total interest income	$	7,764		$	(16,619	)	$	(8,855	)
Interest expense
Deposits
Interest checking	$	20		$	(307	)	$	(287	)
Money market accounts		402			(1,246	)		(844	)
Savings		2			(59	)		(57	)
Time deposits		(979	)		(2,893	)		(3,872	)
Total interest-bearing deposits		(555	)		(4,505	)		(5,060	)
Other borrowings		52			(1,841	)		(1,789	)
Subordinated notes and debentures		43			(210	)		(167	)
Total borrowings		96			(2,052	)		(1,956	)
Total interest expense	$	(459	)	$	(6,557	)	$	(7,016	)
Net interest income	$	8,223		$	(10,062	)	$	(1,839	)

(1) Includes loans and leases on non-accrual status.

Net interest income for the three months ended June 30, 2020 was $52.6 million compared to $54.4 million during the same period in 2019, a decrease of $1.8 million, or 3.4%. Interest income decreased $8.9 million for the three months ended June 30, 2020 compared to the same period in 2019 primarily a result of decreased average yields on loans and leases as market interest rates decreased from a year ago as well as lower-yielding PPP loan balances partly offset by loan and lease growth through origination. Interest expense decreased by $7.0 million for the three months ended June 30, 2020 compared to the same period in 2019 mostly due to decreases in the average rates paid on deposits and borrowings as well as an improvement in deposit mix.

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	Six Months Ended June 30, 2020 compared to Six Months Ended June 30, 2019
	Increase (Decrease) Due to
	Volume			Rate			Total
Interest income
Cash and cash equivalents	$	(7	)	$	(357	)	$	(364	)
Loans and leases(1)		10,537			(20,133	)		(9,596	)
Taxable securities		3,306			(615	)		2,691
Tax-exempt securities		485			(15	)		470
Total interest income	$	14,321		$	(21,120	)	$	(6,799	)
Interest expense
Deposits
Interest checking	$	73		$	(514	)	$	(441	)
Money market accounts		1,278			(1,367	)		(89	)
Savings		7			(142	)		(135	)
Time deposits		(1,529	)		(3,138	)		(4,667	)
Total interest-bearing deposits		(171	)		(5,161	)		(5,332	)
Other borrowings		302			(2,360	)		(2,058	)
Subordinated notes and debentures		62			(372	)		(310	)
Total borrowings		365			(2,733	)		(2,368	)
Total interest expense	$	194		$	(7,894	)	$	(7,700	)
Net interest income	$	14,128		$	(13,227	)	$	901

(1) Includes loans and leases on non-accrual status.

Net interest income for the six months ended June 30, 2020 was $105.4 million compared to $104.5 million during the same period in 2019, an increase of $901,000, or 0.9%. Interest income decreased $6.8 million for the six months ended June 30, 2020 compared to the same period in 2019 primarily a result of decreased average yields on loans and leases as market interest rates decreased from a year ago as well as lower-yielding PPP loan balances partly offset by loan and lease growth through origination and purchases of mortgage-backed securities. Interest expense decreased by $7.7 million for the six months ended June 30, 2020 compared to the same period in 2019 mostly due to decreases in the average rates paid on deposits and borrowings as well as an improvement in deposit mix.

The net interest margin for the three months ended June 30, 2020 was 3.71%, a decrease of 80 basis points compared to 4.51% for the three months ended June 30, 2019.  The net interest margin for the six months ended June 30, 2020 was 3.93%, a decrease of 54 basis points compared to 4.47% for the six months ended June 30, 2019. The primary driver of the decrease for the three and six month periods was a decrease in average loan and lease yields resulting from decreased market interest rates, lower-yielding PPP loan balances, and decreased loan accretion.  Those decreases were partly offset by a lower cost of funds resulting from decreased market interest rates and the access of funds available to borrow at a lower cost as well as higher non-interest-bearing demand deposit balances.

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Net loan accretion income was $3.2 million for the three months ended June 30, 2020 compared to $4.9 million for the three months ended June 30, 2019.  Net loan accretion income was $6.8 million for the six months ended June 30, 2020  compared to $10.1 million for the six months ended June 30, 2019. Total net loan accretion on acquired loans contributed 22 basis points to the net interest margin for the three months ended June 30, 2020 compared to 40 basis points for the three months ended June 30, 2019.  Total net loan accretion on acquired loans contributed 25 basis points to the net interest margin for the six months ended June 30, 2020 compared to 43 basis points for the six months ended June 30, 2019. Projected accretion income as of June 30, 2020 is summarized as follows:

	Estimated Projected Accretion(1)(2)
Last six months of 2020	$	4,001
2021		7,780
2022		4,317
2023		1,676
2024		1,048
Thereafter		2,654
Total	$	21,476
(1)   Estimated projected accretion excludes interest income on ASC 310-310 loans. (2)   Projections are updated quarterly, assume no prepayments, and are subject to change, including the Company’s expected adoption of ASU No. 2016-13, Measurement of Credit Losses on Financial Instruments.

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Provision for Loan and Lease Losses

The provision for loan and lease losses represents a charge to earnings necessary to establish an allowance for loan and lease losses that, in management’s evaluation, is appropriate to provide coverage for probable losses incurred in the loan and lease portfolio. The allowance for loan and lease losses is increased by the provision for loan and lease losses and is decreased by charge-offs, net of recoveries on prior charge-offs.

Provisions for loan and lease losses were $15.5 million and $6.4 million for the three months ended June 30, 2020 and 2019, respectively, an increase of $9.1 million, or 142.8%.  Provisions for loan and lease losses were $30.0 million and $10.4 million for the six months ended June 30, 2020 and 2019, respectively, an increase of $19.6 million, or 188.5%. The increase reflects specific impairment provided for non-performing loans, including the unguaranteed portion of U.S. government guaranteed loans and increases to our general reserves, including allocations of $7.3 million and $13.6 million, for the three and six months ended June 30, 2020, respectively, to address the impact of the COVID-19 pandemic. The ALLL as a percentage of loans and leases increased from 0.84% at December 31, 2019 to 1.17% at June 30, 2020.

Non-Interest Income

Non-interest income was $12.8 million for the three months ended June 30, 2020 compared to $14.2 million for the three months ended June 30, 2019, a decrease of $1.4 million, or 9.8%. The decrease was primarily due to a decrease in net gains on sale of loans and a decrease in net gains on sales of available-for-sale securities.

Non-interest income was $22.0 million for the six months ended June 30, 2020 compared to $26.2 million for the six months ended June 30, 2019, a decrease of $4.2 million, or 16.1%. The decrease was primarily due to a decrease in net gains on sale of loans and an increase in the downward adjustment for the loan servicing asset revaluation.

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2020			2019			2019			2018
Fees and service charges on deposits	$	1,455		$	1,441		$	3,128		$	3,211
Loan servicing revenue		2,980			2,630			5,738			5,169
Loan servicing asset revaluation		(711	)		(1,223	)		(3,775	)		(2,484	)
ATM and interchange fees		845			945			2,061			1,662
Net gain on sales of securities available-for-sale		—			973			1,375			973
Change in fair value of equity securities, net		766			551			147			1,050
Net gains on sales of loans		6,456			7,472			11,229			13,705
Wealth management and trust income		608			626			1,277			1,221
Other non-interest income		389			768			781			1,664
Total non-interest income	$	12,788		$	14,183		$	21,961		$	26,171

Fees and service charges on deposits represent amounts charged to customers for banking services, such as fees on deposit accounts, and include, but are not limited to, maintenance fees, insufficient fund fees, overdraft protection fees, wire transfer fees, and other charges. Fees and service charges on deposits were $1.5 million for the three months ended June 30, 2020 compared to $1.4 million for the three months ended June 30, 2019, an increase of $14,000, or 1.0%. Fees and service charges on deposits were $3.1 million for the six months ended June 30, 2020 compared to $3.2 million for the six months ended June 30, 2019, a decrease of $83,000, or 2.6%.

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While portions of the loans that we originate are sold and generate gains on sale revenue, servicing rights for the majority of loans that we sell are retained by us. In exchange for continuing to service loans that have been sold, we receive servicing revenue from a portion of the interest cash flow of the loan. We generated $3.0 million in loan servicing revenue on the sold portion of the U.S. government guaranteed loans for the three months ended June 30, 2020 compared to $2.6 million for the three months ended June 30, 2019, an increase of $350,000 or 13.3%.  We generated $5.7 million in loan servicing revenue on the sold portion of the U.S. government guaranteed loans for the six months ended June 30, 2020 compared to $5.2 million for the six months ended June 30, 2019, an increase of $569,000 or 11.0%. The increase was mainly driven by an increase in total loans serviced due to additional U.S government guaranteed loans sold with retained servicing rights during the periods. At June 30, 2020 and 2019, the outstanding balance of guaranteed loans serviced was $1.4 billion and $1.3 billion, respectively.

Loan servicing asset revaluation represents net changes in the fair value of our servicing assets. Loan servicing asset revaluation had a downward adjustment of $711,000 for the three months ended June 30, 2020 compared to $1.2 million for the three months ended June 30, 2019, a decrease of $512,000, or 41.8%, due to a decrease in discount rate as a result of improving secondary market pricing during second quarter of 2020. Loan servicing asset revaluation had a downward adjustment of $3.8 million for the six months ended June 30, 2020 compared to $2.5 million for the six months ended June 30, 2019, an increase of $1.3 million, or 52.0%, due to secondary market volatility late in the first quarter of 2020 and early in the second quarter 2020 as a result of the COVID-19 pandemic.

ATM and interchange fees were $845,000 for the three months ended June 30, 2020 compared to $945,000 for the three months ended June 30, 2019, a decrease of $100,000, or 10.6%. The decrease was mostly due to lower third-party merchant fees.  ATM and interchange fees were $2.1 million for the six months ended June 30, 2020 compared to $1.7 million for the six months ended June 30, 2019, an increase of $399,000, or 24.0%. The increase was mainly driven by higher interchange income as a result of a $500,000 signing bonus for a new payment processing merchant.

There were no net gains on sales of securities during the three months ended June 30, 2020 compared to $973,000 for the three months ended June 30, 2019. Net gains on sales of securities were $1.4 million during the six months ended June 30, 2020 compared to $973,000 for the six months ended June 30, 2019, an increase of $402,000, or 41.3%.  We sold $45.4 million of securities during the six months ended June 30, 2020 and $59.6 million during the six months ended June 30, 2019.

Change in fair value of equity securities, net, was a $766,000 increase and a $551,000 increase in fair value for the three months ended June 30, 2020 and 2019, respectively.  Change in fair value of equity securities, net, was a $147,000 increase and a $1.1 million increase in fair value for the six months ended June 30, 2020 and 2019, respectively.  The amount recorded during the periods was a result of the increase or decrease in the fair value of these securities.

Net gains on sales of loans were $6.5 million for the three months ended June 30, 2020 compared to $7.5 million for the three months ended June 30, 2019, a decrease of $1.0 million, or 13.6%. We sold $78.7 million of U.S. government guaranteed loans during the three months ended June 30, 2020 compared to $75.2 million during the three months ended June 30, 2019.  Net gains on sales of loans were $11.2 million for the six months ended June 30, 2020 compared to $13.7 million for the six months ended June 30, 2019, a decrease of $2.5 million, or 18.1%. We sold $139.7 million of U.S. government guaranteed loans during the six months ended June 30, 2020 compared to $141.4 million during the six months ended June 30, 2019. The decrease in net gains on sales was mainly driven by decreased premiums during the periods.

Wealth management and trust income represents fees charged to customers for investment, trust, or wealth management services and are primarily determined by total assets under management. Wealth management and trust income was $608,000 for the three months ended June 30, 2020 compared to $626,000 for the three months ended June 30, 2019.  Wealth management and trust income was $1.3 million for the six months ended June 30, 2020 compared to $1.2 million for the six months ended June 30, 2019. Assets under management were $550.0 million and $591.1 million as of June 30, 2020 and 2019, respectively. The variances were mostly driven by market conditions.

Other non-interest income was $389,000 for the three months ended June 30, 2020 compared to $768,000 for the three months ended June 30, 2019, a decrease of $379,000 or 49.3%.  Other non-interest income was $781,000 for the six months ended June 30, 2020 compared to $1.7 million for the six months ended June 30, 2019, a decrease of $883,000 or 53.1%. The primary driver of the decrease in the periods was decreased swap and other operating income.

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Non-Interest Expense

Non-interest expense was $37.0 million for the three months ended June 30, 2020 compared to $44.0 million for the three months ended June 30, 2019, a decrease of $6.9 million, or 15.8%. The decrease was primarily due to a decrease in salaries and employee benefits as a result of an increase in deferred costs for the origination of PPP loans and a decrease in legal, audit, and other professional fees and data processing expenses.  Non-interest expense was $80.5 million for the six months ended June 30, 2020 compared to $84.6 million for the six months ended June 30, 2019, a decrease of $4.1 million, or 4.8%. The decrease was primarily due to a decrease in salaries and employee benefits as a result of an increase in deferred costs for the origination of PPP loans and a decrease data processing expenses.

The following table presents the major components of our non-interest expense for the periods indicated (dollars in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2020		2019		2020		2019
Salaries and employee benefits	$	19,405	$	23,652	$	44,071	$	46,544
Occupancy and equipment expense, net		5,359		5,069		10,883		10,018
Loan and lease related expenses		1,260		1,841		2,571		3,418
Legal, audit and other professional fees		2,078		2,981		4,412		5,047
Data processing		2,826		3,849		5,491		6,993
Net loss recognized on other real estate owned and    other related expenses		456		252		975		448
Other intangible assets amortization expense		1,892		1,959		3,785		3,732
Other non-interest expense		3,736		4,351		8,351		8,433
Total non-interest expense	$	37,012	$	43,954	$	80,539	$	84,633

Salaries and employee benefits, the single largest component of our non-interest expense, totaled $19.4 million for the three months ended June 30, 2020 compared to $23.7 million for the three months ended June 30, 2019, a decrease of $4.2 million, or 18.0%.  The decrease was mostly due to an increase in deferred costs for the origination of PPP loans partly offset by the merger expenses related to the Oak Park River Forest acquisition in the second quarter of 2019.  Salaries and employee benefits totaled $44.1 million for the six months ended June 30, 2020 compared to $46.5 million for the six months ended June 30, 2019, a decrease of $2.5 million, or 5.3%. The decrease resulted from an increase in deferred costs for the origination of PPP loans partly offset by organizational growth, increased employer costs related to benefits, and the Oak Park River Forest acquisition in the second quarter of 2019.

Occupancy and equipment expense was $5.4 million for the three months ended June 30, 2020 compared to $5.1 million for the three months ended June 30, 2019, an increase of $290,000, or 5.7%.  Occupancy and equipment expense was $10.9 million for the six months ended June 30, 2020 compared to $10.0 million for the six months ended June 30, 2019, an increase of $865,000, or 8.6%. The increase in the periods was a result of our additional branches resulting from the bank acquisition in the second quarter of 2019.  The increase was also a result of increased investment in equipment and technology assets.

Loan and lease related expenses were $1.3 million for the three months ended June 30, 2020 compared to $1.8 million for the three months ended June 30, 2019, a decrease of $581,000, or 31.6%.  Loan and lease related expenses were $2.6 million for the six months ended June 30, 2020 compared to $3.4 million for the six months ended June 30, 2019, a decrease of $847,000.0, or 24.8%. The decrease was principally driven by higher loan expense reimbursements from borrowers in the periods.  

Legal, audit, and other professional fees were $2.1 million for the three months ended June 30, 2020 compared to $3.0 million for the three months ended June 30, 2019, a decrease of $903,000, or 30.3%.  Legal, audit, and other professional fees were $4.4 million for the six months ended June 30, 2020 compared to $5.0 million for the six months ended June 30, 2019, a decrease of $635,000, or 12.6%. The decrease reflects the merger expenses related to the Oak Park River Forest acquisition in the second quarter of 2019.

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Data processing expense was $2.8 million for the three months ended June 30, 2020 compared to $3.8 million for the three months ended June 30, 2019, a decrease of $1.0 million, or 26.6%. Data processing expense was $5.5 million for the six months ended June 30, 2020 compared to $7.0 million for the six months ended June 30, 2019, a decrease of $1.5 million, or 21.5%. The decrease reflects the merger expenses related to the Oak Park River Forest acquisition and the core system integration expenses in the second quarter of 2019.

Net loss recognized on other real estate owned and other related expenses was $456,000 for the three months ended June 30, 2020 compared to $252,000 for the three months ended June 30, 2019, an increase in expense of $204,000, or 81.0%. This variance was primarily attributed to increased impairments of other real estate owned. Net loss recognized on other real estate owned and other related expenses was $975,000 for the six months ended June 30, 2020 compared to $448,000 for the six months ended June 30, 2019, an increase in expense of $527,000, or 117.6%. This change was primarily due to increased impairments of other real estate owned.

Other intangible assets amortization expense was $1.9 million for the three months ended June 30, 2020 compared to $2.0 million for the three months ended June 30, 2019, a decrease of $67,000, or 3.4%.  Other intangible assets amortization expense was $3.8 million for the six months ended June 30, 2020 compared to $3.7 million for the six months ended June 30, 2019, an increase of $53,000, or 1.4%. The increase was attributed to additional core deposit intangible asset amortization resulting from the Oak Park River Forest acquisition.

Other non-interest expense was $3.7 million for the three months ended June 30, 2020 compared to $4.4 million for the three months ended June 30, 2019, an increase of $615,000 or 14.1%. The decrease was mostly due to lower advertising expense and operating losses.  Other non-interest expense was $8.4 million for the six months ended June 30, 2020 and 2019.

Our efficiency ratio was 53.70% for the three months ended June 30, 2020 compared to 61.19% for the three months ended June 30, 2019. The change in our efficiency ratio for the three months ended June 30, 2020 was mostly attributable to decreased non-interest expense partly offset by decreases non-interest income and net interest income. Our adjusted efficiency ratio was 53.70% for the three months ended June 30, 2020 compared to 56.02% for the three months ended June 30, 2019.  Our efficiency ratio was 60.25% for the six months ended June 30, 2020 compared to 61.90% for the six months ended June 30, 2019. The change in our efficiency ratio for the six months ended June 30, 2020 was mostly due to decreased non-interest expense and increased net interest income partly offset by decreased non-interest income. Our adjusted efficiency ratio was 59.69% for the six months ended June 30, 2020 compared to 57.70% for the six months ended June 30, 2019. Please refer to the “Reconciliation of Non-GAAP Financial Measures” for a reconciliation of our non-GAAP measures to the most directly comparable GAAP financial measure.

Income Taxes

Our provision for income taxes for the three months ended June 30, 2020 totaled $3.7 million compared to $5.1 million for the three months ended June 30, 2019. The decrease in income tax expense was principally due to decreased income before provision for income taxes during the period. Our effective tax rate was 29.0% for the three months ended June 30, 2020 and 27.8% for the three months ended June 30, 2019.

Our provision for income taxes for the six months ended June 30, 2020 totaled $4.8 million compared to $9.9 million for the six months ended June 30, 2019. The decrease in income tax expense was principally due to decreased income before provision for income taxes during the period. Our effective tax rate was 28.3% for the six months ended June 30, 2020 and 27.7% for the six months ended June 30, 2019.

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Financial Condition

Balance Sheet Analysis

Our total assets increased by $871.7 million, or 15.8%, to $6.4 billion at June 30, 2020 compared to $5.5 billion at December 31, 2019. The increase in total assets includes an increase of $605.5 million, or 16.0%, in loans and leases from $3.8 billion at December 31, 2019 to $4.4 billion at June 30, 2020. Our originated loan and lease portfolio increased by $759.9 million and our acquired loan and lease portfolio decreased by $154.5 million. The increase in our originated portfolio was primarily attributed to organic loan and lease growth, mostly PPP loans, and renewals of acquired non-impaired loans that are now reflected with originated loans. The decrease in our acquired portfolio was attributed to renewals reflected in originated loans, payoffs, and pay downs during the period.  

Total liabilities increased by $840.9 million, or 17.6%, to $5.6 billion at June 30, 2020 compared to $4.8 billion at December 31, 2019. Total deposits increased by $810.8 million, or 19.5%, driven by growth in non-interest-bearing deposits, money market demand deposits, and interest-bearing checking accounts, partly offset by a decrease in time deposits.  Borrowings decreased by $18.4 million, or 3.2%.

Investment Portfolio

Our investment securities portfolio consists of securities classified as available-for-sale and held-to-maturity. There were no securities classified as trading in our investment portfolio as of June 30, 2020 or December 31, 2019. All available-for sale securities are carried at fair value and may be used for liquidity purposes should management consider it to be in our best interest. Securities available-for-sale consist primarily of residential mortgage-backed securities, commercial mortgage- backed securities and U.S. government agencies securities.

Securities available-for-sale increased $240.6 million, or 20.3%, from $1.2 billion at December 31, 2019 to $1.4 billion at June 30, 2020. The increase was mainly attributed to securities purchases of mortgage-backed securities.

At June 30, 2020, our held-to-maturity securities portfolio consists of obligations of states, municipalities and political subdivisions. We carry these securities at amortized cost. Securities held-to-maturity were $4.4 million at June 30, 2020 and December 31, 2019.

The fair value of our equity and other securities portfolio was $8.2 million at June 30, 2020 compared to $8.0 million at December 31, 2019.

We had no securities that were classified as having other-than-temporary-impairment (“OTTI”) as of June 30, 2020 or December 31, 2019.

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The following table summarizes the fair value of the available-for-sale and held-to-maturity securities portfolio as of the dates presented (dollars in thousands):

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Available-for-sale
U.S. Treasury Notes	$	30,443	$	31,095	$	41,403	$	41,830
U.S. Government agencies		137,002		137,795		165,162		164,950
Obligations of states, municipalities, and political    subdivisions		120,427		125,156		92,806		94,832
Residential mortgage-backed securities
Agency		662,424		679,865		490,427		490,236
Non-agency		75,844		77,291		109,501		109,822
Commercial mortgage-backed securities
Agency		232,137		239,054		159,650		159,701
Non-agency		30,984		31,221		31,144		31,274
Corporate securities		55,599		56,278		48,796		49,330
Asset-backed securities		50,431		49,116		44,515		44,317
Total	$	1,395,291	$	1,426,871	$	1,183,404	$	1,186,292

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,404	$	4,582	$	4,412	$	4,498
Total	$	4,404	$	4,582	$	4,412	$	4,498

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Certain securities have fair values less than amortized cost and, therefore, contain unrealized losses. At June 30, 2020, we evaluated the securities which had an unrealized loss for OTTI and determined all declines in value to be temporary. There were 35 investment securities with unrealized losses at June 30, 2020. We anticipate full recovery of amortized cost with respect to these securities by maturity, or sooner in the event of a more favorable market interest rate environment. We do not intend to sell these securities and it is not more likely than not that we will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

The following tables (dollars in thousands) set forth certain information regarding contractual maturities and the weighted average yields of our investment securities as of the dates presented. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

	Maturity as of June 30, 2020
	Due in One Year or Less					Due from One to  Five Years					Due from Five to Ten Years					Due after Ten Years
	Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)
Available-for-sale
U.S. Treasury Notes	$	16,987		2.46	%	$	13,456		2.62	%	$	—		0.00	%	$	—		0.00	%
U.S. government agencies		998		2.59	%		2,466		2.73	%		98,637		1.64	%		34,901		2.62	%
Obligations of states,    municipalities, and political    subdivisions		7,130		2.28	%		26,659		2.40	%		27,063		2.73	%		59,575		2.54	%
Residential mortgage-backed    securities
Agency		—		0.00	%		1,318		1.37	%		78,970		1.60	%		582,136		1.96	%
Non-agency		—		0.00	%		—		0.00	%		—		0.00	%		75,844		2.66	%
Commercial mortgage-backed    securities
Agency		—		0.00	%		7,457		3.35	%		3,037		2.16	%		221,643		2.30	%
Non-agency		—		0.00	%		—		0.00	%		—		0.00	%		30,984		2.60	%
Corporate securities		4,999		2.89	%		6,801		2.70	%		43,799		4.07	%		—		0.00	%
Asset-backed securities		—		0.00	%		—		0.00	%		6,000		2.73	%		44,431		2.43	%
Total	$	30,114		2.49	%	$	58,157		2.60	%	$	257,506		2.19	%	$	1,049,514		2.18	%

	Maturity as of June 30, 2020
	Due in One Year or Less					Due from One to  Five Years					Due from Five to Ten Years					Due after Ten Years
	Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)
Held-to-maturity
Obligations of states,     municipalities, and political     subdivisions	$	504		1.50	%	$	3,900		2.62	%	$	—		0.00	%	$	—		0.00	%
Total	$	504		1.50	%	$	3,900		2.62	%	$	—		0.00	%	$	—		0.00	%

(1) The weighted average yields are based on amortized cost.

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	Maturity as of December 31, 2019
	Due in One Year or Less					Due from One to  Five Years					Due from Five to Ten Years					Due after Ten Years
	Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)
Available-for-sale
U.S. Treasury Notes	$	17,975		2.54	%	$	23,428		2.51	%	$	—		0.00	%	$	—		0.00	%
U.S. government agencies		19,940		2.27	%		38,739		1.97	%		74,614		2.69	%		31,869		2.85	%
Obligations of states,    municipalities, and political    subdivisions		5,851		2.13	%		27,556		2.39	%		30,476		2.91	%		28,923		2.89	%
Residential mortgage-backed    securities
Agency		—		0.00	%		2,562		1.92	%		38,609		1.98	%		449,256		2.48	%
Non-agency		—		0.00	%		—		0.00	%		—		0.00	%		109,501		3.14	%
Commercial mortgage-backed    securities
Agency		—		0.00	%		7,410		3.35	%		3,047		1.97	%		149,193		2.62	%
Non-agency		—		0.00	%		—		0.00	%		—		0.00	%		31,144		2.60	%
Corporate securities		7,525		2.96	%		9,348		3.26	%		31,923		4.00	%		—		0.00	%
Asset-backed securities		—		0.00	%		—		0.00	%		—		0.00	%		44,515		3.36	%
Total	$	51,291		2.45	%	$	109,043		2.40	%	$	178,669		2.80	%	$	844,401		2.67	%

	Maturity as of December 31, 2019
	Due in One Year or Less					Due from One to  Five Years					Due from Five to Ten Years					Due after Ten Years
	Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)			Amortized Cost		Weighted Average Yield(1)
Held-to-maturity
Obligations of states,    municipalities, and political    subdivisions	$	—		0.00	%	$	3,800		2.45	%	$	612		2.75	%	$	—		0.00	%
Total	$	—		0.00	%	$	3,800		2.45	%	$	612		2.75	%	$	—		0.00	%

(1) The weighted average yields are based on amortized cost.

Total non-taxable securities classified as obligations of states, municipalities and political subdivisions were $93.3 million at June 30, 2020, an increase of $23.0 million from December 31, 2019.

There were no holdings of securities of any one issuer, other than U.S. government-sponsored entities and agencies, with total outstanding balances greater than 10% of our stockholders’ equity as of June 30, 2020 or December 31, 2019.

Restricted Stock

As a member of the Federal Home Loan Bank system, Byline Bank is required to maintain an investment in the capital stock of the FHLB. No market exists for this stock, and it has no quoted market value. The stock is redeemable at par by the FHLB and is, therefore, carried at cost. In addition, Byline Bank owns stock of Bankers’ Bank that was acquired as part of a bank acquisition. The stock is redeemable at par and carried at cost. As of June 30, 2020 and December 31, 2019, we held $6.2 million and $22.1 million, respectively, in FHLB and Bankers’ Bank stock. We evaluate impairment of our investment in FHLB and Bankers’ Bank based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. We did not identify any indicators of impairment of FHLB and Bankers’ Bank stock as of June 30, 2020 and December 31, 2019.

Loan and Lease Portfolio

Lending-related income is the most important component of our net interest income and is the main driver of the results of our operations. Total loans and leases at June 30, 2020 and December 31, 2019 were $4.4 billion and $3.8 billion, respectively, an increase of $605.5 million, or 16.0%. Originated loans were $3.6 billion at June 30, 2020, an increase of $759.9 million, or 26.8%, compared to $2.8 billion at December 31, 2019. Acquired impaired loans and acquired non-

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impaired loans and leases were $795.5 million at June 30, 2020, a decrease of $154.5 million, or 16.3%, compared to $950.0 million at December 31, 2019.  The increase in our originated portfolio was primarily attributed to organic loan and lease growth, primarily PPP loans, and renewals of acquired non-impaired loans that are now reflected with originated loans. The decrease in our acquired portfolio is attributed to renewals reflected in originated loans, payoffs, and pay downs during the period.

We strive to maintain a relatively diversified loan portfolio to help reduce the risk inherent in concentration in certain types of collateral. Loans, excluding leases, are typically made to real estate, manufacturing, wholesale, retail and service businesses for working capital needs, business expansions and operations.  The Company's exposure to certain industries as of June 30, 2020 represents the following percentages of the portfolio:  27.0% real estate, 14.9% manufacturing, 8.8% consumer, 6.7% wholesale trade, 6.3% accommodation and food service, 6.2% retail trade, 4.3% finance and insurance, and all other industries individually represent less than 5% of the portfolio.  As of June 30, 2020, the loan portfolio included $892.8 million of unguaranteed 7(a) SBA and USDA loan with exposure to the following top three industries:  15.9% manufacturing, 14.8% retail trade, and 13.7% food services.  The following table shows our allocation of originated, acquired impaired and acquired non-impaired loans and leases as of the dates presented (dollars in thousands):  

	June 30, 2020						December 31, 2019
	Amount			% of Total			Amount			% of Total
Originated loans and leases
Commercial real estate	$	919,510			20.9	%	$	792,263			20.9	%
Residential real estate		480,692			10.9	%		483,072			12.8	%
Construction, land development, and other land		219,261			5.0	%		235,794			6.2	%
Commercial and industrial		1,200,996			27.4	%		1,160,996			30.7	%
Paycheck Protection Program		611,664			13.9	%		—			0.0	%
Installment and other		2,714			0.1	%		5,372			0.1	%
Leasing financing receivables		160,741			3.7	%		158,155			4.2	%
Total originated loans and leases	$	3,595,578			81.9	%	$	2,835,652			74.9	%
Acquired impaired loans
Commercial real estate	$	126,405			2.9	%	$	135,914			3.6	%
Residential real estate		90,784			2.1	%		100,223			2.7	%
Construction, land development, and other land		4,784			0.1	%		5,373			0.1	%
Commercial and industrial		13,485			0.3	%		16,909			0.4	%
Installment and other		226			0.0	%		249			0.0	%
Total acquired impaired loans	$	235,684			5.4	%	$	258,668			6.8	%
Acquired non-impaired loans and leases
Commercial real estate	$	305,041			6.9	%	$	348,365			9.2	%
Residential real estate		99,288			2.3	%		128,527			3.4	%
Construction, land development, and other land		21,958			0.5	%		37,490			1.0	%
Commercial and industrial		116,668			2.7	%		153,660			4.1	%
Installment and other		818			0.0	%		944			0.0	%
Leasing financing receivables		16,087			0.4	%		22,355			0.6	%
Total acquired non-impaired loans and leases	$	559,860			12.7	%	$	691,341			18.3	%
Total loans and leases	$	4,391,122			100.0	%	$	3,785,661			100.0	%
Allowance for loan and lease losses		(51,300	)					(31,936	)
Total loans and leases, net of allowance for loan and lease losses	$	4,339,822					$	3,753,725

Loans collateralized by real estate comprised 51.6% and 59.8% of the loan and lease portfolio at June 30, 2020 and December 31, 2019, respectively. Commercial real estate loans comprised the largest portion of the real estate loan portfolio as of June 30, 2020 and December 31, 2019 and totaled $1.4 billion, or 59.6%, of real estate loans and 30.8% of the total loan and lease portfolio at June 30, 2020. At December 31, 2019, commercial real estate loans totaled $1.3 billion and comprised 56.3% of real estate loans and 33.7% of the total loan and lease portfolio. Acquired impaired commercial real estate loans decreased from $135.9 million as of December 31, 2019 to $126.4 million as of June 30, 2020, or 7.0%. At June 30, 2020 and December 31, 2019, commercial real estate loans, including both owner-occupied and non-owner occupied, as a

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percentage of total capital were 298.0% and 308.1%, respectively. Non-owner occupied commercial real estate loans were $481.2 million and $459.9 million, or 75.7% and 76.3% of total capital, at June 30, 2020 and December 31, 2019, respectively.

Residential real estate loans totaled $670.8 million at June 30, 2020 compared to $711.8 million at December 31, 2019, a decrease of $41.1 million, or 5.8%. The residential real estate loan portfolio comprised 29.6% and 31.4% of real estate loans as of June 30, 2020 and December 31, 2019, respectively, and 15.3% and 18.8% of total loans and leases at June 30, 2020 and December 31, 2019, respectively. Acquired impaired residential real estate loans decreased from $100.2 million at December 31, 2019 to $90.8 million at June 30, 2020, or 9.4%.

Construction, land development, and other land loans totaled $246.0 million at June 30, 2020 compared to $278.7 million at December 31, 2019, an increase of $32.7 million, or 11.7%. The construction, land development and other land loan portfolio comprised 10.8% and 12.3% of real estate loans at June 30, 2020 and December 31, 2019, respectively, and 5.6% and 7.3% of the total loan and lease portfolio at June 30, 2020 and December 31, 2019, respectively.

Commercial and industrial loans totaled $1.9 billion and $1.3 billion at June 30, 2020 and December 31, 2019, respectively, an increase of $611.2 million, or 45.9%. The commercial and industrial loan portfolio comprised 44.2% and 35.2% of the total loan and lease portfolio at June 30, 2020 and December 31, 2019, respectively.

Lease financing receivables comprised 4.0% and 4.8% of the loan and lease portfolio at June 30, 2020 and December 31, 2019, respectively. Total lease financing receivables were $176.8 million and $180.5 million at June 30, 2020 and December 31, 2019, respectively, a decrease of $3.7 million, or 2.0%.

In support of our customers impacted by the COVID-19 pandemic and keeping with regulatory guidance, we began offering relief through payment deferrals during the first quarter of 2020.  Through June 30, 2020, we approved approximately $619.2 million in payment deferrals, or 16.4% of loans and leases excluding PPP loans at June 30, 2020. The following table shows deferrals by bucket and category at June 30, 2020 (dollars in thousands):

	30 Days				60 Days				90 + Days				Totals
	Balance		Count		Balance		Count		Balance		Count		Balance		Count
Commercial
Principal and Interest	$	25,581		77	$	10,334		34	$	350,873		342	$	386,788		453
Principal Only		438		1		833		1		168,994		189		170,265		191
Total commercial deferrals	$	26,019		78	$	11,167		35	$	519,867		531	$	557,053		644
Consumer
Interest Only	$	—		—	$	—		—	$	7,168		41	$	7,168		41
Principal and Interest		—		—		—		—		14,963		79	$	14,963		79
Total consumer deferrals	$	—		—	$	—		—	$	22,131		120	$	22,131		120
Leasing
Principal and Interest	$	68		2	$	1,130		27	$	38,793		1,007	$	39,991		1,036
Total leasing deferrals	$	68		2	$	1,130		27	$	38,793		1,007	$	39,991		1,036
Total deferrals	$	26,087		80	$	12,297		62	$	580,791		1,658	$	619,175		1,800

We have identified certain industries that we believe have shown early impact as a result of the COVID-19 pandemic.  As of June 30, 2020, these industries represent approximately 10.5% of our loan and lease portfolio, excluding PPP loans. These industries include restaurants and food services loans of $141.7 million, accommodation loans of $57.7 million, amusement and recreation loans of $53.0 million, nursing and senior residential care loans of $49.3 million, truck transportation loans of $40.1 million, faith-based and not-for-profit loans of $42.9 million, performing arts and spectator sports loans of $10.7 million, and air transportation loans of $2.1 million.  Through June 30, 2020, we have approved approximately $116.7 million of payment deferrals on loans in these select industries.

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Loan and Lease Portfolio Maturities and Interest Rate Sensitivity

The following table shows our loan and lease portfolio by scheduled maturity at June 30, 2020 (dollars in thousands):

	Due in One Year or Less				Due after One Year Through Five Years					Due after Five Years
	Fixed Rate		Floating Rate		Fixed Rate		Floating Rate			Fixed Rate		Floating Rate		Total
Originated loans and leases
Commercial real estate	$	55,785	$	41,747	$	352,050	$	189,033		$	101,013	$	179,882	$	919,510
Residential real estate		22,809		31,058		71,292		58,861			205,416		91,256		480,692
Construction, land development, and other land		2,308		50,350		21,950		138,890			2,453		3,310		219,261
Commercial and industrial		4,911		287,809		135,380		373,490			133,794		265,612		1,200,996
Paycheck protection program		—		—		611,664		—			—		—		611,664
Installment and other		426		625		1,320		37			306		—		2,714
Leasing financing receivables		7,400		—		142,023		—			11,318		—		160,741
Total originated loans and leases	$	93,639	$	411,589	$	1,335,679	$	760,311		$	454,300	$	540,060	$	3,595,578
Acquired impaired loans
Commercial real estate	$	38,335	$	5,218	$	73,126	$	1,635		$	3,747	$	4,344	$	126,405
Residential real estate		24,048		2,668		39,490		1,715			18,571		4,292		90,784
Construction, land development, and other land		2,166		1,938		681		(1	)		—		—		4,784
Commercial and industrial		3,558		3,309		4,468		98			1,640		412		13,485
Installment and other		3		—		41		—			182		—		226
Total acquired impaired loans	$	68,110	$	13,133	$	117,806	$	3,447		$	24,140	$	9,048	$	235,684
Acquired non-impaired loans and    leases
Commercial real estate	$	28,375	$	8,922	$	146,544	$	14,181		$	29,665	$	77,354	$	305,041
Residential real estate		4,051		11,310		30,992		37,766			3,736		11,433		99,288
Construction, land development, and other land		-		3,789		215		17,954			—		—		21,958
Commercial and industrial		6,268		12,102		43,738		25,183			4,235		25,142		116,668
Installment and other		201		43		478		96			—		—		818
Leasing financing receivables		1,061		—		15,026		—			—		—		16,087
Total acquired non-impaired loans and leases	$	39,956	$	36,166	$	236,993	$	95,180		$	37,636	$	113,929	$	559,860
Total loans and leases	$	201,705	$	460,888	$	1,690,478	$	858,938		$	516,076	$	663,037	$	4,391,122

At June 30, 2020, 54.8% of the loan and lease portfolio bears interest at fixed rates and 45.2% at floating rates. In addition, $597.2 million, or 13.6%, of the loan and lease portfolio has interest rate floors of which $421.4 million were at the interest rate floor as of June 30, 2020.  The expected life of our loan portfolio will differ from contractual maturities because borrowers may have the right to curtail or prepay their loans with or without penalties. Because a portion of the portfolio is accounted for under ASC 310-30, the carrying value is significantly affected by estimates and it is impracticable to allocate scheduled payments for those loans based on those estimates. Consequently, the tables presented include information limited to contractual maturities of the underlying loans.

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Allowance for Loan and Lease Losses

The ALLL is determined by us on a quarterly basis, although we are engaged in monitoring the appropriate level of the allowance on a more frequent basis. The ALLL reflects management’s estimate of probable incurred credit losses inherent in the loan and lease portfolios. The computation includes elements of judgement and high levels of subjectivity.

Factors considered by us include, but are not limited to, actual loss experience, peer loss experience, changes in size and risk profile of the portfolio, identification of individual problem loan and lease situations which may affect a borrower’s ability to repay, and evaluation of the prevailing economic conditions. Changes in conditions may necessitate revision of the estimate in future periods.

We assess the ALLL based on three categories: (i) originated loans and leases, (ii) acquired non-impaired loans and leases, and (iii) acquired impaired loans with further credit deterioration after the acquisitions or our recapitalization.

Total ALLL was $51.3 million at June 30, 2020 compared to $31.9 million at December 31, 2019, an increase of $19.4 million, or 60.6%. The increase was primarily due to increases in the general reserve driven by newly originated loans and leases and renewals of acquired non-impaired loans that are also reflected within originated loans and leases, and specific impairments in the unguaranteed portion of the U.S. government guaranteed portfolio as well as commercial loan relationships.  The increase also includes allocations of $13.6 million to address the estimated impact of the COVID-19 pandemic. Economic factors considered in recognizing the additional allocation includes the impact that an increased unemployment rate due to sheltering in place had on a borrowers’ ability to repay loans; and an increase in classified loans.

Total ALLL to total loans and leases held for investment, net before ALLL, was 1.17% and 0.84% of total loans and leases at June 30, 2020 and December 31, 2019, respectively. The increase was primarily driven by an increase in specific impairments on non-performing loans, including the unguaranteed portion of U.S. government guaranteed loans, and increases to our general reserve to address the impact of the COVID-19 pandemic.

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The following table presents an analysis of the allowance of the loan and lease losses for the periods presented (dollars in thousands):  

	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land			Commercial and Industrial			Paycheck Protection Program		Installment and Other			Lease Financing Receivables			Total
Balance at March 31, 2020	$	11,851		$	2,778		$	1,004		$	24,139		$	—	$	53		$	2,015		$	41,840
Provision (release) for acquired impaired loans		(94	)		(242	)		(2	)		816			—		—			—			478
Provision (release) for acquired non-impaired loans and leases		706			74			19			121			—		—			(25	)		895
Provision (release) for originated loans		2,694			1,124			470			9,758			—		(17	)		116			14,145
Total provision	$	3,306		$	956		$	487		$	10,695		$	—	$	(17	)	$	91		$	15,518
Charge-offs for acquired impaired loans		(15	)		—			—			(78	)		—		—			—			(93	)
Charge-offs for acquired non-impaired loans and leases		(682	)		—			—			(419	)		—		—			(63	)		(1,164	)
Charge-offs for originated loans and leases		(391	)		(4	)		—			(4,348	)		—		—			(498	)		(5,241	)
Total charge-offs	$	(1,088	)	$	(4	)	$	—		$	(4,845	)	$	—	$	—		$	(561	)	$	(6,498	)
Recoveries for acquired impaired loans		16			4			—			29			—		—			—			49
Recoveries for acquired non-impaired loans and leases		22			—			—			10			—		—			31			63
Recoveries for originated loans and leases		3			7			—			80			—		—			238			328
Total recoveries	$	41		$	11		$	—		$	119		$	—	$	—		$	269		$	440
Less: Net charge-offs (recoveries)		1,047			(7	)		—			4,726			—		—			292			6,058
Acquired impaired loans		2,009			763			87			1,877			—		—			—			4,736
Acquired non-impaired loans and leases		2,411			106			43			3,902			—		3			165			6,630
Originated loans and leases		9,690			2,872			1,361			24,329			—		33			1,649			39,934
Balance at June 30, 2020	$	14,110		$	3,741		$	1,491		$	30,108		$	—	$	36		$	1,814		$	51,300
Ending ALLL balance
Acquired impaired loans	$	2,009		$	763		$	87		$	1,877			—	$	—		$	—		$	4,736
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		3,525			80			—			10,409			—		—			—			14,014
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		8,576			2,898			1,404			17,822			—		36			1,814			32,550
Balance at June 30, 2020	$	14,110		$	3,741		$	1,491		$	30,108		$	—	$	36		$	1,814		$	51,300
Loans and leases ending balance
Acquired impaired loans	$	126,405		$	90,784		$	4,784		$	13,485		$	—	$	226		$	—		$	235,684
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		36,751			1,805			4,189			35,545			—		—			—			78,290
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		1,187,800			578,175			237,030			1,282,119			611,664		3,532			176,828			4,077,148
Total loans and leases at June 30, 2020, gross	$	1,350,956		$	670,764		$	246,003		$	1,331,149		$	611,664	$	3,758		$	176,828		$	4,391,122

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(as of June 30, 2020)	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land			Commercial and Industrial			Paycheck Protection Program			Installment and Other			Lease Financing Receivables			Total
Ratio of net charge-offs to average loans and leases outstanding during the period (annualized)
Acquired impaired loans		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%
Acquired non-impaired loans and leases		0.06	%		0.00	%		0.00	%		0.04	%		0.00	%		0.00	%		0.00	%		0.10	%
Originated loans and leases		0.04	%		0.00	%		0.00	%		0.40	%		0.00	%		0.00	%		0.02	%		0.46	%
Loans and leases ending balance as a percentage of total loans and leases, gross
Acquired impaired loans		2.88	%		2.07	%		0.11	%		0.31	%		0.00	%		0.01	%		0.00	%		5.37	%
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		0.84	%		0.04	%		0.10	%		0.81	%		0.00	%		0.00	%		0.00	%		1.78	%
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		27.05	%		13.17	%		5.40	%		29.20	%		13.93	%		0.08	%		4.03	%		92.85	%

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	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land			Commercial and Industrial			Paycheck Protection Program			Installment and Other			Lease Financing Receivables			Total
Balance at December 31, 2019	$	7,965		$	1,990		$	610		$	19,377		$	—		$	50		$	1,944		$	31,936
Provision for acquired impaired loans		1,068			83			61			782			—			—			—			1,994
Provision (release) for acquired non-impaired loans and leases		1,492			91			27			1,779			—			1			(22	)		3,368
Provision (release) for originated loans		5,168			1,566			793			16,680			—			(15	)		419			24,611
Total provision	$	7,728		$	1,740		$	881		$	19,241		$	—		$	(14	)	$	397		$	29,973
Charge-offs for acquired impaired loans		(15	)		—			—			(78	)		—			—			—			(93	)
Charge-offs for acquired non-impaired loans and leases		(1,027	)		—			—			(547	)		—			—			(220	)		(1,794	)
Charge-offs for originated loans and leases		(598	)		(9	)		—			(8,178	)		—			—			(798	)		(9,583	)
Total charge-offs	$	(1,640	)	$	(9	)	$	—		$	(8,803	)	$	—		$	—		$	(1,018	)	$	(11,470	)
Recoveries for acquired impaired loans		19			5			—			35			—			—			—			59
Recoveries for acquired non-impaired loans and leases		22			—			—			10			—			—			67			99
Recoveries for originated loans and leases		16			15			—			248			—			—			424			703
Total recoveries	$	57		$	20		$	—		$	293		$	—		$	—		$	491		$	861
Less: Net charge-offs (recoveries)		1,583			(11	)		—			8,510			—			—			527			10,609
Acquired impaired loans		2,009			763			87			1,877			—			—			—			4,736
Acquired non-impaired loans and leases		2,411			106			43			3,902			—			3			165			6,630
Originated loans and leases		9,690			2,872			1,361			24,329			—			33			1,649			39,934
Balance at June 30, 2020	$	14,110		$	3,741		$	1,491		$	30,108		$	—		$	36		$	1,814		$	51,300
Ending ALLL balance
Acquired impaired loans	$	2,009		$	763		$	87		$	1,877			—		$	—		$	—		$	4,736
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		3,525			80			—			10,409			—			—			—			14,014
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		8,576			2,898			1,404			17,822			—			36			1,814			32,550
Balance at June 30, 2020	$	14,110		$	3,741		$	1,491		$	30,108		$	—		$	36		$	1,814		$	51,300
Loans and leases ending balance
Acquired impaired loans	$	126,405		$	90,784		$	4,784		$	13,485		$	—		$	226		$	—		$	235,684
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		36,751			1,805			4,189			35,545			—			—			—			78,290
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		1,187,800			578,175			237,030			1,282,119			611,664			3,532			176,828			4,077,148
Total loans and leases at June 30, 2020, gross	$	1,350,956		$	670,764		$	246,003		$	1,331,149		$	611,664		$	3,758		$	176,828		$	4,391,122
Ratio of net charge-offs to average loans and leases outstanding during the period (annualized)
Acquired impaired loans		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%		0.00	%
Acquired non-impaired loans and leases		0.05	%		0.00	%		0.00	%		0.03	%		0.00	%		0.00	%		0.01	%		0.08	%
Originated loans and leases		0.03	%		0.00	%		0.00	%		0.39	%		0.00	%		0.00	%		0.02	%		0.44	%
Loans and leases ending balance as a percentage of total loans and leases, gross
Acquired impaired loans		2.88	%		2.07	%		0.11	%		0.31	%		0.00	%		0.01	%		0.00	%		5.37	%
Acquired non-impaired loans and leases and originated loans individually evaluated for impairment		0.84	%		0.04	%		0.10	%		0.81	%		0.00	%		0.00	%		0.00	%		1.78	%
Acquired non-impaired loans and leases and originated loans and leases collectively evaluated for impairment		27.05	%		13.17	%		5.40	%		29.20	%		13.93	%		0.08	%		4.03	%		92.85	%

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	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land			Commercial and Industrial			Installment and Other			Lease Financing Receivables			Total
Balance at March 31, 2019	$	6,660		$	1,970		$	536		$	15,630		$	63		$	2,247		$	27,106
Provision (release) for acquired impaired loans		324			(100	)		15			338			—			—			577
Provision (release) for acquired non impaired loans and leases		1,188			8			22			1,042			1			(63	)		2,198
Provision for originated loans		1,183			30			118			1,940			7			338			3,616
Total provision	$	2,695		$	(62	)	$	155		$	3,320		$	8		$	275		$	6,391
Charge-offs for acquired impaired loans		(110	)		—			—			(450	)		—			—			(560	)
Charge-offs for acquired non-impaired loans and leases		(400	)		—			—			(1,243	)		—			—			(1,643	)
Charge-offs for originated loans and leases		(308	)		(9	)		—			(134	)		(4	)		(622	)		(1,077	)
Total charge-offs	$	(818	)	$	(9	)	$	—		$	(1,827	)	$	(4	)	$	(622	)	$	(3,280	)
Recoveries for acquired impaired loans		396			270			—			—			—			—			666
Recoveries for acquired non-impaired loans    and leases		1			1			—			—			—			16			18
Recoveries for originated loans and leases		—			1			—			3			—			227			231
Total recoveries	$	397		$	272		$	—		$	3		$	—		$	243		$	915
Less: Net charge-offs		421			(263	)		—			1,824			4			379			2,365
Acquired impaired loans		1,726			590			15			1,142			2			0			3,475
Acquired non-impaired loans and leases		2,241			16			22			3,068			1			300			5,648
Originated loans and leases		4,967			1,565			654			12,916			64			1,843			22,009
Balance at June 30, 2019	$	8,934		$	2,171		$	691		$	17,126		$	67		$	2,143		$	31,132
Ending ALLL balance
Acquired impaired loans	$	1,726		$	590		$	15		$	1,142		$	2		$	—		$	3,475
Acquired non-impaired loans and leases and    originated loans individually evaluated for    impairment		2,775			22			—			6,489			—			—			9,286
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		4,433			1,559			676			9,495			65			2,143			18,371
Balance at June 30, 2019	$	8,934		$	2,171		$	691		$	17,126		$	67		$	2,143		$	31,132
Loans and leases ending balance
Acquired impaired loans	$	151,127		$	118,534		$	4,220		$	20,370		$	300		$	—		$	294,551
Acquired non-impaired loans and leases and    originated loans individually evaluated for    impairment		18,707			2,899			—			24,278			-			—			45,884
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		1,141,705			656,329			247,728			1,275,922			12,609			188,420			3,522,713
Total loans and leases at June 30, 2019,    gross	$	1,311,539		$	777,762		$	251,948		$	1,320,570		$	12,909		$	188,420		$	3,863,148
Ratio of net charge-offs to average loans    and leases outstanding during the    period (annualized)
Acquired impaired loans		-0.03	%		-0.03	%		0.00	%		0.05	%		0.00	%		0.00	%		-0.01	%
Acquired non-impaired loans and leases		0.04	%		0.00	%		0.00	%		0.13	%		0.00	%		0.00	%		0.17	%
Originated loans and leases		0.04	%		0.00	%		0.00	%		0.01	%		0.00	%		0.04	%		0.09	%
Loans and leases ending balance as a    percentage of total loans and leases,    gross
Acquired impaired loans		3.91	%		3.07	%		0.11	%		0.52	%		0.01	%		0.00	%		7.62	%
Acquired non-impaired loans and leases and    originated loans individually evaluated for    impairment		0.48	%		0.08	%		0.00	%		0.63	%		0.00	%		0.00	%		1.19	%
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		29.55	%		16.99	%		6.41	%		33.03	%		0.33	%		4.88	%		91.19	%

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	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land			Commercial and Industrial			Installment and Other			Lease Financing Receivables			Total
Balance at December 31, 2018	$	7,540		$	1,751		$	466		$	12,932		$	49		$	2,463		$	25,201
Provision (release) for acquired impaired loans		194			(47	)		15			681			—			—			843
Provision (release) for acquired non-impaired loans and leases		1,549			(95	)		5			1,132			1			(222	)		2,370
Provision for originated loans		1,394			298			205			4,539			21			720			7,177
Total provision	$	3,137		$	156		$	225		$	6,352		$	22		$	498		$	10,390
Charge-offs for acquired impaired loans		(110	)		—			—			(666	)		—			—			(776	)
Charge-offs for acquired non-impaired loans and leases		(1,751	)		—			—			(1,379	)		—			—			(3,130	)
Charge-offs for originated loans and leases		(308	)		(9	)		—			(134	)		(4	)		(1,267	)		(1,722	)
Total charge-offs	$	(2,169	)	$	(9	)	$	—		$	(2,179	)	$	(4	)	$	(1,267	)	$	(5,628	)
Recoveries for acquired impaired loans		398			270			—			4			—			—			672
Recoveries for acquired non-impaired loans    and leases		28			2			—			20			—			118			168
Recoveries for originated loans and leases		—			1			—			(3	)		—			331			329
Total recoveries	$	426		$	273		$	—		$	21		$	—		$	449		$	1,169
Less: Net charge-offs (recoveries)		1,743			(264	)		—			2,158			4			818			4,459
Acquired impaired loans		1,726			590			15			1,142			2			—			3,475
Acquired non-impaired loans and leases		2,241			16			22			3,068			1			300			5,648
Originated loans and leases		4,967			1,565			654			12,916			64			1,843			22,009
Balance at June 30, 2019	$	8,934		$	2,171		$	691		$	17,126		$	67		$	2,143		$	31,132
Ending ALLL balance
Acquired impaired loans	$	1,726		$	590		$	15		$	1,142		$	2		$	—		$	3,475
Acquired non-impaired loans and leases and    originated loans individually    evaluated for impairment		2,775			22			—			6,489			—			—			9,286
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		4,433			1,559			676			9,495			65			2,143			18,371
Balance at June 30, 2019	$	8,934		$	2,171		$	691		$	17,126		$	67		$	2,143		$	31,132
Loans and leases ending balance
Acquired impaired loans	$	151,127		$	118,534		$	4,220		$	20,370		$	300		$	—		$	294,551
Acquired non-impaired loans and leases and    originated loans individually evaluated for    impairment		18,707			2,899			—			24,278			—			—			45,884
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		1,141,705			656,329			247,728			1,275,922			12,609			188,420			3,522,713
Total loans and leases at June 30, 2019,    gross	$	1,311,539		$	777,762		$	251,948		$	1,320,570		$	12,909		$	188,420		$	3,863,148
Ratio of net charge-offs to average loans    and leases outstanding during the    period (annualized)
Acquired impaired loans		-0.02	%		-0.01	%		0.00	%		0.04	%		0.00	%		0.00	%		0.01	%
Acquired non-impaired loans and leases		0.09	%		0.00	%		0.00	%		0.08	%		0.00	%		-0.01	%		0.16	%
Originated loans and leases		0.02	%		0.00	%		0.00	%		0.01	%		0.00	%		0.04	%		0.08	%
Loans and leases ending balance as a    percentage of  total loans and leases,    gross
Acquired impaired loans		3.91	%		3.07	%		0.11	%		0.52	%		0.01	%		0.00	%		7.62	%
Acquired non-impaired loans and leases and    originated loans individually evaluated for    impairment		0.48	%		0.08	%		0.00	%		0.63	%		0.00	%		0.00	%		1.19	%
Acquired non-impaired loans and leases and    originated loans and leases collectively    evaluated for impairment		29.55	%		16.99	%		6.41	%		33.03	%		0.33	%		4.88	%		91.19	%

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Non-Performing Assets

Non-performing loans and leases include loans and leases 90 days past due and still accruing, loans and leases accounted for on a non-accrual basis and accruing restructured loans. Non-performing assets consist of non-performing loans and leases plus other real estate owned. Non-performing assets at June 30, 2020 and December 31, 2019 totaled $52.3 million and $47.9 million, respectively, an increase of $4.4 million, or 9.1%, due to the increase in non-accrual loans.

Total non-accrual loans and leases increased by $4.2 million, or 11.7%, between December 31, 2019 and June 30, 2020 mostly due to a net increase in million in commercial real estate loans. The U.S. government guaranteed portion of non-performing loans totaled $3.8 million at June 30, 2020 and $4.2 million at December 31, 2019.

Total OREO decreased from $9.9 million at December 31, 2019 to $8.7 million at June 30, 2020. The $1.2 million decrease in OREO resulted mostly from sales and valuation adjustments.

Total accruing loans past due decreased from $40.2 million at December 31, 2019 to $12.7 million at June 30, 2020. This represents a decrease of $27.5 million, or 68.5%, and can be attributed to decreases in commercial real estate loans, commercial and industrial loans, and construction, land development, and other land loans, primarily as a result of SBA CARES Act payments and payment deferrals granted to assist customers with their short-term cash flow needs during the COVID-19 pandemic. See Note 6 of our Unaudited Interim Condensed Consolidated Financial Statements, included in this report, for further information.

The following table sets forth the amounts of non-performing loans and leases, non-performing assets, and OREO at the dates indicated (dollars in thousands):

	June 30, 2020			December 31, 2019
Non-performing assets:
Non-accrual loans and leases(1)(2)(3)	$	40,505		$	36,272
Past due loans and leases 90 days or more and still    accruing interest		—			—
Accruing troubled debt restructured loans		3,151			1,771
Total non-performing loans and leases		43,656			38,043
Other real estate owned		8,652			9,896
Total non-performing assets	$	52,308		$	47,939
Total non-performing loans and leases as a percentage of total    loans and leases		0.99	%		1.00	%
Total non-performing assets as a percentage of    total assets		0.82	%		0.87	%
Allowance for loan and lease losses as a percentage of    non-performing loans and leases		117.51	%		83.95	%
Non-performing assets guaranteed by U.S.    government:
Non-accrual loans guaranteed	$	3,755		$	4,232
Past due loans 90 days or more and still accruing interest    guaranteed		—			—
Accruing troubled debt restructured loans guaranteed		—			—
Total non-performing loans guaranteed	$	3,755		$	4,232
Total non-performing loans and leases not guaranteed as    a percentage of total loans and leases		0.91	%		0.89	%
Total non-performing assets not guaranteed as a    percentage of total assets		0.76	%		0.79	%

(1) Includes $7.4 million and $8.8 million of non-accrual restructured loans at June 30, 2020 and December 31, 2019.

(2) For the six months ended June 30, 2020, $1.2 million in interest income would have been recorded had non-accrual loans been current.

(3) For the six months ended June 30, 2020, $253,000 in interest income would have been recorded had troubled debt restructurings included within non-accrual loans been current.

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Acquired impaired loans (accounted for under ASC 310-30) that are delinquent and/or on non-accrual status continue to accrue income provided the respective pool in which those assets reside maintains a discount and recognizes accretion income. The aforementioned loans are characterized as performing loans based on contractual delinquency. If the pool no longer has a discount and accretion income can no longer be recognized, any loan within that pool on non-accrual status will be classified as non-accrual for presentation purposes.

Deposits

Our loan and lease growth is funded primarily through core deposits.  We gather deposits primarily through each of our 56 branch locations in the Chicago metropolitan area and one branch in Brookfield, Wisconsin. Through our branch network, online, mobile and direct banking channels, we offer a variety of deposit products including demand deposit accounts, interest-bearing products, savings accounts, and certificates of deposit. We offer competitive online, mobile, and direct banking channels. Small businesses are a significant source of low cost deposits as they value convenience, flexibility, and access to local decision makers that are responsive to their needs.

Total deposits at June 30, 2020 were $5.0 billion, representing an increase of $810.8 million, or 19.5%, compared to $4.1 billion at December 31, 2019, driven by an increase in customer liquidity. Non-interest-bearing deposits were $1.8 billion, or 35.7% of total deposits, at June 30, 2020, an increase of $489.0 million, or 38.2%, compared to $1.3 billion at December 31, 2019, or 30.9% of total deposits. Core deposits were 88.7% and 83.1% of total deposits at June 30, 2020 and December 31, 2019, respectively.

The following table shows the average balance amounts and the average contractual rates paid on our deposits for the periods indicated (dollars in thousands):

	For the Three Months Ended June 30, 2020					For the Three Months Ended June 30, 2019
	Average Balance		Average Rate			Average Balance		Average Rate
Non-interest-bearing demand deposits	$	1,692,723		0.00	%	$	1,254,173		0.00	%
Interest checking		392,070		0.17	%		333,725		0.54	%
Money market accounts		1,214,713		0.31	%		695,986		1.03	%
Savings		511,049		0.05	%		477,775		0.10	%
Time deposits (below $100,000)		393,838		1.08	%		508,247		1.93	%
Time deposits ($100,000 and above)		582,872		1.39	%		770,241		2.34	%
Total	$	4,787,265		0.36	%	$	4,040,147		0.92	%

	For the Six Months Ended June 30, 2020					For the Six Months Ended June 30, 2019
	Average Balance		Average Rate			Average Balance		Average Rate
Non-interest-bearing demand deposits	$	1,495,761		0.00	%	$	1,220,266		0.00	%
Interest checking		365,487		0.23	%		313,499		0.56	%
Money market accounts		1,088,459		0.58	%		654,723		1.00	%
Savings		495,660		0.05	%		474,509		0.11	%
Time deposits (below $100,000)		427,087		0.00	%		483,143		1.80	%
Time deposits ($100,000 and above)		618,066		0.00	%		754,039		2.33	%
Total	$	4,490,520		0.54	%	$	3,900,179		0.90	%

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Our average cost of deposits was 0.36% during the second quarter of 2020 compared to 0.92% during the second quarter of 2019.  Our average cost of deposits was 0.54% during the six months ended June 30, 2020 compared to 0.90% during the six months ended June 30, 2019.  These decreases were principally attributed to lower rates on interest-bearing deposits as a result the interest rate environment and an improved deposit mix. Our average non-interest bearing deposits to total deposits ratios were 35.4% during the second quarter of 2020 compared to 31.0% during the second quarter of 2019. We had $56.0 million and $41.0 million of brokered time deposits at June 30, 2020 and December 31, 2019, respectively. Our loan and lease to deposit ratio was 88.62% at June 30, 2020 compared to 91.56% at December 31, 2019.

The following table shows time deposits and other time deposits of $100,000 or more by time remaining until maturity (dollars in thousands):

	At June 30, 2020
	Time Deposits
Three months or less	$	220,392
Over three months through six months		103,792
Over six months through 12 months		199,018
Over 12 months		36,724
Total	$	559,926

Borrowed Funds

On June 26, 2020, the Company issued $50.0 million in 6.00% fixed-to-floating subordinated notes that mature on July 1, 2030.  The subordinated notes bear a fixed interest rate of 6.00% until July 1, 2025 and a floating interest rate equal to a benchmark rate, which is expected to be three-month Secured Overnight Financing Rate (“SOFR”) plus 588 basis points thereafter until maturity.  The Company may, at its option, redeem the notes, in whole or in part, on a semi-annual basis beginning on July 1, 2025, subject to obtaining the prior approval of the Federal Reserve to the extent such approval is then required.  The subordinated notes are intended to qualify as Tier 2 capital for regulatory capital purposes.  The transaction resulted in debt issuance costs of approximately $1.2 million that will be amortized over 10 years.

In addition to deposits, we also utilize FHLB advances as a supplementary funding source to finance our operations. The bank’s advances from the FHLB are collateralized by residential and multi-family real estate loans and securities. At June 30, 2020 and December 31, 2019, we had maximum borrowing capacity from the FHLB of $2.0 billion and $1.9 billion subject to the availability of collateral, respectively. At June 30, 2020, the Company had a $4.0 million FHLB advance with a maturity of May 2021.

The Company has the capacity to borrow funds from the discount window of the Federal Reserve System.  The Company utilized the discount window to lower its cost of funds during the six months ended June 30, 2020.  There were no borrowings outstanding under the Federal Reserve Bank discount window line as of June 30, 2020 and December 31, 2019.  The Company pledges loans as collateral for any borrowings under the Federal Reserve Bank discount window.  

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The following table sets forth certain information regarding our short-term borrowings at the dates and for the periods indicated (dollars in thousands):

	Six Months Ended June 30,
	2020			2019
Federal Reserve Bank discount window borrowing:
Average balance outstanding	$	99,121		$	118,684
Maximum outstanding at any month-end period during    the year		350,000			—
Balance outstanding at end of period		—			—
Weighted average interest rate during period		0.25	%	N/A
Weighted average interest rate at end of period	N/A			N/A
Federal Home Loan Bank advances:
Average balance outstanding	$	349,209		$	429,890
Maximum outstanding at any month-end period during    the year		499,000			500,000
Balance outstanding at end of period		4,000			500,000
Weighted average interest rate during period		2.00	%		2.00	%
Weighted average interest rate at end of period		0.00	%		2.42	%
Line of credit:
Average balance outstanding	$	82		$	973
Maximum outstanding at any month-end period during    the year		1,550			5,680
Balance outstanding at end of period		—			—
Weighted average interest rate during period		18.55	%		5.32	%
Weighted average interest rate at end of period(1)	N/A			N/A

(1) Our credit agreement with a third-party lender matures on October 2020. The agreement was further amended in June 2020. The amendment did not extend the maturity date. The line of credit bears interest at either the LIBOR Rate plus 195 basis points or the Prime Rate minus 75 basis points, based on our election, which is required to be communicate to the lender at least three business days prior to the commencement of an interest period. If we fail to provide timely notification, the interest rate will be Prime Rate minus 75 basis points.

Customer Repurchase Agreements (Sweeps)

Securities sold under agreements to repurchase represent a demand deposit product offered to customers that sweep balances in excess of the FDIC insurance limit into overnight repurchase agreements. We pledge securities as collateral for the repurchase agreements. Securities sold under agreements to repurchase increased by $6.9 million, from $49.6 million at December 31, 2019 to $56.5 million at June 30, 2020.

Liquidity

We manage liquidity based upon factors that include the amount of core deposits as a percentage of total deposits, the level of diversification of our funding sources, the amount of non-deposit funding used to fund assets, the availability of unused funding sources, off-balance sheet obligations, the availability of assets to be readily converted into cash without undue loss, the amount of cash and liquid securities we hold and the re-pricing characteristics and maturities of our assets when compared to the re-pricing characteristics of our liabilities, the ability to securitize and sell certain pools of assets and other factors.

Our liquidity needs are primarily met by cash and investment securities positions, growth in deposits, cash flow from amortizing loan portfolios, and borrowings from the FHLB. For additional information regarding our operating, investing, and financing cash flows, see Consolidated Statements of Cash Flows in our Unaudited Interim Condensed Consolidated Financial Statements included elsewhere in this report.

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As of June 30, 2020, Byline Bank had maximum borrowing capacity from the FHLB of $2.0 billion and $885.0 million from the Federal Reserve Bank (“FRB”). As of June 30, 2020, Byline Bank had open FHLB advances of $4.0 million and open letters of credit of $20.8 million, leaving us with available aggregate borrowing capacity of $1.2 billion. In addition, Byline Bank had uncommitted federal funds lines available of $130.0 million and $885.0 million available under the Federal Reserve Bank discount window line at June 30, 2020.

As of December 31, 2019, Byline Bank had maximum borrowing capacity from the FHLB of $1.9 billion and $547.8 million from the FRB. As of December 31, 2019, Byline Bank had open advances of $490.0 million and open letters of credit of $20.8 million, leaving us with available aggregate borrowing capacity of $1.4 billion. In addition, Byline Bank had an uncommitted federal funds line available of $115.0 million and $547.8 million available under the Federal Reserve Bank discount window line at December 31, 2019.

On October 13, 2016, the Company entered into a $30.0 million revolving credit agreement with a correspondent bank. Through subsequent amendments, the revolving credit agreement was reduced to $15.0 million and the maturity was extended to October 9, 2020. The amended revolving line of credit bears interest at either the London Interbank Offered Rate (“LIBOR”) plus 195 basis points or the Prime Rate minus 75 basis points, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period.  If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points. At June 30, 2020 and December 31, 2019, the line of credit had no outstanding balance.

There are regulatory limitations that affect the ability of Byline Bank to pay dividends to the Company. See Note 21 of our Consolidated Financial Statements, included in our Annual Report on Form 10-K for the year ended December 31, 2019 for additional information. Management believes that such limitations will not impact our ability to meet our ongoing short-term cash obligations.

We expect that our cash and liquidity resources will be generated by the operations of Byline Bank, which we expect to be sufficient to satisfy our liquidity and capital requirements for at least the next twelve months.

On April 21, 2020, Byline Bank entered into a Letter Agreement with the Federal Reserve Bank of Chicago that allows the Bank to access the Paycheck Protection Program Liquidity Facility (the “PPPLF”).  Under the terms of the PPPLF, the Bank will pledge PPP loans funded under the CARES Act, to the Federal Reserve Bank of Chicago as collateral for available advances under the PPPLF.  PPP loans pledged as collateral will be valued at an amount equal to the principal amount of the PPP loan outstanding at the time the PPP loan is pledged.  Advances under the PPPLF will be an amount equal to the aggregate principal amount of PPP loans pledged by Byline Bank, will carry an interest rate of 0.35%, and mature on the maturity date of the corresponding PPP loans pledged as collateral.  The Bank had $449.9 million outstanding under the PPPLF at June 30, 2020.

Capital Resources

Stockholders’ equity at June 30, 2020 was $780.9 million compared to $750.1 million at December 31, 2019, an increase of $30.8 million, or 4.1%. The increase was primarily driven by the increase in accumulated other comprehensive income reflecting the unrealized gains in our available-for-sale securities portfolio in addition to net income generated during the quarter less dividends declared.  

The Company and Byline Bank are subject to various regulatory capital requirements administered by federal banking regulators. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by federal banking regulators that, if undertaken, could have a direct material effect on our financial statements.

Under applicable bank regulatory capital requirements, each of the Company and Byline Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. Byline Bank must also meet certain specific capital guidelines under the prompt corrective action framework. The capital amounts and classification are subject to qualitative judgments by the federal banking regulators about components, risk weightings and other factors. Quantitative measures established by regulation to ensure capital adequacy require the Company and Byline Bank to maintain minimum amounts and ratios of

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CET1 Capital, Tier 1 capital and total capital to risk-weighted assets and of Tier 1 capital to average consolidated assets, (referred to as the “leverage ratio”), as defined under these capital requirements.

As of June 30, 2020, Byline Bank exceeded all applicable regulatory capital requirements and was considered “well-capitalized.” There have been no conditions or events since June 30, 2020 that management believes have changed Byline Bank’s classifications.

The regulatory capital ratios for the Company and Byline Bank to meet the minimum capital adequacy standards and for Byline Bank to be considered well capitalized under the prompt corrective action framework and the Company’s and Byline Bank’s actual capital amounts and ratios are set forth in the following tables as of the periods indicated (dollars in thousands):

	Actual					Minimum Capital Required					Required to be Considered Well Capitalized
June 30, 2020	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital to risk weighted assets:
Company	$	712,081		15.86	%	$	359,161		8.00	%	N/A		N/A
Bank		635,920		14.21	%		358,043		8.00	%	$	447,554		10.00	%
Tier 1 capital to risk weighted assets:
Company	$	608,931		13.56	%	$	269,371		6.00	%	N/A		N/A
Bank		582,770		13.02	%		268,532		6.00	%	$	358,043		8.00	%
Common Equity Tier 1 (CET1) to risk weighted    assets:
Company	$	553,493		12.33	%	$	202,028		4.50	%	N/A		N/A
Bank		582,770		13.02	%		201,399		4.50	%	$	290,910		6.50	%
Tier 1 capital to average assets:
Company	$	608,931		10.29	%	$	236,702		4.00	%	N/A		N/A
Bank		582,770		9.85	%		236,555		4.00	%	$	295,694		5.00	%

	Actual					Minimum Capital Required					Required to be Considered Well Capitalized
December 31, 2019	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital to risk weighted assets:
Company	$	627,573		14.43	%	$	347,835		8.00	%	N/A		N/A
Bank		602,684		13.87	%		347,564		8.00	%	$	434,454		10.00	%
Tier 1 capital to risk weighted assets:
Company	$	594,477		13.67	%	$	260,876		6.00	%	N/A		N/A
Bank		569,588		13.11	%		260,673		6.00	%	$	347,564		8.00	%
Common Equity Tier 1 (CET1) to risk weighted    assets:
Company	$	537,539		12.36	%	$	195,657		4.50	%	N/A		N/A
Bank		569,588		13.11	%		195,504		4.50	%	$	282,395		6.50	%
Tier 1 capital to average assets:
Company	$	594,477		11.39	%	$	208,771		4.00	%	N/A		N/A
Bank		569,588		10.92	%		208,647		4.00	%	$	260,809		5.00	%

The Company and Byline Bank must maintain a capital conservation buffer consisting of CET1 capital greater than 2.5% of risk-weighted assets above the required minimum risk-based capital levels in order to avoid limitations on paying dividends, repurchasing shares, and paying discretionary bonuses. The conservation buffers for the Company and Byline Bank exceed the minimum capital requirement as of June 30, 2020.

Provisions of state and federal banking regulations may limit, by statute, the amount of dividends that may be paid to the Company by Byline Bank without prior approval of Byline Bank’s regulatory agencies. The Company is economically

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dependent on the cash dividends received from Byline Bank. These dividends represent the primary cash flow from operating activities used to service obligations. For the six months ended June 30, 2020 and year ended December 31, 2019, the Company received $7.5 million and $13.5 million, respectively, in cash dividends from Byline Bank in order to pay the required interest on its outstanding junior subordinated debentures in connection with its trust preferred securities interest, dividends on the Series B preferred stock outstanding, and to fund other Company-related activities.

On November 1, 2019, the Company announced that its Board of Directors approved a stock repurchase program authorizing the purchase of up to an aggregate of 1,250,000 shares of the Company’s outstanding common stock. The shares may, at the discretion of management, be repurchased from time to time in open market purchases as market conditions warrant or in privately negotiated transactions, including pursuant to a Rule 10b5-1 plan, all as effected to the extent permitted by applicable law, including pursuant to the safe harbor provided under Rule 10b-18 of the Securities Exchange Act of 1934, as amended. The Company is not obligated to purchase any shares under the program, and the program may be discontinued at any time. The actual timing, number and share price of shares purchased under the repurchase program will be determined by the Company at its discretion and will depend on a number of factors, including the market price of the Company’s stock, general market and economic conditions and applicable legal requirements. The shares authorized to be repurchased represent approximately 3.3% of the Company’s currently outstanding common stock. Shares repurchased will be available for issuance under the Company’s equity incentive plans and for other general corporate purposes.  The program will be in effect until December 31, 2020, unless terminated earlier.  The Company repurchased 118,486 shares, or approximately $1.7 million, of stock during the first six months of 2020 under this program, which were recorded as treasury shares on the trade date as a reduction in stockholders’ equity.  This program was paused in March 2020.

On June 11, 2020, the Company announced that its Board of Directors declared a cash dividend on its common stock of $0.03 per share for the second quarter of 2020, which totaled $1.2 million. The dividend was paid on July 7, 2020 to stockholders of record on June 23, 2020.

Contractual Obligations

FHLB advances are fully described in Note 12 of our Unaudited Interim Condensed Consolidated Financial Statements, included elsewhere in this report. Operating lease obligations are in place for facilities and land on which banking facilities are located. See Note 14 of our Unaudited Interim Condensed Consolidated Financial Statements, included elsewhere in this report for additional information.

Off-Balance Sheet Items and Other Financing Arrangements

We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit, commercial letters of credit and standby letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The contractual or notional amounts of those instruments reflect the extent of involvement we have in particular classes of financial instruments.

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. We evaluate each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by Byline Bank upon extension of credit, is based on management’s credit evaluation of the counterparty. Collateral is primarily obtained in the form of commercial and residential real estate (including income producing commercial properties). At June 30, 2020, commercial line of credit usage was $1.3 billion, or 58.5% of available lines compared to $1.2 billion, or 58.7% of available lines at December 31, 2019.

Letters of credit are conditional commitments issued by Byline Bank to guarantee the performance of a customer to a third-party. Those guarantees are primarily issued to support public and private borrowing arrangements, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

Commitments to make loans are generally made for periods of 90 days or less. The fixed rate loan commitments have interest rates ranging from 1.25% to 18.00% and maturities up to 2050. Variable rate loan commitments have interest rates ranging from 1.25% to 10.00% and maturities up to 2048.

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Our exposure to credit loss in the event of non-performance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual or notional amount of those instruments. We use the same credit policies in making commitments and conditional obligations as for funded instruments. We do not anticipate any material losses as a result of the commitments and standby letters of credit.

We enter into interest rate swaps that are used to manage differences in the amount, timing, and duration of our known or expected cash receipts and its known or expected cash payments principally related to certain variable rate borrowings. We also enter into interest rate swaps with certain qualified borrowers to facilitate the borrowers’ risk management strategies and concurrently entered into mirror-image derivatives with a third party counterparty.

We recognize derivative financial instruments at fair value regardless of the purpose or intent for holding the instrument. We record derivative assets and derivative liabilities on the Consolidated Statements of Financial Condition within other assets and other liabilities, respectively. Because the derivative assets and liabilities recorded on the balance sheet at June 30, 2020 do not represent the amounts that may ultimately be paid under these contracts, these assets and liabilities are listed in the table below (dollars in thousands):

	June 30, 2020
			Fair Value
	Notional		Asset		Liability
Interest rate contracts—pay fixed, receive floating	$	—	$	—	$	—
Other interest rate swaps—pay fixed, receive floating		373,862		20,084		21,370
Other credit derivatives		8,870		—		23

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GAAP Reconciliation and Management Explanation of Non-GAAP Financial Measures

Some of the financial measures included in our “Selected Financial Data” are not measures of financial performance in accordance with GAAP. Our management uses the non‑GAAP financial measures set forth below in its analysis of our performance:

• “Adjusted net income” and “adjusted diluted earnings per share” exclude certain significant items, which include incremental income tax benefit related to the reversal of the valuation allowance on our net deferred tax assets, incremental income tax benefit related to Illinois corporate income tax rate increases, incremental income tax expense or benefit related to federal corporate income tax reductions, impairment charges on assets held for sale, merger-related expenses, and core system conversion expenses adjusted for applicable income tax. Management believes the significant items are not indicative of or useful to measure the Company’s operating performance on an ongoing basis.

• “Adjusted non-interest expense” is non-interest expense excluding certain significant items, which include impairment charges on assets held for sale, merger-related expenses, and core system conversion expenses.

• “Adjusted efficiency ratio” is adjusted non-interest expense less amortization of intangible assets divided by net interest income and non-interest income. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Adjusted non-interest expense to average assets” is adjusted non-interest expense divided by average assets. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Adjusted return on average stockholders’ equity” is adjusted net income divided by average stockholders’ equity. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Adjusted return on average assets” is adjusted net income divided by average assets. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Non-interest income to total revenues” is non-interest income divided by net interest income plus non-interest income. Management believes that it is standard practice in the industry to present non-interest income as a percentage of total revenue. Accordingly, management believes providing these measures may be useful for peer comparison.

• “Pre‑tax pre‑provision net income” is pre‑tax income plus the provision for loan and lease losses. Management believes this metric is important due to the tax benefit resulting from the reversal of the net deferred tax asset valuation allowance, the decrease in the federal corporate income tax rate, and the increase in the Illinois state corporate income tax rate. The metric demonstrates income excluding the tax provision or benefit and the provision for loan and lease losses, and enables investors and others to assess the Company’s ability to generate capital to cover credit losses through a credit cycle.

• “Adjusted pre-tax pre-provision net income” is pre-tax pre-provision net income excluding certain significant items, which include impairment charges on assets held for sale, merger-related expenses, and core system conversion expenses. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Pre‑tax pre‑provision return on average assets” is pre-tax income plus the provision for loan and lease losses, divided by average assets. Management believes this metric is important due to the change in tax expense or benefit resulting from the recent decrease in the federal corporate income tax rate and the recent increase in the Illinois state income tax rate. The ratio demonstrates profitability excluding the tax provision or benefit and excludes the provision for loan and lease losses. “Adjusted pre-tax pre-provision return on average assets” excludes certain significant items, which include impairment charges on assets held for sale, merger-related expenses, and core system conversion expenses.

• “Tangible common equity” is defined as total stockholders’ equity reduced by preferred stock and goodwill and other intangible assets. Management does not consider servicing assets as an intangible asset for purposes of this calculation.

• “Tangible assets” is defined as total assets reduced by goodwill and other intangible assets. Management does not consider servicing assets as an intangible asset for purposes of this calculation.

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• “Tangible book value per common share” is calculated as tangible common equity, which is stockholders’ equity reduced by preferred stock and goodwill and other intangible assets, divided by total shares of common stock outstanding. Management believes this metric is important due to the relative changes in the book value per share exclusive of changes in intangible assets.

• “Tangible common equity to tangible assets” is calculated as tangible common equity divided by tangible assets, which is total assets reduced by goodwill and other intangible assets. Management believes this metric is important to investors and analysts interested in relative changes in the ratio of total stockholders’ equity to total assets, each exclusive of changes in intangible assets.

• “Tangible net income available to common stockholders” is net income available to common stockholders excluding after-tax intangible asset amortization.

• “Adjusted tangible net income available to common stockholders” is tangible net income available to common stockholders excluding certain significant items. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Return on average tangible common stockholders’ equity” is tangible net income available to common stockholders divided by average tangible common stockholders’ equity. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

• “Adjusted return on average tangible common stockholders’ equity” is adjusted tangible net income available to common stockholders divided by average tangible common stockholders’ equity. Management believes the metric is an important measure of the Company’s operating performance on an ongoing basis.

We believe that these non‑GAAP financial measures provide useful information to its management and investors that is supplementary to our financial condition, results of operations and cash flows computed in accordance with GAAP; however, we acknowledge that our non‑GAAP financial measures have a number of limitations. As such, you should not view these disclosures as a substitute for results determined in accordance with GAAP financial measures that we and other companies use. Management also uses these measures for peer comparison.

Reconciliations of Non-GAAP Financial Measures

	As of or For the Three Months Ended June 30,					As of or For the Six Months Ended June 30,
(dollars in thousands, except per share data)	2020		2019			2020			2019
Net income and earnings per share excluding    significant items
Reported Net Income	$	9,139	$	13,211		$	12,105		$	25,808
Significant items:
Impairment charges on assets held for sale		—		—			715			392
Merger-related expense		—		3,152			—			3,170
Core system conversion expense		—		394			—			1,924
Tax benefit on impairment charges and    merger-related expenses		—		(842	)		(199	)		(1,382	)
Adjusted Net Income	$	9,139	$	15,915		$	12,621		$	29,912
Reported Diluted Earnings per Share	$	0.24	$	0.34		$	0.31		$	0.68
Significant items:
Impairment charges on assets held for sale		—		—			0.02			0.01
Merger-related expense		—		0.08			—			0.09
Core system conversion expense		—		0.01			—			0.05
Tax benefit on impairment charges and    merger-related expenses		—		(0.02	)		(0.01	)		(0.04	)
Adjusted Diluted Earnings per Share	$	0.24	$	0.41		$	0.32		$	0.79

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	As of or For the Three Months Ended June 30,					As of or For the Six Months Ended June 30,
(dollars in thousands, except per share data)	2020		2019			2020			2019
Adjusted non-interest expense:
Non-interest expense	$	37,012	$	43,954		$	80,539		$	84,633
Less significant items:
Impairment charges on assets held for sale		—		—			715			392
Merger-related expense		—		3,152			—			3,170
Core system conversion expense		—		394			—			1,924
Adjusted non-interest expense	$	37,012	$	40,408		$	79,824		$	79,147
Adjusted non-interest expense excluding amortization of    intangible assets:
Adjusted non-interest expense	$	37,012	$	40,408		$	79,824		$	79,147
Less: Amortization of intangible assets		1,892		1,959			3,785			3,732
Adjusted non-interest expense excluding amortization of        intangible assets	$	35,120	$	38,449		$	76,039		$	75,415
Pre-tax pre-provision net income:
Pre-tax income	$	12,867	$	18,286		$	16,883		$	35,681
Add: Provision for loan and lease losses		15,518		6,391			29,973			10,390
Pre-tax pre-provision net income	$	28,385	$	24,677		$	46,856		$	46,071
Adjusted pre-tax pre-provision net income:
Pre-tax pre-provision net income	$	28,385	$	24,677		$	46,856		$	46,071
Impairment charges on assets held for sale		—		—			715			392
Merger-related expense		—		3,152			—			3,170
Core system conversion expense		—		394			—			1,924
Adjusted pre-tax pre-provision net income	$	28,385	$	28,223		$	47,571		$	51,557
Total revenues:
Net interest income	$	52,609	$	54,448		$	105,434		$	104,533
Add: non-interest income		12,788		14,183			21,961			26,171
Total revenues	$	65,397	$	68,631		$	127,395		$	130,704
Tangible common stockholders' equity:
Total stockholders' equity	$	780,935	$	717,675		$	780,935		$	717,675
Less: Preferred stock		10,438		10,438			10,438			10,438
Less: Goodwill and other intangibles		176,470		181,546			176,470			181,546
Tangible common stockholders' equity	$	594,027	$	525,691		$	594,027		$	525,691
Tangible assets:
Total assets	$	6,393,518	$	5,391,236		$	6,393,518		$	5,391,236
Less: Goodwill and other intangibles		176,470		181,546			176,470			181,546
Tangible assets	$	6,217,048	$	5,209,690		$	6,217,048		$	5,209,690
Average tangible common stockholders' equity:
Average total stockholders' equity	$	775,879	$	696,928		$	770,653		$	678,146
Less: Average preferred stock		10,438		10,438			10,438			10,438
Less: Average goodwill and other intangibles		177,440		175,236			178,428			168,120
Average tangible common stockholders' equity	$	588,001	$	511,254		$	581,787		$	499,588
Average tangible assets:
Average total assets	$	6,186,974	$	5,274,820		$	5,876,463		$	5,120,122
Less: Average goodwill and other intangibles		177,440		175,236			178,428			168,120
Average tangible assets	$	6,009,534	$	5,099,584		$	5,698,035		$	4,952,002
Tangible net income available to common stockholders:
Net income available to common stockholders	$	8,944	$	13,016		$	11,714		$	25,417
Add: After-tax intangible asset amortization		1,365		1,413			2,731			2,692
Tangible net income available to common stockholders	$	10,309	$	14,429		$	14,445		$	28,109
Adjusted Tangible net income available to common stockholders:
Tangible net income available to common stockholders	$	10,309	$	14,429		$	14,445		$	28,109
Impairment charges on assets held for sale		—		—			715			392
Merger-related expense		—		3,152			—			3,170
Core system conversion expense		—		394			—			1,924
Tax benefit on significant items		—		(842	)		(199	)		(1,382	)
Adjusted tangible net income available to common stockholders	$	10,309	$	17,133		$	14,961		$	32,213

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	As of or For the Three Months Ended June 30,						As of or For the Six Months Ended June 30,
(dollars in thousands, except share and per share data)	2020			2019			2020			2019
Pre-tax pre-provision return on average assets:
Pre-tax pre-provision net income	$	28,385		$	24,677		$	46,856		$	46,071
Average total assets		6,186,974			5,274,820			5,876,463			5,120,122
Pre-tax pre-provision return on average assets		1.85	%		1.88	%		1.60	%		1.81	%
Adjusted pre-tax pre-provision return on average assets:
Adjusted pre-tax pre-provision net income	$	28,385		$	28,223		$	47,571		$	51,557
Average total assets		6,186,974			5,274,820			5,876,463			5,120,122
Adjusted pre-tax pre-provision return on average assets:		1.85	%		2.15	%		1.63	%		2.03	%
Non-interest income to total revenues:
Non-interest income	$	12,788		$	14,183		$	21,961		$	26,171
Total revenues		65,397			68,631			127,395			130,704
Non-interest income to total revenues		19.56	%		20.67	%		17.24	%		20.02	%
Adjusted non-interest expense to average assets:
Adjusted non-interest expense	$	37,012		$	40,408		$	79,824		$	79,147
Average total assets		6,186,974			5,274,820			5,876,463			5,120,122
Adjusted non-interest expense to average assets		2.41	%		3.07	%		2.73	%		3.12	%
Adjusted efficiency ratio:
Adjusted non-interest expense excluding amortization        of intangible assets	$	35,120		$	38,449		$	76,039		$	75,415
Total revenues		65,397			68,631			127,395			130,704
Adjusted efficiency ratio		53.70	%		56.02	%		59.69	%		57.70	%
Adjusted return on average assets:
Adjusted net income	$	9,139		$	15,915		$	12,621		$	29,912
Average total assets		6,186,974			5,274,820			5,876,463			5,120,122
Adjusted return on average assets		0.59	%		1.21	%		0.43	%		1.18	%
Adjusted return on average stockholders' equity:
Adjusted net income	$	9,139		$	15,915		$	12,621		$	29,912
Average stockholders' equity		775,879			696,928			770,653			678,146
Adjusted return on average stockholders' equity		4.74	%		9.16	%		3.29	%		8.90	%
Tangible common equity to tangible assets:
Tangible common equity	$	594,027		$	525,691		$	594,027		$	525,691
Tangible assets		6,217,048			5,209,690			6,217,048			5,209,690
Tangible common equity to tangible assets		9.55	%		10.09	%		9.55	%		10.09	%
Return on average tangible common stockholders' equity:
Tangible net income available to common stockholders	$	10,309		$	14,429		$	14,445		$	28,109
Average tangible common stockholders' equity		588,001			511,254			581,787			499,588
Return on average tangible common stockholders' equity:		7.05	%		11.32	%		4.99	%		11.35	%
Adjusted return on average tangible common stockholders' equity:
Adjusted tangible net income available to common stockholders	$	10,309		$	17,133		$	14,961		$	32,213
Average tangible common stockholders' equity		588,001			511,254			581,787			499,588
Adjusted return on average tangible common stockholders' equity		7.05	%		13.44	%		5.17	%		13.00	%
Tangible book value per share:
Tangible common equity	$	594,027		$	525,691		$	594,027		$	525,691
Common shares outstanding		38,388,217			38,115,219			38,388,217			38,115,219
Tangible book value per share	$	15.47		$	13.79		$	15.47		$	13.79

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Forward-Looking Statements

This report contains certain “forward-looking statements” within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Any statements about Byline’s expectations, beliefs, plans, strategies, predictions, forecasts, objectives or assumptions of future events or performance are not historical facts and may be forward-looking. These statements are often, but not always, made through the use of words or phrases such as “anticipates,” “believes,” “expects,” “can,” “could,” “may,” “predicts,” “potential,” “opportunity,” “should,” “will,” “estimate,” “plans,” “projects,” “continuing,” “ongoing,” “expects,” “seeks,” “intends” and similar words or phrases. Accordingly, these statements involve estimates, known and unknown risks, assumptions and uncertainties that could cause actual strategies, actions or results to differ materially from those expressed in such statements, and are not guarantees of future results or other events or performance. Because forward-looking statements are necessarily only estimates of future strategies, actions or results, based on management’s current expectations, assumptions and estimates on the date hereof, and there can be no assurance that actual strategies, actions or results will not differ materially from expectations, readers are cautioned not to place undue reliance on such statements.

Our ability to predict results or the actual effects of future plans, strategies or events is inherently uncertain. Factors which could cause actual results or conditions to differ materially from those reflected in forward-looking statements include:

• the current and potential disruption to and impact on our business, capital, employees, financial condition, liquidity, operations, prospects and results of operations, including a decrease in revenue and an increase in expenses, as well as the trading price of our common stock as a result of the economic and other consequences, including the severity and duration, of the COVID-19 pandemic;

• uncertainty regarding geopolitical developments and the United States and global economic outlook that may impact market conditions or affect demand for certain banking products and services, including as a result of the disruption of global, national, state and local economies associated with the COVID-19 pandemic, as well as federal, state and local government responses thereto, and the impact on our customers, which could impair the ability of our borrowers to repay outstanding loans and leases, impair collateral values and further increase our allowance for loan and lease losses, as well as result in possible goodwill impairment charges;

• unforeseen credit quality problems or changing economic conditions that could result in charge-offs greater than we have anticipated in our allowance for loan and lease losses or changes in the value of our investments;

• commercial real estate market conditions in the Chicago metropolitan area and southern Wisconsin;

• deterioration in the financial condition of our borrowers resulting in significant increases in our loan and lease losses and provisions for those losses and other related adverse impacts to our results of operations and financial condition, including as a result of the COVID-19 pandemic;

• estimates of fair value of certain of our assets and liabilities, which could change in value significantly from period to period;

• competitive pressures in the financial services industry relating to both pricing and loan and lease structures, which may impact our growth rate;

• unanticipated developments in pending or prospective loan and/or lease transactions or greater-than-expected pay downs or payoffs of existing loans and leases;

• inaccurate information and assumptions in our analytical and forecasting models used to manage our loan and lease portfolio;

• unanticipated changes in monetary policies of the Federal Reserve or significant adjustments in the pace of, or market expectations for, future interest rate changes, including changes in response to the COVID-19 pandemic or otherwise;

• availability of sufficient and cost-effective sources of liquidity, funding, and capital as and when needed;

• our ability to attract, retain or the loss of key personnel or an inability to recruit appropriate talent cost-effectively;

• adverse effects on our information technology systems resulting from failures, human error or cyberattack, including the potential impact of disruptions or security breaches at our third-party service providers, any of which could result in an information or security breach, the disclosure or misuse of confidential or proprietary information, significant legal and financial losses and reputational harm;

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• greater-than-anticipated costs to support the growth of our business, including investments in new lines of business, products and services, or technology, process improvements or other infrastructure enhancements, or greater-than-anticipated compliance or regulatory costs and burdens;

• the impact of possible future acquisitions, if any, including the costs and burdens of integration efforts;

• the ability of the Company to receive dividends from Byline Bank;

• legislative or regulatory changes, particularly changes in regulation of financial services companies and/or the products and services offered by financial services companies, including those changes that are in response to the COVID-19 pandemic, including without limitation the CARES Act and the rules and regulations that may be promulgated thereunder;

• changes in Small Business Administration (“SBA”) and U.S. Department of Agriculture (“USDA”) U.S. government guaranteed lending rules, regulations, loan and lease products and funding limits, including specifically the SBA Section 7(a) program, including as a result of the COVID-19 pandemic, as well as, changes in SBA or USDA standard operating procedures or changes to the status of Byline Bank as an SBA Preferred Lender;

• changes in accounting principles, policies and guidelines applicable to bank holding companies and banking generally;

• the impact of a possible change in the federal or state income tax rate on our deferred tax assets and provision for income tax expense;

• our ability to implement our growth strategy, including via acquisitions;

• the possibility that any of the anticipated benefits of acquisitions will not be realized or will not be realized within the expected time period;

• the risk that the integration of acquisition operations will be materially delayed or will be more costly or difficult than expected;

• the effect of mergers on customer relationships and operating results; and

• other risks detailed from time to time in filings we make with the SEC.

These risks and uncertainties should be considered in evaluating any forward-looking statements, and undue reliance should not be placed on such statements. Forward looking statements speak only as of the date they are made. You should also consider the risks, assumptions and uncertainties set forth in the “Risk Factors” section of this Form 10-Q, in our Annual Report on Form 10-K for the year ended December 31, 2019 and in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2020, and the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section of this Form 10-Q, as well as those set forth in the reports we file with the SEC. We assume no obligation to update any of these statements in light of new information, future events or otherwise unless required under the federal securities laws.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Our primary market risk is interest rate risk, which is defined as the risk of loss of net interest income or net interest margin because of changes in interest rates.

We seek to measure and manage the potential impact of interest rate risk. Interest rate risk occurs when interest-earning assets and interest-bearing liabilities mature or re-price at different times, on a different basis or in unequal amounts. Interest rate risk also arises when our assets, liabilities and off-balance sheet contracts each respond differently to changes in interest rates, including as a result of explicit and implicit provisions in agreements related to such assets and liabilities and in off-balance sheet contracts that alter the applicable interest rate and cash flow characteristics as interest rates change. The two primary examples of such provisions that we are exposed to are the duration and rate sensitivity associated with indeterminate-maturity deposits (e.g., non-interest-bearing checking accounts, negotiable order of withdrawal accounts, savings accounts and money market deposits accounts) and the rate of prepayment associated with fixed-rate lending and mortgage-backed securities. Interest rates may also affect loan demand, credit losses, and other items affecting earnings.

We are also exposed to interest rate risk through the retained portion of the U.S. government guaranteed loans we make and the related servicing rights. Our U.S. government guaranteed loan portfolio is comprised primarily of SBA 7(a) loans, virtually all of which are quarterly or monthly adjustable with the prime rate. The SBA portfolio reacts differently in a rising rate environment than our other non-guaranteed portfolios. Generally, when interest rates rise, the prepayments in the SBA portfolio tend to increase.

Our management of interest rate risk is overseen by our bank’s asset liability committee, and is chaired by Byline Bank’s Treasurer, based on a risk management infrastructure approved by our board of directors that outlines reporting and measurement requirements. In particular, this infrastructure sets limits and management targets, calculated monthly, for various metrics, including our economic value sensitivity, our economic value of equity and net interest income simulations involving parallel shifts in interest rate curves, steepening and flattening yield curves, and various prepayment and deposit duration assumptions. Our risk management infrastructure also requires a periodic review of all key assumptions used, such as identifying appropriate interest rate scenarios, setting loan prepayment rates based on historical analysis, non-interest-bearing and interest-bearing demand deposit durations based on historical analysis and the targeted investment term of capital.

We manage the interest rate risk associated with our interest-bearing liabilities by managing the interest rates and tenors associated with our wholesale borrowing sources and deposits from our customers that we rely on for funding. In particular, from time to time we use special offers on deposits to alter the interest rates and tenors associated with our interest-bearing liabilities. We manage the interest rate risk associated with our interest-earning assets by managing the interest rates and tenors associated with our investment and loan portfolios, from time to time purchasing and selling investment securities.

In addition, we manage our interest rate risk under different dynamic scenarios which we believe provides important information for our net interest income projections.  This simulation allows us to monitor and seek to protect earnings in various interest rate cycles.

We utilize interest rate swaps to hedge our interest rate exposure on commercial loans when it meets our clients’ and Byline Bank’s needs. Typically, customer interest rate swaps are for terms of more than five years. As of June 30, 2020, we had a notional amount of $373.9 million of interest rate swaps outstanding. The overall effectiveness of our hedging strategies is subject to market conditions, the quality of our execution, the accuracy of our valuation assumptions, the associated counterparty credit risk and changes in interest rates.

We do not engage in speculative trading activities relating to interest rates, foreign exchange rates, commodity prices, equities or credit.

We are also subject to credit risk. Credit risk is the risk that borrowers or counterparties will be unable or unwilling to repay their obligations in accordance with the underlying contractual terms. We manage and control credit risk in the loan and lease portfolio by adhering to well-defined underwriting criteria and account administration standards established by management and overseen by the Bank’s loan committee. Written credit policies document underwriting standards, approval levels, exposure limits and other limits or standards deemed necessary and prudent. Portfolio diversification at the obligor, industry, product and/or geographic location levels is actively managed to mitigate concentration risk. In addition, credit risk management also includes an independent credit review process that assesses compliance with commercial, real estate and other credit policies, risk ratings, and other critical credit information. In addition to implementing risk management practices

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that are based upon established and sound lending practices, we adhere to sound credit principles. We understand and evaluate our customers’ borrowing needs and capacity to repay, in conjunction with their character and history.

Evaluation of Interest Rate Risk

We use a net interest income simulation model to measure and evaluate potential changes in our net interest income. We run various hypothetical interest rate scenarios at least monthly and compare these results against a scenario with no changes in interest rates. Our net interest income simulation model incorporates various assumptions, which we believe are reasonable but which may have a significant impact on results such as: (1) the timing of changes in interest rates, (2) shifts or rotations in the yield curve, (3) re-pricing characteristics for market-rate-sensitive instruments on and off balance sheet, (4) differing sensitivities of financial instruments due to differing underlying rate indices, (5) the effect of interest rate limitations in our assets, such as floors and caps, (6) the effect of our interest rate swaps and (7) overall growth and repayment rates and product mix of assets and liabilities. Because of limitations inherent in any approach used to measure interest rate risk, simulation results are not intended as a forecast of the actual effect of a change in market interest rates on our results but rather as a means to better plan and execute appropriate asset-liability management strategies and manage our interest rate risk.

Potential changes to our net interest income in hypothetical rising and declining rate scenarios calculated as of June 30, 2020 is presented in the following table. The projections assume (1) immediate, parallel shifts downward of the yield curve of 100 basis points and immediate, parallel shifts upward of the yield curve of 100, 200, 300 and 400 basis points and (2) gradual shift downward of 100 basis points over 12 months and gradual shifts upward of 100 and 200 basis points over 12 months. In the current interest rate environment, a downward shift of the yield curve of 200, 300, and 400 basis points does not provide us with meaningful results. In a downward parallel shift of the yield curve, interest rates at the short-end of the yield curve are not modeled to decline any further than 0%. For the dynamic balance sheet and rate shift scenarios, we assume interest rates follow a forward yield curve and then increase it by 1/12th of the total change in rates each month for twelve months.

	Estimated Increase (Decrease) in Net Interest Income
	Twelve Months Ending			Twelve Months Ending
Change in Market Interest Rates as of June 30, 2020	June 30, 2021			June 30, 2022
Immediate Shifts
+400 basis points		18.1	%		30.6	%
+300 basis points		13.6	%		23.5	%
+200 basis points		9.0	%		15.9	%
+100 basis points		4.0	%		7.4	%
-100 basis points		(2.3	)%		(3.9	)%
Dynamic Balance Sheet and Rate Shifts
+200 basis points		5.3	%
+100 basis points		2.3	%
-100 basis points		(0.9	)%

The results of this simulation analysis are hypothetical, and a variety of factors might cause actual results to differ substantially from what is depicted. For example, if the timing and magnitude of interest rate changes differ from those projected, our net interest income might vary significantly. Non-parallel yield curve shifts such as a flattening or steepening of the yield curve or changes in interest rate spreads, would also cause our net interest income to be different from that depicted. An increasing interest rate environment could reduce projected net interest income if deposits and other short-term liabilities re-price faster than expected or faster than our assets re-price. Actual results could differ from those projected if we grow assets and liabilities faster or slower than estimated, if we experience substantially different repayment speeds in our loan portfolio than those assumed in the simulation model, if we experience a net outflow of deposit liabilities or if our mix of assets and liabilities otherwise changes.

These simulation results do not contemplate all the actions that we may undertake in response to potential or actual changes in interest rates, such as changes to our loan, investment, deposit, funding or hedging strategies.

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Item 4. Controls and Procedures.

The Company’s management, including our President and Chief Executive Officer and our Chief Financial Officer, have evaluated the effectiveness of our “disclosure controls and procedures” (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”)), as of the end of the period covered by this report. Based on such evaluation, our President and Chief Executive Officer and our Chief Financial Officer have concluded that, as of June 30, 2020, the Company’s disclosure controls and procedures were effective to provide reasonable assurance that the information required to be disclosed by the Company in the reports it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC and is accumulated and communicated to the Company’s management, including our President and Chief Executive Officer and our Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control Over Financial Reporting

There was no change in our internal control over financial reporting during the quarter ended June 30, 2020, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

The design of any system of controls and procedures is based in part upon certain assumptions about the likelihood of future events. There can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions, regardless of how remote.

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PART II-OTHER INFORMATION

Item 1. Legal Proceedings.

We operate in a highly regulated environment. From time to time we are a party to various litigation matters incidental to the conduct of our business. We are not presently party to any legal proceedings the resolution of which we believe would have a material adverse effect on our business, prospects, financial condition, liquidity, results of operation, cash flows or capital levels.

Item 1A. Risk Factors.

Other than as noted below, there have been no material changes to the risk factors previously disclosed in the “Risk Factors” section included in our Form 10-K for our fiscal year ended December 31, 2019 that was filed with the SEC on March 12, 2020 or Quarterly Report on Form 10-Q for the quarter ended March 31, 2020 that was filed with the SEC on May 5, 2020:

The COVID-19 pandemic is adversely affecting us, our business, employees, customers, counterparties and third-party service providers, and the ultimate extent of the impacts on our business, financial position, results of operations, liquidity and prospects is uncertain.

Coronavirus disease 2019 known as COVID-19, which has been identified as a pandemic by the World Health Organization, is causing worldwide health and other concerns as well as significant economic disruption in the United States and globally. In March 2020, U.S. President Trump declared a public health and national emergency due to COVID-19, which resulted in mandatory stay-at-home orders in most U.S. states, including Illinois and Wisconsin. While the scope, duration and full effects of the pandemic are not fully known, the pandemic and its associated impacts have had, are currently having and may for some time continue to have a destabilizing and negative effect on U.S. and global financial and capital markets. The pandemic has impacted interest rates, increased economic and market uncertainty, disrupted trade and supply chains, increased unemployment levels, decreased consumer confidence generally and has generally caused significant disruption in global, national and local economic and business activity.

The ultimate extent of the impact of the pandemic on our business, cash flows, financial condition, liquidity, results of operations, customer confidence, profitability and growth prospects will depend on continuing and future developments related to the virus, which are highly uncertain and cannot be predicted, including new information that may emerge concerning the severity of the pandemic, and governmental, regulatory and private sector actions and responses taken to contain or prevent further spread. Continued deterioration in general business and economic conditions, including further increases in unemployment rates, or turbulence in U.S. or global financial markets could adversely affect our revenues and the values of our assets and liabilities, reduce the availability of funding, lead to a tightening of credit, and further increase stock price volatility. These and other potential impacts of epidemics, pandemics or other outbreaks of an illness, disease or virus could therefore materially and adversely affect our business, revenue, operations, financial condition, liquidity, results of operations and prospects. If the response and efforts to contain COVID-19 prove to be unsuccessful, any such material adverse effects may be exacerbated.

The pandemic could cause us to experience higher credit losses in our loan and lease portfolio, impairment of our goodwill and other financial assets, reduced demand for our products and services, and other negative impacts on our financial position, results of operations, and prospects. The effects of COVID-19 could be particularly pronounced with respect to certain sectors of our loan portfolio, and we have identified certain industries that we believe have shown early impact as a result of the COVID-19 pandemic. If the effects of COVID-19 result in widespread and sustained repayment shortfalls on loans in our portfolio, we could incur significant delinquencies, foreclosures and credit losses, particularly if the available collateral is insufficient to cover our exposure. Significant loan losses could adversely impact Byline Bank’s capital ratios, which could prevent Byline Bank from paying dividends to the Company, which dividends—along with cash on hand—are used to service our debt obligations.

We have approved COVID-19 related payment deferals on certain loans and leases primarily relating to our commercial banking customers. We have also assisted our customers’ cash flow needs by waiving or refunding certain fees, including early withdrawal fees on time deposits. These programs may negatively impact our revenue and other results of operations in the near term and, if not effective in mitigating the effect of COVID-19 on our customers, may adversely affect our business and results of operations more substantially over a longer period of time.

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Due in large part to actions taken by the Federal Reserve to lower interest rates in response to the severe financial market reaction to the COVID-19 outbreak, market interest rates have declined significantly. We expect that these reductions in interest rates, especially if prolonged, will adversely affect our net interest income, margins, lending activity and profitability. Our assets and liabilities may be significantly impacted by changes in interest rates.

Our business is dependent upon the willingness and ability of our customers to conduct banking and other financial transactions. The spread of COVID-19 has and is likely to continue to disrupt the business, activities, and operations of our customers, cause a decline in demand for our products and services, including loans and deposits, which may result in a significant decrease in business and could negatively impact our liquidity position, our growth strategy and our ability to make payments under our debt obligations as they become due. Our financial results could also be impacted due to an inability of our customers to meet their loan and lease commitments because of their losses associated with impacts of the virus, and could result in an increased risk of loan and lease delinquencies, defaults, foreclosures, declining collateral values and a general inability of our borrowers to repay their loans and leases. In addition, the financial and other information we receive from and about our customers that we rely on in extending or renewing credit and monitoring our loan portfolio may have changed significantly and no longer be accurate, which could affect our ability to timely and accurately manage our credit risk. Any or all of these factors could necessitate an increase in our allowance for loan and lease losses, which would negatively impact our earnings and results of operations. Moreover, current and future governmental actions may temporarily require us to conduct business related to foreclosures, repossessions, payments, deferrals and other customer-related transactions differently, which may result in an increase in expenses and a decrease in net income.

Our workforce has been, is, and may continue to be impacted by COVID-19, and no assurance can be given that the precautions we have taken to protect our employees and customers will be adequate or appropriate, nor can we predict the level of disruption which will occur to our employees’ ability to provide customer support and service over an extended period of time. The continued spread of the virus and social distancing mandate could also negatively impact the availability of key personnel and employee productivity, as well as the business and operations of third-party service providers who perform critical services for us, which could adversely impact our ability to deliver products and services to our customers and continue to grow our business, which could negatively affect our reputation. Our pandemic response plan and the efforts we have taken to adapt our work and business to the current environment has resulted in and will continue to require us to incur increased expenses.

COVID-19 may heighten certain material risks relating to our business described under ‘‘Risk Factors’’ in our Annual Report on Form 10-K filed for the year ended December 31, 2019 that was filed with the SEC on March 12, 2020.

Our active participation in the PPP may subject us to litigation and compliance risk.

Changes to statutes, regulations, or regulatory policies or practices as a result of, or in response to COVID-19, could affect us in substantial and unpredictable ways. Federal and state governments have recently enacted laws intending to stimulate the economy during this time. President Trump has signed into law three economic stimulus packages, including the $2.0 trillion Coronavirus Aid, Relief and Economic Security Act (the "CARES Act") on March 27, 2020, which, among other things, initiated the Paycheck Protection Program (the "PPP") under the Small Business Administration ("SBA"). On April 16, 2020, the original $349.0 billion of funding for loans to small businesses under the PPP was depleted, and on April 24, 2020 the Federal government funded an additional $310.0 billion to the PPP. As a preferred SBA lender, we assisted our customers in participating in both the initial and second round of funding appropriations approved by Congress for the PPP, which was designed to help small businesses maintain their workforce during the COVID-19 pandemic. We understand that these loans are fully guaranteed by the U.S. government and believe many of these loans will be forgiven. However, in the event of a loss resulting from a default on a PPP loan or a determination by the SBA that there was a deficiency in the manner in which the PPP loan was originated or serviced by us, which may or may not be related to an ambiguity in the laws, rules or guidance regarding the operation of the PPP, the SBA may deny its liability under the guaranty, reduce the amount of the guaranty, or, if it has already been paid under the guaranty, seek recovery of any loss related to the deficiency from us. In addition, there can be no assurance that the PPP borrowers will ultimately use the funds appropriately in order to qualify for forgiveness under the program. In addition, the PPP forgiveness requirements and terms remain uncertain and subject to change.

        Since the opening of the PPP, several other banks have been subject to litigation regarding the process and procedures that such banks followed in accepting and processing applications for the PPP. We may be exposed to the risk of

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similar litigation, from both customers and non-customers that contacted Byline Bank regarding obtaining PPP loans with respect to the processes and procedures we used in processing applications for the PPP. If any such litigation is filed against us and is not resolved in a manner favorable to us, it may result in significant financial liability to us or adversely affect our reputation. In addition, litigation can be costly, regardless of outcome. Also, the PPP may be subject to scrutiny from federal and state enforcement authorities, oversight agencies and regulators. As a result, we also could become subject to regulatory review regarding our participation in the PPP. Any financial liability, litigation costs, reputational damage or regulatory compliance issues caused by PPP-related litigation or as a result of our participation in the PPP could have a material adverse impact on our reputation, business, financial condition and results of operations.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

On November 1, 2019, the Company announced that its Board of Directors approved a stock repurchase program authorizing the purchase of up to an aggregate of 1,250,000 shares of the Company’s outstanding common stock. The program will be in effect until December 31, 2020 unless terminated earlier. The Company determined to pause the program in March 2020. Accordingly, no shares were repurchases during the second quarter of 2020. The total remaining authorization under the program was 1,131,514 shares as of June 30, 2020.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

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Item 6. Exhibits.

	EXHIBIT
Number	Description
3.1	Amended and Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Company’s Registration Statement on Form S-1, as amended (File No. 333-218362) filed on June 19, 2017 and incorporated herein by reference)
3.2	Amended and Restated Bylaws (filed as Exhibit 3.2 to the Company’s Registration Statement on Form S-1, as amended (File No. 333-218362) filed on June 19, 2017 and incorporated herein by reference)
3.3	Certificate of Designations of Noncumulative Perpetual Preferred Stock, Series A (filed as Exhibit 3.3 to the Company’s Registration Statement on Form S-1, as amended (File No. 333-218362) filed on June 19, 2017 and incorporated herein by reference)
3.4	Form of Repurchase Agreement for Noncumulative Perpetual Preferred Stock, Series A (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K (File No. 001-38139) filed on July 17, 2017 and incorporated herein by reference)
3.5	Certificate of Elimination of Noncumulative Perpetual Preferred Stock, Series A (filed as Exhibit 3.5 to the Company’s Quarterly Report on Form 10-Q (file No. 001-38139) filed on August 13, 2018 and incorporated herein by reference)
3.6	Certificate of Designations of 7.50% Fixed-to-Floating Noncumulative Perpetual Preferred Stock, Series B (filed as Exhibit 3.4 to the Company’s Registration Statement on Form S-1, as amended (File No. 333-218362) filed on June 19, 2017 and incorporated herein by reference)
4.1	Certain instruments defining the rights of holders of long-term debt securities of the registrant and its subsidiaries are omitted pursuant to Item 601(b)(4)(iii) of Regulation S-K. The registrant hereby undertakes to furnish to the SEC, upon request, copies of any such instruments.
10.1#	Change in Control Severance Agreement with Brogan Ptacin dated as of August 7, 2018
31.1	Certification of the Chief Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, and Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of the Chief Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, and Section 302 of the Sarbanes-Oxley Act of 2002
32.1(a)	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	Financial information from the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020, formatted in Inline XBRL interactive data files pursuant to Rule 405 of Regulation S-T: (i) Consolidated Statements of Condition; (ii) Consolidated Statements of Operations; (iii) Consolidated Statements of Comprehensive Income (Loss); (iv) Consolidated Statements of Changes in Stockholders’ Equity; (v) Consolidated Statements of Cash Flows; and (vi) Notes to Consolidated Financial Statements
104	Cover Page Interactive Data File – the cover page XBRL tags are embedded with the Inline XBRL document.

(a) This exhibit shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

# Denotes management contract or compensatory plan.

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SIGNATURES

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.

	Byline Bancorp, Inc.
Date:  August 10, 2020	By:	/s/	Alberto J. Paracchini
			Alberto J. Paracchini
			President and Chief Executive Officer
			(Principal Executive Officer)
Date:  August 10, 2020	By:	/s/	Lindsay Corby
			Lindsay Corby
			Executive Vice President and Chief Financial Officer
			(Principal Financial and Accounting Officer)

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EX-10.1

EXHIBIT 10.1

August 7, 2018

Brogan Ptacin

ReChange in Control Severance

Dear Brogan:

On behalf of Byline Bank (“Byline Bank”), we are pleased to provide you with change in control severance protection pursuant to the terms of this letter agreement (“Letter Agreement” or “Agreement”).  Capitalized terms not defined in the body of this Letter Agreement shall have the meanings set forth on the attachment hereto, which is incorporated herein by reference (the “Attachment”).

If your employment is terminated by Byline Bank without Cause (and not due to Disability) or by you for Good Reason at any time on or within one (1) year after a Change in Control (each, a “Qualifying Termination”), Byline Bank shall pay you severance payments in the aggregate amount of $500,000.00 (the “Change in Control Severance Benefits”), subject to your compliance with the terms of this Letter Agreement.  The Change in Control Severance Benefit shall be payable in substantially equal installments in accordance with normal payroll policies over a period commencing on the Termination Date and continuing for twelve (12) months thereafter.

Your entitlement to receive any Change in Control Severance Benefits under this Letter Agreement is subject to your (i) compliance with any confidentiality or restrictive covenant obligations set forth in any written agreement between you and Byline Bancorp, Inc. (“Byline”) or Byline Bank, including but not limited to, the Agreement Protecting Company Interests (such confidentiality and restrictive covenants, the “Restrictive Covenants”); (ii) delivery to Byline Bank of an executed general release of claims in a form satisfactory to Byline Bank (“Release”) within twenty-one (21) (or forty-five (45), if applicable)  days of presentation thereof by Byline Bank to you; and (iii) delivery to Byline Bank of resignation from all offices, directorships and fiduciary positions with Byline Bank, its affiliates and employee benefit plans.  Anything in this Letter Agreement to the contrary notwithstanding, to the extent that any payment conditioned upon such effective Release is deferred compensation under Section 409A of the Internal Revenue Code and the period during which you have discretion to execute or revoke the Release straddles two calendar years, then Byline Bank will make or commence, as may apply, such payments on the earliest practicable date in such second year after the Release becomes effective.

To the extent you are otherwise entitled to cash severance payments or severance benefits (other than retention bonuses) pursuant to any other agreement, plan or arrangement with, or maintained by Byline or Byline Bank, in connection with a Qualifying Termination (any such agreement, plan or arrangement, an “Existing Severance Agreement”), you shall only be entitled to the Change in Control Severance Benefits hereunder in lieu of any other severance payments or severance benefits under such Existing Severance Arrangements.

If you violate any Restrictive Covenants, then, in addition to any other remedies Byline or Byline Bank is entitled to seek for your breach of agreement, (i) Byline Bank shall not have any further obligation

August 7, 2018

Page 2

to pay any unpaid portion of the Change in Control Severance Benefits, and all such future installments of Change in Control Severance Benefits shall be forfeited; and (ii) you shall promptly return to Byline Bank the after-tax value of any portion of the Change in Control Severance Benefits that you received from Byline Bank.

You hereby agree that you will keep the terms of this Letter Agreement confidential, and will not, except as required by law, disclose such terms to any person other than your immediate family or legal or financial advisers (who also must keep the terms of this Letter Agreement confidential).

Byline Bank may withhold from all payments due to you under this Letter Agreement all taxes which, by applicable federal, state, local, or other law, Byline Bank is required to withhold therefrom.

This Letter Agreement is binding upon and shall inure to the benefit of you and your heirs, executors, assigns and administrators or your estate and property.  You may not assign or transfer to others your rights or obligation to perform your duties hereunder.

This Letter Agreement shall inure to the benefit of and be binding upon any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of Byline or Byline Bank (each a “Successor”). As used in this Letter Agreement, the terms Byline and Byline Bank will mean Byline or Byline Bank as defined herein, respectively, and any Successor thereof.

No provisions of this Letter Agreement may be amended, modified, waived or discharged except by a written document signed by you and a duly authorized officer of Byline Bank.  Failure by Byline Bank or you to insist upon strict compliance with any of the terms, covenants, or conditions hereof shall not be deemed a waiver of such terms, covenants, and conditions.

The obligations of Byline Bank under this Letter Agreement with respect to payment of the Change in Control Severance Benefits and your rights with respect thereto shall be subject to the provisions relating to Code Sections 280G and 409A, and to the Regulatory Provisions, set forth on the Attachment.

The validity, interpretation, construction and performance of this Letter Agreement will be governed by the laws of the State of Illinois, without giving effect to its conflicts of law principles. Any claims brought by you or Byline or Byline Bank under this Letter Agreement shall be subject to arbitration as set forth in the Attachment.

Byline Bank is an at-will employer.  Neither this Letter Agreement nor your employment by Byline Bank constitutes a guarantee of continued employment or a specific term of employment.  In the event your employment with Byline Bank terminates for any reason prior to the date of a Change in Control, no Change in Control Severance Benefits shall become payable under this Letter Agreement.

This Letter Agreement may be executed in counterparts and a facsimile or electronic copy of the original may be used in lieu of the original at any time and for any purpose.

August 7, 2018

Page 3

Please sign the enclosed copy of this Letter Agreement where indicated and return it to me.  

Sincerely,

BYLINE BANK

By:/s/ Alberto J. Paracchini

Its:President and Chief Executive Officer

Accepted and agreed to this
28th day of August, 2018

/s/ Brogan Ptacin
Brogan Ptacin

Attachment

ATTACHMENT TO LETTER AGREEMENTREGARDING CHANGE IN CONTROL SEVERANCE

definitions

For purposes of the Letter Agreement, “Disability,” “Cause,” “Change in Control,” “Good Reason” and “Termination Date” shall be defined as follows:

“Disability” shall mean you are unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than 12 months.

“Cause” shall mean:  (A) your willful and continued failure to perform substantially your duties (after written notice and a reasonable period to cure); (B) your willfully engaging in illegal conduct, an act of dishonesty or gross misconduct related to the performance of your duties and responsibilities; (C) your being charged with a crime involving moral turpitude, dishonesty, fraud, theft or financial impropriety; (D) your willful violation of a material requirement of any code of ethics or standards of conduct of Byline or Byline Bank applicable to you (after written notice and a reasonable period to cure, if curable) or your violation of your fiduciary duty to Byline or Byline Bank; or (E) a breach of any provision of the Agreement Protecting Company Interests.  Any such termination for Cause shall be predicated by notice to you describing the particulars of such “for Cause” termination.

“Change in Control” shall mean the first to occur, of:

(A) Any “person” (as such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended), other than (i) a trustee or other fiduciary holding securities under an employee benefit plan of Byline or a subsidiary, or (ii) a corporation owned directly or indirectly by the stockholders of Byline in substantially the same proportions as their ownership of stock of Byline, is or becomes the “beneficial owner” (as defined in Rule 13d‑3 under said Act), directly or indirectly, of securities of Byline representing more than 50% of both (x) the total voting power of the then outstanding shares of capital stock of Byline entitled to vote generally in the election of directors (the “Voting Stock”) and (y) the fair market value of the outstanding shares of capital stock of Byline (“Economic Stock”);

(B) Consummation of a reorganization, merger or consolidation, the sale or other disposition of all or substantially all of the assets of Byline (in each such case, a “Business Combination”), unless all or substantially all of the individuals and entities who were the beneficial owners, respectively, of both the Voting Stock and the Economic Stock immediately prior to such Business Combination beneficially own, directly or indirectly, more than 50% of either (x) the total voting power represented by the voting securities entitled to vote generally in the election of directors of the corporation resulting from the Business Combination or (y) the total fair market value represented by all the voting and nonvoting equity securities of the corporation resulting from the Business Combination (in each such case including, without limitation, an entity which as a result of the Business Combination owns Byline or all or substantially all of Byline’s assets either directly or through one or more subsidiaries) in substantially the same proportions as their ownership, immediately prior to the Business Combination, of the Voting Stock and Economic Stock (combined) of Byline; or

(C) The stockholders of Byline approve a plan of complete liquidation or dissolution of Byline.

A-1

The Board of Directors of Byline has final authority to construe and interpret the provisions of the foregoing paragraphs (A), (B), and (C) and to determine whether, and the exact date on which, a “Change in Control” has been deemed to have occurred thereunder.

“Good Reason” shall mean the occurrence of any of the following without your written consent:  (A) any material reduction in your base salary from your base salary as in effect on the date of the Change in Control; (B) any material adverse change by Byline Bank in your duties or responsibilities from those in effect immediately prior to the Change in Control; or (C) Byline Bank’s requirement that you relocate your principal place of employment to a location in excess of thirty-five (35) miles from your primary office location as of the date of the Change in Control; provided, “Good Reason” shall not exist unless and until you provide Byline and Byline Bank with written notice of the acts alleged to constitute Good Reason within thirty (30) days of the initial occurrence of such event, and Byline Bank fails to cure such acts within thirty (30) days of receipt of such notice.  You must terminate your employment within ninety (90) days following the initial occurrence of such event for the termination to be on account of Good Reason.

“Termination Date” means the date of termination of your employment with Byline and Byline Bank.

Code Section 280G – Reduction to Avoid Excise Tax on Golden Parachute Payments.

If the payments and benefits provided for in this Agreement or under any other agreement, plan or program or otherwise payable to you constitute “parachute payments” within the meaning of Section 280G of the Internal Revenue Code (“Code”) and would be subject to the excise tax imposed by Section 4999 of the Code, then such payments and benefits shall be reduced to the extent necessary to assure that the payments and benefits provided to you under this Agreement will be limited to the amount of payments and benefits that can be provided without triggering a parachute payment under Section 280G.  To the extent that reduction of any payments and benefits is required by this paragraph such that no portion of such payments and benefits will be subject to the excise tax imposed by Section 4999, the aggregate amount of the Change in Control Severance Benefits shall be reduced and such reduced amount, if any, shall become the Change in Control Severance Benefits payable under this Letter Agreement.

Code Section 409A – Separation from Service and Specified Employee Status

A termination of employment shall not be deemed to have occurred for purposes of a Qualifying Termination for which the Change in Control Severance Benefits may be payable unless such termination is also a “separation from service” within the meaning of Section 409A and, for purposes of any such provision of this Letter Agreement, references to a “termination,” “termination of employment” or like terms shall mean “separation from service.”  If you are deemed a “specified employee” within the meaning of Section 409A on the Termination Date, then any Change in Control Severance Benefits payable to you under this Letter Agreement during the first six months and one day following the Termination Date that constitute nonqualified deferred compensation within the meaning of Section 409A shall not be paid until the date that is six (6) months and one day following such termination to the extent necessary to avoid adverse tax consequences under Section 409A, and, if such payments are required to be so deferred, the first payment shall be in an amount equal to the total amount to which you would otherwise have been entitled to during the period following the Termination Date if such deferral had not been required.  For purposes of Section 409A, your right to receive installment payments pursuant to this Letter Agreement shall be treated as a right to receive a series of separate and distinct payments.

A-2

Regulatory Provisions

Any Change in Control Severance Benefits made to you pursuant to this Letter Agreement, or otherwise, are subject to and conditioned upon compliance with 12 U.S.C. §1828(k) and FDIC Regulation 12 CFR Part 359, regarding “golden parachute payments” and “prohibited indemnification payments.”

Arbitration

To the fullest extent permitted by law, all claims that you may have against Byline or Byline Bank (or any other released party under the Release), or which Byline or Byline Bank may have against you, in any way related to the subject matter, interpretation, application, or alleged breach of this Agreement (“Arbitrable Claims”) shall be resolved by binding arbitration in Chicago, Illinois.  The Arbitration will be held pursuant to the American Arbitration Association’s Commercial Rules and Mediation Procedures (other than for large or complex disputes).  The decision of the arbitrator shall be in writing and shall include a statement of the essential conclusions and findings upon which the decision is based.  Arbitration shall be final and binding upon the parties and shall be the exclusive remedy for all Arbitrable Claims.  Either party may bring an action in a court situated in Cook County, Illinois to compel arbitration under this Agreement and to enforce an arbitration award.  Otherwise, neither party shall initiate or prosecute any lawsuit or administrative action in any way related to any Arbitrable Claim.  Notwithstanding the foregoing, either party may, in the event of an actual or threatened breach of this Agreement (including but not limited to the provisions of the Agreement to Protect Company Interests), seek a temporary restraining order or injunction in a court situated in Cook County, Illinois restraining such breach pending a determination on the merits by the arbitrator.  THE PARTIES HEREBY WAIVE ANY RIGHTS THEY MAY HAVE TO TRIAL BY JURY IN REGARD TO ARBITRABLE CLAIMS, INCLUDING WITHOUT LIMITATION ANY RIGHT TO TRIAL BY JURY AS TO THE MAKING, EXISTENCE, VALIDITY, OR ENFORCEABILITY OF THE AGREEMENT TO ARBITRATE.

A-3

EX-31.1

EXHIBIT 31.1

Certification of Chief Executive Officer

Pursuant to Rules 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934

and Section 302 of the Sarbanes-Oxley Act of 2002

I, Alberto J. Paracchini, certify that:

1.I have reviewed this quarterly report on Form 10-Q (the “Report”) of Byline Bancorp, Inc. (the “Registrant”):

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 functions):

 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 10, 2020
	/s/ Alberto J. Paracchini
	Alberto J. Paracchini
	President and Chief Executive Officer
	(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

Certification of Chief Financial Officer

Pursuant to Rules 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934

and Section 302 of the Sarbanes-Oxley Act of 2002

I, Lindsay Corby, certify that:

1.I have reviewed this quarterly report on Form 10-Q (the “Report”) of Byline Bancorp, Inc. (the “Registrant”):

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 functions):

 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 10, 2020
	/s/ Lindsay Corby
	Lindsay Corby
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATIONS 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 Byline Bancorp, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, the Chief Executive Officer and Chief Financial Officer of the Company, each hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his or her knowledge:

1.The Report fully complies with the requirements of Sections 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 results of operations of the Company.

/s/	Alberto J. Paracchini
	Alberto J. Paracchini
	President and Chief Executive Officer
	(Principal Executive Officer)
	August 10, 2020
/s/	Lindsay Corby
	Lindsay Corby
	Executive Vice President & Chief Financial Officer
	(Principal Financial Officer)
	August 10, 2020

XML

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Aug. 07, 2020
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Trading Symbol	BY
Entity Registrant Name	Byline Bancorp, Inc.
Entity Central Index Key	0001702750
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Interactive Data Current	Yes
Document Quarterly Report	true
Document Transition Report	false
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-38139
Entity Tax Identification Number	36-3012593
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	180 North LaSalle Street
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60601
City Area Code	773
Local Phone Number	244-7000
Entity Common Stock, Shares Outstanding		38,411,842
Title of each class	Common Stock
Name of each exchange on which registered	NYSE

XML

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks	$ 51,818	$ 48,228
Interest bearing deposits with other banks	88,113	32,509
Cash and cash equivalents	139,931	80,737
Equity and other securities, at fair value	8,181	8,031
Securities available-for-sale, at fair value	1,426,871	1,186,292
Securities held-to-maturity, at amortized cost (fair value at June 30, 2020—$4,582, December 31, 2019—$4,498)	4,404	4,412
Restricted stock, at cost	6,232	22,127
Loans held for sale	3,031	11,732
Loans and leases:
Loans and leases	4,391,122	3,785,661
Allowance for loan and lease losses	(51,300)	(31,936)
Net loans and leases	4,339,822	3,753,725
Servicing assets, at fair value	18,351	19,471
Premises and equipment, net	95,546	96,140
Other real estate owned, net	8,652	9,896
Goodwill and other intangible assets, net	176,470	180,255
Bank-owned life insurance	9,896	9,750
Deferred tax assets, net	37,082	38,315
Accrued interest receivable and other assets	119,049	100,926
Total assets	6,393,518	5,521,809
LIABILITIES
Non-interest-bearing demand deposits	1,768,675	1,279,641
Interest-bearing deposits	3,189,670	2,867,936
Total deposits	4,958,345	4,147,577
Other borrowings	510,414	539,638
Subordinated notes, net	48,777
Junior subordinated debentures issued to capital trusts, net	36,206	37,334
Accrued interest payable and other liabilities	58,841	47,145
Total liabilities	5,612,583	4,771,694
STOCKHOLDERS’ EQUITY
Preferred stock	10,438	10,438
Common stock	381	379
Additional paid-in capital	583,307	580,965
Retained earnings	168,444	159,033
Accumulated other comprehensive income (loss), net of tax	20,033	(700)
Treasury stock, at cost	(1,668)
Total stockholders’ equity	780,935	750,115
Total liabilities and stockholders’ equity	$ 6,393,518	$ 5,521,809
Preferred shares par value	$ 0.01	$ 0.01
Preferred shares authorized	50,000	50,000
Preferred shares issued	10,438	10,438
Preferred shares outstanding	10,438	10,438
Common shares par value	$ 0.01	$ 0.01
Common shares authorized	150,000,000	150,000,000
Common shares issued	38,506,703	38,256,500
Common shares outstanding	38,388,217	38,256,500
Treasury common shares	118,486

XML

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Statement Of Financial Position [Abstract]
Securities held-to-maturity, fair value	$ 4,582	$ 4,498

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
INTEREST AND DIVIDEND INCOME
Interest and fees on loans and leases	$ 50,153	$ 59,524	$ 104,311	$ 113,907
Interest on securities	7,530	6,665	15,546	12,767
Other interest and dividend income	222	571	1,214	1,196
Total interest and dividend income	57,905	66,760	121,071	127,870
INTEREST EXPENSE
Deposits	4,246	9,306	12,050	17,382
Other borrowings	476	2,265	2,373	4,431
Subordinated notes and debentures	574	741	1,214	1,524
Total interest expense	5,296	12,312	15,637	23,337
Net interest income	52,609	54,448	105,434	104,533
PROVISION FOR LOAN AND LEASE LOSSES	15,518	6,391	29,973	10,390
Net interest income after provision for loan and lease losses	37,091	48,057	75,461	94,143
NON-INTEREST INCOME
Total non-interest income	12,788	14,183	21,961	26,171
ATM and interchange fees	845	945	2,061	1,662
Net gains on sales of securities available-for-sale		973	1,375	973
Change in fair value of equity securities, net	766	551	147	1,050
Net gains on sales of loans	6,456	7,472	11,229	13,705
Wealth management and trust income	608	626	1,277	1,221
Other non-interest income	389	768	781	1,664
NON-INTEREST EXPENSE
Salaries and employee benefits	19,405	23,652	44,071	46,544
Occupancy and equipment expense, net	5,359	5,069	10,883	10,018
Loan and lease related expenses	1,260	1,841	2,571	3,418
Legal, audit and other professional fees	2,078	2,981	4,412	5,047
Data processing	2,826	3,849	5,491	6,993
Net loss recognized on other real estate owned and other related expenses	456	252	975	448
Other intangible assets amortization expense	1,892	1,959	3,785	3,732
Other non-interest expense	3,736	4,351	8,351	8,433
Total non-interest expense	37,012	43,954	80,539	84,633
INCOME BEFORE PROVISION FOR INCOME TAXES	12,867	18,286	16,883	35,681
PROVISION FOR INCOME TAXES	3,728	5,075	4,778	9,873
NET INCOME	9,139	13,211	12,105	25,808
Dividends on preferred shares	195	195	391	391
INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 8,944	$ 13,016	$ 11,714	$ 25,417
EARNINGS PER COMMON SHARE
Basic	$ 0.24	$ 0.35	$ 0.31	$ 0.69
Diluted	$ 0.24	$ 0.34	$ 0.31	$ 0.68
Fees and Service Charges on Deposits [Member]
NON-INTEREST INCOME
Total non-interest income	$ 1,455	$ 1,441	$ 3,128	$ 3,211
Loan Servicing Revenue [Member]
NON-INTEREST INCOME
Total non-interest income	2,980	2,630	5,738	5,169
Loan Servicing Asset Revaluation [Member]
NON-INTEREST INCOME
Total non-interest income	$ (711)	$ (1,223)	$ (3,775)	$ (2,484)

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Other Comprehensive Income [Abstract]
Net income	$ 9,139	$ 13,211	$ 12,105	$ 25,808
Securities available-for-sale
Unrealized holding gains arising during the period	13,402	12,328	30,067	20,962
Reclassification adjustments for net gains included in net income		(973)	(1,375)	(973)
Tax effect	(3,732)	(3,405)	(7,990)	(5,700)
Net of tax	9,670	7,950	20,702	14,289
Cash flow hedges
Unrealized holding losses arising during the period		(3,417)		(5,234)
Reclassification adjustments for net losses (gains) included in net income	21	(575)	42	(1,280)
Tax effect	(6)	1,113	(11)	1,815
Net of tax	15	(2,879)	31	(4,699)
Total other comprehensive income	9,685	5,071	20,733	9,590
Comprehensive income	$ 18,824	$ 18,282	$ 32,838	$ 35,398

XML

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2018	$ 650,672,000	$ 10,438,000	$ 361,000	$ 546,849,000	$ 102,522,000	$ (9,498,000)
Beginning balance, shares at Dec. 31, 2018		10,438	36,343,239
Net income	12,597,000				12,597,000
Other comprehensive income (loss), net of tax	4,519,000					4,519,000
Issuance of common stock upon exercise of stock options	636,000		$ 1,000	635,000
Issuance of common stock upon exercise of stock options, shares			50,662
Restricted stock activity, shares			(8,500)
Issuance of common stock in connection with employee stock purchase plan	291,000			291,000
Issuance of common stock in connection with employee stock purchase plan, shares			12,743
Cumulative-effect adjustment (ASU 2016-01)					1,440,000	(1,440,000)
Cash dividends declared on preferred stock	(196,000)				(196,000)
Share-based compensation expense	230,000			230,000
Ending balance at Mar. 31, 2019	668,749,000	$ 10,438,000	$ 362,000	548,005,000	116,363,000	(6,419,000)
Ending balance, shares at Mar. 31, 2019		10,438	36,398,144
Beginning balance at Dec. 31, 2018	650,672,000	$ 10,438,000	$ 361,000	546,849,000	102,522,000	(9,498,000)
Beginning balance, shares at Dec. 31, 2018		10,438	36,343,239
Net income	25,808,000
Other comprehensive income (loss), net of tax	9,590,000
Cumulative-effect adjustment (ASU 2016-01)	(1,440,000)
Ending balance at Jun. 30, 2019	717,675,000	$ 10,438,000	$ 378,000	578,828,000	129,379,000	(1,348,000)
Ending balance, shares at Jun. 30, 2019		10,438	38,115,219
Beginning balance at Dec. 31, 2018	650,672,000	$ 10,438,000	$ 361,000	546,849,000	102,522,000	(9,498,000)
Beginning balance, shares at Dec. 31, 2018		10,438	36,343,239
Ending balance at Dec. 31, 2019	750,115,000	$ 10,438,000	$ 379,000	580,965,000	159,033,000	(700,000)
Ending balance, shares at Dec. 31, 2019		10,438	38,256,500
Beginning balance at Mar. 31, 2019	668,749,000	$ 10,438,000	$ 362,000	548,005,000	116,363,000	(6,419,000)
Beginning balance, shares at Mar. 31, 2019		10,438	36,398,144
Net income	13,211,000				13,211,000
Other comprehensive income (loss), net of tax	5,071,000					5,071,000
Issuance of common stock upon exercise of stock options	1,669,000		$ 1,000	1,668,000
Issuance of common stock upon exercise of stock options, shares			116,048
Issuance of common stock due to business combination,net of issuance costs	28,892,000		$ 15,000	28,877,000
Issuance of common stock due to business combination, net of issuance costs, shares			1,464,558
Restricted stock activity, shares			136,469
Cash dividends declared on preferred stock	(195,000)				(195,000)
Cash dividends declared on common stock ($0.03 per share)	0
Share-based compensation expense	278,000			278,000
Ending balance at Jun. 30, 2019	717,675,000	$ 10,438,000	$ 378,000	578,828,000	129,379,000	(1,348,000)
Ending balance, shares at Jun. 30, 2019		10,438	38,115,219
Net income	15,342,000				15,342,000
Other comprehensive income (loss), net of tax	2,309,000					2,309,000
Issuance of common stock upon exercise of stock options	54,000			54,000
Issuance of common stock upon exercise of stock options, shares			3,472
Issuance cost in connection with business combination	(157,000)			(157,000)
Restricted stock activity, shares			36,350
Issuance of common stock in connection with employee stock purchase plan	289,000			289,000
Issuance of common stock in connection with employee stock purchase plan, shares			14,085
Cash dividends declared on preferred stock	(196,000)				(196,000)
Share-based compensation expense	550,000			550,000
Ending balance at Sep. 30, 2019	735,866,000	$ 10,438,000	$ 378,000	579,564,000	144,525,000	961,000
Ending balance, shares at Sep. 30, 2019		10,438	38,169,126
Net income	15,852,000				15,852,000
Other comprehensive income (loss), net of tax	(1,661,000)					(1,661,000)
Issuance of common stock upon exercise of stock options	787,000			787,000
Issuance of common stock upon exercise of stock options, shares			71,029
Restricted stock activity			$ 1,000	(1,000)
Restricted stock activity, shares			16,345
Cash dividends declared on preferred stock	(196,000)				(196,000)
Cash dividends declared on common stock ($0.03 per share)	(1,148,000)				(1,148,000)
Share-based compensation expense	615,000			615,000
Ending balance at Dec. 31, 2019	750,115,000	$ 10,438,000	$ 379,000	580,965,000	159,033,000	(700,000)
Ending balance, shares at Dec. 31, 2019		10,438	38,256,500
Net income	2,966,000				2,966,000
Other comprehensive income (loss), net of tax	11,048,000					11,048,000
Issuance of common stock upon exercise of stock options	677,000		$ 1,000	676,000
Issuance of common stock upon exercise of stock options, shares			55,402
Restricted stock activity, shares			174,036
Issuance of common stock in connection with employee stock purchase plan	268,000			268,000
Issuance of common stock in connection with employee stock purchase plan, shares			15,569
Cash dividends declared on preferred stock	(196,000)				(196,000)
Cash dividends declared on common stock ($0.03 per share)	(1,151,000)				(1,151,000)
Repurchase of common stock	(1,668,000)						$ (1,668,000)
Repurchase of common stock, shares			(118,486)
Share-based compensation expense	608,000			608,000
Ending balance at Mar. 31, 2020	762,667,000	$ 10,438,000	$ 380,000	582,517,000	160,652,000	10,348,000	(1,668,000)
Ending balance, shares at Mar. 31, 2020		10,438	38,383,021
Beginning balance at Dec. 31, 2019	750,115,000	$ 10,438,000	$ 379,000	580,965,000	159,033,000	(700,000)
Beginning balance, shares at Dec. 31, 2019		10,438	38,256,500
Net income	12,105,000
Other comprehensive income (loss), net of tax	20,733,000
Ending balance at Jun. 30, 2020	780,935,000	$ 10,438,000	$ 381,000	583,307,000	168,444,000	20,033,000	(1,668,000)
Ending balance, shares at Jun. 30, 2020		10,438	38,388,217
Beginning balance at Mar. 31, 2020	762,667,000	$ 10,438,000	$ 380,000	582,517,000	160,652,000	10,348,000	(1,668,000)
Beginning balance, shares at Mar. 31, 2020		10,438	38,383,021
Net income	9,139,000				9,139,000
Other comprehensive income (loss), net of tax	9,685,000					9,685,000
Issuance of common stock upon exercise of stock options	56,000			56,000
Issuance of common stock upon exercise of stock options, shares			5,196
Restricted stock activity			$ 1,000	(1,000)
Cash dividends declared on preferred stock	(195,000)				(195,000)
Cash dividends declared on common stock ($0.03 per share)	(1,152,000)				(1,152,000)
Share-based compensation expense	735,000			735,000
Ending balance at Jun. 30, 2020	$ 780,935,000	$ 10,438,000	$ 381,000	$ 583,307,000	$ 168,444,000	$ 20,033,000	$ (1,668,000)
Ending balance, shares at Jun. 30, 2020		10,438	38,388,217

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Statement Of Stockholders Equity [Abstract]
Dividends per share	$ 0.03	$ 0.03	$ 0.03

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended						6 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 9,139	$ 2,966	$ 15,852	$ 15,342	$ 13,211	$ 12,597	$ 12,105	$ 25,808
Adjustments to reconcile net income to net cash from operating activities:
PROVISION FOR LOAN AND LEASE LOSSES	15,518				6,391		29,973	10,390
Impairment loss on assets held for sale							715	392
Depreciation and amortization of premises and equipment							3,207	3,260
Change in fair value of equity securities, net							(147)	(1,050)
Net amortization of securities							2,772	1,191
Net gains on sales of securities available-for-sale					(973)		(1,375)	(973)
Net loss on disposal of premises and equipment							172
Net gains on sales of assets held for sale								(13)
Net gains on sales of loans	(6,456)				(7,472)		(11,229)	(13,705)
Originations of U.S. government guaranteed loans							(133,322)	(140,780)
Proceeds from U.S. government guaranteed loans sold							127,571	133,061
Accretion of premiums and discounts on acquired loans, net							(6,843)	(10,069)
Net change in servicing assets							1,120	(67)
Net valuation adjustments on other real estate owned	302				79		765	163
Net (gains) losses on sales of other real estate owned	(3)				(6)		(85)	27
Other intangible assets amortization expense	1,892				1,959		3,785	3,732
Amortization of time deposit premium							(37)	(111)
Amortization of subordinated notes issuance cost							2
Accretion of junior subordinated debentures discount							260	291
Share-based compensation expense							1,343	508
Deferred tax provision, net of valuation							1,233	908
Increase in cash surrender value of bank owned life insurance							(146)	(188)
Loss on redemption of junior subordinated debentures							112
Changes in assets and liabilities:
Accrued interest receivable							(1,895)	(2,942)
Other assets							5,233	(12,109)
Accrued interest payable							(1,707)	957
Accrued expenses and other liabilities							9,715	(9,731)
Net cash provided by (used in) operating activities							43,297	(11,050)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of securities available-for-sale							(469,896)	(149,176)
Proceeds from maturities and calls of securities available-for-sale							111,981	34,174
Proceeds from paydowns of securities available-for-sale							99,367	41,976
Proceeds from sales of securities available-for-sale							45,417	59,594
Purchases of Federal Home Loan Bank stock							(49,165)	(19,935)
Federal Home Loan Bank stock repurchases							65,060	16,614
Net change in loans and leases							(609,709)	(94,259)
Purchases of premises and equipment							(3,401)	(1,413)
Proceeds from sales of assets held for sale								514
Proceeds from sales of other real estate owned							650	874
Net cash received in acquisition of business								4,306
Proceeds from bank owned life insurance death benefit							69
Net cash used in investing activities							(809,627)	(106,731)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposits							810,805	20,267
Proceeds from short-term borrowings							4,901,800	3,509,180
Repayments of short-term borrowings							(5,387,800)	(3,445,135)
Proceeds from Paycheck Protection Program Liquidity Facility advances							449,889
Proceeds from subordinated notes, net							48,775
Repayments of junior subordinated debentures							(1,500)
Net increase in securities sold under agreements to repurchase							6,887	(1,281)
Dividends paid on preferred stock							(391)	(391)
Dividends paid on common stock							(2,274)
Proceeds from issuance of common stock upon exercise of stock options							733	2,305
Proceeds from issuance of common stock							268	291
Repurchases of common stock							(1,668)
Net cash provided by financing activities							825,524	85,236
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS							59,194	(32,545)
CASH AND CASH EQUIVALENTS, beginning of period		$ 80,737		$ 89,315		$ 121,860	80,737	121,860	$ 121,860
CASH AND CASH EQUIVALENTS, end of period	$ 139,931		$ 80,737		$ 89,315		139,931	89,315	$ 80,737
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for interest							17,119	22,200
Cash paid during the period for taxes							3,309	9,507
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Transfer of securities from held-to-maturity to available-for-sale								94,837
Reclassification of equity and other securities								6,609
Delayed payments of mortgage-backed securities							300	841
Due from counterparties							49,409	34,226
Total assets acquired from acquisition								323,914
Value ascribed to goodwill								17,461
Total liabilities assumed from acquisition								305,892
Common stock issued due to acquisition of business								$ 29,320
Common dividend declared, not paid							$ 1,177

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Basis of Presentation

6 Months Ended

Jun. 30, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Basis of Presentation

Note 1—Basis of Presentation

These unaudited interim condensed consolidated financial statements include the accounts of Byline Bancorp, Inc., a Delaware corporation (the “Company,” “Byline,” “we,” “us,” “our”), a bank holding company whose principal activity is the ownership and management of its Illinois state chartered subsidiary bank, Byline Bank (the “Bank”), based in Chicago, Illinois.

These unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the Securities and Exchange Commission (“SEC”). In preparing these financial statements, the Company has evaluated events and transactions subsequent to June 30, 2020 for potential recognition or disclosure. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation of the financial position and results of operations for the periods presented have been included. Certain information in footnote disclosures normally included in financial statements prepared in accordance with GAAP has been condensed or omitted pursuant to the rules and regulations of the SEC and the accounting standards for interim financial statements. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Consolidated Financial Statements for the years ended December 31, 2019, 2018, and 2017.

In accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 855, “Subsequent Events,” the Company’s management has evaluated subsequent events for potential recognition or disclosure through the date of the issuance of these consolidated financial statements.

The Company has one reportable segment. The Company’s chief operating decision maker evaluates the operations of the Company using consolidated information for purposes of allocating resources and assessing performance. Therefore, segments disclosures are not required.

No subsequent events were identified that would have required a change to the consolidated financial statements or disclosure in the notes to the consolidated financial statements.

Certain prior period amounts have been reclassified to conform to current period presentation. These reclassifications did not result in any changes to previously reported net income or stockholders’ equity.

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Accounting Pronouncements Recently Adopted or Issued

6 Months Ended

Jun. 30, 2020

Accounting Changes And Error Corrections [Abstract]

Accounting Pronouncements Recently Adopted or Issued

Note 2—Accounting Pronouncements Recently Adopted or Issued

The following reflect recent accounting pronouncements that have been adopted or are pending adoption by the Company. As the Company qualifies as an emerging growth company and has elected the extended transition period for complying with new or revised accounting pronouncements, it is not subject to new or revised accounting standards applicable to public companies during the extended transition period. The accounting pronouncements pending adoption below reflect effective dates for the Company as an emerging growth company with the extended transition period.

Adopted Accounting Pronouncement

Nonrefundable Fees and Other Costs (Subtopic 310‑20)—In March 2017, FASB issued ASU No. 2017‑08, Receivables—Nonrefundable Fees and Other Costs. The amendments in the ASU shorten the amortization period for certain callable debt securities held at a premium at the earliest call date. Under current GAAP, the Company amortizes the premium as an adjustment of yield over the contractual life of the instrument. As a result, upon exercise of a call on a callable debt security held at a premium, the unamortized premium is charged to earnings. The ASU shortens the amortization period for certain callable debt securities held at a premium and requires the premium to be amortized to the earliest call date. However, the amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. The amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. The Company is required to apply the amendments on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Given our emerging growth status, the Company adopted these amendments on January 1, 2020 in conjunction with ASU No. 2017-08, which did not have a material impact on the Company’s Consolidated Financial Statements.

Issued Accounting Pronouncements Pending Adoption

Leases (Topic 842)—In February 2016, FASB issued ASU No. 2016‑02, Leases. The amendments in this ASU require lessees to recognize the following for all leases (with the exception of short-term) at the commencement date: a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and 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. The amendments in this ASU leave lessor accounting largely unchanged, although certain targeted improvements were made to align lessor accounting with the lessee accounting model. This ASU simplifies the accounting for sale and leaseback transactions primarily because lessees must recognize lease assets and lease liabilities. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company is evaluating the new guidance and its impact on the Company’s Consolidated Statements of Operations and Consolidated Statements of Financial Condition. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of this ASU for entities not classified as Public Business Entities (PBEs). Our status as an emerging growth company makes us eligible for this deferral. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2020, and interim periods with fiscal years beginning after December 15, 2021. The Company expects an increase in assets and liabilities as a result of recognizing additional right-of-use assets and liabilities under lease contracts in which the Company is lessee. While the Company has not quantified the impact of this ASU on its direct financing lease portfolio, it does not expect a material change in its accounting for the initial direct costs related to these leases.

Financial Instruments—Credit Losses (Topic 326)—In June 2016, FASB issued ASU No. 2016‑13, Measurement of Credit Losses on Financial Instruments. Current GAAP requires an “incurred loss” methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. The main objective of this ASU 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 amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The amendments in this ASU require a financial asset (or group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses will be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. The amendments in this ASU broaden the information that an entity must consider in developing its expected credit loss estimate for assets measured either collectively or individually. The use of forecasted information incorporates more timely information in the estimate of expected credit loss, which will be more useful to users of the financial statements. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of the ASU for entities not classified as PBEs. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is in the process of implementation and determining the impact that this ASU will have on the Company’s Consolidated Financial Statements.

Income Taxes (Topic 740)—In December 2019, FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes.  The amendments in the ASU simplify the accounting for income taxes by removing the following:   the exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; the exception to the requirement to or not to recognize a deferred tax liability for a foreign entity when it becomes an equity method investment or it becomes a subsidiary, respectively; and the exception to the general methodology for calculating income taxes in an interim period when a  year-to-date loss exceeds the anticipated loss for the year.  The amendments in the ASU changes current authoritative guidance by requiring the recognition of franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax;  requiring an evaluation when a step up in the tax basis of goodwill should be considered part the of business combination; specifying that it is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that includes the

enactment date.  The amendments are effective for annual periods beginning after December 15, 2021, and interim periods within annual periods beginning after December 15, 2022.  Early adoption is permitted.  Assuming the Company remains an emerging growth company, the new authoritative guidance will be effective for reporting periods after January 1, 2022. The Company is currently evaluating the provisions of ASU No. 2019-12 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

Reference Rate Reform (Topic 848)—In March 2020, FASB issued ASU No. 2020-04, Facilitation of the Effects of Reference Rate Reform on Financial Reporting.  The amendments in the ASU provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting.  The amendments in the ASU provide optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued.  The ASU is intended to help stakeholders during the global market-wide reference rate transition period. The amendments in the ASU will be in effect for all entities as of March 12, 2020 through December 31, 2022.  The Company is currently evaluating the provisions of ASU No. 2020-04 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

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Acquisition

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Acquisition

Note 3—Acquisition

On April 30, 2019, the Company acquired all of the outstanding common stock of Oak Park River Forest Bankshares, Inc. (“Oak Park River Forest”) and its subsidiary pursuant to an Agreement and Plan of Merger, dated as of October 17, 2018 (the “OPRF Merger Agreement”). Oak Park River Forest operated one wholly owned subsidiary, Community Bank of Oak Park River Forest. Oak Park River Forest was merged with and into Byline. As a result of the merger, Oak Park River Forest’s subsidiary bank, Community Bank of Oak Park River Forest, was merged with and into Byline Bank, with Byline Bank as the surviving bank. The acquisition improves the Company’s footprint in the Chicagoland market, diversifies its commercial banking business, and strengthens the core deposit base.

At the effective time of the merger (the “OPRF Effective Time”), each share of Oak Park River Forest’s common stock was converted into the right to receive: (1) 7.9321 shares of Byline’s common stock, and (2) an amount in cash equal to $6.2 million divided by the number of outstanding shares of Oak Park River Forest common stock as of the closing date, with cash paid in lieu of any fractional shares. The per share cash consideration was based on the total $6.2 million divided by the outstanding shares of Oak Park River Forest common stock, or $33.375 per outstanding share. Based on the closing price of the Company’s common stock of $20.02, as reported by the New York Stock Exchange, and 1,464,558 shares of common stock issued with respect to the outstanding shares of Oak Park River Forest common stock, the stock consideration was valued at $29.3 million.  Options to acquire 35,870 shares of Oak Park River Forest common stock that were outstanding at the OPRF Effective Time were cancelled, at the option holders election, in exchange for a cash payment in accordance with the OPRF Merger agreement of $4.2 million, to be paid after the closing date. The value of the total merger consideration at closing was $35.5 million before issuance costs of $585,000.

The transaction resulted in goodwill of $20.2 million, which is nondeductible for tax purposes, as this acquisition was a nontaxable transaction. Goodwill represents the premium paid over the fair value of the net tangible and intangible assets acquired and reflects related synergies expected from the combined operations. The Company incurred Oak Park River Forest merger-related expenses, including acquisition advisory expenses, of $2.3 million for the year ended December 31, 2019, including $2.4 million and $2.5 million recognized in the three and six months ended June 30, 2019, respectively. Core system conversion expenses were $2.0 million related to the Oak Park River Forest acquisition for the year ended December 31, 2019.  Core system conversion expenses of $703,000 were recognized during the three and six months ended June 30, 2019. These expenses are reflected in non-interest expense on the Consolidated Statements of Operations.

The acquisition of Oak Park River Forest was accounted for using the acquisition method of accounting in accordance with ASC Topic 805. Assets acquired, liabilities assumed and consideration exchanged were recorded at their respective acquisition date fair values. Determining the fair value of assets and liabilities involves significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair value adjustments associated with this transaction were finalized during the first quarter of 2020.

The following table presents a summary of the fair values of assets acquired and liabilities assumed as of the acquisition date:

Assets
Cash and cash equivalents	$	10,469
Securities available-for-sale		30,343
Restricted stock		414
Loans		257,423
Premises and equipment		3,488
Other real estate owned		2,201
Other intangible assets		6,220
Bank-owned life insurance		3,485
Deferred tax assets, net		5,925
Other assets		1,231
Total assets acquired		321,199
Liabilities
Deposits		290,171
Line of credit		5,655
Federal Home Loan Bank advances		5,300
Accrued expenses and other liabilities		4,766
Total liabilities assumed		305,892
Net assets acquired	$	15,307
Consideration paid
Common stock (1,464,558 shares issued at $20.02 per share)		29,320
Cash paid		6,163
Total consideration paid		35,483
Goodwill	$	20,176

The following table presents the acquired non-impaired loans as of the acquisition date:  

Fair value	$	204,496
Gross contractual amounts receivable		254,755
Estimate of contractual cash flows not expected to be    collected(1)		12,987
Estimate of contractual cash flows expected to be collected		241,768

(1) Includes interest payments not expected to be collected due to loan prepayments as well as principal and interest payments not expected to be collected due to customer default.

The discount on the acquired non-impaired loans is being accreted into income over the life of the loans on an effective yield basis.  

The following table provides the unaudited pro forma information for the results of operations for the three and six months ended June 30, 2019, as if the acquisitions had occurred on January 1, 2019. The pro forma results combine the historical results of Oak Park River Forest into the Company’s Consolidated Statements of Operations, including the impact of certain acquisition accounting adjustments, which includes loan discount accretion, intangible assets amortization, deposit premium accretion, and borrowings, net of discount amortization. The pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the results that would have been obtained had the acquisition actually occurred on January 1, 2019. No assumptions have been applied to the pro forma results of operations regarding possible revenue enhancements, provision for credit losses, expense efficiencies or asset dispositions. The acquisition-related expenses that have been recognized are included in net income in the following table for the three and six months ended June 30, 2019.

	For the Three Months Ended		For the Six Months Ended
	June 30,		June 30,
	2019		2019
Total revenues (net interest income and non-interest income)	$	68,003	$	136,262
Net income	$	13,982	$	27,572
Earnings per share—basic	$	0.35	$	0.71
Earnings per share—diluted	$	0.34	$	0.70

Revenues and earnings of the acquired company since the acquisition date has not been disclosed as it is not practicable as Oak Park River Forest was merged into the Company and separate financial information is not readily available.

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Securities

6 Months Ended

Jun. 30, 2020

Investments Debt And Equity Securities [Abstract]

Securities

Note 4—Securities

The following tables summarize the amortized cost and fair values of securities available-for-sale and securities held-to-maturity as of the dates shown and the corresponding amounts of gross unrealized gains and losses:

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	30,443	$	652	$	—		$	31,095
U.S. Government agencies		137,002		865		(72	)		137,795
Obligations of states, municipalities, and political    subdivisions		120,427		4,735		(6	)		125,156
Residential mortgage-backed securities
Agency		662,424		17,566		(125	)		679,865
Non-agency		75,844		1,447		—			77,291
Commercial mortgage-backed securities
Agency		232,137		7,028		(111	)		239,054
Non-agency		30,984		237		—			31,221
Corporate securities		55,599		1,020		(341	)		56,278
Asset-backed securities		50,431		—		(1,315	)		49,116
Total	$	1,395,291	$	33,550	$	(1,970	)	$	1,426,871

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,404	$	178	$	—	$	4,582
Total	$	4,404	$	178	$	—	$	4,582

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	41,403	$	427	$	—		$	41,830
U.S. Government agencies		165,162		542		(754	)		164,950
Obligations of states, municipalities, and political    subdivisions		92,806		2,075		(49	)		94,832
Residential mortgage-backed securities
Agency		490,427		2,163		(2,354	)		490,236
Non-agency		109,501		593		(272	)		109,822
Commercial mortgage-backed securities
Agency		159,650		1,092		(1,041	)		159,701
Non-agency		31,144		130		—			31,274
Corporate securities		48,796		571		(37	)		49,330
Asset-backed securities		44,515		—		(198	)		44,317
Total	$	1,183,404	$	7,593	$	(4,705	)	$	1,186,292

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,412	$	86	$	—	$	4,498
Total	$	4,412	$	86	$	—	$	4,498

The Company did not classify securities as trading during the six months ended June 30, 2020 or during 2019.

Gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of June 30, 2020 and December 31, 2019, are summarized as follows:

			Less than 12 Months					12 Months or Longer					Total
June 30, 2020	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		3	$	27,051	$	(72	)	$	—	$	—		$	27,051	$	(72	)
Obligations of states, municipalities and    political subdivisions		3		415		(6	)		—		—			415		(6	)
Residential mortgage-backed securities
Agency		7		62,821		(119	)		542		(6	)		63,363		(125	)
Non-agency		—		—		—			—		—			—		—
Commercial mortgage-backed securities
Agency		1		10,139		(111	)		—		—			10,139		(111	)
Non-agency		—		—		—			—		—			—		—
Corporate securities		12		23,629		(341	)		—		—			23,629		(341	)
Asset-backed securities		9		43,115		(1,315	)		—		—			43,115		(1,315	)
Total		35	$	167,170	$	(1,964	)	$	542	$	(6	)	$	167,712	$	(1,970	)

			Less than 12 Months					12 Months or Longer					Total
December 31, 2019	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		8	$	49,318	$	(662	)	$	20,283	$	(92	)	$	69,601	$	(754	)
Obligations of states, municipalities and    political subdivisions		7		13,309		(45	)		1,419		(4	)		14,728		(49	)
Residential mortgage-backed securities
Agency		50		132,703		(666	)		193,363		(1,688	)		326,066		(2,354	)
Non-agency		9		36,902		(206	)		10,126		(66	)		47,028		(272	)
Commercial mortgage-backed securities
Agency		13		67,649		(563	)		32,678		(478	)		100,327		(1,041	)
Corporate securities		4		6,103		(37	)		—		—			6,103		(37	)
Asset-backed securities		8		37,738		(198	)		—		—			37,738		(198	)
Total		99	$	343,722	$	(2,377	)	$	257,869	$	(2,328	)	$	601,591	$	(4,705	)

Certain securities have fair values less than amortized cost and, therefore, contain unrealized losses. The Company evaluated the securities that had an unrealized loss for other than temporary impairment and determined all declines in value to be temporary. There were 35 securities available-for-sale with unrealized losses at June 30, 2020. There were no securities held-to-maturity with unrealized losses at June 30, 2020. The Company anticipates full recovery of amortized cost with respect to these securities by maturity, or sooner, in the event of a more favorable market interest rate environment. The Company does not intend to sell these securities and it is not more likely than not that the Company will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

The proceeds from all sales of securities available-for-sale, and the associated gains and losses, for the three and six months ended June 30, 2020 and 2019 are listed below:

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Proceeds	$	—	$	59,594	$	45,417	$	59,594
Gross gains		—		1,049		1,457		1,049
Gross losses		—		76		82		76

There were no gains or losses and $1.4 million in net gains reclassified from accumulated other comprehensive income into earnings for the three and six months ended June 30, 2020, respectively. There were $973,000 in net gains reclassified from accumulated other comprehensive income into earnings for the three and six months ended June 30, 2019.

Securities posted as collateral were $1.0 billion and $552.4 million at June 30, 2020 and December 31, 2019, respectively, of which carrying amounts of $330.9 million and $301.1 million were pledged at June 30, 2020 and December 31, 2019, respectively. At June 30, 2020 and December 31, 2019, of those pledged, the carrying amounts of securities pledged as collateral for public fund deposits were $263.5 million and $240.4 million, respectively, and for customer repurchase agreements of $62.3 million and $55.7 million, respectively. At June 30, 2020 and December 31, 2019, there were no securities pledged for advances from the Federal Home Loan Bank. Other securities were pledged for derivative positions, letters of credit and for purposes required or permitted by law. At June 30, 2020 and December 31, 2019, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

At June 30, 2020, the amortized cost and fair value of debt securities are shown by contractual 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. Securities not due at a single maturity date are shown separately. 

	Amortized Cost		Fair Value
Available-for-sale
Due in one year or less	$	30,114	$	30,390
Due from one to five years		49,382		50,805
Due from five to ten years		175,499		178,405
Due after ten years		138,907		139,840
Mortgage-backed securities		1,001,389		1,027,431
Total	$	1,395,291	$	1,426,871
Held-to-maturity
Due in one year or less	$	504	$	508
Due from one to five years		3,900		4,074
Total	$	4,404	$	4,582

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Loan and Lease Receivables

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Loan and Lease Receivables

Note 5—Loan and Lease Receivables

Outstanding loan and lease receivables as of the dates shown were categorized as follows:

	June 30,			December 31,
	2020			2019
Commercial real estate	$	1,349,297		$	1,275,058
Residential real estate		670,257			711,499
Construction, land development, and other land		246,669			279,403
Commercial and industrial		1,309,523			1,330,418
Paycheck Protection Program ("PPP")		626,593			—
Installment and other		3,684			6,484
Lease financing receivables		174,307			177,774
Total loans and leases		4,380,330			3,780,636
Net unamortized deferred fees and costs		8,271			2,289
Initial direct costs		2,521			2,736
Allowance for loan and lease losses		(51,300	)		(31,936	)
Net loans and leases	$	4,339,822		$	3,753,725

	June 30,			December 31,
	2020			2019
Lease financing receivables
Net minimum lease payments	$	188,826		$	193,359
Unguaranteed residual values		1,575			1,347
Unearned income		(16,094	)		(16,932	)
Total lease financing receivables		174,307			177,774
Initial direct costs		2,521			2,736
Lease financial receivables before allowance for    lease losses	$	176,828		$	180,510

Total loans and leases consist of originated loans and leases, acquired impaired loans and acquired non-impaired loans and leases. At June 30, 2020 and December 31, 2019, total loans and leases included the guaranteed amount of U.S. government guaranteed loans of $747.2 million and $119.8 million, respectively. At June 30, 2020 and December 31, 2019, the discount on the unguaranteed portion of U.S. government guaranteed loans was $24.5 million and $23.1 million, respectively, which are included in total loans and leases. At June 30, 2020 and December 31, 2019, installment and other loans included overdraft deposits of $304,000 and $852,000, respectively, which were reclassified as loans. At June 30, 2020 and December 31, 2019, loans and leases and loans held for sale pledged as security for borrowings were $2.6 billion and $1.8 billion, respectively.

The minimum annual lease payments for lease financing receivables as of June 30, 2020 are summarized as follows:

	Minimum Lease Payments
2020	$	36,115
2021		64,203
2022		46,052
2023		27,303
2024		12,721
Thereafter		2,432
Total	$	188,826

Originated loans and leases represent originations excluding loans initially acquired in a business combination. However, once an acquired non-impaired loan reaches its maturity date, and is re-underwritten and renewed, it is internally classified as an originated loan. Acquired impaired loans are loans acquired from a business combination with evidence of credit quality deterioration and are accounted for under ASC Topic 310-30. Acquired non-impaired loans and leases represent loans and leases acquired from a business combination without more than insignificant evidence of credit quality deterioration and are accounted for under ASC Topic 310-20. Acquired leases and revolving loans having evidence of credit quality deterioration do not qualify to be accounted for as acquired impaired loans and are accounted for under ASC Topic 310-20. The following tables summarize the balances for each respective loan and lease category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	919,510	$	126,405	$	305,041	$	1,350,956
Residential real estate		480,692		90,784		99,288		670,764
Construction, land development, and other land		219,261		4,784		21,958		246,003
Commercial and industrial		1,200,996		13,485		116,668		1,331,149
Paycheck Protection Program		611,664		—		—		611,664
Installment and other		2,714		226		818		3,758
Lease financing receivables		160,741		—		16,087		176,828
Total loans and leases	$	3,595,578	$	235,684	$	559,860	$	4,391,122

December 31, 2019	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	792,263	$	135,914	$	348,365	$	1,276,542
Residential real estate		483,072		100,223		128,527		711,822
Construction, land development, and other land		235,794		5,373		37,490		278,657
Commercial and industrial		1,160,996		16,909		153,660		1,331,565
Installment and other		5,372		249		944		6,565
Lease financing receivables		158,155		—		22,355		180,510
Total loans and leases	$	2,835,652	$	258,668	$	691,341	$	3,785,661

Acquired impaired loans—As part of the Oak Park River Forest acquisition, the Bank acquired impaired loans in the amount of $52.9 million. Refer to Note 3—Acquisition for additional information regarding the transaction. The following table presents a reconciliation of the undiscounted contractual cash flows, non-accretable difference, accretable yield, and fair value of acquired impaired loans as of the acquisition date of April 30, 2019:

Undiscounted contractual cash flows	$	74,092
Undiscounted cash flows not expected to be collected (non-accretable difference)		(11,401	)
Undiscounted cash flows expected to be collected		62,691
Accretable yield at acquisition		(9,764	)
Estimated fair value of impaired loans acquired at acquisition	$	52,927

The outstanding balance and carrying amount of all acquired impaired loans are summarized below. The balances do not include an allowance for loan and lease losses of $4.7 million and $2.8 million, at June 30, 2020 and December 31, 2019, respectively.

	June 30, 2020				December 31, 2019
	Outstanding Balance		Carrying Value		Outstanding Balance		Carrying Value
Commercial real estate	$	134,224	$	126,405	$	189,969	$	135,914
Residential real estate		95,706		90,784		151,641		100,223
Construction, land development, and other land		7,530		4,784		14,841		5,373
Commercial and industrial		17,716		13,485		23,330		16,909
Installment and other		284		226		1,099		249
Total acquired impaired loans	$	255,460	$	235,684	$	380,880	$	258,668

The following table summarizes the changes in accretable yield for acquired impaired loans for the three and six months ended June 30, 2020 and 2019: 

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Beginning balance	$	37,037		$	29,340		$	40,009		$	37,115
Additions		—			8,501			—			8,501
Accretion to interest income		(4,452	)		(5,996	)		(9,657	)		(11,245	)
Reclassification from (to) nonaccretable difference, net		(717	)		14,693			1,516			12,167
Ending balance	$	31,868		$	46,538		$	31,868		$	46,538

Acquired non-impaired loans and leases—The Company acquired non-impaired loans as part of the Oak Park River Forest acquisition in the amount of $204.5 million. Refer to Note 3—Acquisition for additional information regarding the transaction.

The unpaid principal balance and carrying value for acquired non-impaired loans and leases at June 30, 2020 and December 31, 2019 were as follows:

	June 30, 2020				December 31, 2019
	Unpaid Principal Balance		Carrying Value		Unpaid Principal Balance		Carrying Value
Commercial real estate	$	312,284	$	305,041	$	356,787	$	348,365
Residential real estate		100,571		99,288		130,412		128,527
Construction, land development, and other land		22,411		21,958		38,416		37,490
Commercial and industrial		120,626		116,668		159,599		153,660
Installment and other		840		818		971		944
Lease financing receivables		17,687		16,087		23,976		22,355
Total acquired non-impaired loans and leases	$	574,419	$	559,860	$	710,161	$	691,341

XML

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Allowance for Loan and Leases and Reserve for Unfunded Commitments

Note 6—Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments

Loans and leases considered for inclusion in the allowance for loan and lease losses include acquired non-impaired loans and leases, those acquired impaired loans with credit deterioration after acquisition, and originated loans and leases. Although all acquired loans and leases are included in the following table, only those with credit deterioration subsequent to acquisition date are included in the allowance for loan and lease losses.

The following tables summarize the balance and activity within the allowance for loan and lease losses, the components of the allowance for loan and lease losses in terms of loans and leases individually and collectively evaluated for impairment, and corresponding loan and lease balances by type for the three and six months ended June 30, 2020 and 2019 are as follows:

June 30, 2020	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Paycheck Protection Program		Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	11,851		$	2,778		$	1,004	$	24,139		$	—	$	53		$	2,015		$	41,840
Provisions		3,306			956			487		10,695			—		(17	)		91			15,518
Charge-offs		(1,088	)		(4	)		—		(4,845	)		—		—			(561	)		(6,498	)
Recoveries		41			11			—		119			—		—			269			440
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Six months ended
Beginning balance	$	7,965		$	1,990		$	610	$	19,377		$	—	$	50		$	1,944		$	31,936
Provisions		7,728			1,740			881		19,241			—		(14	)		397			29,973
Charge-offs		(1,640	)		(9	)		—		(8,803	)		—		—			(1,018	)		(11,470	)
Recoveries		57			20			—		293			—		—			491			861
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Ending balance:
Individually evaluated for    impairment	$	3,525		$	80		$	—	$	10,409		$	—	$	—		$	—		$	14,014
Collectively evaluated for    impairment		8,576			2,898			1,404		17,822			—		36			1,814			32,550
Loans acquired with deteriorated credit quality		2,009			763			87		1,877			—		—			—			4,736
Total allowance for loan and lease losses	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	36,751	$	1,805	$	4,189	$	35,545	$	—	$	—	$	—	$	78,290
Collectively evaluated for    impairment		1,187,800		578,175		237,030		1,282,119		611,664		3,532		176,828		4,077,148
Loans acquired with deteriorated credit quality		126,405		90,784		4,784		13,485		—		226		—		235,684
Total loans and leases	$	1,350,956	$	670,764	$	246,003	$	1,331,149	$	611,664	$	3,758	$	176,828	$	4,391,122

June 30, 2019	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	6,660		$	1,970		$	536	$	15,630		$	63		$	2,247		$	27,106
Provisions		2,695			(62	)		155		3,320			8			275			6,391
Charge-offs		(818	)		(9	)		—		(1,827	)		(4	)		(622	)		(3,280	)
Recoveries		397			272			—		3			—			243			915
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Six months ended
Beginning balance	$	7,540		$	1,751		$	466	$	12,932		$	49		$	2,463		$	25,201
Provisions		3,137			156			225		6,352			22			498			10,390
Charge-offs		(2,169	)		(9	)		—		(2,179	)		(4	)		(1,267	)		(5,628	)
Recoveries		426			273			—		21			—			449			1,169
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Ending balance:
Individually evaluated for    impairment	$	2,775		$	22		$	—	$	6,489		$	—		$	—		$	9,286
Collectively evaluated for    impairment		4,433			1,559			676		9,495			65			2,143			18,371
Loans acquired with deteriorated    credit quality		1,726			590			15		1,142			2			—			3,475
Total allowance for loan and lease    losses	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132

June 30, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	18,707	$	2,899	$	—	$	24,278	$	—	$	—	$	45,884
Collectively evaluated for    impairment		1,141,705		656,329		247,728		1,275,922		12,609		188,420		3,522,713
Loans acquired with deteriorated    credit quality		151,127		118,534		4,220		20,370		300		—		294,551
Total loans and leases	$	1,311,539	$	777,762	$	251,948	$	1,320,570	$	12,909	$	188,420	$	3,863,148

The Company increased the allowance for loan and lease losses by $9.5 million and $19.4 million for the three and six months ended June 30, 2020, respectively, and by $4.0 million and $5.9 million for the three and six months ended June 30, 2019, respectively. For acquired impaired loans, the Company increased the allowance for loan and lease losses by $434,000 and $2.0 million for the three and six months ended June 30, 2020, respectively, and by $629,000 and $740,000 for the three and six months ended June 30, 2019, respectively.

For loans individually evaluated for impairment, the Company increased the allowance for loan and lease losses by $579,000 and $3.3 million for the three and six months ended June 30, 2020, respectively, and by $1.7 million and $2.6 million for the three and six months ended June 30, 2019, respectively. For loans collectively evaluated for impairment, the Company increased the allowance for loan and lease losses by $8.4 million and $14.1 million for the three and six months ended June 30, 2020, respectively, and by $1.7 million and $2.6 million for the three and six months ended June 30, 2019, respectively.

An allowance for loan and lease loss allocation has not been made for Paycheck Protection Program (“PPP”) loans as the loans have a 100% SBA guarantee. On a quarterly basis, the Company assesses the collectability of its government guarantee using historical experience.

The following tables summarize the recorded investment, unpaid principal balance, and related allowance for loans and leases considered impaired as of June 30, 2020 and December 31, 2019, which exclude acquired impaired loans.  For purposes of these tables, the unpaid principal balance represents the outstanding contractual balance. Impaired loans include loans that are individually evaluated for impairment as well as troubled debt restructurings for all loan categories. The sum of non-accrual loans and loans past due 90 days still on accrual will differ from the total impaired loan amount.

June 30, 2020	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	24,950	$	91,211	$	—
Residential real estate		1,534		1,624		—
Construction, land development, and other land		4,189		4,216		—
Commercial and industrial		16,774		43,215		—
With an allowance recorded
Commercial real estate		11,801		47,249		3,525
Residential real estate		271		274		80
Commercial and industrial		18,771		59,869		10,409
Total impaired loans	$	78,290	$	247,658	$	14,014

December 31, 2019	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	16,556	$	19,808	$	—
Residential real estate		2,165		2,253		—
Construction, land development, and other land		2,644		3,000		—
Commercial and industrial		19,211		20,398		—
With an allowance recorded
Commercial real estate		9,840		10,691		2,614
Residential real estate		233		233		124
Commercial and industrial		18,092		19,285		7,952
Total impaired loans	$	68,741	$	75,668	$	10,690

The following tables summarize the average recorded investment and interest income recognized for loans and leases considered impaired, which excludes acquired impaired loans, for the six months ended:

June 30, 2020	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	20,544	$	555
Residential real estate		1,398		15
Construction, land development, and other land		3,094		220
Commercial and industrial		16,651		262
With an allowance recorded
Commercial real estate		13,402		339
Residential real estate		512		21
Commercial and industrial		22,948		746
Total impaired loans	$	78,549	$	2,158

June 30, 2019	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	8,094	$	187
Residential real estate		1,785		27
Commercial and industrial		11,583		223
With an allowance recorded
Commercial real estate		6,793		155
Residential real estate		219		4
Commercial and industrial		12,043		247
Total impaired loans	$	40,517	$	843

The following tables summarize the risk rating categories of the loans and leases considered for inclusion in the allowance for loan and lease losses calculation, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Pass	$	1,012,490	$	551,885	$	232,121	$	1,053,606	$	611,664	$	3,257	$	172,443	$	3,637,466
Watch		139,224		20,614		3,472		175,207		—		273		—		338,790
Special Mention		37,306		3,731		1,437		52,739		—		—		2,242		97,455
Substandard		35,531		3,750		4,189		36,112		—		2		1,574		81,158
Doubtful		—		—		—		—		—		—		569		569
Loss		—		—		—		—		—		—		—		—
Total	$	1,224,551	$	579,980	$	241,219	$	1,317,664	$	611,664	$	3,532	$	176,828	$	4,155,438

December 31, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Pass	$	984,881	$	584,363	$	247,775	$	1,087,856	$	6,013	$	177,696	$	3,088,584
Watch		99,803		21,856		18,181		159,282		302		8		299,432
Special Mention		27,484		3,648		4,684		26,944		—		1,799		64,559
Substandard		28,460		1,732		2,644		40,574		1		728		74,139
Doubtful		—		—		—		—		—		279		279
Loss		—		—		—		—		—		—		—
Total	$	1,140,628	$	611,599	$	273,284	$	1,314,656	$	6,316	$	180,510	$	3,526,993

The following tables summarize contractual delinquency information for acquired non-impaired and originated loans and leases by category at June 30, 2020 and December 31, 2019:

June 30, 2020	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	2,864	$	2,150	$	—	$	17,963	$	22,977	$	1,201,574	$	1,224,551
Residential real estate		2,302		349		—		1,780		4,431		575,549		579,980
Construction, land development, and    other land		—		—		—		—		—		241,219		241,219
Commercial and industrial		3,298		360		—		19,100		22,758		1,294,906		1,317,664
Paycheck Protection Program		—		—		—		—		—		611,664		611,664
Installment and other		4		36		—		2		42		3,490		3,532
Lease financing receivables		912		396		—		1,660		2,968		173,860		176,828
Total	$	9,380	$	3,291	$	—	$	40,505	$	53,176	$	4,102,262	$	4,155,438

December 31, 2019	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	14,269	$	5,153	$	—	$	12,274	$	31,696	$	1,108,932	$	1,140,628
Residential real estate		3,187		460		—		1,371		5,018		606,581		611,599
Construction, land development, and    other land		—		4,460		—		—		4,460		268,824		273,284
Commercial and industrial		7,789		3,594		—		22,151		33,534		1,281,122		1,314,656
Installment and other		133		2		—		1		136		6,180		6,316
Lease financing receivables		585		532		—		475		1,592		178,918		180,510
Total	$	25,963	$	14,201	$	—	$	36,272	$	76,436	$	3,450,557	$	3,526,993

Trouble debt restructurings (“TDRs”) are granted due to borrower financial difficulty and provide for a modification of loan repayment terms. TDRs are treated in the same manner as impaired loans for purposes of calculating the allowance for loan and lease losses. The tables below present TDRs by loan category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		7	$	2,856	$	2,856	$	—	$	98
Commercial and industrial		2		123		123		—		101
Residential real estate		2		172		172		—		—
Total accruing		11		3,151		3,151		—		199
Non-accruing:
Commercial real estate		6		2,840		1,911		929		55
Commercial and industrial		13		5,524		5,447		77		3,757
Residential real estate		1		91		91		—		—
Total non-accruing		20		8,455		7,449		1,006		3,812
Total troubled debt restructurings		31	$	11,606	$	10,600	$	1,006	$	4,011

December 31, 2019	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		5	$	1,451	$	1,451	$	—	$	223
Commercial and industrial		2		129		129		—		118
Residential real estate		2		191		191		—		—
Total accruing		9		1,771		1,771		—		341
Non-accruing:
Commercial real estate		6		2,777		2,600		177		513
Commercial and industrial		11		8,048		6,096		1,952		1,312
Residential real estate		1		104		104		—		—
Total non-accruing		18		10,929		8,800		2,129		1,825
Total troubled debt restructurings		27	$	12,700	$	10,571	$	2,129	$	2,166

In addition, there was a $500,000 commitment outstanding on troubled debt restructurings at December 31, 2019 and none at June 30, 2020. 

Loans modified as troubled debt restructurings that occurred during the three and six months ended June 30, 2020 and 2019 were:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Accruing:
Beginning balance	$	1,725		$	1,921		$	1,771		$	1,813
Additions		—			—			—			113
Net payments		(30	)		(44	)		(76	)		(49	)
Net transfers from (to) non-accrual		1,456			(348	)		1,456			(348	)
Ending balance		3,151			1,529			3,151			1,529
Non-accruing:
Beginning balance		12,117			7,119			8,800			7,314
Additions		1,375			1,182			5,633			1,428
Net payments		(445	)		(815	)		(1,386	)		(726	)
Charge-offs		(4,142	)		—			(4,142	)		(530	)
Net transfers from (to) accrual		(1,456	)		348			(1,456	)		348
Ending balance		7,449			7,834			7,449			7,834
Total troubled debt restructurings	$	10,600		$	9,363		$	10,600		$	9,363

There were no troubled debt restructurings that subsequently defaulted within twelve months of the restructure date during the three and six months ended June 30, 2020, but there were troubled debt restructurings totaling $348,000 that defaulted for the three and six months ended June 30, 2019.  

At June 30, 2020 and December 31, 2019, the reserve for unfunded commitments was $1.9 million and $1.2 million, respectively. During the three and six months ended June 30, 2020, the provision for unfunded commitments was $492,000 and $691,000, respectively. During the three and six months ended June 30, 2019, the provision for unfunded commitments was $183,000 and $28,000, respectively. There were no charge-offs or recoveries related to the reserve for unfunded commitments during the periods.

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Servicing Assets

6 Months Ended

Jun. 30, 2020

Transfers And Servicing [Abstract]

Servicing Assets

Note 7—Servicing Assets

Activity for servicing assets and the related changes in fair value for the three and six months ended June 30, 2020 and 2019 was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	17,800		$	19,534		$	19,471		$	19,693
Additions, net		1,262			1,449			2,655			2,551
Changes in fair value		(711	)		(1,223	)		(3,775	)		(2,484	)
Ending balance	$	18,351		$	19,760		$	18,351		$	19,760

Loans serviced for others are not included in the Consolidated Statements of Financial Condition. The unpaid principal balances of these loans serviced for others as of June 30, 2020 and December 31, 2019 were as follows:

	June 30,		December 31,
	2020		2019
Loan portfolios serviced for:
SBA guaranteed loans	$	1,278,876	$	1,231,959
USDA guaranteed loans		123,450		119,047
Total	$	1,402,326	$	1,351,006

Loan servicing revenue totaled $3.0 million and $2.6 million for the three months ended June 30, 2020 and 2019, respectively. Loan servicing revenue totaled $5.7 million and $5.2 million for the six months ended June 30, 2020 and 2019, respectively. Loan servicing asset revaluation, which represents the changes in fair value of servicing assets, resulted in downward valuations of $711,000 and $1.2 million for three months ended June 30, 2020 and 2019, respectively. Loan servicing asset revaluation resulted in downward valuations of $3.8 million and $2.5 million for the six months ended June 30, 2020 and 2019, respectively.

The fair value of servicing rights is highly sensitive to changes in underlying assumptions. Changes in secondary market premiums contribute to the change in fair value of servicing rights while prepayment speed assumptions have the most significant impact on the fair value of servicing rights.

Generally, as interest rates rise on variable rate loans, loan prepayments increase due to an increase in refinance activity, which may result in a decrease in the fair value of servicing assets. Measurement of fair value is limited to the conditions existing and the assumptions used as of a particular point in time, and those assumptions may change over time. Refer to Note 15—Fair Value Measurement for further details.

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Other Real Estate Owned

6 Months Ended

Jun. 30, 2020

Banking And Thrift [Abstract]

Other Real Estate Owned

Note 8—Other Real Estate Owned

The following table presents the change in other real estate owned (“OREO”) for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	9,273		$	4,595		$	9,896		$	5,041
Acquisitions of OREO through business    combination		—			2,201			—			2,201
Net additions to OREO		64			510			86			536
Proceeds from sales of OREO		(386	)		(702	)		(650	)		(1,057	)
Gains (losses) on sales of OREO		3			6			85			(27	)
Valuation adjustments		(302	)		(79	)		(765	)		(163	)
Ending balance	$	8,652		$	6,531		$	8,652		$	6,531

At June 30, 2020 and December 31, 2019, the balance of real estate owned included $1.2 million and $1.5 million, respectively, of foreclosed residential real estate properties recorded as a result of obtaining physical possession of the property.

At June 30, 2020 and December 31, 2019, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process was $2.1 million.

There were no internally financed sales of OREO for the three and six months ended June 30, 2020. Proceeds from internally financed sales of OREO were $183,000 for the six months ended June 30, 2019.  There were no internally financed sales of OREO for the three months ended June 30, 2019.

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Goodwill, Core Deposit Intangible and Other Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill, Core Deposit Intangible and Other Intangible Assets

Note 9—Goodwill, Core Deposit Intangible and Other Intangible Assets

The following tables summarize the changes in the Company’s goodwill, core deposit intangible assets, and customer relationship intangible assets for the three and six months ended June 30, 2020 and 2019:  

	Three Months Ended June 30,
	2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	27,285		$	2,724		$	128,177	$	28,654		$	2,992
Additions		—		—			—			17,461		6,220			—
Amortization		—		(1,826	)		(66	)		—		(1,892	)		(66	)
Ending balance	$	148,353	$	25,459		$	2,658		$	145,638	$	32,982		$	2,926
Accumulated amortization	N/A		$	30,007		$	558		N/A		$	22,484		$	290
Weighted average remaining    amortization period	N/A		6.0 Years			9.9 Years			N/A		7.0 Years			10.9 Years

	Six Months Ended June 30,
	2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	29,111		$	2,791		$	128,177	$	30,360		$	3,059
Additions		—		-			—			17,461		6,220			—
Amortization		—		(3,652	)		(133	)		—		(3,598	)		(133	)
Ending balance	$	148,353	$	25,459		$	2,658		$	145,638	$	32,982		$	2,926
Accumulated amortization	N/A		$	30,007		$	558		N/A		$	22,484		290
Weighted average remaining    amortization period	N/A		6.0 Years			9.9 Years			N/A		7.0 Years			10.9 Years

The Company added additional goodwill and core deposit intangible assets in conjunction with the Oak Park River Forest acquisition. Please refer to Note 3—Acquisition for further details.   

The following table presents the estimated amortization expense for core deposit intangible and customer relationship intangible assets remaining at June 30, 2020:

	Estimated Amortization
2020	$	3,785
2021		6,998
2022		6,426
2023		4,371
2024		2,286
Thereafter		4,251
Total	$	28,117

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Income Taxes

6 Months Ended

Jun. 30, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Note 10—Income Taxes

The Company uses an estimated annual effective tax rate method in computing its interim tax provision. This effective tax rate is based on forecasted annual pre-tax income, permanent tax differences and statutory tax rates.

The effective tax rate for the six months ended June 30, 2020 and 2019 was 28.3% and 27.7%, respectively. The Company recorded discrete income tax provision of $76,000 and a benefit of $65,000 related to the exercise of stock options and vesting of restricted shares for the six months ended June 30, 2020 and 2019, respectively.

Net deferred tax assets decreased to $37.1 million at June 30, 2020 compared to $38.3 million at December 31, 2019. The net decrease in the total net deferred tax assets recorded as of June 30, 2020 was a result of an increase in unrealized gains on available-for-sale securities, partially offset by an increase in net deferred costs resulting from unearned processing fees related to PPP loan originations.

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Deposits

6 Months Ended

Jun. 30, 2020

Deposits [Abstract]

Deposits

Note 11—Deposits

The composition of deposits was as follows as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Non-interest-bearing demand deposits	$	1,768,675	$	1,279,641
Interest-bearing checking accounts		503,909		338,185
Money market demand accounts		1,233,748		881,387
Other savings		525,043		475,839
Time deposits (below $250,000)		710,429		916,723
Time deposits ($250,000 and above)		216,541		255,802
Total deposits	$	4,958,345	$	4,147,577

Time deposits of $250,000 or more included $56.0 million and $41.0 million of brokered deposits at June 30, 2020 and December 31, 2019, respectively. 

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Other Borrowings

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Other Borrowings

Note 12—Other Borrowings

The following is a summary of the Company’s other borrowings as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Paycheck Protection Program Liquidity Facility	$	449,889	$	—
Line of credit		—		—
Federal Home Loan Bank advances		4,000		490,000
Securities sold under agreements to repurchase		56,525		49,638
Total	$	510,414	$	539,638

On April 21, 2020, the Bank entered into a Letter Agreement with the Federal Reserve Bank of Chicago that allows the Bank to access the Paycheck Protection Program Liquidity Facility (the “PPPLF”).  Under the terms of the PPPLF, the Bank will pledge loans originated under the PPP to the Federal Reserve Bank of Chicago as collateral for available advances under the PPPLF.  Advances under the PPPLF will be an amount equal to the aggregate principal amount of PPP loans pledged by Byline Bank, carry an interest rate of 35 basis points and mature on the maturity date of the PPP loans pledged as collateral for the advance. As of June 30, 2020, the PPPLF had $449.9 million with an interest rate of 0.35% with various maturity dates in April 2022 and May 2022.

Byline Bank has the capacity to borrow funds from the discount window of the Federal Reserve System.  As of June 30, 2020 and December 31, 2019, there were no outstanding advances under the Federal Reserve Bank discount window line.  The Company pledges loans and leases as collateral for the Federal Reserve Bank discount window borrowing.  Refer to Note 5—Loan and Lease Receivables for additional discussion.

At June 30, 2020, fixed-rate Federal Home Loan Bank (“FHLB”) advances totaled $4.0 million, bearing no interest rate and a maturity of May 2021. The Company’s advances from the FHLB are collateralized by residential real estate loans, commercial real estate loans, and securities. The Bank’s maximum borrowing capacity is limited to 35% of total assets. The Company’s required investment in FHLB stock is $4.50 for every $100 in advances.

Securities sold under agreements to repurchase represent a demand deposit product offered to customers that sweep balances in excess of the FDIC insurance limit into overnight repurchase agreements. The Company pledges securities as collateral for the repurchase agreements. Refer to Note 4—Securities for additional discussion.

On October 13, 2016, the Company entered into a $30.0 million revolving credit agreement with a correspondent bank. Through subsequent amendments, the revolving credit agreement was reduced to $15.0 million and the maturity of the credit facility was extended to October 9, 2020. The amended revolving line of credit bears interest at either the London Interbank Offered Rate (“LIBOR”) plus 195 basis points or the Prime Rate minus 75 basis points, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period. If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points. At June 30, 2020 and December 31, 2019, the line of credit had no outstanding balance.

The Company hedges interest rates on borrowed funds using interest rate swaps through which the Company receives variable amounts and pays fixed amounts. Refer to Note 16—Derivative Instruments and Hedging Activities for additional discussion.

The following table presents short-term credit lines available for use as of June 30, 2020 and December 31, 2019:    

	June 30,		December 31,
	2020		2019
Available federal funds lines (1)	$	115,000	$	115,000
Federal Reserve Bank discount window line		884,968		547,798
Federal Home Loan Bank line		1,980,351		1,390,698

(1) The Company did not have an outstanding balance on its federal funds lines as of June 30, 2020 and December 31, 2019.

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Subordinated Notes and Junior Subordinated Debentures

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Subordinated Notes and Junior Subordinated Debentures

Note 13—Subordinated Notes and Junior Subordinated Debentures

On June 26, 2020, the Company issued $50.0 million in 6.00% fixed-to-floating subordinated notes that mature on July 1, 2030.  The subordinated notes bear a fixed interest rate of 6.00% until July 1, 2025 and a floating interest rate equal to a benchmark rate, which is expected to be three-month Secured Overnight Financing Rate plus 588 basis points thereafter until maturity.  The Company may, at its option, redeem the notes, in whole or in part, on a semi-annual basis beginning on July 1, 2025, subject to obtaining the prior approval of the Federal Reserve to the extent such approval is then required.  The subordinated notes are intended to qualify as Tier 2 capital for regulatory capital purposes.  The transaction resulted in debt issuance costs of approximately $1.2 million that will be amortized over 10 years.

On August 3, 2020, the Company issued an additional $25.0 million in 6.00% fixed-to-floating subordinated notes, that mature on July 1, 2030. These notes will be part of the same series of notes as the $50.0 million issued on June 26, 2020 and will be fungible and treated as a single series.

At June 30, 2020 and December 31, 2019, the Company’s junior subordinated debentures by issuance were as follows:

Name of Trust	Aggregate Principal Amount June 30, 2020			Aggregate Principal Amount December 31, 2019			Stated Maturity	Contractual Rate at June 30, 2020			Interest Rate Spread
Metropolitan Statutory Trust 1	$	35,000		$	35,000		March 17, 2034		3.09	%	Three-month LIBOR + 2.79%
RidgeStone Capital Trust I		—			1,500		June 30, 2033	n/a			Five-year LIBOR + 3.50%
First Evanston Bancorp Trust I		10,000			10,000		March 15, 2035		2.09	%	Three-month LIBOR + 1.78%
Total liability, at par		45,000			46,500
Discount		(8,794	)		(9,166	)
Total liability, at carrying value	$	36,206		$	37,334

In 2004, the Company’s predecessor, Metropolitan Bank Group, Inc., issued $35.0 million floating rate junior subordinated debentures to Metropolitan Statutory Trust 1, which was formed for the issuance of trust preferred securities. The debentures bear interest at three-month LIBOR plus 2.79% (3.09% and 4.69% at June 30, 2020 and December 31, 2019, respectively). Interest is payable quarterly. The Company has the right to redeem the debentures, in whole or in part, on any interest payment date on or after March 2009. Accrued interest payable was $43,000 and $71,000 as of June 30, 2020 and December 31, 2019, respectively.

As part of the Ridgestone acquisition, the Company assumed the obligations to RidgeStone Capital Trust I of $1.5 million in principal amount, which was formed for the issuance of trust preferred securities. Beginning on June 30, 2008, the interest rate reset to the five-year LIBOR plus 3.50% (6.38% at December 31, 2019), which was in effect until June 30, 2023 and updated every five years. Interest was paid on a quarterly basis. The Company had the right to redeem the debentures, in whole or in part, on any interest payment date on or after June 30, 2008. There was no accrued interest payable as of June 30, 2020 or December 31, 2019.  On February 25, 2020 the Company notified the trustee of RidgeStone Capital Trust I of its intent to redeem the debentures.  On June 30, 2020, the Company redeemed the debentures, in whole and at the par value of $1.5 million and recognized a charge of $112,000 to non-interest income for the remaining discount.

As part of the First Evanston acquisition, the Company assumed the obligations to First Evanston Bancorp Trust I of $10.0 million in principal amount, which was formed for the issuance of trust preferred securities. Beginning on March 15, 2010, the interest rate reset to the three-month LIBOR plus 1.78% (2.09% and 3.67% at June 30, 2020 and December 31, 2019, respectively), which is in effect until the debentures mature in 2035. Interest is paid on a quarterly basis. The Company has the right to redeem the debentures, in whole or in part, on any interest payment date on or after March 2010. The Company has the option to defer interest payments on the debentures from time to time for a period not to exceed five consecutive years. Accrued interest payable was $9,000 and $17,000 as of June 30, 2020 and December 31, 2019, respectively.

The Trusts are not consolidated with the Company. Accordingly, the Company reports the subordinated debentures held by the Trusts as liabilities. The Company owns all of the common securities of each trust. The junior subordinated debentures qualify, and are treated as, Tier 1 regulatory capital of the Company subject to regulatory limitations. The trust preferred securities issued by each trust rank equally with the common securities in right of payment, except that if an event

of default under the indenture governing the notes has occurred and is continuing, the preferred securities will rank senior to the common securities in right of payment.

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Commitments and Contingent Liabilities

6 Months Ended

Jun. 30, 2020

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

Note 14—Commitments and Contingent Liabilities

Legal contingencies—In the ordinary course of business, the Company and Bank have various outstanding commitments and contingent liabilities that are not recognized in the accompanying consolidated financial statements. In addition, the Company may be a defendant in certain claims and legal actions arising in the ordinary course of business. In the opinion of management, after consultation with legal counsel, the ultimate disposition of these matters is currently not expected to have a material adverse effect on the Company’s Consolidated Financial Statements.

Operating lease commitments—The Company has entered into various operating lease agreements primarily for facilities and land on which banking facilities are located. Certain lease agreements have renewal options at the end of the original lease term and certain lease agreements have escalation clauses in the rent payments.

The minimum annual rental commitments for operating leases subsequent to June 30, 2020, exclusive of taxes and other charges, are summarized as follows:

	Minimum Rental Commitments
2020	$	2,258
2021		4,148
2022		2,380
2023		1,382
2024		1,249
Thereafter		2,148
Total	$	13,565

The Company’s rental expenses for the three months ended June 30, 2020 and 2019 were $1.7 million and $1.5 million respectively, and for the six months ended June 30, 2020 and 2019 were $3.3 million and $2.8 million, respectively. During the three months ended June 30, 2020 and 2019, the Company received $182,000 and $190,000 respectively in sublease income that is included in the Consolidated Statements of Operations as a reduction of occupancy expense. For the six months ended June 30, 2020 and 2019, the Company received $365,000 and $370,000, respectively, in sublease income. The total amount of minimum rentals to be received in the future on these subleases is approximately $930,000, and the leases have contractual lives extending through 2025. In addition to the above required lease payments, the Company has contractual obligations related primarily to information technology contracts and other maintenance contracts.

Commitments to extend credit—The Company is party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The contractual or notional amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to credit loss in the event of non-performance by the other party to the financial instrument for commitments to extend credit and letters of credit is represented by the contractual or notional amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for funded instruments. The Company does not anticipate any material losses as a result of the commitments and letters of credit.

The following table summarizes the contract or notional amount of outstanding loan and lease commitments at June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
	Fixed Rate		Variable Rate		Total		Fixed Rate		Variable Rate		Total
Commitments to extend credit	$	81,722	$	962,873	$	1,044,595	$	55,852	$	908,382	$	964,234
Letters of credit		692		62,207		62,899		724		65,514		66,238
Total	$	82,414	$	1,025,080	$	1,107,494	$	56,576	$	973,896	$	1,030,472

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the counterparty. Collateral is primarily obtained in the form of commercial and residential real estate (including income producing commercial properties).

Letters of credit are conditional commitments issued by the Company to guarantee to a third-party the performance of a customer. Those guarantees are primarily issued to support public and private borrowing arrangements, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

Commitments to make loans are generally made for periods of 90 days or less. The fixed rate loan commitments have interest rates ranging from 1.25% to 18.00% and maturities up to 2050. Variable rate loan commitments have interest rates ranging from 1.25% to 10.00% and maturities up to 2048.

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Fair Value Measurement

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurement

Note 15—Fair Value Measurement

Fair value is 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. In addition, the Company has the ability to obtain fair values for markets that are not accessible.

These types of inputs create the following fair value hierarchy:

Level 1—Quoted prices in active markets for identical assets or liabilities.

Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3—Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the asset or liability. Unobservable inputs are used to measure fair value to the extent that observable inputs are not available. The Company’s own data used to develop unobservable inputs may be adjusted for market considerations when reasonably available.

The categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to assets and liabilities.

The Company used the following methods and significant assumptions to estimate fair value for certain assets measured and carried at fair value on a recurring basis:

Securities available-for-sale—The Company obtains fair value measurements from an independent pricing service. Management reviews the procedures used by the third party, including significant inputs used in the fair value calculations. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things. When market quotes are not readily accessible or available, alternative approaches are utilized, such as matrix or model pricing.

The Company’s methodology for pricing non-rated bonds focuses on three distinct inputs: equivalent rating, yield and other pricing terms. To determine the rating for a given non-rated municipal bond, the Company references a publicly issued bond by the same issuer if available as well as other additional key metrics to support the credit worthiness. Typically, pricing for these types of bonds would require a higher yield than a similar rated bond from the same issuer. A reduction in price is applied to the rating obtained from the comparable bond, as the Company believes if liquidated, a non-rated bond would be valued less than a similar bond with a verifiable rating. The reduction applied by the Company is one notch lower (i.e. a “AA” rating for a comparable bond would be reduced to “AA-” for the Company’s valuation). In 2020 and 2019, all of the ratings derived by the Company were “BBB” or better with and without comparable bond proxies. The fair value measurement of municipal bonds is sensitive to the rating input, as a higher rating typically results in an increased valuation. The remaining pricing inputs used in the bond valuation are observable. Based on the rating determined, the Company obtains a corresponding current market yield curve available to market participants. Other terms including coupon, maturity date, redemption price, number of coupon payments per year, and accrual method are obtained from the individual bond term sheets.

Equity and other securities—The Company utilizes the same fair value measurement methodology for equity and other securities as detailed in the securities available-sale portfolio above.

Servicing assets—Fair value is based on a loan-by-loan basis taking into consideration the original term to maturity, the current age of the loan and the remaining term to maturity. The valuation methodology utilized for the servicing assets begins with generating estimated future cash flows for each servicing asset, based on their unique characteristics and market-based assumptions for prepayment speeds and costs to service. The present value of the future cash flows are then calculated utilizing market-based discount rate assumptions.

Derivative instruments—Interest rate derivatives are valued by a third party, using models that primarily use market observable inputs, such as yield curves, and are validated by comparison with valuations provided by the respective counterparties. Derivative financial instruments are included in other assets and other liabilities in the Consolidated Statements of Financial Condition.

The following tables summarize the Company’s financial assets and liabilities that were measured at fair value on a recurring basis at June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	31,095	$	31,095	$	—	$	—
U.S. Government agencies		137,795		—		137,795		—
Obligations of states, municipalities, and political    subdivisions		125,156		—		125,156		—
Mortgage-backed securities; residential
Agency		679,865		—		679,865		—
Non-Agency		77,291		—		77,291		—
Mortgage-backed securities; commercial
Agency		239,054		—		239,054		—
Non-Agency		31,221		—		31,221		—
Corporate securities		56,278		—		56,278		—
Asset-backed securities		49,116		—		49,116		—
Equity and other securities, at fair value
Mutual funds		2,996		2,996		—		—
Equity securities		5,185		—		4,501		684
Servicing assets		18,351		—		—		18,351
Derivative assets		20,084		—		20,084		—
Financial liabilities
Derivative liabilities		21,393		—		21,393		—

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	41,830	$	41,830	$	—	$	—
U.S. Government agencies		164,950		—		164,950		—
Obligations of states, municipalities, and political    subdivisions		94,832		—		94,832		—
Mortgage-backed securities; residential
Agency		490,236		—		490,236		—
Non-Agency		109,822		—		109,822		—
Mortgage-backed securities; commercial
Agency		159,701		—		159,701		—
Non-Agency		31,274		—		31,274		—
Corporate securities		49,330		—		49,330		—
Asset-backed securities		44,317		—		44,317		—
Equity and other securities, at fair value
Mutual funds		2,952		2,952		—		—
Equity securities		5,079		—		4,379		700
Servicing assets		19,471		—		—		19,471
Derivative assets		7,960		—		7,960		—
Financial liabilities
Derivative liabilities		8,519		—		8,519		—

The Company did not have any transfers to or from Level 3 of the fair value hierarchy during the six months ended June 30, 2020 and 2019.

The following table presents additional information about financial assets measured at fair value on recurring basis for which the Company used significant unobservable inputs (Level 3):

	Six Months Ended June 30,
	2020			2019		2020			2019
	Investment Securities					Servicing Assets
Balance, beginning of period	$	700		$	886	$	19,471		$	19,693
Additions, net		—			—		2,655			2,551
Amortization		—			3		—			—
Change in fair value		(19	)		1		(3,775	)		(2,484	)
Balance, end of period	$	681		$	890	$	18,351		$	19,760

The following table presents additional information about the unobservable inputs used in the fair value measurements on recurring basis that were categorized within Level 3 of the fair value hierarchy as of June 30, 2020:

Financial Instruments	Valuation Technique	Unobservable Inputs	Range of Inputs	Weighted Average Range			Impact to Valuation from an Increased or Higher Input Value
Single issuer trust preferred	Discounted cash flow	Discount rate	4.9% - 5.4%		5.5	%	Decrease
Servicing assets	Discounted cash flow	Prepayment speeds	1.7% - 29.2%		16.0	%	Decrease
		Discount rate	2.1% - 37.6%		11.5	%	Decrease
		Expected weighted average loan life	0.1 - 8.8 years	3.7 years			Increase

The Company used the following methods and significant assumptions to estimate fair value for certain assets measured and carried at fair value on a non-recurring basis:

Impaired loans (excluding acquired impaired loans)—Impaired loans, other than those existing on the date of a business acquisition, are primarily carried at the fair value of the underlying collateral, less estimated costs to sell, if the loan is collateral dependent. Valuations of impaired loans that are collateral dependent are supported by third party appraisals in accordance with the Bank’s credit policy. Other valuation methods include analysis of discounted cash flows, which measures the present value of expected future cash flows discounted at the loan’s effective interest rate. Impaired loans that are not collateral dependent are not material.

Assets held for sale—Assets held for sale consist of former branch locations and real estate previously purchased for expansion. Assets are considered held for sale when management has approved to sell the assets following a branch closure or other events. The properties are being actively marketed and transferred to assets held for sale based on the lower of carrying value or its fair value, less estimated costs to sell.

Other real estate owned—Certain assets held within other real estate owned represent real estate or other collateral that has been adjusted to its estimated fair value, less cost to sell, as a result of transferring from the loan portfolio at the time of foreclosure or repossession and based on management’s periodic impairment evaluation. From time to time, non-recurring fair value adjustments to other real estate owned are recorded to reflect partial write-downs based on an observable market price or current appraised value of property.

Adjustments to fair value based on such non-recurring transactions generally result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairment. The following tables summarize the Company’s assets that were measured at fair value on a non-recurring basis, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	33,226	$	—	$	—	$	33,226
Residential real estate		1,725		—		—		1,725
Construction, land development, and other land		4,189		—		—		4,189
Commercial and industrial		25,136		—		—		25,136
Assets held for sale		15,264		—		—		15,264
Other real estate owned		8,652		—		—		8,652

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	23,782	$	—	$	—	$	23,782
Residential real estate		2,274		—		—		2,274
Construction, land development, and other land		2,644		—		—		2,644
Commercial and industrial		29,351		—		—		29,351
Assets held for sale		15,362		—		—		15,362
Other real estate owned		9,896		—		—		9,896

The following methods and assumptions were used by the Company in estimating fair values of other assets and liabilities for disclosure purposes:

Cash and cash equivalents—For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Securities held-to-maturity—The Company obtains fair value measurements from an independent pricing service. Management reviews the procedures used by the third party, including significant inputs used in the fair value calculations. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things. When market quotes are not readily accessible or available, alternative approaches are utilized, such as matrix or model pricing.

Restricted stock—The fair value has been determined to approximate cost.

Loans held for sale—The fair value of loans held for sale are based on quoted market prices, where available, and determined by discounted estimated cash flows using interest rates approximating the Company’s current origination rates for similar loans adjusted to reflect the inherent credit risk.

Loan and lease receivables, net—For certain variable rate loans that reprice frequently and with no significant changes in credit risk, fair value is estimated at carrying value. The fair value of other types of loans is estimated using an exit price notion. It is estimated by discounting future cash flows, using current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities.

Deposits—The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated by discounting future cash flows, using rates currently offered for deposits of similar remaining maturities.

Paycheck Protection Program Liquidity Facility—The carrying amount approximates fair value.

Federal Home Loan Bank advances—The fair value of FHLB advances is estimated by discounting the agreements based on maturities using rates currently offered for FHLB advances of similar remaining maturities adjusted for prepayment penalties that would be incurred if the borrowings were paid off on the measurement date.

Securities sold under agreements to repurchase—The carrying amount approximates fair value due to maturities of less than ninety days.

Subordinated notes—The fair value is based on available market prices.  

Junior subordinated debentures—The fair value of junior subordinated debentures, in the form of trust preferred securities, is determined using rates currently available to the Company for debt with similar terms and remaining maturities.

Accrued interest receivable and payable—The carrying amount approximates fair value.

Commitments to extend credit and letters of credit—The fair values of these off-balance sheet commitments to extend credit and commercial and letters of credit are not considered practicable to estimate because of the lack of quoted market prices and the inability to estimate fair value without incurring excessive costs.

The estimated fair values of financial instruments not carried at fair value and levels within the fair value hierarchy are as follows:

			June 30,				December 31,
	Fair Value		2020				2019
	Hierarchy Level		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and due from banks		1	$	51,818	$	51,818	$	48,228	$	48,228
Interest bearing deposits with other banks		2		88,113		88,113		32,509		32,509
Securities held-to-maturity		2		4,404		4,582		4,412		4,498
Other restricted stock		2		6,232		6,232		22,127		22,127
Loans held for sale		3		3,031		3,357		11,732		12,935
Loans and lease receivables, net (less impaired loans    at fair value		3		4,275,546		4,211,233		3,695,674		3,661,724
Accrued interest receivable		3		15,633		15,633		13,283		13,283
Financial liabilities
Non-interest-bearing deposits		2		1,768,675		1,768,675		1,279,641		1,279,641
Interest-bearing deposits		2		3,189,670		3,193,090		2,867,936		2,873,380
Accrued interest payable		2		1,928		1,928		3,677		3,677
Paycheck Protection Program Liquidity Facility		2		449,889		449,889		—		—
Federal Home Loan Bank advances		2		4,000		4,000		490,000		490,000
Securities sold under repurchase agreement		2		56,525		56,525		49,638		49,638
Subordinated notes		2		50,000		49,999		—		—
Junior subordinated debentures		3		36,206		40,310		37,334		42,881

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Derivative Instruments and Hedge Activities

6 Months Ended

Jun. 30, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedge Activities

Note 16—Derivative Instruments and Hedge Activities

As required by ASC 815, the Company records all derivatives on the balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting.  The Company records derivative assets and derivative liabilities on the Consolidated Statements of Financial Condition within accrued interest receivable and other assets and accrued interest payable and other liabilities, respectively. The following tables present the fair value of the Company’s derivative financial instruments and classification on the Consolidated Statements of Financial Condition as of June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
			Fair Value						Fair Value
	Notional Amount		Other Assets		Other Liabilities		Notional Amount		Other Assets		Other Liabilities
Derivatives not designated as hedging instruments
Other interest rate derivatives		373,862		20,084		21,370		332,056		7,960		8,507
Other credit derivatives		8,870		—		23		9,302		—		12
Total derivatives	$	382,732	$	20,084	$	21,393	$	341,358	$	7,960	$	8,519

Interest rate swaps designated as cash flow hedges—There were no cash flow hedges outstanding at June 30, 2020 and December 31, 2019. In September 2019, the Company terminated $250.0 million interest rate swaps designated as cash flow hedges of interest payments associated with certain FHLB advances, which were executed to reduce interest rate risk in a declining rate environment. The transaction resulted in a net loss of $383,000, net of tax, which was the clean value at the termination date. As of June 30, 2020, the remaining balance in accumulated other comprehensive income was $329,000, which is being amortized over the original life of the cash flow hedge. At June 30, 2020, the Company estimates $85,000 of the unrealized loss to be reclassified as an increase to interest expense during the next twelve months.

The following table reflects the net gains (losses) recorded in accumulated other comprehensive income (loss) and the Consolidated Statements of Operations relating to the cash flow derivative instruments for the six months ended: 

	June 30, 2020							June 30, 2019
	Amount of Loss Recognized in OCI		Amount of Loss Reclassified from OCI to Income as an Increase to Interest Expense			Amount of Gain (Loss) Recognized in Other Non-Interest Income		Amount of Loss Recognized in OCI			Amount of Gain Reclassified from OCI to Income as a Decrease to Interest Expense		Amount of Gain (Loss) Recognized in Other Non-Interest Income
Interest rate swaps	$	—	$	(42	)	$	—	$	(5,234	)	$	1,280	$	—

Derivatives not designated as hedges are not speculative and are used to manage the Company’s exposure to interest rate movements and other identified risks but do not meet the strict hedge accounting requirements and/or the Company has not elected to apply hedge accounting. Changes in the fair value of derivatives not designated in hedging relationships are recorded directly in earnings.

Other interest rate derivatives— The Company also enters into derivative transactions through products with its commercial customers and simultaneously enters into an offsetting interest rate derivative transaction with third-parties. These transactions allow the Company's borrowers to effectively convert a variable rate loan into a fixed rate loan. The total combined notional amount was $373.9 million as of June 30, 2020 with maturities ranging from January 2022 to March 2030. The fair values of the interest rate derivative agreements are reflected in other assets and other liabilities with corresponding gains or losses reflected in non-interest income. During the three months ended June 30, 2020 and 2019, there were $154,000 and $392,000 of transaction fees, respectively, included in other non-interest income, related to these derivative instruments. During the six months ended June 30, 2020 and 2019, there were $660,000 and $717,000 of transaction fees, respectively, included in other non-interest income, related to these derivative instruments.

These instruments are inherently subject to market risk and credit risk. Market risk is associated with changes in interest rates and credit risk relates to the Company’s risk of loss when the counterparty to a derivative contract fails to perform according to the terms of the agreement. Market and credit risks are managed and monitored as part of the Company’s overall asset-liability management process. The credit risk related to derivatives entered into with certain qualified borrowers is managed through the Company’s loan underwriting process. The Company’s loan underwriting process also approves the Bank’s swap counterparty used to mirror the borrowers’ swap. The Company has a bilateral agreement with each swap counterparty that provides that fluctuations in derivative values are to be fully collateralized with either cash or securities.

The following table reflects other interest rate derivatives as of June 30, 2020:

Notional amounts	$	373,862
Derivative assets fair value		20,084
Derivative liabilities fair value		21,370
Weighted average pay rates		4.49	%
Weighted average receive rates		2.68	%
Weighted average maturity	6.4 years

Other credit derivatives— The Company has entered into risk participation agreements with counterparty banks to assume a portion of the credit risk related to borrower transactions. The credit risk related to these other credit derivatives is managed through the Company’s loan underwriting process.  The total notional amount was $8.9 million and $9.3 million as of June 30, 2020 and December 31, 2019, respectively. The fair value of the other credit derivatives are reflected in other liabilities with corresponding gains or losses reflected in non-interest income.

The Company has agreements with its derivative counterparties that contain a cross-default provision under which if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. The Company also has agreements with certain derivative counterparties that contain a provision where if the Company fails to maintain its status as a well or adequately capitalized institution, then the counterparty could terminate the derivative positions and the Company would be required to settle its obligations resulted in a net asset position.

The following table reflects amounts included in non-interest income in the Consolidated Statements of Operations relating to derivative instruments that are not designated in a hedging relationship for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Other interest rate derivatives	$	(17	)	$	(221	)	$	(740	)	$	(372	)
Other credit derivatives		1			(3	)		(11	)		(4	)
Total	$	(16	)	$	(224	)	$	(751	)	$	(376	)

The Company records interest rate derivatives subject to master netting agreements at their gross value and does not offset derivative asset and liabilities on the Consolidated Statements of Financial Condition. The table below summarizes the Company’s interest rate derivatives and offsetting positions as of: 

	June 30, 2020						December 31, 2019
	Derivative Assets Fair Value			Derivative Liabilities Fair Value			Derivative Assets Fair Value			Derivative Liabilities Fair Value
Gross amounts recognized	$	20,084		$	21,393		$	7,960		$	8,519
Less: Amounts offset in the Consolidated Statements of    Financial Condition		—			—			—			—
Net amount presented in the Consolidated Statements of    Financial Condition	$	20,084		$	21,393		$	7,960		$	8,519
Gross amounts not offset in the Consolidated Statements of    Financial Condition
Offsetting derivative positions		—			—			(1	)		(1	)
Collateral posted		(20,084	)		(21,261	)		(7,959	)		(8,518	)
Net credit exposure	$	—		$	132		$	—		$	—

As of June 30, 2020, the fair value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $21.4 million.  The Company has posted $21.3 collateral related to these agreements as of June 30, 2020.  If the Company had breached any of these provisions at June 30, 2020, it could have been required to settle its obligations under the agreements at their termination value of $21.4 million.  For purposes of this disclosure, the amount of posted collateral by the counterparties is limited to the amount offsetting the derivative asset and derivative liability.

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Share-Based Compensation

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-Based Compensation

Note 17 – Share-Based Compensation

In June 2017, the Company adopted the 2017 Omnibus Incentive Compensation Plan (the “Omnibus Plan”) in connection with our IPO. The Omnibus Plan provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units, dividend equivalent rights and other equity-based, equity-related or cash-based awards. A total of 1,550,000 shares of our common stock have been reserved for issuance under the Omnibus Plan. As of June 30, 2020, there were 995,845 shares available for future grants under the Omnibus Plan.

On July 6, 2017, in conjunction with the completion of the IPO, the Company granted 58,900 restricted shares of the Company’s common stock to certain key employees, pursuant to the Omnibus Plan. The restricted shares will cliff vest on the third anniversary of the grant date, subject to continued employment. A total of 11,898 restricted shares were also granted during the year ended December 31, 2017 in connection with the recruitment of employees. These restricted shares vest ratably over a four year period.     

During 2018, the Company granted 131,157 shares of restricted common stock, par value $0.01 per share. Of this total, 102,559 restricted shares will vest ratably over four years on each anniversary of the grant date, 15,165 restricted shares will vest ratably over three years on each anniversary of the grant date, and 2,268 restricted shares will vest on the first anniversary of the grant date, all subject to continued employment.

In addition, 11,165 performance-based restricted shares were included in the 2018 grant. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets over a three-year period ending December 31, 2020, measured in 2018 against the Company’s internal targets and for 2019 and 2020 against a peer group consisting of publicly-traded bank holding companies ranging in asset size from 50% to 200% of the Company’s total assets. Under the award, 25% of the shares will be earned at threshold performance, 100% will be earned at target and 50th percentile performance, and up to 125% of the shares with above target and 75th percentile performance. Any earned performance shares will vest on the third anniversary of the grant date.  

During 2019, the Company granted 189,647 shares of restricted common stock, par value $0.01 per share. Of this total, 111,823 restricted shares will vest ratably over four years on each anniversary of the grant date, 72,570 restricted shares will vest ratably over three years on each anniversary of the grant date, 683 restricted shares will vest on the first anniversary of the grant date, and 4,571 share have vested, all subject to continued employment.

In addition, 20,975 performance-based restricted shares were included in the 2019 grants. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets, weighted equally, over a three-year period ending December 31, 2021, measured against a peer group consisting of publicly-traded bank holding companies. Results will be measured cumulatively at the end of the three years. Any earned shares will vest on the third anniversary of the grant date.  

During February 2020, the Company granted 174,179 shares of restricted common stock, par value $0.01 per share. Of this total, 103,465 restricted shares will vest ratably over four years on each anniversary of the grant date and 38,786 restricted shares will vest ratably over three years on each anniversary of the grant date, all subject to continued employment.

In addition, 31,928 performance-based restricted shares were included in the February 2020 grant. The number of shares which may be earned under the award is dependent upon the Company’s return on average assets, weighted equally, over a three-year period ending December 31, 2022, measured against a peer group consisting of publicly-traded bank holding companies. Results will be measured cumulatively at the end of the three years. Any earned shares will vest on the third anniversary of the grant date

The following table discloses the changes in restricted shares for the six months ended June 30, 2020:

	Omnibus Plan
	Number of Shares			Weighted Average Grant Date Fair Value
Beginning balance, January 1, 2020		328,653		$	19.94
Granted		174,179			17.52
Vested		(53,832	)		20.76
Forfeited		(143	)		17.50
Ending balance outstanding at June 30, 2020		448,857		$	18.90

A total of 53,832 restricted shares vested during the six months ended June 30, 2020. A total of 48,491 restricted shares vested during the year ended December 31, 2019. The fair value of restricted shares that vested during the six months ended June 30, 2020 was $593,000.  The fair value of restricted shares that vested during the year ended December 31, 2019 was $900,000.  

The Company recognizes share-based compensation based on the estimated fair value of the restricted stock at the grant date. Share-based compensation expense is included in non-interest expense in the Consolidated Statements of Operations.  

The following table summarizes restricted stock compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation - restricted stock	$	1,336	$	807
Income tax benefit		372		225
Unrecognized compensation expense		6,329		4,829
Weighted-average amortization period remaining	2.7 years		3.0 years

The fair value of the unvested restricted stock awards at June 30, 2020 was $5.9 million.

In October 2014, the Company adopted the Byline Bancorp, Inc. Equity Incentive Plan (“BYB Plan”). The maximum number of shares available for grants under this plan was 2,476,122 shares. During 2016 and 2015, the Company granted options to purchase 212,400 and 1,634,568 shares, respectively, under this plan. The Company did not grant any stock options during the year ended December 31, 2017. In June 2017, the Board of Directors terminated the BYB Plan and no future grants can be made under this plan. Options to purchase a total of 1,390,579 shares remain outstanding under the BYB Plan at June 30, 2020.

The types of stock options granted under the BYB Plan were Time Options and Performance Options. The exercise price of each option is equal to the fair value of the stock as of the date of grant. These option awards have vesting periods ranging from one to five years and have 10-year contractual terms. Stock volatility was computed as the average of the volatilities of peer group companies.  

The vesting of Time Options is conditional based on completion of service. Performance Options have conditional vesting based on either performance targets or market performance. Certain Performance Options’ performance goals will be satisfied (in whole or in part) if the Bank achieves various performance targets such as profitability, asset quality, and conditional based on market performance, as outlined in the BYB Plan. Each of the performance goals identified are measured for achievement (or failure to achieve) independent of each other. In October 2017, the Board of Directors determined that the Performance Option goals were satisfied, in whole, and these Performance Options converted to Time Options. As a result of the previous completion of service, 414,894 performance options vested on October 3, 2017.

The fair values of the stock options were determined using the Black-Scholes-Merton model for Time Options and a Monte Carlo simulation model for Performance Options.

The following table discloses the activity in shares subject to options and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	BYB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		1,410,075		$	11.38	$	11,542		5.4
Exercised		(19,496	)		13.00	$	139
Expired		—
Ending balance outstanding at    June 30, 2020		1,390,579		$	11.36	$	2,574		4.9
Exercisable at June 30, 2020		1,390,579		$	11.36	$	2,574		4.9

A total of 19,496 stock options were exercised during the six months ended June 30, 2020. During the six months ended June 30, 2020, proceeds from the exercise of stock options were $253,000 and related tax benefit was $39,000. A total of 127,997 stock options were exercised during the year ended December 31, 2019. During the year ended December 31, 2019, proceeds from the exercise of stock options were $1.9 million and related tax benefit was $145,000. A total of 20,000 stock options vested during the six months ended June 30, 2020.

The Company recognizes share-based compensation based on the estimated fair value of the option at the grant date. Forfeitures are estimated based upon industry standards. Share-based compensation expense is included in non-interest expense in the Consolidated Statements of Operations. The following table summarizes stock option compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation (benefit) - stock options	$	7	$	(133	)
Income tax benefit (expense)		2		(37	)
Unrecognized compensation expense - stock options		—		35
Weighted-average amortization period remaining	0.0 years		0.7 years

Pursuant to the terms of the Merger Agreement, upon the Effective Time, each outstanding First Evanston Option held by a participant in the First Evanston Bancorp, Inc. Stock Incentive Plan (the “FEB Plan”) ceased to represent a right to acquire shares of First Evanston common stock and was assumed and converted automatically into a fully vested and exercisable adjusted option to purchase shares of Byline common stock (each an “Adjusted Option”). In accordance with the Merger Agreement, the number of shares of Byline common stock to which each such Adjusted Option relates is equal to the product (rounded down to the nearest whole share of Byline common stock) of: (a) the number of shares of First Evanston common stock subject to the First Evanston Option immediately prior to May 31, 2018, multiplied by (ii) 4.725. Each Adjusted Option has an exercise price per share of Byline common stock equal to the quotient (rounded up to the nearest whole cent) of (x) the per share exercise price of such First Evanston Option immediately prior to May 31, 2018, divided by (y) 4.725. The description of the conversion process is based on, and qualified by, the Merger Agreement.

The following table discloses the activity in shares subject to options under the FEB Plan and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	FEB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		511,169		$	11.35	$	4,204		4.4
Exercised		(41,102	)	$	11.65	$	313
Expired		—
Ending balance outstanding at    June 30, 2020		470,067		$	11.32	$	837		3.8
Exercisable at June 30, 2020		470,067		$	11.32	$	837		3.8

A total of 41,102 stock options were exercised during the six months ended June 30, 2020. During the six months ended June 30, 2020, proceeds from the exercise of stock options were $479,000 and related tax benefit was $87,000. A total of 113,214 stock options were exercised during the year ended December 31, 2019. During the year ended December 31, 2019, proceeds from the exercise of stock options were $1.3 million and related tax benefit was $253,000.

On April 30, 2019, the Company completed the acquisition of Oak Park River Forest. On May 15, 2019, the Company made a cash payment of $4.2 million for 35,870 outstanding Oak Park River Forest options to participants who elected to receive a cash payment in lieu of converting the options to the Omnibus plan.

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Earnings per Share

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Earnings per Share

Note 18—Earnings per Share

A reconciliation of the numerators and denominators for earnings per common share computations is presented below. Incremental shares represent outstanding stock options for which the exercise price is less than the average market price of the Company’s common stock during the periods presented. Options to purchase 1,860,646 and 1,995,745 shares of common stock were outstanding as of June 30, 2020 and 2019, respectively. There were 448,857 and 288,560 restricted stock awards outstanding at June 30, 2020 and 2019, respectively.  

The following represent the calculation of basic and diluted earnings per share for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	9,139	$	13,211	$	12,105	$	25,808
Less: Dividends on preferred shares		195		195		391		391
Net income available to common stockholders	$	8,944	$	13,016	$	11,714	$	25,417
Weighted-average common stock outstanding:
Weighted-average common stock outstanding    (basic)		37,919,480		37,263,352		37,931,406		36,719,436
Incremental shares		107,809		684,654		418,658		725,971
Weighted-average common stock outstanding (dilutive)		38,027,289		37,948,006		38,350,064		37,445,407
Basic earnings per common share	$	0.24	$	0.35	$	0.31	$	0.69
Diluted earnings per common share	$	0.24	$	0.34	$	0.31	$	0.68

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Stockholders' Equity

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Stockholders' Equity

Note 19—Stockholders’ Equity

A summary of the Company’s preferred and common stock at June 30, 2020 and December 31, 2019 is as follows:

	June 30,		December 31,
	2020		2019
Series B 7.5% fixed to floating non-cumulative    perpetual preferred stock
Par value	$	0.01	$	0.01
Shares authorized		50,000		50,000
Shares issued		10,438		10,438
Shares outstanding		10,438		10,438
Common stock, voting
Par value	$	0.01	$	0.01
Shares authorized		150,000,000		150,000,000
Shares issued		38,506,703		38,256,500
Shares outstanding		38,388,217		38,256,500
Treasury shares		118,486		—

During 2016, the Company authorized and issued Series B 7.50% fixed-to-floating non-voting, noncumulative perpetual preferred stock with a liquidation preference of $1,000 per share, plus the amount of unpaid dividends, if any, which is redeemable at the Company’s option on or after March 31, 2022. Holders of Series B Preferred Stock do not have any rights to convert such stock into shares of any other class of capital stock of the Company. Holders of Series B Preferred Stock are entitled to receive a fixed dividend of 7.50% per annum from the original issue date through December 30, 2021, after which the dividend is paid at a floating rate of three-month LIBOR plus 5.41% per annum.

The Company Series B Preferred Stock is included in Tier 1 capital for regulatory capital purposes and is redeemable at the option of the Company at a redemption price of $1,000 per share, plus any declared and unpaid dividends (i) in whole or part on any dividend payment date on or after March 31, 2022, and (ii) in whole but not in part prior to March 31, 2022, within 90 days following a regulatory event, as defined in the Certificate of Designations of the Company Series B Preferred Stock. The Company must receive approval of the Federal Reserve Board prior to any redemption of the Company Series B Preferred Stock.

For the three months ended June 30, 2020 and 2019, the Company declared and paid dividends on the Series B preferred stock of $196,000. For the six months ended June 30, 2020 and 2019, the Company declared and paid dividends on the Series B preferred stock of $391,000.

On November 1, 2019, the Company announced that its Board of Directors approved a stock repurchase program authorizing the purchase of up to an aggregate of 1,250,000 shares of the Company’s outstanding common stock. The shares may, at the discretion of management, be repurchased from time to time in open market purchases as market conditions warrant or in privately negotiated transactions. The Company is not obligated to purchase any shares under the program, and the program may be discontinued at any time. The actual timing, number and share price of shares purchased under the repurchase program will be determined by the Company at its discretion and will depend on a number of factors, including the market price of the Company’s stock, general market and economic conditions and applicable legal requirements. The shares authorized to be repurchased represent approximately 3.3% of the Company’s outstanding common stock at June 30, 2020.  The program will be in effect until December 31, 2020 unless terminated earlier.  The program was paused in March 2020.

The Company repurchased 118,486 shares at a cost of $1.7 million under this program in the first quarter of 2020.  Repurchased shares are recorded as treasury shares on the trade date using the treasury stock method, and the cash paid is recorded as treasury stock.  Treasury stock acquired is recorded at cost and is carried as a reduction of stockholders’ equity in the Consolidated Statement of Financial Condition.

On June 11, 2020, the Company’s Board of Directors declared a cash dividend of $0.03 per share payable on July 7, 2020 to stockholders of record of the Company’s common stock as of June 23, 2020.  No cash dividends were declared to common stockholders during the second quarter of 2019.

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Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2020

Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]

Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss)

Note 20—Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive income (loss) for the six months ended June 30, 2020 and 2019:

(dollars in thousands)	Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Available-for -Sale Securities			Total Accumulated Other Comprehensive Income (Loss)
Balance, January 1, 2019	$	4,763		$	(14,261	)	$	(9,498	)
Adoption of ASU 2016-01		—			(1,440	)		(1,440	)
Other comprehensive income (loss), net of tax		(4,699	)		14,289			9,590
Balance, June 30, 2019	$	64		$	(1,412	)	$	(1,348	)
Balance, January 1, 2020	$	(366	)	$	(334	)	$	(700	)
Other comprehensive income, net of tax		31			20,702			20,733
Balance, June 30, 2020	$	(335	)	$	20,368		$	20,033

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Basis of Presentation

These unaudited interim condensed consolidated financial statements include the accounts of Byline Bancorp, Inc., a Delaware corporation (the “Company,” “Byline,” “we,” “us,” “our”), a bank holding company whose principal activity is the ownership and management of its Illinois state chartered subsidiary bank, Byline Bank (the “Bank”), based in Chicago, Illinois.

These unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the Securities and Exchange Commission (“SEC”). In preparing these financial statements, the Company has evaluated events and transactions subsequent to June 30, 2020 for potential recognition or disclosure. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation of the financial position and results of operations for the periods presented have been included. Certain information in footnote disclosures normally included in financial statements prepared in accordance with GAAP has been condensed or omitted pursuant to the rules and regulations of the SEC and the accounting standards for interim financial statements. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Consolidated Financial Statements for the years ended December 31, 2019, 2018, and 2017.

In accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 855, “Subsequent Events,” the Company’s management has evaluated subsequent events for potential recognition or disclosure through the date of the issuance of these consolidated financial statements.

The Company has one reportable segment. The Company’s chief operating decision maker evaluates the operations of the Company using consolidated information for purposes of allocating resources and assessing performance. Therefore, segments disclosures are not required.

No subsequent events were identified that would have required a change to the consolidated financial statements or disclosure in the notes to the consolidated financial statements.

Certain prior period amounts have been reclassified to conform to current period presentation. These reclassifications did not result in any changes to previously reported net income or stockholders’ equity.

Accounting Pronouncements Recently Adopted or Issued

The following reflect recent accounting pronouncements that have been adopted or are pending adoption by the Company. As the Company qualifies as an emerging growth company and has elected the extended transition period for complying with new or revised accounting pronouncements, it is not subject to new or revised accounting standards applicable to public companies during the extended transition period. The accounting pronouncements pending adoption below reflect effective dates for the Company as an emerging growth company with the extended transition period.

Adopted Accounting Pronouncement

Nonrefundable Fees and Other Costs (Subtopic 310‑20)—In March 2017, FASB issued ASU No. 2017‑08, Receivables—Nonrefundable Fees and Other Costs. The amendments in the ASU shorten the amortization period for certain callable debt securities held at a premium at the earliest call date. Under current GAAP, the Company amortizes the premium as an adjustment of yield over the contractual life of the instrument. As a result, upon exercise of a call on a callable debt security held at a premium, the unamortized premium is charged to earnings. The ASU shortens the amortization period for certain callable debt securities held at a premium and requires the premium to be amortized to the earliest call date. However, the amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. The amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. The Company is required to apply the amendments on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Given our emerging growth status, the Company adopted these amendments on January 1, 2020 in conjunction with ASU No. 2017-08, which did not have a material impact on the Company’s Consolidated Financial Statements.

Issued Accounting Pronouncements Pending Adoption

Leases (Topic 842)—In February 2016, FASB issued ASU No. 2016‑02, Leases. The amendments in this ASU require lessees to recognize the following for all leases (with the exception of short-term) at the commencement date: a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and 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. The amendments in this ASU leave lessor accounting largely unchanged, although certain targeted improvements were made to align lessor accounting with the lessee accounting model. This ASU simplifies the accounting for sale and leaseback transactions primarily because lessees must recognize lease assets and lease liabilities. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company is evaluating the new guidance and its impact on the Company’s Consolidated Statements of Operations and Consolidated Statements of Financial Condition. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of this ASU for entities not classified as Public Business Entities (PBEs). Our status as an emerging growth company makes us eligible for this deferral. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2020, and interim periods with fiscal years beginning after December 15, 2021. The Company expects an increase in assets and liabilities as a result of recognizing additional right-of-use assets and liabilities under lease contracts in which the Company is lessee. While the Company has not quantified the impact of this ASU on its direct financing lease portfolio, it does not expect a material change in its accounting for the initial direct costs related to these leases.

Financial Instruments—Credit Losses (Topic 326)—In June 2016, FASB issued ASU No. 2016‑13, Measurement of Credit Losses on Financial Instruments. Current GAAP requires an “incurred loss” methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. The main objective of this ASU 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 amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The amendments in this ASU require a financial asset (or group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses will be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. The amendments in this ASU broaden the information that an entity must consider in developing its expected credit loss estimate for assets measured either collectively or individually. The use of forecasted information incorporates more timely information in the estimate of expected credit loss, which will be more useful to users of the financial statements. In November 2019, FASB issued ASU No. 2019-10, Effective Dates, which delays the effective date of the ASU for entities not classified as PBEs. Assuming the Company remains an emerging growth company, the new authoritative guidance is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is in the process of implementation and determining the impact that this ASU will have on the Company’s Consolidated Financial Statements.

Income Taxes (Topic 740)—In December 2019, FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes.  The amendments in the ASU simplify the accounting for income taxes by removing the following:   the exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; the exception to the requirement to or not to recognize a deferred tax liability for a foreign entity when it becomes an equity method investment or it becomes a subsidiary, respectively; and the exception to the general methodology for calculating income taxes in an interim period when a  year-to-date loss exceeds the anticipated loss for the year.  The amendments in the ASU changes current authoritative guidance by requiring the recognition of franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax;  requiring an evaluation when a step up in the tax basis of goodwill should be considered part the of business combination; specifying that it is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that includes the

enactment date.  The amendments are effective for annual periods beginning after December 15, 2021, and interim periods within annual periods beginning after December 15, 2022.  Early adoption is permitted.  Assuming the Company remains an emerging growth company, the new authoritative guidance will be effective for reporting periods after January 1, 2022. The Company is currently evaluating the provisions of ASU No. 2019-12 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

Reference Rate Reform (Topic 848)—In March 2020, FASB issued ASU No. 2020-04, Facilitation of the Effects of Reference Rate Reform on Financial Reporting.  The amendments in the ASU provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting.  The amendments in the ASU provide optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued.  The ASU is intended to help stakeholders during the global market-wide reference rate transition period. The amendments in the ASU will be in effect for all entities as of March 12, 2020 through December 31, 2022.  The Company is currently evaluating the provisions of ASU No. 2020-04 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements.

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Acquisition (Tables)

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Summary of Fair Values of Assets and Liabilities Assumed as of Acquisition Date

The following table presents a summary of the fair values of assets acquired and liabilities assumed as of the acquisition date:

Assets
Cash and cash equivalents	$	10,469
Securities available-for-sale		30,343
Restricted stock		414
Loans		257,423
Premises and equipment		3,488
Other real estate owned		2,201
Other intangible assets		6,220
Bank-owned life insurance		3,485
Deferred tax assets, net		5,925
Other assets		1,231
Total assets acquired		321,199
Liabilities
Deposits		290,171
Line of credit		5,655
Federal Home Loan Bank advances		5,300
Accrued expenses and other liabilities		4,766
Total liabilities assumed		305,892
Net assets acquired	$	15,307
Consideration paid
Common stock (1,464,558 shares issued at $20.02 per share)		29,320
Cash paid		6,163
Total consideration paid		35,483
Goodwill	$	20,176

Summary of Acquired Non-Impaired Loans as of Acquisition Date

The following table presents the acquired non-impaired loans as of the acquisition date:  

Fair value	$	204,496
Gross contractual amounts receivable		254,755
Estimate of contractual cash flows not expected to be    collected(1)		12,987
Estimate of contractual cash flows expected to be collected		241,768

(1) Includes interest payments not expected to be collected due to loan prepayments as well as principal and interest payments not expected to be collected due to customer default.

Summary of Unaudited Pro Forma Information for Results of Operations

The following table provides the unaudited pro forma information for the results of operations for the three and six months ended June 30, 2019, as if the acquisitions had occurred on January 1, 2019. The pro forma results combine the historical results of Oak Park River Forest into the Company’s Consolidated Statements of Operations, including the impact of certain acquisition accounting adjustments, which includes loan discount accretion, intangible assets amortization, deposit premium accretion, and borrowings, net of discount amortization. The pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the results that would have been obtained had the acquisition actually occurred on January 1, 2019. No assumptions have been applied to the pro forma results of operations regarding possible revenue enhancements, provision for credit losses, expense efficiencies or asset dispositions. The acquisition-related expenses that have been recognized are included in net income in the following table for the three and six months ended June 30, 2019.

	For the Three Months Ended		For the Six Months Ended
	June 30,		June 30,
	2019		2019
Total revenues (net interest income and non-interest income)	$	68,003	$	136,262
Net income	$	13,982	$	27,572
Earnings per share—basic	$	0.35	$	0.71
Earnings per share—diluted	$	0.34	$	0.70

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Securities (Tables)

6 Months Ended

Jun. 30, 2020

Investments Debt And Equity Securities [Abstract]

Summary of Amortized Cost and Fair Values of Securities Available-for-sale, and Held to Maturity

The following tables summarize the amortized cost and fair values of securities available-for-sale and securities held-to-maturity as of the dates shown and the corresponding amounts of gross unrealized gains and losses:

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	30,443	$	652	$	—		$	31,095
U.S. Government agencies		137,002		865		(72	)		137,795
Obligations of states, municipalities, and political    subdivisions		120,427		4,735		(6	)		125,156
Residential mortgage-backed securities
Agency		662,424		17,566		(125	)		679,865
Non-agency		75,844		1,447		—			77,291
Commercial mortgage-backed securities
Agency		232,137		7,028		(111	)		239,054
Non-agency		30,984		237		—			31,221
Corporate securities		55,599		1,020		(341	)		56,278
Asset-backed securities		50,431		—		(1,315	)		49,116
Total	$	1,395,291	$	33,550	$	(1,970	)	$	1,426,871

June 30, 2020	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,404	$	178	$	—	$	4,582
Total	$	4,404	$	178	$	—	$	4,582

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale
U.S. Treasury Notes	$	41,403	$	427	$	—		$	41,830
U.S. Government agencies		165,162		542		(754	)		164,950
Obligations of states, municipalities, and political    subdivisions		92,806		2,075		(49	)		94,832
Residential mortgage-backed securities
Agency		490,427		2,163		(2,354	)		490,236
Non-agency		109,501		593		(272	)		109,822
Commercial mortgage-backed securities
Agency		159,650		1,092		(1,041	)		159,701
Non-agency		31,144		130		—			31,274
Corporate securities		48,796		571		(37	)		49,330
Asset-backed securities		44,515		—		(198	)		44,317
Total	$	1,183,404	$	7,593	$	(4,705	)	$	1,186,292

December 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Held-to-maturity
Obligations of states, municipalities, and political    subdivisions	$	4,412	$	86	$	—	$	4,498
Total	$	4,412	$	86	$	—	$	4,498

Summary of Gross Unrealized Losses and Fair Values, Aggregated by Investment Category and Length of Individual Securities Continuous Unrealized Loss Position Available-for-sale and Held to Maturity

Gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of June 30, 2020 and December 31, 2019, are summarized as follows:

			Less than 12 Months					12 Months or Longer					Total
June 30, 2020	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		3	$	27,051	$	(72	)	$	—	$	—		$	27,051	$	(72	)
Obligations of states, municipalities and    political subdivisions		3		415		(6	)		—		—			415		(6	)
Residential mortgage-backed securities
Agency		7		62,821		(119	)		542		(6	)		63,363		(125	)
Non-agency		—		—		—			—		—			—		—
Commercial mortgage-backed securities
Agency		1		10,139		(111	)		—		—			10,139		(111	)
Non-agency		—		—		—			—		—			—		—
Corporate securities		12		23,629		(341	)		—		—			23,629		(341	)
Asset-backed securities		9		43,115		(1,315	)		—		—			43,115		(1,315	)
Total		35	$	167,170	$	(1,964	)	$	542	$	(6	)	$	167,712	$	(1,970	)

			Less than 12 Months					12 Months or Longer					Total
December 31, 2019	# of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale
U.S. Government agencies		8	$	49,318	$	(662	)	$	20,283	$	(92	)	$	69,601	$	(754	)
Obligations of states, municipalities and    political subdivisions		7		13,309		(45	)		1,419		(4	)		14,728		(49	)
Residential mortgage-backed securities
Agency		50		132,703		(666	)		193,363		(1,688	)		326,066		(2,354	)
Non-agency		9		36,902		(206	)		10,126		(66	)		47,028		(272	)
Commercial mortgage-backed securities
Agency		13		67,649		(563	)		32,678		(478	)		100,327		(1,041	)
Corporate securities		4		6,103		(37	)		—		—			6,103		(37	)
Asset-backed securities		8		37,738		(198	)		—		—			37,738		(198	)
Total		99	$	343,722	$	(2,377	)	$	257,869	$	(2,328	)	$	601,591	$	(4,705	)

Summary of Proceeds From Sales of Securities Available-for-sale and Associated Gains and Losses

The proceeds from all sales of securities available-for-sale, and the associated gains and losses, for the three and six months ended June 30, 2020 and 2019 are listed below:

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Proceeds	$	—	$	59,594	$	45,417	$	59,594
Gross gains		—		1,049		1,457		1,049
Gross losses		—		76		82		76

Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

At June 30, 2020, the amortized cost and fair value of debt securities are shown by contractual 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. Securities not due at a single maturity date are shown separately. 

	Amortized Cost		Fair Value
Available-for-sale
Due in one year or less	$	30,114	$	30,390
Due from one to five years		49,382		50,805
Due from five to ten years		175,499		178,405
Due after ten years		138,907		139,840
Mortgage-backed securities		1,001,389		1,027,431
Total	$	1,395,291	$	1,426,871
Held-to-maturity
Due in one year or less	$	504	$	508
Due from one to five years		3,900		4,074
Total	$	4,404	$	4,582

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Loan and Lease Receivables (Tables)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Schedule of Outstanding Loan and Lease Receivables

Outstanding loan and lease receivables as of the dates shown were categorized as follows:

	June 30,			December 31,
	2020			2019
Commercial real estate	$	1,349,297		$	1,275,058
Residential real estate		670,257			711,499
Construction, land development, and other land		246,669			279,403
Commercial and industrial		1,309,523			1,330,418
Paycheck Protection Program ("PPP")		626,593			—
Installment and other		3,684			6,484
Lease financing receivables		174,307			177,774
Total loans and leases		4,380,330			3,780,636
Net unamortized deferred fees and costs		8,271			2,289
Initial direct costs		2,521			2,736
Allowance for loan and lease losses		(51,300	)		(31,936	)
Net loans and leases	$	4,339,822		$	3,753,725

	June 30,			December 31,
	2020			2019
Lease financing receivables
Net minimum lease payments	$	188,826		$	193,359
Unguaranteed residual values		1,575			1,347
Unearned income		(16,094	)		(16,932	)
Total lease financing receivables		174,307			177,774
Initial direct costs		2,521			2,736
Lease financial receivables before allowance for    lease losses	$	176,828		$	180,510

Summary of Minimum Annual Lease Payments for Lease Financing Receivables

The minimum annual lease payments for lease financing receivables as of June 30, 2020 are summarized as follows:

	Minimum Lease Payments
2020	$	36,115
2021		64,203
2022		46,052
2023		27,303
2024		12,721
Thereafter		2,432
Total	$	188,826

Summary of Balances for Each Respective Loan and Lease Category

The following tables summarize the balances for each respective loan and lease category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	919,510	$	126,405	$	305,041	$	1,350,956
Residential real estate		480,692		90,784		99,288		670,764
Construction, land development, and other land		219,261		4,784		21,958		246,003
Commercial and industrial		1,200,996		13,485		116,668		1,331,149
Paycheck Protection Program		611,664		—		—		611,664
Installment and other		2,714		226		818		3,758
Lease financing receivables		160,741		—		16,087		176,828
Total loans and leases	$	3,595,578	$	235,684	$	559,860	$	4,391,122

December 31, 2019	Originated		Acquired Impaired		Acquired Non- Impaired		Total
Commercial real estate	$	792,263	$	135,914	$	348,365	$	1,276,542
Residential real estate		483,072		100,223		128,527		711,822
Construction, land development, and other land		235,794		5,373		37,490		278,657
Commercial and industrial		1,160,996		16,909		153,660		1,331,565
Installment and other		5,372		249		944		6,565
Lease financing receivables		158,155		—		22,355		180,510
Total loans and leases	$	2,835,652	$	258,668	$	691,341	$	3,785,661

Schedule of Estimated Fair Value of Impaired Loans Acquired at Acquisition

The following table presents a reconciliation of the undiscounted contractual cash flows, non-accretable difference, accretable yield, and fair value of acquired impaired loans as of the acquisition date of April 30, 2019:

Undiscounted contractual cash flows	$	74,092
Undiscounted cash flows not expected to be collected (non-accretable difference)		(11,401	)
Undiscounted cash flows expected to be collected		62,691
Accretable yield at acquisition		(9,764	)
Estimated fair value of impaired loans acquired at acquisition	$	52,927

Summary of Outstanding Balance and Carrying Amount of All Acquired Impaired Loans

The outstanding balance and carrying amount of all acquired impaired loans are summarized below. The balances do not include an allowance for loan and lease losses of $4.7 million and $2.8 million, at June 30, 2020 and December 31, 2019, respectively.

	June 30, 2020				December 31, 2019
	Outstanding Balance		Carrying Value		Outstanding Balance		Carrying Value
Commercial real estate	$	134,224	$	126,405	$	189,969	$	135,914
Residential real estate		95,706		90,784		151,641		100,223
Construction, land development, and other land		7,530		4,784		14,841		5,373
Commercial and industrial		17,716		13,485		23,330		16,909
Installment and other		284		226		1,099		249
Total acquired impaired loans	$	255,460	$	235,684	$	380,880	$	258,668

Summary of Changes in Accretable Yield for Acquired Impaired Loans

The following table summarizes the changes in accretable yield for acquired impaired loans for the three and six months ended June 30, 2020 and 2019: 

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Beginning balance	$	37,037		$	29,340		$	40,009		$	37,115
Additions		—			8,501			—			8,501
Accretion to interest income		(4,452	)		(5,996	)		(9,657	)		(11,245	)
Reclassification from (to) nonaccretable difference, net		(717	)		14,693			1,516			12,167
Ending balance	$	31,868		$	46,538		$	31,868		$	46,538

Schedule of Unpaid Principal Balance and Carrying Value for Acquired Non-Impaired Loans and Leases

The unpaid principal balance and carrying value for acquired non-impaired loans and leases at June 30, 2020 and December 31, 2019 were as follows:

	June 30, 2020				December 31, 2019
	Unpaid Principal Balance		Carrying Value		Unpaid Principal Balance		Carrying Value
Commercial real estate	$	312,284	$	305,041	$	356,787	$	348,365
Residential real estate		100,571		99,288		130,412		128,527
Construction, land development, and other land		22,411		21,958		38,416		37,490
Commercial and industrial		120,626		116,668		159,599		153,660
Installment and other		840		818		971		944
Lease financing receivables		17,687		16,087		23,976		22,355
Total acquired non-impaired loans and leases	$	574,419	$	559,860	$	710,161	$	691,341

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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments (Tables)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments

The following tables summarize the balance and activity within the allowance for loan and lease losses, the components of the allowance for loan and lease losses in terms of loans and leases individually and collectively evaluated for impairment, and corresponding loan and lease balances by type for the three and six months ended June 30, 2020 and 2019 are as follows:

June 30, 2020	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Paycheck Protection Program		Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	11,851		$	2,778		$	1,004	$	24,139		$	—	$	53		$	2,015		$	41,840
Provisions		3,306			956			487		10,695			—		(17	)		91			15,518
Charge-offs		(1,088	)		(4	)		—		(4,845	)		—		—			(561	)		(6,498	)
Recoveries		41			11			—		119			—		—			269			440
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Six months ended
Beginning balance	$	7,965		$	1,990		$	610	$	19,377		$	—	$	50		$	1,944		$	31,936
Provisions		7,728			1,740			881		19,241			—		(14	)		397			29,973
Charge-offs		(1,640	)		(9	)		—		(8,803	)		—		—			(1,018	)		(11,470	)
Recoveries		57			20			—		293			—		—			491			861
Ending balance	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300
Ending balance:
Individually evaluated for    impairment	$	3,525		$	80		$	—	$	10,409		$	—	$	—		$	—		$	14,014
Collectively evaluated for    impairment		8,576			2,898			1,404		17,822			—		36			1,814			32,550
Loans acquired with deteriorated credit quality		2,009			763			87		1,877			—		—			—			4,736
Total allowance for loan and lease losses	$	14,110		$	3,741		$	1,491	$	30,108		$	—	$	36		$	1,814		$	51,300

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	36,751	$	1,805	$	4,189	$	35,545	$	—	$	—	$	—	$	78,290
Collectively evaluated for    impairment		1,187,800		578,175		237,030		1,282,119		611,664		3,532		176,828		4,077,148
Loans acquired with deteriorated credit quality		126,405		90,784		4,784		13,485		—		226		—		235,684
Total loans and leases	$	1,350,956	$	670,764	$	246,003	$	1,331,149	$	611,664	$	3,758	$	176,828	$	4,391,122

June 30, 2019	Commercial Real Estate			Residential Real Estate			Construction, Land Development, and Other Land		Commercial and Industrial			Installment and Other			Lease Financing Receivables			Total
Allowance for loan and lease losses
Three months ended
Beginning balance	$	6,660		$	1,970		$	536	$	15,630		$	63		$	2,247		$	27,106
Provisions		2,695			(62	)		155		3,320			8			275			6,391
Charge-offs		(818	)		(9	)		—		(1,827	)		(4	)		(622	)		(3,280	)
Recoveries		397			272			—		3			—			243			915
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Six months ended
Beginning balance	$	7,540		$	1,751		$	466	$	12,932		$	49		$	2,463		$	25,201
Provisions		3,137			156			225		6,352			22			498			10,390
Charge-offs		(2,169	)		(9	)		—		(2,179	)		(4	)		(1,267	)		(5,628	)
Recoveries		426			273			—		21			—			449			1,169
Ending balance	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132
Ending balance:
Individually evaluated for    impairment	$	2,775		$	22		$	—	$	6,489		$	—		$	—		$	9,286
Collectively evaluated for    impairment		4,433			1,559			676		9,495			65			2,143			18,371
Loans acquired with deteriorated    credit quality		1,726			590			15		1,142			2			—			3,475
Total allowance for loan and lease    losses	$	8,934		$	2,171		$	691	$	17,126		$	67		$	2,143		$	31,132

June 30, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Loans and leases ending balance:
Individually evaluated for    impairment	$	18,707	$	2,899	$	—	$	24,278	$	—	$	—	$	45,884
Collectively evaluated for    impairment		1,141,705		656,329		247,728		1,275,922		12,609		188,420		3,522,713
Loans acquired with deteriorated    credit quality		151,127		118,534		4,220		20,370		300		—		294,551
Total loans and leases	$	1,311,539	$	777,762	$	251,948	$	1,320,570	$	12,909	$	188,420	$	3,863,148

Summary of Recorded Investment, Unpaid Principal Balance, and Related Allowance for Loans and Leases Considered Impaired

The following tables summarize the recorded investment, unpaid principal balance, and related allowance for loans and leases considered impaired as of June 30, 2020 and December 31, 2019, which exclude acquired impaired loans.  For purposes of these tables, the unpaid principal balance represents the outstanding contractual balance. Impaired loans include loans that are individually evaluated for impairment as well as troubled debt restructurings for all loan categories. The sum of non-accrual loans and loans past due 90 days still on accrual will differ from the total impaired loan amount.

June 30, 2020	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	24,950	$	91,211	$	—
Residential real estate		1,534		1,624		—
Construction, land development, and other land		4,189		4,216		—
Commercial and industrial		16,774		43,215		—
With an allowance recorded
Commercial real estate		11,801		47,249		3,525
Residential real estate		271		274		80
Commercial and industrial		18,771		59,869		10,409
Total impaired loans	$	78,290	$	247,658	$	14,014

December 31, 2019	Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Commercial real estate	$	16,556	$	19,808	$	—
Residential real estate		2,165		2,253		—
Construction, land development, and other land		2,644		3,000		—
Commercial and industrial		19,211		20,398		—
With an allowance recorded
Commercial real estate		9,840		10,691		2,614
Residential real estate		233		233		124
Commercial and industrial		18,092		19,285		7,952
Total impaired loans	$	68,741	$	75,668	$	10,690

Summary of Average Recorded Investment and Interest Income Recognized for Loans and Leases Considered Impaired

The following tables summarize the average recorded investment and interest income recognized for loans and leases considered impaired, which excludes acquired impaired loans, for the six months ended:

June 30, 2020	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	20,544	$	555
Residential real estate		1,398		15
Construction, land development, and other land		3,094		220
Commercial and industrial		16,651		262
With an allowance recorded
Commercial real estate		13,402		339
Residential real estate		512		21
Commercial and industrial		22,948		746
Total impaired loans	$	78,549	$	2,158

June 30, 2019	Average Recorded Investment		Interest Income Recognized
With no related allowance recorded
Commercial real estate	$	8,094	$	187
Residential real estate		1,785		27
Commercial and industrial		11,583		223
With an allowance recorded
Commercial real estate		6,793		155
Residential real estate		219		4
Commercial and industrial		12,043		247
Total impaired loans	$	40,517	$	843

Summary of Risk Rating Categories of Loans and Leases Considered for Inclusion in Allowance for Loan and Lease Losses Calculation

The following tables summarize the risk rating categories of the loans and leases considered for inclusion in the allowance for loan and lease losses calculation, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

June 30, 2020	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Paycheck Protection Program		Installment and Other		Lease Financing Receivables		Total
Pass	$	1,012,490	$	551,885	$	232,121	$	1,053,606	$	611,664	$	3,257	$	172,443	$	3,637,466
Watch		139,224		20,614		3,472		175,207		—		273		—		338,790
Special Mention		37,306		3,731		1,437		52,739		—		—		2,242		97,455
Substandard		35,531		3,750		4,189		36,112		—		2		1,574		81,158
Doubtful		—		—		—		—		—		—		569		569
Loss		—		—		—		—		—		—		—		—
Total	$	1,224,551	$	579,980	$	241,219	$	1,317,664	$	611,664	$	3,532	$	176,828	$	4,155,438

December 31, 2019	Commercial Real Estate		Residential Real Estate		Construction, Land Development, and Other Land		Commercial and Industrial		Installment and Other		Lease Financing Receivables		Total
Pass	$	984,881	$	584,363	$	247,775	$	1,087,856	$	6,013	$	177,696	$	3,088,584
Watch		99,803		21,856		18,181		159,282		302		8		299,432
Special Mention		27,484		3,648		4,684		26,944		—		1,799		64,559
Substandard		28,460		1,732		2,644		40,574		1		728		74,139
Doubtful		—		—		—		—		—		279		279
Loss		—		—		—		—		—		—		—
Total	$	1,140,628	$	611,599	$	273,284	$	1,314,656	$	6,316	$	180,510	$	3,526,993

Summary of Contractual Delinquency Information

The following tables summarize contractual delinquency information for acquired non-impaired and originated loans and leases by category at June 30, 2020 and December 31, 2019:

June 30, 2020	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	2,864	$	2,150	$	—	$	17,963	$	22,977	$	1,201,574	$	1,224,551
Residential real estate		2,302		349		—		1,780		4,431		575,549		579,980
Construction, land development, and    other land		—		—		—		—		—		241,219		241,219
Commercial and industrial		3,298		360		—		19,100		22,758		1,294,906		1,317,664
Paycheck Protection Program		—		—		—		—		—		611,664		611,664
Installment and other		4		36		—		2		42		3,490		3,532
Lease financing receivables		912		396		—		1,660		2,968		173,860		176,828
Total	$	9,380	$	3,291	$	—	$	40,505	$	53,176	$	4,102,262	$	4,155,438

December 31, 2019	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days and Accruing		Non- accrual		Total Past Due		Current		Total
Commercial real estate	$	14,269	$	5,153	$	—	$	12,274	$	31,696	$	1,108,932	$	1,140,628
Residential real estate		3,187		460		—		1,371		5,018		606,581		611,599
Construction, land development, and    other land		—		4,460		—		—		4,460		268,824		273,284
Commercial and industrial		7,789		3,594		—		22,151		33,534		1,281,122		1,314,656
Installment and other		133		2		—		1		136		6,180		6,316
Lease financing receivables		585		532		—		475		1,592		178,918		180,510
Total	$	25,963	$	14,201	$	—	$	36,272	$	76,436	$	3,450,557	$	3,526,993

Summary of TDR's by Loan Category

The tables below present TDRs by loan category as of June 30, 2020 and December 31, 2019:

June 30, 2020	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		7	$	2,856	$	2,856	$	—	$	98
Commercial and industrial		2		123		123		—		101
Residential real estate		2		172		172		—		—
Total accruing		11		3,151		3,151		—		199
Non-accruing:
Commercial real estate		6		2,840		1,911		929		55
Commercial and industrial		13		5,524		5,447		77		3,757
Residential real estate		1		91		91		—		—
Total non-accruing		20		8,455		7,449		1,006		3,812
Total troubled debt restructurings		31	$	11,606	$	10,600	$	1,006	$	4,011

December 31, 2019	Number of Loans		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserves
Accruing:
Commercial real estate		5	$	1,451	$	1,451	$	—	$	223
Commercial and industrial		2		129		129		—		118
Residential real estate		2		191		191		—		—
Total accruing		9		1,771		1,771		—		341
Non-accruing:
Commercial real estate		6		2,777		2,600		177		513
Commercial and industrial		11		8,048		6,096		1,952		1,312
Residential real estate		1		104		104		—		—
Total non-accruing		18		10,929		8,800		2,129		1,825
Total troubled debt restructurings		27	$	12,700	$	10,571	$	2,129	$	2,166

Summary of Loans Modified as Troubled Debt Restructurings

Loans modified as troubled debt restructurings that occurred during the three and six months ended June 30, 2020 and 2019 were:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Accruing:
Beginning balance	$	1,725		$	1,921		$	1,771		$	1,813
Additions		—			—			—			113
Net payments		(30	)		(44	)		(76	)		(49	)
Net transfers from (to) non-accrual		1,456			(348	)		1,456			(348	)
Ending balance		3,151			1,529			3,151			1,529
Non-accruing:
Beginning balance		12,117			7,119			8,800			7,314
Additions		1,375			1,182			5,633			1,428
Net payments		(445	)		(815	)		(1,386	)		(726	)
Charge-offs		(4,142	)		—			(4,142	)		(530	)
Net transfers from (to) accrual		(1,456	)		348			(1,456	)		348
Ending balance		7,449			7,834			7,449			7,834
Total troubled debt restructurings	$	10,600		$	9,363		$	10,600		$	9,363

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Servicing Assets (Tables)

6 Months Ended

Jun. 30, 2020

Transfers And Servicing [Abstract]

Activity for Servicing Assets and Related Changes in Fair Value

Activity for servicing assets and the related changes in fair value for the three and six months ended June 30, 2020 and 2019 was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	17,800		$	19,534		$	19,471		$	19,693
Additions, net		1,262			1,449			2,655			2,551
Changes in fair value		(711	)		(1,223	)		(3,775	)		(2,484	)
Ending balance	$	18,351		$	19,760		$	18,351		$	19,760

Unpaid Principal Balances of Loans Serviced for Others

The unpaid principal balances of these loans serviced for others as of June 30, 2020 and December 31, 2019 were as follows:

	June 30,		December 31,
	2020		2019
Loan portfolios serviced for:
SBA guaranteed loans	$	1,278,876	$	1,231,959
USDA guaranteed loans		123,450		119,047
Total	$	1,402,326	$	1,351,006

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Other Real Estate Owned (Tables)

6 Months Ended

Jun. 30, 2020

Banking And Thrift [Abstract]

Change in Other Real Estate Owned

The following table presents the change in other real estate owned (“OREO”) for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Beginning balance	$	9,273		$	4,595		$	9,896		$	5,041
Acquisitions of OREO through business    combination		—			2,201			—			2,201
Net additions to OREO		64			510			86			536
Proceeds from sales of OREO		(386	)		(702	)		(650	)		(1,057	)
Gains (losses) on sales of OREO		3			6			85			(27	)
Valuation adjustments		(302	)		(79	)		(765	)		(163	)
Ending balance	$	8,652		$	6,531		$	8,652		$	6,531

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Goodwill, Core Deposit Intangible and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill, Core Deposit Intangible Assets and Customer Relationship Intangible Assets

The following tables summarize the changes in the Company’s goodwill, core deposit intangible assets, and customer relationship intangible assets for the three and six months ended June 30, 2020 and 2019:  

	Three Months Ended June 30,
	2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	27,285		$	2,724		$	128,177	$	28,654		$	2,992
Additions		—		—			—			17,461		6,220			—
Amortization		—		(1,826	)		(66	)		—		(1,892	)		(66	)
Ending balance	$	148,353	$	25,459		$	2,658		$	145,638	$	32,982		$	2,926
Accumulated amortization	N/A		$	30,007		$	558		N/A		$	22,484		$	290
Weighted average remaining    amortization period	N/A		6.0 Years			9.9 Years			N/A		7.0 Years			10.9 Years

Estimated Amortization Expense for Core Deposit Intangible and Customer Relationship Intangible Recognized

The following table presents the estimated amortization expense for core deposit intangible and customer relationship intangible assets remaining at June 30, 2020:

	Estimated Amortization
2020	$	3,785
2021		6,998
2022		6,426
2023		4,371
2024		2,286
Thereafter		4,251
Total	$	28,117

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Deposits (Tables)

6 Months Ended

Jun. 30, 2020

Deposits [Abstract]

Composition of Deposits

The composition of deposits was as follows as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Non-interest-bearing demand deposits	$	1,768,675	$	1,279,641
Interest-bearing checking accounts		503,909		338,185
Money market demand accounts		1,233,748		881,387
Other savings		525,043		475,839
Time deposits (below $250,000)		710,429		916,723
Time deposits ($250,000 and above)		216,541		255,802
Total deposits	$	4,958,345	$	4,147,577

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Other Borrowings (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Summary of Other Borrowings

The following is a summary of the Company’s other borrowings as of June 30, 2020 and December 31, 2019:

	June 30,		December 31,
	2020		2019
Paycheck Protection Program Liquidity Facility	$	449,889	$	—
Line of credit		—		—
Federal Home Loan Bank advances		4,000		490,000
Securities sold under agreements to repurchase		56,525		49,638
Total	$	510,414	$	539,638

Summary of Short-term Credit Lines Available for Use

The following table presents short-term credit lines available for use as of June 30, 2020 and December 31, 2019:    

	June 30,		December 31,
	2020		2019
Available federal funds lines (1)	$	115,000	$	115,000
Federal Reserve Bank discount window line		884,968		547,798
Federal Home Loan Bank line		1,980,351		1,390,698

(1) The Company did not have an outstanding balance on its federal funds lines as of June 30, 2020 and December 31, 2019.

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Subordinated Notes and Junior Subordinated Debentures (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Junior Subordinated Debentures by Issuance

At June 30, 2020 and December 31, 2019, the Company’s junior subordinated debentures by issuance were as follows:

Name of Trust	Aggregate Principal Amount June 30, 2020			Aggregate Principal Amount December 31, 2019			Stated Maturity	Contractual Rate at June 30, 2020			Interest Rate Spread
Metropolitan Statutory Trust 1	$	35,000		$	35,000		March 17, 2034		3.09	%	Three-month LIBOR + 2.79%
RidgeStone Capital Trust I		—			1,500		June 30, 2033	n/a			Five-year LIBOR + 3.50%
First Evanston Bancorp Trust I		10,000			10,000		March 15, 2035		2.09	%	Three-month LIBOR + 1.78%
Total liability, at par		45,000			46,500
Discount		(8,794	)		(9,166	)
Total liability, at carrying value	$	36,206		$	37,334

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Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Minimum Annual Rental Commitments for Operating Leases

The minimum annual rental commitments for operating leases subsequent to June 30, 2020, exclusive of taxes and other charges, are summarized as follows:

	Minimum Rental Commitments
2020	$	2,258
2021		4,148
2022		2,380
2023		1,382
2024		1,249
Thereafter		2,148
Total	$	13,565

Summary of Contract or Notional Amount of Outstanding Loan and Lease Commitments

The following table summarizes the contract or notional amount of outstanding loan and lease commitments at June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
	Fixed Rate		Variable Rate		Total		Fixed Rate		Variable Rate		Total
Commitments to extend credit	$	81,722	$	962,873	$	1,044,595	$	55,852	$	908,382	$	964,234
Letters of credit		692		62,207		62,899		724		65,514		66,238
Total	$	82,414	$	1,025,080	$	1,107,494	$	56,576	$	973,896	$	1,030,472

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Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize the Company’s financial assets and liabilities that were measured at fair value on a recurring basis at June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	31,095	$	31,095	$	—	$	—
U.S. Government agencies		137,795		—		137,795		—
Obligations of states, municipalities, and political    subdivisions		125,156		—		125,156		—
Mortgage-backed securities; residential
Agency		679,865		—		679,865		—
Non-Agency		77,291		—		77,291		—
Mortgage-backed securities; commercial
Agency		239,054		—		239,054		—
Non-Agency		31,221		—		31,221		—
Corporate securities		56,278		—		56,278		—
Asset-backed securities		49,116		—		49,116		—
Equity and other securities, at fair value
Mutual funds		2,996		2,996		—		—
Equity securities		5,185		—		4,501		684
Servicing assets		18,351		—		—		18,351
Derivative assets		20,084		—		20,084		—
Financial liabilities
Derivative liabilities		21,393		—		21,393		—

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Financial assets
Securities available-for-sale
U.S. Treasury Notes	$	41,830	$	41,830	$	—	$	—
U.S. Government agencies		164,950		—		164,950		—
Obligations of states, municipalities, and political    subdivisions		94,832		—		94,832		—
Mortgage-backed securities; residential
Agency		490,236		—		490,236		—
Non-Agency		109,822		—		109,822		—
Mortgage-backed securities; commercial
Agency		159,701		—		159,701		—
Non-Agency		31,274		—		31,274		—
Corporate securities		49,330		—		49,330		—
Asset-backed securities		44,317		—		44,317		—
Equity and other securities, at fair value
Mutual funds		2,952		2,952		—		—
Equity securities		5,079		—		4,379		700
Servicing assets		19,471		—		—		19,471
Derivative assets		7,960		—		7,960		—
Financial liabilities
Derivative liabilities		8,519		—		8,519		—

Summary of Financial Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs

The following table presents additional information about financial assets measured at fair value on recurring basis for which the Company used significant unobservable inputs (Level 3):

	Six Months Ended June 30,
	2020			2019		2020			2019
	Investment Securities					Servicing Assets
Balance, beginning of period	$	700		$	886	$	19,471		$	19,693
Additions, net		—			—		2,655			2,551
Amortization		—			3		—			—
Change in fair value		(19	)		1		(3,775	)		(2,484	)
Balance, end of period	$	681		$	890	$	18,351		$	19,760

Summary of Unobservable Inputs Used in the Fair Value Measurements on Recurring Basis

The following table presents additional information about the unobservable inputs used in the fair value measurements on recurring basis that were categorized within Level 3 of the fair value hierarchy as of June 30, 2020:

Financial Instruments	Valuation Technique	Unobservable Inputs	Range of Inputs	Weighted Average Range			Impact to Valuation from an Increased or Higher Input Value
Single issuer trust preferred	Discounted cash flow	Discount rate	4.9% - 5.4%		5.5	%	Decrease
Servicing assets	Discounted cash flow	Prepayment speeds	1.7% - 29.2%		16.0	%	Decrease
		Discount rate	2.1% - 37.6%		11.5	%	Decrease
		Expected weighted average loan life	0.1 - 8.8 years	3.7 years			Increase

Summary of Assets Measured at Fair Value on Non-Recurring Basis, Excluding Acquired Impaired Loans

The following tables summarize the Company’s assets that were measured at fair value on a non-recurring basis, excluding acquired impaired loans, as of June 30, 2020 and December 31, 2019:

			Fair Value Measurements Using
June 30, 2020	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	33,226	$	—	$	—	$	33,226
Residential real estate		1,725		—		—		1,725
Construction, land development, and other land		4,189		—		—		4,189
Commercial and industrial		25,136		—		—		25,136
Assets held for sale		15,264		—		—		15,264
Other real estate owned		8,652		—		—		8,652

			Fair Value Measurements Using
December 31, 2019	Fair Value		Level 1		Level 2		Level 3
Non-recurring
Impaired loans (excluding acquired impaired loans)
Commercial real estate	$	23,782	$	—	$	—	$	23,782
Residential real estate		2,274		—		—		2,274
Construction, land development, and other land		2,644		—		—		2,644
Commercial and industrial		29,351		—		—		29,351
Assets held for sale		15,362		—		—		15,362
Other real estate owned		9,896		—		—		9,896

Summary of Estimated Fair Values of Financial Instruments

The estimated fair values of financial instruments not carried at fair value and levels within the fair value hierarchy are as follows:

			June 30,				December 31,
	Fair Value		2020				2019
	Hierarchy Level		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and due from banks		1	$	51,818	$	51,818	$	48,228	$	48,228
Interest bearing deposits with other banks		2		88,113		88,113		32,509		32,509
Securities held-to-maturity		2		4,404		4,582		4,412		4,498
Other restricted stock		2		6,232		6,232		22,127		22,127
Loans held for sale		3		3,031		3,357		11,732		12,935
Loans and lease receivables, net (less impaired loans    at fair value		3		4,275,546		4,211,233		3,695,674		3,661,724
Accrued interest receivable		3		15,633		15,633		13,283		13,283
Financial liabilities
Non-interest-bearing deposits		2		1,768,675		1,768,675		1,279,641		1,279,641
Interest-bearing deposits		2		3,189,670		3,193,090		2,867,936		2,873,380
Accrued interest payable		2		1,928		1,928		3,677		3,677
Paycheck Protection Program Liquidity Facility		2		449,889		449,889		—		—
Federal Home Loan Bank advances		2		4,000		4,000		490,000		490,000
Securities sold under repurchase agreement		2		56,525		56,525		49,638		49,638
Subordinated notes		2		50,000		49,999		—		—
Junior subordinated debentures		3		36,206		40,310		37,334		42,881

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Derivative Instruments and Hedge Activities (Tables)

6 Months Ended

Jun. 30, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Derivative Financial Instruments and Classification on Consolidated Statements of Financial Condition

The following tables present the fair value of the Company’s derivative financial instruments and classification on the Consolidated Statements of Financial Condition as of June 30, 2020 and December 31, 2019:

	June 30, 2020						December 31, 2019
			Fair Value						Fair Value
	Notional Amount		Other Assets		Other Liabilities		Notional Amount		Other Assets		Other Liabilities
Derivatives not designated as hedging instruments
Other interest rate derivatives		373,862		20,084		21,370		332,056		7,960		8,507
Other credit derivatives		8,870		—		23		9,302		—		12
Total derivatives	$	382,732	$	20,084	$	21,393	$	341,358	$	7,960	$	8,519

Summary of Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) and Consolidated Statements of Operations Relating to Cash Flow Derivative Instruments

The following table reflects the net gains (losses) recorded in accumulated other comprehensive income (loss) and the Consolidated Statements of Operations relating to the cash flow derivative instruments for the six months ended: 

	June 30, 2020							June 30, 2019
	Amount of Loss Recognized in OCI		Amount of Loss Reclassified from OCI to Income as an Increase to Interest Expense			Amount of Gain (Loss) Recognized in Other Non-Interest Income		Amount of Loss Recognized in OCI			Amount of Gain Reclassified from OCI to Income as a Decrease to Interest Expense		Amount of Gain (Loss) Recognized in Other Non-Interest Income
Interest rate swaps	$	—	$	(42	)	$	—	$	(5,234	)	$	1,280	$	—

Summary of Other Interest Rate Derivatives

The following table reflects other interest rate derivatives as of June 30, 2020:

Notional amounts	$	373,862
Derivative assets fair value		20,084
Derivative liabilities fair value		21,370
Weighted average pay rates		4.49	%
Weighted average receive rates		2.68	%
Weighted average maturity	6.4 years

Summary of Amounts Included in Non-Interest Income in Consolidated Statements of Operations Relating to Derivative Instruments not Designated in Hedging Relationship

The following table reflects amounts included in non-interest income in the Consolidated Statements of Operations relating to derivative instruments that are not designated in a hedging relationship for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020			2019			2020			2019
Other interest rate derivatives	$	(17	)	$	(221	)	$	(740	)	$	(372	)
Other credit derivatives		1			(3	)		(11	)		(4	)
Total	$	(16	)	$	(224	)	$	(751	)	$	(376	)

Summary of Company's Interest Rate Derivative and Offsetting Positions

The Company records interest rate derivatives subject to master netting agreements at their gross value and does not offset derivative asset and liabilities on the Consolidated Statements of Financial Condition. The table below summarizes the Company’s interest rate derivatives and offsetting positions as of: 

	June 30, 2020						December 31, 2019
	Derivative Assets Fair Value			Derivative Liabilities Fair Value			Derivative Assets Fair Value			Derivative Liabilities Fair Value
Gross amounts recognized	$	20,084		$	21,393		$	7,960		$	8,519
Less: Amounts offset in the Consolidated Statements of    Financial Condition		—			—			—			—
Net amount presented in the Consolidated Statements of    Financial Condition	$	20,084		$	21,393		$	7,960		$	8,519
Gross amounts not offset in the Consolidated Statements of    Financial Condition
Offsetting derivative positions		—			—			(1	)		(1	)
Collateral posted		(20,084	)		(21,261	)		(7,959	)		(8,518	)
Net credit exposure	$	—		$	132		$	—		$	—

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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Compensation Expense

The following table summarizes stock option compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation (benefit) - stock options	$	7	$	(133	)
Income tax benefit (expense)		2		(37	)
Unrecognized compensation expense - stock options		—		35
Weighted-average amortization period remaining	0.0 years		0.7 years

Restricted Shares

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Compensation Expense

The following table summarizes restricted stock compensation expense for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30,
	2020		2019
Total share-based compensation - restricted stock	$	1,336	$	807
Income tax benefit		372		225
Unrecognized compensation expense		6,329		4,829
Weighted-average amortization period remaining	2.7 years		3.0 years

Omnibus Plan

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Changes in Restricted Shares

The following table discloses the changes in restricted shares for the six months ended June 30, 2020:

	Omnibus Plan
	Number of Shares			Weighted Average Grant Date Fair Value
Beginning balance, January 1, 2020		328,653		$	19.94
Granted		174,179			17.52
Vested		(53,832	)		20.76
Forfeited		(143	)		17.50
Ending balance outstanding at June 30, 2020		448,857		$	18.90

BYB Plan

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity in shares Subjected to Options and Weighted Average Exercise Prices

The following table discloses the activity in shares subject to options and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	BYB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		1,410,075		$	11.38	$	11,542		5.4
Exercised		(19,496	)		13.00	$	139
Expired		—
Ending balance outstanding at    June 30, 2020		1,390,579		$	11.36	$	2,574		4.9
Exercisable at June 30, 2020		1,390,579		$	11.36	$	2,574		4.9

FEB Plan

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity in shares Subjected to Options and Weighted Average Exercise Prices

The following table discloses the activity in shares subject to options under the FEB Plan and the weighted average exercise prices, in actual dollars, for the six months ended June 30, 2020:

	FEB Plan
	Number of Shares			Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Contractual Term (in Years)
Beginning balance, January 1, 2020		511,169		$	11.35	$	4,204		4.4
Exercised		(41,102	)	$	11.65	$	313
Expired		—
Ending balance outstanding at    June 30, 2020		470,067		$	11.32	$	837		3.8
Exercisable at June 30, 2020		470,067		$	11.32	$	837		3.8

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Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Earnings per Share

The following represent the calculation of basic and diluted earnings per share for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	9,139	$	13,211	$	12,105	$	25,808
Less: Dividends on preferred shares		195		195		391		391
Net income available to common stockholders	$	8,944	$	13,016	$	11,714	$	25,417
Weighted-average common stock outstanding:
Weighted-average common stock outstanding    (basic)		37,919,480		37,263,352		37,931,406		36,719,436
Incremental shares		107,809		684,654		418,658		725,971
Weighted-average common stock outstanding (dilutive)		38,027,289		37,948,006		38,350,064		37,445,407
Basic earnings per common share	$	0.24	$	0.35	$	0.31	$	0.69
Diluted earnings per common share	$	0.24	$	0.34	$	0.31	$	0.68

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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Summary of Preferred and Common Stock

A summary of the Company’s preferred and common stock at June 30, 2020 and December 31, 2019 is as follows:

	June 30,		December 31,
	2020		2019
Series B 7.5% fixed to floating non-cumulative    perpetual preferred stock
Par value	$	0.01	$	0.01
Shares authorized		50,000		50,000
Shares issued		10,438		10,438
Shares outstanding		10,438		10,438
Common stock, voting
Par value	$	0.01	$	0.01
Shares authorized		150,000,000		150,000,000
Shares issued		38,506,703		38,256,500
Shares outstanding		38,388,217		38,256,500
Treasury shares		118,486		—

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Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2020

Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]

Schedule of Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive income (loss) for the six months ended June 30, 2020 and 2019:

(dollars in thousands)	Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Available-for -Sale Securities			Total Accumulated Other Comprehensive Income (Loss)
Balance, January 1, 2019	$	4,763		$	(14,261	)	$	(9,498	)
Adoption of ASU 2016-01		—			(1,440	)		(1,440	)
Other comprehensive income (loss), net of tax		(4,699	)		14,289			9,590
Balance, June 30, 2019	$	64		$	(1,412	)	$	(1,348	)
Balance, January 1, 2020	$	(366	)	$	(334	)	$	(700	)
Other comprehensive income, net of tax		31			20,702			20,733
Balance, June 30, 2020	$	(335	)	$	20,368		$	20,033

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Basis of Presentation - Additional Information (Details)	6 Months Ended
	Jun. 30, 2020 segment
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of reportable segments	1

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Acquisition - Additional Information (Details) - USD ($)			3 Months Ended	6 Months Ended		12 Months Ended
	May 15, 2019	Apr. 30, 2019	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill			$ 145,638,000	$ 148,353,000	$ 145,638,000	$ 148,353,000	$ 148,353,000	$ 128,177,000	$ 128,177,000
Oak Park River Forest Bankshares, Inc.
Business Acquisition [Line Items]
Business acquisition date of agreement				Apr. 30, 2019
Right to receive common stock upon conversion		7.9321
Consideration paid in cash	$ 4,200,000	$ 6,163,000
Common stock outstanding value per share		$ 33.375
Common stock issued price per share		$ 20.02
Issuance of common shares		1,464,558
Value of common stock consideration		$ 29,300,000
Options to acquire common stock shares		35,870
Option to acquire common stock value		$ 4,200,000
Total merger consideration		35,483,000
Stock issuance costs		585,000
Goodwill		$ 20,176,000
Oak Park River Forest Bankshares, Inc. | Non-interest Expense
Business Acquisition [Line Items]
Acquisition advisory expenses			2,400,000		2,500,000	2,300,000
Core system conversion expenses			$ 703,000		$ 703,000	$ 2,000,000.0

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Acquisition - Summary of Fair Values of Assets and Liabilities Assumed as of Acquisition Date (Details) - USD ($) $ in Thousands	May 15, 2019	Apr. 30, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Consideration paid
Goodwill			$ 148,353	$ 148,353	$ 148,353	$ 145,638	$ 128,177	$ 128,177
Oak Park River Forest Bankshares, Inc.
Assets
Cash and cash equivalents		$ 10,469
Securities available-for-sale		30,343
Restricted stock		414
Loans		257,423
Premises and equipment		3,488
Other real estate owned		2,201
Other intangible assets		6,220
Bank-owned life insurance		3,485
Deferred tax assets, net		5,925
Other assets		1,231
Total assets acquired		321,199
Liabilities
Deposits		290,171
Line of credit		5,655
Federal Home Loan Bank advances		5,300
Accrued expenses and other liabilities		4,766
Total liabilities assumed		305,892
Net assets acquired		15,307
Consideration paid
Common stock (1,464,558 shares issued at $20.02 per share)		29,320
Consideration paid in cash	$ 4,200	6,163
Total consideration paid		35,483
Goodwill		$ 20,176

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Acquisition - Summary of Fair Values of Assets and Liabilities Assumed as of Acquisition Date (Parenthetical) (Details) - Oak Park River Forest Bankshares, Inc.	Apr. 30, 2019 $ / shares shares
Business Acquisition [Line Items]
Stock issued (in shares) | shares	1,464,558
Stock issued (in dollars per share) | $ / shares	$ 20.02

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Acquisition - Summary of Acquired Non-Impaired Loans as of Acquisition Date (Details) - Oak Park River Forest Bankshares, Inc. $ in Thousands	Apr. 30, 2019 USD ($)
Business Acquisition [Line Items]
Fair value	$ 204,496
Gross contractual amounts receivable	254,755
Estimate of contractual cash flows not expected to be collected	12,987	[1]
Estimate of contractual cash flows expected to be collected	$ 241,768

[1] Includes interest payments not expected to be collected due to loan prepayments as well as principal and interest payments not expected to be collected due to customer default.

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Acquisition - Summary of Unaudited Pro Forma Information for Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Business Combinations [Abstract]
Total revenues (net interest income and non-interest income)	$ 68,003	$ 136,262
Net income	$ 13,982	$ 27,572
Earnings per share—basic	$ 0.35	$ 0.71
Earnings per share—diluted	$ 0.34	$ 0.70

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Securities - Summary of Amortized Cost and Fair Values of Securities Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	$ 1,395,291	$ 1,183,404
Available-for-sale Securities, Gross Unrealized Gains	33,550	7,593
Available-for-sale Securities, Gross Unrealized Losses	(1,970)	(4,705)
Available-for-sale Securities, Fair Value	1,426,871	1,186,292
U.S. Treasury Notes
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	30,443	41,403
Available-for-sale Securities, Gross Unrealized Gains	652	427
Available-for-sale Securities, Fair Value	31,095	41,830
U.S. Government Agencies
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	137,002	165,162
Available-for-sale Securities, Gross Unrealized Gains	865	542
Available-for-sale Securities, Gross Unrealized Losses	(72)	(754)
Available-for-sale Securities, Fair Value	137,795	164,950
Obligations of States, Municipalities, and Political Subdivisions
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	120,427	92,806
Available-for-sale Securities, Gross Unrealized Gains	4,735	2,075
Available-for-sale Securities, Gross Unrealized Losses	(6)	(49)
Available-for-sale Securities, Fair Value	125,156	94,832
Agency, Residential Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	662,424	490,427
Available-for-sale Securities, Gross Unrealized Gains	17,566	2,163
Available-for-sale Securities, Gross Unrealized Losses	(125)	(2,354)
Available-for-sale Securities, Fair Value	679,865	490,236
Non-Agency, Residential Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	75,844	109,501
Available-for-sale Securities, Gross Unrealized Gains	1,447	593
Available-for-sale Securities, Gross Unrealized Losses		(272)
Available-for-sale Securities, Fair Value	77,291	109,822
Agency, Commercial Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	232,137	159,650
Available-for-sale Securities, Gross Unrealized Gains	7,028	1,092
Available-for-sale Securities, Gross Unrealized Losses	(111)	(1,041)
Available-for-sale Securities, Fair Value	239,054	159,701
Non-Agency, Commercial Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	30,984	31,144
Available-for-sale Securities, Gross Unrealized Gains	237	130
Available-for-sale Securities, Fair Value	31,221	31,274
Corporate Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	55,599	48,796
Available-for-sale Securities, Gross Unrealized Gains	1,020	571
Available-for-sale Securities, Gross Unrealized Losses	(341)	(37)
Available-for-sale Securities, Fair Value	56,278	49,330
Asset-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost	50,431	44,515
Available-for-sale Securities, Gross Unrealized Losses	(1,315)	(198)
Available-for-sale Securities, Fair Value	$ 49,116	$ 44,317

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Securities - Summary of Amortized Cost and Fair Values of Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	$ 4,404	$ 4,412
Held-to-maturity Securities, Gross Unrealized Gains	178	86
Held-to-maturity Securities, Fair Value	4,582	4,498
Obligations of States, Municipalities, and Political Subdivisions
Schedule Of Held To Maturity Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	4,404	4,412
Held-to-maturity Securities, Gross Unrealized Gains	178	86
Held-to-maturity Securities, Fair Value	$ 4,582	$ 4,498

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Securities - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) Security	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Security	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Schedule Of Investments [Line Items]
Trading securities	$ 0		$ 0		$ 0
Net gains or (losses) reclassified from accumulated other comprehensive income (loss) into earnings	0	$ 973,000	1,400,000	$ 973,000
Investment securities posted as collateral	1,000,000,000.0		1,000,000,000.0		552,400,000
Carrying amount of securities pledged as collateral	$ 330,900,000		$ 330,900,000		$ 301,100,000
Minimum
Schedule Of Investments [Line Items]
Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies	10.00%		10.00%		10.00%
Federal Home Loan Bank Advances
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	$ 0		$ 0		$ 0
Public Fund Deposits
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	263,500,000		263,500,000		240,400,000
Customer Repurchase Agreements
Schedule Of Investments [Line Items]
Carrying amount of securities pledged as collateral	$ 62,300,000		$ 62,300,000		$ 55,700,000
Available-for-sale Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses | Security	35		35
Held-to-maturity Securities
Schedule Of Investments [Line Items]
Investment securities with unrealized losses | Security	0		0

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Securities - Summary of Gross Unrealized Losses and Fair Values, Aggregated by Investment Category and Length of Individual Securities Continuous Unrealized Loss Position Available-for-sale (Details) $ in Thousands	Jun. 30, 2020 USD ($) Security	Dec. 31, 2019 USD ($) Security
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	35	99
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 167,170	$ 343,722
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(1,964)	(2,377)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	542	257,869
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(6)	(2,328)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	167,712	601,591
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (1,970)	$ (4,705)
U.S. Government Agencies
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	3	8
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 27,051	$ 49,318
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(72)	(662)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		20,283
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses		(92)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	27,051	69,601
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (72)	$ (754)
Obligations of States, Municipalities, and Political Subdivisions
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	3	7
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 415	$ 13,309
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(6)	(45)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		1,419
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses		(4)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	415	14,728
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (6)	$ (49)
Agency, Residential Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	7	50
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 62,821	$ 132,703
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(119)	(666)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	542	193,363
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(6)	(1,688)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	63,363	326,066
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (125)	$ (2,354)
Non-Agency, Residential Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security		9
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		$ 36,902
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses		(206)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		10,126
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses		(66)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value		47,028
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses		$ (272)
Agency, Commercial Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	1	13
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 10,139	$ 67,649
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(111)	(563)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		32,678
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses		(478)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	10,139	100,327
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (111)	$ (1,041)
Corporate Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	12	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 23,629	$ 6,103
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(341)	(37)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	23,629	6,103
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (341)	$ (37)
Asset-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities | Security	9	8
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 43,115	$ 37,738
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	(1,315)	(198)
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value	43,115	37,738
Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses	$ (1,315)	$ (198)

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Securities - Summary of Proceeds From Sales of Securities Available-for-sale and Associated Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Available For Sale Securities Gross Realized Gain Loss [Abstract]
Proceeds	$ 59,594	$ 45,417	$ 59,594
Gross gains	1,049	1,457	1,049
Gross losses	$ 76	$ 82	$ 76

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Securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available-for-sale Securities Debt Maturities, Amortized Cost [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 30,114
Available-for-sale Securities, Due from one to five years, Amortized Cost	49,382
Available-for-sale Securities, Due from five to ten years, Amortized Cost	175,499
Available-for-sale Securities, Due after ten years, Amortized Cost	138,907
Available-for-sale Securities, Amortized Cost	1,395,291	$ 1,183,404
Held-to-maturity Securities Debt Maturities, Amortized Cost [Abstract]
Held-to-maturity Securities, Due in one year or less, Amortized Cost	504
Held-to-maturity Securities, Due from one to five years, Amortized Cost	3,900
Held-to-maturity Securities, Amortized Cost	4,404	4,412
Available-for-sale Securities Debt Maturities, Fair Value [Abstract]
Available-for-sale Securities, Due in one year or less, Fair Value	30,390
Available-for-sale Securities, Due from one to five years, Fair Value	50,805
Available-for-sale Securities, Due from five to ten years, Fair Value	178,405
Available-for-sale Securities, Due after ten years, Fair Value	139,840
Available-for-sale Securities, Fair Value, Total	1,426,871	1,186,292
Held-to-maturity Securities Debt Maturities, Fair Value [Abstract]
Held-to-maturity Securities, Due in one year or less, Fair Value	508
Held-to-maturity Securities, Due from one to five years, Fair Value	4,074
Held-to-maturity securities, Fair Value, Total	4,582	$ 4,498
Mortgage-Backed Securities
Available-for-sale Securities Debt Maturities, Amortized Cost [Abstract]
Available-for-sale Securities, Not due at single maturity, Amortized Cost	1,001,389
Available-for-sale Securities Debt Maturities, Fair Value [Abstract]
Available-for-sale Securities, Not due at single maturity, Fair Value	$ 1,027,431

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Loan and Lease Receivables - Schedule of Outstanding Loan and Lease Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	$ 4,380,330		$ 3,780,636
Net unamortized deferred fees and costs	8,271		2,289
Initial direct costs	2,521		2,736
Allowance for loan and lease losses	(51,300)	$ (41,840)	(31,936)	$ (31,132)	$ (27,106)	$ (25,201)
Net loans and leases	4,339,822		3,753,725
Lease financing receivables
Net minimum lease payments	188,826		193,359
Unguaranteed residual values	1,575		1,347
Unearned income	(16,094)		(16,932)
Total lease financing receivables	174,307		177,774
Initial direct costs	2,521		2,736
Lease financial receivables before allowance for lease losses	176,828		180,510
Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	1,349,297		1,275,058
Allowance for loan and lease losses	(14,110)	(11,851)	(7,965)	(8,934)	(6,660)	(7,540)
Residential Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	670,257		711,499
Allowance for loan and lease losses	(3,741)	(2,778)	(1,990)	(2,171)	(1,970)	(1,751)
Construction, Land Development, and Other Land
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	246,669		279,403
Allowance for loan and lease losses	(1,491)	(1,004)	(610)	(691)	(536)	(466)
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	1,309,523		1,330,418
Allowance for loan and lease losses	(30,108)	(24,139)	(19,377)	(17,126)	(15,630)	(12,932)
Paycheck Protection Program ("PPP")
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	626,593
Installment and Other
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	3,684		6,484
Allowance for loan and lease losses	(36)	(53)	(50)	(67)	(63)	(49)
Lease Financing Receivables
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	174,307		177,774
Allowance for loan and lease losses	$ (1,814)	$ (2,015)	$ (1,944)	$ (2,143)	$ (2,247)	$ (2,463)

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Loan and Lease Receivables - Additional Information (Details) - USD ($)	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Apr. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	$ 4,380,330,000		$ 3,780,636,000
Loans held for sale pledged as security for borrowings	2,600,000,000		1,800,000,000
Allowance for loan and lease losses	51,300,000	$ 41,840,000	31,936,000	$ 31,132,000		$ 27,106,000	$ 25,201,000
Acquired Impaired Loans
Accounts Notes And Loans Receivable [Line Items]
Loans acquired					$ 52,927,000
Allowance for loan and lease losses	4,700,000		2,800,000
Acquired Impaired Loans | Oak Park River Forest Bankshares, Inc.
Accounts Notes And Loans Receivable [Line Items]
Loans acquired					$ 52,900,000
Acquired Non-Impaired Loans and Leases | Oak Park River Forest Bankshares, Inc.
Accounts Notes And Loans Receivable [Line Items]
Loans acquired	204,500,000
Installment and Other
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	3,684,000		6,484,000
Overdraft deposits reclassified as loans	304,000		852,000
Allowance for loan and lease losses	36,000	$ 53,000	50,000	$ 67,000		$ 63,000	$ 49,000
U.S. Government Guaranteed Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	747,200,000		119,800,000
Discount on the unguaranteed portion of government guaranteed loans	$ 24,500,000		$ 23,100,000

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Loan and Lease Receivables - Summary of Minimum Annual Lease Payments for Lease Financing Receivables (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Receivables [Abstract]
2020	$ 36,115
2021	64,203
2022	46,052
2023	27,303
2024	12,721
Thereafter	2,432
Total	$ 188,826

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Loan and Lease Receivables - Summary of Balances for Each Respective Loan and Lease Category (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	$ 4,391,122	$ 3,785,661	$ 3,863,148
Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	3,595,578	2,835,652
Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	235,684	258,668
Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	559,860	691,341
Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	1,350,956	1,276,542	1,311,539
Commercial Real Estate | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	919,510	792,263
Commercial Real Estate | Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	126,405	135,914
Commercial Real Estate | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	305,041	348,365
Residential Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	670,764	711,822	777,762
Residential Real Estate | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	480,692	483,072
Residential Real Estate | Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	90,784	100,223
Residential Real Estate | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	99,288	128,527
Construction, Land Development, and Other Land
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	246,003	278,657	251,948
Construction, Land Development, and Other Land | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	219,261	235,794
Construction, Land Development, and Other Land | Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	4,784	5,373
Construction, Land Development, and Other Land | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	21,958	37,490
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	1,331,149	1,331,565	1,320,570
Commercial and Industrial | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	1,200,996	1,160,996
Commercial and Industrial | Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	13,485	16,909
Commercial and Industrial | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	116,668	153,660
Paycheck Protection Program ("PPP")
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	611,664
Paycheck Protection Program ("PPP") | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	611,664
Installment and Other
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	3,758	6,565	12,909
Installment and Other | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	2,714	5,372
Installment and Other | Acquired Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	226	249
Installment and Other | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	818	944
Lease Financing Receivables
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	176,828	180,510	$ 188,420
Lease Financing Receivables | Originated
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	160,741	158,155
Lease Financing Receivables | Acquired Non-Impaired
Accounts Notes And Loans Receivable [Line Items]
Total loans and leases	$ 16,087	$ 22,355

XML

Loan and Lease Receivables - Estimated Fair Value of Impaired Loans Acquired at Acquisition (Details) - Acquired Impaired Loans $ in Thousands	Apr. 30, 2019 USD ($)
Accounts Notes And Loans Receivable [Line Items]
Undiscounted contractual cash flows	$ 74,092
Undiscounted cash flows not expected to be collected (non-accretable difference)	11,401
Undiscounted cash flows expected to be collected	62,691
Accretable yield at acquisition	(9,764)
Estimated fair value of impaired loans acquired at acquisition	$ 52,927

XML

Loan and Lease Receivables - Summary of Outstanding Balance and Carrying Amount of All Acquired Impaired Loans (Details) - Acquired Impaired Loans - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	$ 255,460	$ 380,880
Carrying Value	235,684	258,668
Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	134,224	189,969
Carrying Value	126,405	135,914
Residential Real Estate
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	95,706	151,641
Carrying Value	90,784	100,223
Construction, Land Development, and Other Land
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	7,530	14,841
Carrying Value	4,784	5,373
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	17,716	23,330
Carrying Value	13,485	16,909
Installment and Other
Accounts Notes And Loans Receivable [Line Items]
Outstanding Balance	284	1,099
Carrying Value	$ 226	$ 249

XML

Loan and Lease Receivables - Summary of Changes in Accretable Yield for Acquired Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Receivables [Abstract]
Beginning balance	$ 37,037	$ 29,340	$ 40,009	$ 37,115
Additions		8,501		8,501
Accretion to interest income	(4,452)	(5,996)	(9,657)	(11,245)
Reclassification from (to) nonaccretable difference, net	(717)	14,693	1,516	12,167
Ending balance	$ 31,868	$ 46,538	$ 31,868	$ 46,538

XML

Loan and Lease Receivables - Schedule of Unpaid Principal Balance and Carrying Value for Acquired Non-impaired Loans and Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	$ 4,391,122	$ 3,785,661	$ 3,863,148
Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	574,419	710,161
Loans and leases	559,860	691,341
Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	1,350,956	1,276,542	1,311,539
Commercial Real Estate | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	312,284	356,787
Loans and leases	305,041	348,365
Residential Real Estate
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	670,764	711,822	777,762
Residential Real Estate | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	100,571	130,412
Loans and leases	99,288	128,527
Construction, Land Development, and Other Land
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	246,003	278,657	251,948
Construction, Land Development, and Other Land | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	22,411	38,416
Loans and leases	21,958	37,490
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	1,331,149	1,331,565	1,320,570
Commercial and Industrial | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	120,626	159,599
Loans and leases	116,668	153,660
Installment and Other
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	3,758	6,565	12,909
Installment and Other | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	840	971
Loans and leases	818	944
Lease Financing Receivables
Accounts Notes And Loans Receivable [Line Items]
Loans and leases	176,828	180,510	$ 188,420
Lease Financing Receivables | Acquired Non-impaired Loans and Leases
Accounts Notes And Loans Receivable [Line Items]
Unpaid Principal Balance	17,687	23,976
Loans and leases	$ 16,087	$ 22,355

XML

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Allowance for Loan and Lease Losses and Corresponding Loan and Lease Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Allowance for loan and lease losses
Beginning balance	$ 41,840	$ 27,106	$ 31,936	$ 25,201
Provisions	15,518	6,391	29,973	10,390
Charge-offs	(6,498)	(3,280)	(11,470)	(5,628)
Recoveries	440	915	861	1,169
Ending balance	51,300	31,132	51,300	31,132
Ending balance:
Individually evaluated for impairment					$ 14,014		$ 9,286
Collectively evaluated for impairment					32,550		18,371
Allowance for loan and lease losses	41,840	31,132	31,936	25,201	51,300	$ 31,936	31,132
Loans and leases ending balance:
Individually evaluated for impairment					78,290		45,884
Collectively evaluated for impairment					4,077,148		3,522,713
Total loans and leases					4,391,122	3,785,661	3,863,148
Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality					4,736		3,475
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					235,684		294,551
Commercial Real Estate
Allowance for loan and lease losses
Beginning balance	11,851	6,660	7,965	7,540
Provisions	3,306	2,695	7,728	3,137
Charge-offs	(1,088)	(818)	(1,640)	(2,169)
Recoveries	41	397	57	426
Ending balance	14,110	8,934	14,110	8,934
Ending balance:
Individually evaluated for impairment					3,525		2,775
Collectively evaluated for impairment					8,576		4,433
Allowance for loan and lease losses	14,110	8,934	7,965	7,540	14,110	7,965	8,934
Loans and leases ending balance:
Individually evaluated for impairment					36,751		18,707
Collectively evaluated for impairment					1,187,800		1,141,705
Total loans and leases					1,350,956	1,276,542	1,311,539
Commercial Real Estate | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality					2,009		1,726
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					126,405		151,127
Residential Real Estate
Allowance for loan and lease losses
Beginning balance	2,778	1,970	1,990	1,751
Provisions	956	(62)	1,740	156
Charge-offs	(4)	(9)	(9)	(9)
Recoveries	11	272	20	273
Ending balance	3,741	2,171	3,741	2,171
Ending balance:
Individually evaluated for impairment					80		22
Collectively evaluated for impairment					2,898		1,559
Allowance for loan and lease losses	3,741	2,171	1,990	1,751	3,741	1,990	2,171
Loans and leases ending balance:
Individually evaluated for impairment					1,805		2,899
Collectively evaluated for impairment					578,175		656,329
Total loans and leases					670,764	711,822	777,762
Residential Real Estate | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality					763		590
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					90,784		118,534
Construction, Land Development, and Other Land
Allowance for loan and lease losses
Beginning balance	1,004	536	610	466
Provisions	487	155	881	225
Ending balance	1,491	691	1,491	691
Ending balance:
Collectively evaluated for impairment					1,404		676
Allowance for loan and lease losses	1,491	691	610	466	1,491	610	691
Loans and leases ending balance:
Individually evaluated for impairment					4,189
Collectively evaluated for impairment					237,030		247,728
Total loans and leases					246,003	278,657	251,948
Construction, Land Development, and Other Land | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality					87		15
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					4,784		4,220
Commercial and Industrial
Allowance for loan and lease losses
Beginning balance	24,139	15,630	19,377	12,932
Provisions	10,695	3,320	19,241	6,352
Charge-offs	(4,845)	(1,827)	(8,803)	(2,179)
Recoveries	119	3	293	21
Ending balance	30,108	17,126	30,108	17,126
Ending balance:
Individually evaluated for impairment					10,409		6,489
Collectively evaluated for impairment					17,822		9,495
Allowance for loan and lease losses	30,108	17,126	19,377	12,932	30,108	19,377	17,126
Loans and leases ending balance:
Individually evaluated for impairment					35,545		24,278
Collectively evaluated for impairment					1,282,119		1,275,922
Total loans and leases					1,331,149	1,331,565	1,320,570
Commercial and Industrial | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality					1,877		1,142
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					13,485		20,370
Paycheck Protection Program ("PPP")
Loans and leases ending balance:
Collectively evaluated for impairment					611,664
Total loans and leases					611,664
Installment and Other
Allowance for loan and lease losses
Beginning balance	53	63	50	49
Provisions	(17)	8	(14)	22
Charge-offs		(4)		(4)
Ending balance	36	67	36	67
Ending balance:
Collectively evaluated for impairment					36		65
Allowance for loan and lease losses	36	67	50	49	36	50	67
Loans and leases ending balance:
Collectively evaluated for impairment					3,532		12,609
Total loans and leases					3,758	6,565	12,909
Installment and Other | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality							2
Loans and leases ending balance:
Loans acquired with deteriorated credit quality					226		300
Lease Financing Receivables
Allowance for loan and lease losses
Beginning balance	2,015	2,247	1,944	2,463
Provisions	91	275	397	498
Charge-offs	(561)	(622)	(1,018)	(1,267)
Recoveries	269	243	491	449
Ending balance	1,814	2,143	1,814	2,143
Ending balance:
Collectively evaluated for impairment					1,814		2,143
Allowance for loan and lease losses	$ 1,814	$ 2,143	$ 1,944	$ 2,463	1,814	1,944	2,143
Loans and leases ending balance:
Collectively evaluated for impairment					176,828		188,420
Total loans and leases					$ 176,828	$ 180,510	$ 188,420

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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Loans And Leases Receivable Disclosure [Line Items]
Increase (decrease) in allowance for loan and lease losses	$ 9,500,000	$ 4,000,000.0	$ 19,400,000	$ 5,900,000
Commitments outstanding on troubled debt restructurings	0		0		$ 500,000
Recorded investment in troubled debt restructurings that subsequently defaulted within twelve months	0	348,000	0	348,000
Reserve for unfunded commitments	1,900,000		1,900,000		$ 1,200,000
Provisions for (credits to) unfunded commitments	492,000	183,000	691,000	28,000
Charge-offs or recoveries related to reserve for unfunded commitments	0	0	$ 0	0
Paycheck Protection Program ("PPP")
Loans And Leases Receivable Disclosure [Line Items]
Percentage of guarantee on SBA			100.00%
Acquired Impaired Loans
Loans And Leases Receivable Disclosure [Line Items]
Increase (decrease) in allowance for loan and lease losses	434,000	629,000	$ 2,000,000.0	740,000
Individually Evaluated For Impairment
Loans And Leases Receivable Disclosure [Line Items]
Increase (decrease) in allowance for loan and lease losses	579,000	1,700,000	3,300,000	2,600,000
Collectively Evaluated For Impairment
Loans And Leases Receivable Disclosure [Line Items]
Increase (decrease) in allowance for loan and lease losses	$ 8,400,000	$ 1,700,000	$ 14,100,000	$ 2,600,000

XML

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Recorded Investment, Unpaid Principal Balance, and Related Allowance for Loans and Leases Considered Impaired (Details) - Loans Excluding Acquired Impaired Loans - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable Impaired [Line Items]
Recorded Investment	$ 78,290	$ 68,741
Unpaid Principal Balance	247,658	75,668
Related Allowance	14,014	10,690
Commercial Real Estate
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	24,950	16,556
Recorded Investment, With an allowance recorded	11,801	9,840
Unpaid Principal Balance, With no related allowance recorded	91,211	19,808
Unpaid Principal Balance, With an allowance recorded	47,249	10,691
Related Allowance	3,525	2,614
Residential Real Estate
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	1,534	2,165
Recorded Investment, With an allowance recorded	271	233
Unpaid Principal Balance, With no related allowance recorded	1,624	2,253
Unpaid Principal Balance, With an allowance recorded	274	233
Related Allowance	80	124
Construction, Land Development, and Other Land
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	4,189	2,644
Unpaid Principal Balance, With no related allowance recorded	4,216	3,000
Commercial and Industrial
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	16,774	19,211
Recorded Investment, With an allowance recorded	18,771	18,092
Unpaid Principal Balance, With no related allowance recorded	43,215	20,398
Unpaid Principal Balance, With an allowance recorded	59,869	19,285
Related Allowance	$ 10,409	$ 7,952

XML

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Average Recorded Investment and Interest Income Recognized for Loans and Leases Considered Impaired (Details) - Loans Excluding Acquired Impaired Loans - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Financing Receivable Impaired [Line Items]
Average Recorded Investment	$ 78,549	$ 40,517
Interest Income Recognized	2,158	843
Commercial Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	20,544	8,094
Average Recorded Investment, With an allowance recorded	13,402	6,793
Interest Income Recognized, With no related allowance recorded	555	187
Interest Income Recognized, With an allowance recorded	339	155
Residential Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	1,398	1,785
Average Recorded Investment, With an allowance recorded	512	219
Interest Income Recognized, With no related allowance recorded	15	27
Interest Income Recognized, With an allowance recorded	21	4
Construction, Land Development, and Other Land
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	3,094
Interest Income Recognized, With no related allowance recorded	220
Commercial and Industrial
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	16,651	11,583
Average Recorded Investment, With an allowance recorded	22,948	12,043
Interest Income Recognized, With no related allowance recorded	262	223
Interest Income Recognized, With an allowance recorded	$ 746	$ 247

XML

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Risk Rating Categories of Loans and Leases Considered for Inclusion in Allowance for Loan and Lease Losses Calculation (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	$ 4,391,122	$ 3,785,661	$ 3,863,148
Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,350,956	1,276,542	1,311,539
Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	670,764	711,822	777,762
Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	246,003	278,657	251,948
Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,331,149	1,331,565	1,320,570
Paycheck Protection Program ("PPP")
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	611,664
Installment and Other
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,758	6,565	12,909
Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	176,828	180,510	$ 188,420
Loans Excluding Acquired Impaired Loans
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	4,155,438	3,526,993
Loans Excluding Acquired Impaired Loans | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,224,551	1,140,628
Loans Excluding Acquired Impaired Loans | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	579,980	611,599
Loans Excluding Acquired Impaired Loans | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	241,219	273,284
Loans Excluding Acquired Impaired Loans | Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,317,664	1,314,656
Loans Excluding Acquired Impaired Loans | Paycheck Protection Program ("PPP")
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	611,664
Loans Excluding Acquired Impaired Loans | Installment and Other
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,532	6,316
Loans Excluding Acquired Impaired Loans | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	176,828	180,510
Loans Excluding Acquired Impaired Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,637,466	3,088,584
Loans Excluding Acquired Impaired Loans | Pass | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,012,490	984,881
Loans Excluding Acquired Impaired Loans | Pass | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	551,885	584,363
Loans Excluding Acquired Impaired Loans | Pass | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	232,121	247,775
Loans Excluding Acquired Impaired Loans | Pass | Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,053,606	1,087,856
Loans Excluding Acquired Impaired Loans | Pass | Paycheck Protection Program ("PPP")
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	611,664
Loans Excluding Acquired Impaired Loans | Pass | Installment and Other
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,257	6,013
Loans Excluding Acquired Impaired Loans | Pass | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	172,443	177,696
Loans Excluding Acquired Impaired Loans | Watch
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	338,790	299,432
Loans Excluding Acquired Impaired Loans | Watch | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	139,224	99,803
Loans Excluding Acquired Impaired Loans | Watch | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	20,614	21,856
Loans Excluding Acquired Impaired Loans | Watch | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,472	18,181
Loans Excluding Acquired Impaired Loans | Watch | Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	175,207	159,282
Loans Excluding Acquired Impaired Loans | Watch | Installment and Other
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	273	302
Loans Excluding Acquired Impaired Loans | Watch | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases		8
Loans Excluding Acquired Impaired Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	97,455	64,559
Loans Excluding Acquired Impaired Loans | Special Mention | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	37,306	27,484
Loans Excluding Acquired Impaired Loans | Special Mention | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,731	3,648
Loans Excluding Acquired Impaired Loans | Special Mention | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,437	4,684
Loans Excluding Acquired Impaired Loans | Special Mention | Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	52,739	26,944
Loans Excluding Acquired Impaired Loans | Special Mention | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	2,242	1,799
Loans Excluding Acquired Impaired Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	81,158	74,139
Loans Excluding Acquired Impaired Loans | Substandard | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	35,531	28,460
Loans Excluding Acquired Impaired Loans | Substandard | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	3,750	1,732
Loans Excluding Acquired Impaired Loans | Substandard | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	4,189	2,644
Loans Excluding Acquired Impaired Loans | Substandard | Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	36,112	40,574
Loans Excluding Acquired Impaired Loans | Substandard | Installment and Other
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	2	1
Loans Excluding Acquired Impaired Loans | Substandard | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	1,574	728
Loans Excluding Acquired Impaired Loans | Doubtful
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	569	279
Loans Excluding Acquired Impaired Loans | Doubtful | Lease Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Total loans and leases	$ 569	$ 279

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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Contractual Delinquency Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	$ 4,391,122	$ 3,785,661	$ 3,863,148
Commercial Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	1,350,956	1,276,542	1,311,539
Residential Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	670,764	711,822	777,762
Construction, Land Development, and Other Land
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	246,003	278,657	251,948
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	1,331,149	1,331,565	1,320,570
Paycheck Protection Program ("PPP")
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	611,664
Installment and Other
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	3,758	6,565	12,909
Lease Financing Receivables
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans and leases	176,828	180,510	$ 188,420
Acquired Non-Impaired and Originated Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	53,176	76,436
Non-accrual	40,505	36,272
Current	4,102,262	3,450,557
Total loans and leases	4,155,438	3,526,993
Acquired Non-Impaired and Originated Loans | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	9,380	25,963
Acquired Non-Impaired and Originated Loans | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	3,291	14,201
Acquired Non-Impaired and Originated Loans | Commercial Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	22,977	31,696
Non-accrual	17,963	12,274
Current	1,201,574	1,108,932
Total loans and leases	1,224,551	1,140,628
Acquired Non-Impaired and Originated Loans | Commercial Real Estate | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	2,864	14,269
Acquired Non-Impaired and Originated Loans | Commercial Real Estate | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	2,150	5,153
Acquired Non-Impaired and Originated Loans | Residential Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	4,431	5,018
Non-accrual	1,780	1,371
Current	575,549	606,581
Total loans and leases	579,980	611,599
Acquired Non-Impaired and Originated Loans | Residential Real Estate | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	2,302	3,187
Acquired Non-Impaired and Originated Loans | Residential Real Estate | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	349	460
Acquired Non-Impaired and Originated Loans | Construction, Land Development, and Other Land
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due		4,460
Current	241,219	268,824
Total loans and leases	241,219	273,284
Acquired Non-Impaired and Originated Loans | Construction, Land Development, and Other Land | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due		4,460
Acquired Non-Impaired and Originated Loans | Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	22,758	33,534
Non-accrual	19,100	22,151
Current	1,294,906	1,281,122
Total loans and leases	1,317,664	1,314,656
Acquired Non-Impaired and Originated Loans | Commercial and Industrial | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	3,298	7,789
Acquired Non-Impaired and Originated Loans | Commercial and Industrial | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	360	3,594
Acquired Non-Impaired and Originated Loans | Paycheck Protection Program ("PPP")
Financing Receivable Recorded Investment Past Due [Line Items]
Current	611,664
Total loans and leases	611,664
Acquired Non-Impaired and Originated Loans | Installment and Other
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	42	136
Non-accrual	2	1
Current	3,490	6,180
Total loans and leases	3,532	6,316
Acquired Non-Impaired and Originated Loans | Installment and Other | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	4	133
Acquired Non-Impaired and Originated Loans | Installment and Other | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	36	2
Acquired Non-Impaired and Originated Loans | Lease Financing Receivables
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	2,968	1,592
Non-accrual	1,660	475
Current	173,860	178,918
Total loans and leases	176,828	180,510
Acquired Non-Impaired and Originated Loans | Lease Financing Receivables | 30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	912	585
Acquired Non-Impaired and Originated Loans | Lease Financing Receivables | 60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	$ 396	$ 532

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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of TDR's by Loan Category (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) Loan	Dec. 31, 2019 USD ($) Loan
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	31	27
Pre-Modification Outstanding Recorded Investment	$ 11,606	$ 12,700
Post-Modification Outstanding Recorded Investment	10,600	10,571
Charge-offs	1,006	2,129
Specific Reserves	$ 4,011	$ 2,166
Accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	11	9
Pre-Modification Outstanding Recorded Investment	$ 3,151	$ 1,771
Post-Modification Outstanding Recorded Investment	3,151	1,771
Specific Reserves	$ 199	$ 341
Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	20	18
Pre-Modification Outstanding Recorded Investment	$ 8,455	$ 10,929
Post-Modification Outstanding Recorded Investment	7,449	8,800
Charge-offs	1,006	2,129
Specific Reserves	$ 3,812	$ 1,825
Commercial Real Estate | Accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	7	5
Pre-Modification Outstanding Recorded Investment	$ 2,856	$ 1,451
Post-Modification Outstanding Recorded Investment	2,856	1,451
Specific Reserves	$ 98	$ 223
Commercial Real Estate | Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	6	6
Pre-Modification Outstanding Recorded Investment	$ 2,840	$ 2,777
Post-Modification Outstanding Recorded Investment	1,911	2,600
Charge-offs	929	177
Specific Reserves	$ 55	$ 513
Commercial and Industrial | Accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	2	2
Pre-Modification Outstanding Recorded Investment	$ 123	$ 129
Post-Modification Outstanding Recorded Investment	123	129
Specific Reserves	$ 101	$ 118
Commercial and Industrial | Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	13	11
Pre-Modification Outstanding Recorded Investment	$ 5,524	$ 8,048
Post-Modification Outstanding Recorded Investment	5,447	6,096
Charge-offs	77	1,952
Specific Reserves	$ 3,757	$ 1,312
Residential Real Estate | Accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	2	2
Pre-Modification Outstanding Recorded Investment	$ 172	$ 191
Post-Modification Outstanding Recorded Investment	$ 172	$ 191
Residential Real Estate | Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans | Loan	1	1
Pre-Modification Outstanding Recorded Investment	$ 91	$ 104
Post-Modification Outstanding Recorded Investment	$ 91	$ 104

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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Loans Modified as Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Receivables [Abstract]
Beginning balance	$ 1,725	$ 1,921	$ 1,771	$ 1,813
Additions				113
Net payments	(30)	(44)	(76)	(49)
Net transfers from (to) non-accrual	1,456	(348)	1,456	(348)
Ending balance	3,151	1,529	3,151	1,529
Beginning balance	12,117	7,119	8,800	7,314
Additions	1,375	1,182	5,633	1,428
Net payments	(445)	(815)	(1,386)	(726)
Charge-offs	(4,142)		(4,142)	(530)
Net transfers from (to) accrual	(1,456)	348	(1,456)	348
Ending balance	7,449	7,834	7,449	7,834
Total troubled debt restructurings	$ 10,600	$ 9,363	$ 10,600	$ 9,363

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Servicing Assets - Activity for Servicing Assets and Related Changes in Fair Value (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Transfers And Servicing [Abstract]
Beginning balance	$ 17,800,000	$ 19,534,000	$ 19,471,000	$ 19,693,000
Additions, net	1,262,000	1,449,000	2,655,000	2,551,000
Changes in fair value	(711,000)	(1,223,000)	(3,775,000)	(2,484,000)
Ending balance	$ 18,351,000	$ 19,760,000	$ 18,351,000	$ 19,760,000

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Servicing Assets - Unpaid Principal Balances of Loans Serviced for Others (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Loan portfolios serviced for:
Unpaid principal balances of loans serviced	$ 1,402,326	$ 1,351,006
SBA guaranteed loans
Loan portfolios serviced for:
Unpaid principal balances of loans serviced	1,278,876	1,231,959
USDA guaranteed loans
Loan portfolios serviced for:
Unpaid principal balances of loans serviced	$ 123,450	$ 119,047

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Servicing Assets - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accounts Notes And Loans Receivable [Line Items]
Changes in fair value of servicing assets	$ (711,000)	$ (1,223,000)	$ (3,775,000)	$ (2,484,000)
Loan Servicing Revenue [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair value of servicing assets	$ 3,000,000.0	$ 2,600,000	$ 5,700,000	$ 5,200,000

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Other Real Estate Owned - Change in Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Banking And Thrift [Abstract]
Other real estate owned, beginning balance	$ 9,273	$ 4,595	$ 9,896	$ 5,041
Acquisitions of OREO through business combination		2,201		2,201
Net additions to OREO	64	510	86	536
Proceeds from sales of OREO	(386)	(702)	(650)	(1,057)
Gains (losses) on sales of OREO	3	6	85	(27)
Valuation adjustments	(302)	(79)	(765)	(163)
Other real estate owned, ending balance	$ 8,652	$ 6,531	$ 8,652	$ 6,531

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Other Real Estate Owned - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Real Estate [Line Items]
Foreclosed real estate properties recorded as result of obtaining physical possession of property	$ 8,652,000	$ 6,531,000	$ 8,652,000	$ 6,531,000	$ 9,273,000	$ 9,896,000	$ 4,595,000	$ 5,041,000
Residential consumer mortgage loans in process of foreclosure	2,100,000		2,100,000			2,100,000
Proceeds from sale of internally financed sales of OREO	0	$ 0	0	$ 183,000
Residential Real Estate
Real Estate [Line Items]
Foreclosed real estate properties recorded as result of obtaining physical possession of property	$ 1,200,000		$ 1,200,000			$ 1,500,000

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Goodwill, Core Deposit Intangible and Other Intangible Assets - Summary of Changes in Goodwill, Core Deposit Intangible Assets and Customer Relationship Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Schedule Of Goodwill And Intangible Assets [Line Items]
Beginning balance, Goodwill	$ 148,353	$ 128,177	$ 148,353	$ 128,177
Additions		17,461		17,461
Ending balance, Goodwill	148,353	145,638	148,353	145,638
Amortization	(1,892)	(1,959)	(3,785)	(3,732)
Core Deposits
Schedule Of Goodwill And Intangible Assets [Line Items]
Beginning balance	27,285	28,654	29,111	30,360
Additions		6,220		6,220
Amortization	(1,826)	(1,892)	(3,652)	(3,598)
Ending balance	25,459	32,982	25,459	32,982
Accumulated amortization	$ 30,007	$ 22,484	$ 30,007	$ 22,484
Weighted average remaining amortization period	6 years	7 years	6 years	7 years
Customer Relationships
Schedule Of Goodwill And Intangible Assets [Line Items]
Beginning balance	$ 2,724	$ 2,992	$ 2,791	$ 3,059
Amortization	(66)	(66)	(133)	(133)
Ending balance	2,658	2,926	2,658	2,926
Accumulated amortization	$ 558	$ 290	$ 558	$ 290
Weighted average remaining amortization period	9 years 10 months 24 days	10 years 10 months 24 days	9 years 10 months 24 days	10 years 10 months 24 days

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Goodwill, Core Deposit Intangible and Other Intangible Assets - Estimated Amortization Expense for Core Deposit Intangible and Customer Relationship Intangible Recognized (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]
2020	$ 3,785
2021	6,998
2022	6,426
2023	4,371
2024	2,286
Thereafter	4,251
Total	$ 28,117

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Income Taxes - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective tax rate	28.30%	27.70%
Net income tax provision related to exercise of stock options	$ 76,000	$ 76,000
Net income tax benefit related to vesting of restricted shares	(65,000)	$ (65,000)
Deferred tax assets, net	$ 37,100,000		$ 38,300,000

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Deposits - Composition of Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Deposits [Abstract]
Non-interest-bearing demand deposits	$ 1,768,675	$ 1,279,641
Interest-bearing checking accounts	503,909	338,185
Money market demand accounts	1,233,748	881,387
Other savings	525,043	475,839
Time deposits (below $250,000)	710,429	916,723
Time deposits ($250,000 and above)	216,541	255,802
Total deposits	$ 4,958,345	$ 4,147,577

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Deposits - Additional Information (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Deposits [Abstract]
Brokered deposits	$ 56,000,000.0	$ 41,000,000.0

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Other Borrowings - Summary of Other Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Paycheck Protection Program Liquidity Facility	$ 449,889
Federal Home Loan Bank advances	4,000	$ 490,000
Securities sold under agreements to repurchase	56,525	49,638
Total	$ 510,414	$ 539,638

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Other Borrowings - Additional Information (Details) - USD ($)			6 Months Ended
	Apr. 21, 2020	Oct. 10, 2019	Jun. 30, 2020	Dec. 31, 2019	Oct. 13, 2016
Line Of Credit Facility [Line Items]
Paycheck protection program liquidity facility			$ 449,889,000
Federal Reserve Bank discount window borrowing			0	$ 0
Federal Home Loan Bank advances			$ 4,000,000	490,000,000
Federal home loan bank advances, Fixed interest rate			0.00%
Federal home loan bank fixed rate advances, maturity date			2021-05
Federal home loan bank advances maximum borrowing capacity as percentage of total assets			35.00%
Federal home loan bank, required investment conversion ratio			4.50
Federal Reserve Bank of Chicago Discount Window Line
Line Of Credit Facility [Line Items]
Paycheck protection program liquidity facility			$ 449,900,000
Debt instrument, interest rate			0.35%
Federal Reserve Bank of Chicago Discount Window Line | Minimum
Line Of Credit Facility [Line Items]
Line of credit facility, maturity month and year			2022-04
Federal Reserve Bank of Chicago Discount Window Line | Maximum [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, maturity month and year			2022-05
Federal Reserve Bank of Chicago Discount Window Line | Letter Agreement
Line Of Credit Facility [Line Items]
Interest rate spread	0.35%
Correspondent Bank | Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount		$ 15,000,000.0
Line of credit facility, extended maturity date		Oct. 09, 2020
Line of credit facility, interest rate terms			The amended revolving line of credit bears interest at either the London Interbank Offered Rate (“LIBOR”) plus 195 basis points or the Prime Rate minus 75 basis points, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period. If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points. At June 30, 2020 and December 31, 2019, the line of credit had no outstanding balance.
Correspondent Bank | Ridgestone | LIBOR Rate
Line Of Credit Facility [Line Items]
Interest rate spread		2.50%
Correspondent Bank | Ridgestone | Prime Rate
Line Of Credit Facility [Line Items]
Interest rate spread		0.25%
Correspondent Bank | Credit agreement | Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount					$ 30,000,000.0
Correspondent Bank | Fifth Amendment Revolving Credit Agreement | Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount			$ 0	$ 0

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Other Borrowings - Summary of Short-term Credit Lines Available for Use (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Available Federal Funds Line
Debt Instrument [Line Items]
Short-term credit lines available for use	[1]	$ 115,000	$ 115,000
Federal Reserve Bank of Chicago Discount Window Line
Debt Instrument [Line Items]
Short-term credit lines available for use		884,968	547,798
Federal Home Loan Bank Line
Debt Instrument [Line Items]
Short-term credit lines available for use		$ 1,980,351	$ 1,390,698

[1] The Company did not have an outstanding balance on its federal funds lines as of June 30, 2020 and December 31, 2019.

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Other Borrowings - Summary of Short-term Credit Lines Available for Use (Parenthetical) (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Available Federal Funds Line
Debt Instrument [Line Items]
Short-term credit lines available for use, outstanding	$ 0	$ 0

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Subordinated Notes and Junior Subordinated Debentures - Additional Information (Details) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 03, 2020	Jun. 26, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Principal amount			$ 45,000,000		$ 45,000,000		$ 46,500,000
Other non-interest expense			3,736,000	$ 4,351,000	$ 8,351,000	$ 8,433,000
6.00 % Fixed-To-Floating Subordinate Notes Mature on July 1, 2030 | Subordinated Notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 50,000,000.0
Debt instrument, interest rate		6.00%
Debt instrument, maturity date		Jul. 01, 2030
Debt instrument, redemption, description					The Company may, at its option, redeem the notes, in whole or in part, on a semi-annual basis beginning on July 1, 2025, subject to obtaining the prior approval of the Federal Reserve to the extent such approval is then required.
Debt issuance costs		$ 1,200,000
Debt issuance costs, amortization period		10 years
6.00 % Fixed-To-Floating Subordinate Notes Mature on July 1, 2030 | Subordinated Notes | Subsequent Event
Debt Instrument [Line Items]
Debt instrument, face amount	$ 25,000,000.0
Debt instrument, interest rate	6.00%
Debt instrument, maturity date	Jul. 01, 2030
6.00 % Fixed-To-Floating Subordinate Notes Mature on July 1, 2030 | Subordinated Notes | Three-Month Secured Overnight Financing Rate Plus 588 Basis Points
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis					The subordinated notes bear a fixed interest rate of 6.00% until July 1, 2025 and a floating interest rate equal to a benchmark rate, which is expected to be three-month Secured Overnight Financing Rate plus 588 basis points thereafter until maturity.
Metropolitan Statutory Trust 1
Debt Instrument [Line Items]
Principal amount			$ 35,000,000		$ 35,000,000		$ 35,000,000
Metropolitan Statutory Trust 1 | Junior Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, maturity date					Mar. 17, 2034
Contractual rate			3.09%		3.09%		4.69%
Accrued interest payable			$ 43,000		$ 43,000		$ 71,000
Metropolitan Statutory Trust 1 | Junior Subordinated Debentures | Three-month LIBOR
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis					Three-month LIBOR + 2.79%
Interest rate spread					2.79%		2.79%
RidgeStone Capital Trust I
Debt Instrument [Line Items]
Principal amount							$ 1,500,000
RidgeStone Capital Trust I | Junior Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, maturity date					Jun. 30, 2033
Contractual rate							6.38%
Accrued interest payable			0		$ 0		$ 0
Redemption of debentures in whole at par value					1,500,000
Other non-interest expense					$ 112,000
RidgeStone Capital Trust I | Junior Subordinated Debentures | Five-year LIBOR
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis					Five-year LIBOR + 3.50%
Interest rate spread					3.50%		3.50%
First Evanston Bancorp Trust I
Debt Instrument [Line Items]
Principal amount			$ 10,000,000		$ 10,000,000		$ 10,000,000
First Evanston Bancorp Trust I | Junior Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, maturity date					Mar. 15, 2035
Contractual rate			2.09%		2.09%		3.67%
Accrued interest payable			$ 9,000		$ 9,000		$ 17,000
First Evanston Bancorp Trust I | Junior Subordinated Debentures | Three-month LIBOR
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis					Three-month LIBOR + 1.78%
Interest rate spread					1.78%		1.78%

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Subordinated Notes and Junior Subordinated Debentures - Junior Subordinated Debentures by Issuance (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Total liability, at par	$ 45,000	$ 46,500
Total liability, at carrying value	36,206	37,334
Metropolitan Statutory Trust 1
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Total liability, at par	35,000	35,000
RidgeStone Capital Trust I
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Total liability, at par		1,500
First Evanston Bancorp Trust I
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Total liability, at par	10,000	10,000
Junior Subordinated Debentures
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Discount	$ (8,794)	$ (9,166)
Junior Subordinated Debentures | Metropolitan Statutory Trust 1
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Stated Maturity	Mar. 17, 2034
Contractual Rate	3.09%	4.69%
Junior Subordinated Debentures | Metropolitan Statutory Trust 1 | Three-month LIBOR
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Interest Rate Spread, Description	Three-month LIBOR + 2.79%
Interest Rate Spread	2.79%	2.79%
Junior Subordinated Debentures | RidgeStone Capital Trust I
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Stated Maturity	Jun. 30, 2033
Contractual Rate		6.38%
Junior Subordinated Debentures | RidgeStone Capital Trust I | Five-year LIBOR
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Interest Rate Spread, Description	Five-year LIBOR + 3.50%
Interest Rate Spread	3.50%	3.50%
Junior Subordinated Debentures | First Evanston Bancorp Trust I
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Stated Maturity	Mar. 15, 2035
Contractual Rate	2.09%	3.67%
Junior Subordinated Debentures | First Evanston Bancorp Trust I | Three-month LIBOR
Shares Subject To Mandatory Redemption By Settlement Terms [Line Items]
Interest Rate Spread, Description	Three-month LIBOR + 1.78%
Interest Rate Spread	1.78%	1.78%

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Commitments and Contingent Liabilities - Summary of Minimum Annual Rental Commitments for Operating Leases (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Commitments And Contingencies Disclosure [Abstract]
2020	$ 2,258
2021	4,148
2022	2,380
2023	1,382
2024	1,249
Thereafter	2,148
Total	$ 13,565

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Commitments and Contingent Liabilities - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Commitments And Contingencies Liabilities [Line Items]
Rental expenses	$ 1,700,000	$ 1,500,000	$ 3,300,000	$ 2,800,000
Sublease income	182,000	$ 190,000	365,000	$ 370,000
Minimum rental to be received in future on subleases	$ 930,000		$ 930,000
Sublease contract maturity year			2025
Fixed rate loan commitments maturity year			2050
Variable rate loan commitments maturity year			2048
Maximum
Commitments And Contingencies Liabilities [Line Items]
Commitments to make loans period			90 days
Loan commitments fixed interest rate	18.00%		18.00%
Loan commitments variable interest rate	10.00%		10.00%
Minimum
Commitments And Contingencies Liabilities [Line Items]
Loan commitments fixed interest rate	1.25%		1.25%
Loan commitments variable interest rate	1.25%		1.25%

XML

Commitments and Contingent Liabilities - Summary of Contract or Notional Amount of Outstanding Loan and Lease Commitments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Commitments And Contingencies Liabilities [Line Items]
Fixed Rate	$ 82,414	$ 56,576
Variable Rate	1,025,080	973,896
Total	1,107,494	1,030,472
Commitments to Extend Credit
Commitments And Contingencies Liabilities [Line Items]
Fixed Rate	81,722	55,852
Variable Rate	962,873	908,382
Total	1,044,595	964,234
Letters of Credit
Commitments And Contingencies Liabilities [Line Items]
Fixed Rate	692	724
Variable Rate	62,207	65,514
Total	$ 62,899	$ 66,238

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Fair Value Measurement - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	$ 1,426,871		$ 1,186,292
Servicing assets, at fair value	18,351	$ 17,800	19,471	$ 19,760	$ 19,534	$ 19,693
Derivative assets	20,084		7,960
Derivative liabilities	21,393		8,519
Equity and other securities, at fair value	8,181		8,031
U.S. Treasury Notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	31,095		41,830
U.S. Government Agencies
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	137,795		164,950
Obligations of States, Municipalities, and Political Subdivisions
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	125,156		94,832
Corporate Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	56,278		49,330
Asset-Backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	49,116		44,317
Fair Value, Measurements, Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Servicing assets, at fair value	18,351		19,471
Derivative assets	20,084		7,960
Derivative liabilities	21,393		8,519
Fair Value, Measurements, Recurring | Mutual Funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	2,996
Equity and other securities, at fair value			2,952
Fair Value, Measurements, Recurring | Equity Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	5,185
Equity and other securities, at fair value			5,079
Fair Value, Measurements, Recurring | U.S. Treasury Notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	31,095		41,830
Fair Value, Measurements, Recurring | U.S. Government Agencies
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	137,795		164,950
Fair Value, Measurements, Recurring | Obligations of States, Municipalities, and Political Subdivisions
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	125,156		94,832
Fair Value, Measurements, Recurring | Mortgage-Backed Securities; Residential | Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	679,865		490,236
Fair Value, Measurements, Recurring | Mortgage-Backed Securities; Residential | Non-Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	77,291		109,822
Fair Value, Measurements, Recurring | Mortgage-Backed Securities; Commercial | Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	239,054		159,701
Fair Value, Measurements, Recurring | Mortgage-Backed Securities; Commercial | Non-Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	31,221		31,274
Fair Value, Measurements, Recurring | Corporate Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	56,278		49,330
Fair Value, Measurements, Recurring | Asset-Backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	49,116		44,317
Fair Value, Measurements, Recurring | Level 1 | Mutual Funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	2,996
Equity and other securities, at fair value			2,952
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury Notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	31,095		41,830
Fair Value, Measurements, Recurring | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative assets	20,084		7,960
Derivative liabilities	21,393		8,519
Fair Value, Measurements, Recurring | Level 2 | Equity Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	4,501
Equity and other securities, at fair value			4,379
Fair Value, Measurements, Recurring | Level 2 | U.S. Government Agencies
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	137,795		164,950
Fair Value, Measurements, Recurring | Level 2 | Obligations of States, Municipalities, and Political Subdivisions
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	125,156		94,832
Fair Value, Measurements, Recurring | Level 2 | Mortgage-Backed Securities; Residential | Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	679,865		490,236
Fair Value, Measurements, Recurring | Level 2 | Mortgage-Backed Securities; Residential | Non-Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	77,291		109,822
Fair Value, Measurements, Recurring | Level 2 | Mortgage-Backed Securities; Commercial | Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	239,054		159,701
Fair Value, Measurements, Recurring | Level 2 | Mortgage-Backed Securities; Commercial | Non-Agency
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	31,221		31,274
Fair Value, Measurements, Recurring | Level 2 | Corporate Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	56,278		49,330
Fair Value, Measurements, Recurring | Level 2 | Asset-Backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	49,116		44,317
Fair Value, Measurements, Recurring | Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Servicing assets, at fair value	18,351		19,471
Fair Value, Measurements, Recurring | Level 3 | Equity Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Securities available-for-sale, at fair value	$ 684
Equity and other securities, at fair value			$ 700

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Fair Value Measurement - Additional Information (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]
Fair value, assets, to or from level 3 transfers, amount	$ 0	$ 0
Fair value, liabilities, to or from level 3 transfers, amount	0	0
Fair value, equity, to or from level 3 transfers, amount	$ 0	$ 0

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Fair Value Measurement - Summary of Financial Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Investment Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Balance, beginning of period	$ 700	$ 886
Amortization		3
Change in fair value	(19)	1
Balance, end of period	681	890
Servicing Assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Balance, beginning of period	19,471	19,693
Additions, net	2,655	2,551
Change in fair value	(3,775)	(2,484)
Balance, end of period	$ 18,351	$ 19,760

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Fair Value Measurement - Summary of Unobservable Inputs Used in the Fair Value Measurements on Recurring Basis (Details) - Fair Value, Measurements, Recurring - Level 3	6 Months Ended
	Jun. 30, 2020
Single Issuer Trust Preferred
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impact to Valuation from an Increased or Higher Input Value	Decrease
Debt Instrument, Valuation Technique [Extensible List]	us-gaap:ValuationTechniqueDiscountedCashFlowMember
Debt Instrument, Measurement Input [Extensible List]	us-gaap:MeasurementInputDiscountRateMember
Single Issuer Trust Preferred | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.049
Single Issuer Trust Preferred | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.054
Single Issuer Trust Preferred | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.055
Servicing Assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Servicing Asset, Valuation Technique [Extensible List]	us-gaap:ValuationTechniqueDiscountedCashFlowMember
Servicing Assets | Prepayment Speeds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impact to Valuation from an Increased or Higher Input Value	Decrease
Servicing Assets | Prepayment Speeds | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.017
Servicing Assets | Prepayment Speeds | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.292
Servicing Assets | Prepayment Speeds | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.160
Servicing Assets | Discount Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impact to Valuation from an Increased or Higher Input Value	Decrease
Servicing Assets | Discount Rate | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.021
Servicing Assets | Discount Rate | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.376
Servicing Assets | Discount Rate | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unobservable Inputs	0.115
Servicing Assets | Expected Weighted Average Loan life
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impact to Valuation from an Increased or Higher Input Value	Increase
Servicing Assets | Expected Weighted Average Loan life | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Expected weighted average loan life	1 month 6 days
Servicing Assets | Expected Weighted Average Loan life | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Expected weighted average loan life	8 years 9 months 18 days
Servicing Assets | Expected Weighted Average Loan life | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Expected weighted average loan life	3 years 8 months 12 days

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Fair Value Measurement - Summary of Assets Measured at Fair Value on Non-Recurring Basis, Excluding Acquired Impaired Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Commercial Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	$ 33,226	$ 23,782
Residential Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	1,725	2,274
Construction, Land Development, and Other Land
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	4,189	2,644
Commercial and Industrial
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	25,136	29,351
Other Real Estate Owned
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	8,652	9,896
Assets Held For Sale
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	15,264	15,362
Level 3 | Commercial Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	33,226	23,782
Level 3 | Residential Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	1,725	2,274
Level 3 | Construction, Land Development, and Other Land
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	4,189	2,644
Level 3 | Commercial and Industrial
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	25,136	29,351
Level 3 | Other Real Estate Owned
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	8,652	9,896
Level 3 | Assets Held For Sale
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Assets, Fair Value	$ 15,264	$ 15,362

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Fair Value Measurement - Summary of Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financial assets
Cash and due from banks	$ 51,818	$ 48,228
Interest bearing deposits with other banks	88,113	32,509
Securities held-to-maturity, fair value	4,582	4,498
Restricted stock, at cost	6,232	22,127
Loans held for sale	3,031	11,732
Loans and lease receivables, net (less impaired loans at fair value	4,339,822	3,753,725
Financial liabilities
Paycheck Protection Program Liquidity Facility	449,889
Federal Home Loan Bank advances	4,000	490,000
Securities sold under agreements to repurchase	56,525	49,638
Subordinated notes, net	48,777
Junior subordinated debentures issued to capital trusts, net	36,206	37,334
Level 1 | Carrying Amount
Financial assets
Cash and due from banks	51,818	48,228
Level 1 | Estimate of Fair Value Measurement
Financial assets
Cash and due from banks	51,818	48,228
Level 2 | Carrying Amount
Financial assets
Interest bearing deposits with other banks	88,113	32,509
Securities held-to-maturity, fair value	4,404	4,412
Restricted stock, at cost	6,232	22,127
Financial liabilities
Non-interest-bearing deposits	1,768,675	1,279,641
Interest-bearing deposits	3,189,670	2,867,936
Accrued interest payable	1,928	3,677
Paycheck Protection Program Liquidity Facility	449,889
Federal Home Loan Bank advances	4,000	490,000
Securities sold under agreements to repurchase	56,525	49,638
Subordinated notes, net	50,000
Level 2 | Estimate of Fair Value Measurement
Financial assets
Interest bearing deposits with other banks	88,113	32,509
Securities held-to-maturity, fair value	4,582	4,498
Restricted stock, at cost	6,232	22,127
Financial liabilities
Non-interest-bearing deposits	1,768,675	1,279,641
Interest-bearing deposits	3,193,090	2,873,380
Accrued interest payable	1,928	3,677
Paycheck Protection Program Liquidity Facility	449,889
Federal Home Loan Bank advances	4,000	490,000
Securities sold under agreements to repurchase	56,525	49,638
Subordinated notes, net	49,999
Level 3 | Carrying Amount
Financial assets
Loans held for sale	3,031	11,732
Loans and lease receivables, net (less impaired loans at fair value	4,275,546	3,695,674
Accrued interest receivable	15,633	13,283
Financial liabilities
Junior subordinated debentures issued to capital trusts, net	36,206	37,334
Level 3 | Estimate of Fair Value Measurement
Financial assets
Loans held for sale	3,357	12,935
Loans and lease receivables, net (less impaired loans at fair value	4,211,233	3,661,724
Accrued interest receivable	15,633	13,283
Financial liabilities
Junior subordinated debentures issued to capital trusts, net	$ 40,310	$ 42,881

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Derivative Instruments and Hedge Activities - Summary of Derivative Financial Instruments and Classification on Consolidated Statements of Financial Condition (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Derivatives Fair Value [Line Items]
Notional Amount	$ 382,732,000	$ 341,358,000
Other Assets	20,084,000	7,960,000
Other Liabilities	21,393,000	8,519,000
Other Interest Rate Derivatives
Derivatives Fair Value [Line Items]
Notional Amount	373,862,000
Other Assets	20,084,000
Other Liabilities	21,370,000
Derivatives Not Designated As Hedging Instruments | Other Credit Derivatives
Derivatives Fair Value [Line Items]
Notional Amount	8,870,000	9,302,000
Other Liabilities	23,000	12,000
Derivatives Not Designated As Hedging Instruments | Other Interest Rate Derivatives
Derivatives Fair Value [Line Items]
Notional Amount	373,862,000	332,056,000
Other Assets	20,084,000	7,960,000
Other Liabilities	$ 21,370,000	$ 8,507,000

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Derivative Instruments and Hedge Activities - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Derivative notional amount		$ 382,732,000		$ 382,732,000		$ 341,358,000
Unrealized gain (loss) to be reclassified as an decrease to interest expense during the next twelve months		(85,000)		(85,000)
Fair value of derivatives net liability position		21,400,000		21,400,000
Collateral amount posted		21,300,000		21,300,000
Settlement obligation termination value		21,400,000		21,400,000
Other Interest Rate Derivatives
Derivative [Line Items]
Derivative notional amount		373,862,000		$ 373,862,000
Derivative maturity date, start year				Jan. 31, 2022
Derivative maturity date, end year				Mar. 31, 2030
Derivative instruments transaction fees		154,000	$ 392,000	$ 660,000	$ 717,000
Other Credit Derivatives
Derivative [Line Items]
Derivative notional amount		8,900,000		8,900,000		9,300,000
Derivatives Designated as Hedging Instruments | Interest Rate Swaps | Cash Flow Hedging
Derivative [Line Items]
Derivative notional amount		0		0		$ 0
Termination of designated as cash flow hedges to reduce interest risk	$ 250,000,000.0
Transaction, net of tax	$ 383,000
Remaining balance in accumulated other comprehensive income		$ 329,000		$ 329,000

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Derivative Instruments and Hedge Activities - Summary of Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) and Consolidated Statements of Operations Relating to Cash Flow Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
Amount of Loss Recognized in OCI	$ (3,417)		$ (5,234)
Interest Rate Swaps
Derivative [Line Items]
Amount of Loss Recognized in OCI			(5,234)
Amount of Loss Reclassified from OCI to Income as an Increase to Interest Expense		$ (42)	$ 1,280

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Derivative Instruments and Hedge Activities - Summary of Other Interest Rate Derivatives (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Notional Amount	$ 382,732,000	$ 341,358,000
Derivative assets fair value	20,084,000	7,960,000
Derivative liabilities fair value	21,393,000	$ 8,519,000
Other Interest Rate Derivatives
Derivative [Line Items]
Notional Amount	373,862,000
Derivative assets fair value	20,084,000
Derivative liabilities fair value	$ 21,370,000
Weighted average pay rates	4.49%
Weighted average receive rates	2.68%
Weighted average maturity	6 years 4 months 24 days

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Derivative Instruments and Hedge Activities - Summary of Amounts Included in Non-Interest Income in Consolidated Statements of Operations Relating to Derivative Instruments not Designated in Hedging Relationship (Details) - Non-Interest Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
Amounts relating to derivative instruments, not designated in hedging relationship	$ (16)	$ (224)	$ (751)	$ (376)
Other Credit Derivatives
Derivative [Line Items]
Amounts relating to derivative instruments, not designated in hedging relationship	1	(3)	(11)	(4)
Other Interest Rate Derivatives
Derivative [Line Items]
Amounts relating to derivative instruments, not designated in hedging relationship	$ (17)	$ (221)	$ (740)	$ (372)

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Derivative Instruments and Hedge Activities - Summary of Company's Interest Rate Derivative and Offsetting Positions (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Gross amounts recognized	$ 20,084	$ 7,960
Net amount presented in the Consolidated Statements of Financial Condition	20,084	7,960
Gross amounts not offset in the Consolidated Statements of Financial Condition
Offsetting derivative positions		(1)
Collateral posted	(20,084)	(7,959)
Gross amounts recognized	21,393	8,519
Net amount presented in the Consolidated Statements of Financial Condition	21,393	8,519
Gross amounts not offset in the Consolidated Statements of Financial Condition
Offsetting derivative positions		(1)
Collateral posted	(21,261)	$ (8,518)
Net credit exposure	$ 132

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Share-Based Compensation - Additional Information (Details) - USD ($)					1 Months Ended		3 Months Ended						6 Months Ended		12 Months Ended
	May 15, 2019	Apr. 30, 2019	Oct. 03, 2017	Jul. 06, 2017	Feb. 29, 2020	Oct. 31, 2014	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, voting par value							$ 0.01		$ 0.01				$ 0.01		$ 0.01
Proceeds from the exercise of stock options													$ 733,000	$ 2,305,000
Oak Park River Forest Bankshares, Inc.
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Consideration paid in cash	$ 4,200,000	$ 6,163,000
Business combination conversion of outstanding options	35,870
Performance Options Grants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vested			414,894
Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock in connection with restricted stock awards, shares								174,036	16,345	36,350	136,469	(8,500)
Number of options exercised							5,196	55,402	71,029	3,472	116,048	50,662
Common Stock | Restricted Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of restricted voting common stock granted					174,179
Common stock, voting par value					$ 0.01
Shares vested															4,571
Common Stock | Restricted Shares | Each Anniversary of Grant Date Over Four Years
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period					4 years
Shares vest on grant date					103,465
Common Stock | Restricted Shares | Each Anniversary of Grant Date Vest Over Three Years
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period					3 years
Shares vest on grant date					38,786
Omnibus Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock reserved for issuance																				1,550,000
Number of common shares available for future grants							995,845						995,845
Omnibus Plan | Restricted Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period																	4 years
Shares of restricted voting common stock granted													174,179
Restricted shares vested													53,832		48,491
Fair value of restricted shares, vested													$ 593,000		$ 900,000
Fair value of unvested restricted stock awards							$ 5,900,000						$ 5,900,000
Omnibus Plan | Performance-based Restricted Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of restricted voting common stock granted					31,928										20,975	11,165
Period for number of shares earned under return on average assets					3 years										3 years	3 years
Minimum target percentage in assets of peer group consisting publicly-traded bank holding companies																50.00%
Maximum target percentage in assets of peer group consisting publicly-traded bank holding companies																200.00%
Omnibus Plan | Performance-based Restricted Shares | Threshold performance
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of target number of shares to be earned																25.00%
Omnibus Plan | Performance-based Restricted Shares | 50th Percentile Performance
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of target number of shares to be earned																100.00%
Omnibus Plan | Performance-based Restricted Shares | 75th Percentile Performance
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of target number of shares to be earned																125.00%
Omnibus Plan | Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock in connection with restricted stock awards, shares				58,900													11,898
Omnibus Plan | Common Stock | Restricted Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of restricted voting common stock granted															189,647	131,157
Common stock, voting par value									$ 0.01						$ 0.01	$ 0.01
Omnibus Plan | Common Stock | Restricted Shares | Each Anniversary of Grant Date Over Four Years
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period															4 years	4 years
Shares vest on grant date															111,823	102,559
Omnibus Plan | Common Stock | Restricted Shares | Each Anniversary of Grant Date Vest Over Three Years
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period															3 years	3 years
Shares vest on grant date															72,570	15,165
Omnibus Plan | Common Stock | Restricted Shares | First Anniversary of Grant Date
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares vest on grant date															683	2,268
BYB Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares available for future grants																				0
Number of options granted																	0	212,400	1,634,568
Number of shares outstanding							1,390,579		1,410,075				1,390,579		1,410,075
Options vested													20,000
Number of options exercised													19,496		127,997
Proceeds from the exercise of stock options													$ 253,000		$ 1,900,000
Tax benefit from exercise of stock options													$ 39,000		$ 145,000
BYB Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares available for future grants						2,476,122
BYB Plan | Time Options Grants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award contractual term						10 years
BYB Plan | Time Options Grants | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period						5 years
BYB Plan | Time Options Grants | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period						1 year
BYB Plan | Performance Options Grants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award contractual term						10 years
BYB Plan | Performance Options Grants | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period						5 years
BYB Plan | Performance Options Grants | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period						1 year
FEB Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares outstanding							470,067		511,169				470,067		511,169
Number of options exercised													41,102		113,214
Proceeds from the exercise of stock options													$ 479,000		$ 1,300,000
Tax benefit from exercise of stock options													$ 87,000		$ 253,000
Conversion calculation percentage							472.50%						472.50%

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Share-Based Compensation - Summary of Changes in Restricted Shares (Details) - Omnibus Plan - Restricted Shares - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares, beginning balance	328,653
Number of shares, granted	174,179
Number of shares, vested	(53,832)	(48,491)
Number of shares, forfeited	(143)
Number of shares, ending balance	448,857	328,653
Weighted average grant date fair value, beginning balance	$ 19.94
Weighted average grant date fair value, granted	17.52
Weighted average grant date fair value, vested	20.76
Weighted average grant date fair value, forfeited	17.50
Weighted average grant date fair value, ending balance	$ 18.90	$ 19.94

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Share-Based Compensation - Summary of Stock Compensation Expense (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation (benefit)	$ 7	$ (133)
Income tax benefit (expense)	$ 2	(37)
Unrecognized compensation expense		$ 35
Weighted-average amortization period remaining	0 years	8 months 12 days
Restricted Shares
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation	$ 1,336	$ 807
Income tax benefit	372	225
Unrecognized compensation expense	$ 6,329	$ 4,829
Weighted-average amortization period remaining	2 years 8 months 12 days	3 years

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Share-Based Compensation - Summary Activity in shares Subjected to Options and Weighted Average Exercise Prices (Details) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
BYB Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning balance | shares	1,410,075
Number of Shares, Exercised | shares	(19,496)	(127,997)
Number of Shares, Ending balance | shares	1,390,579	1,410,075
Number of Shares, Exercisable | shares	1,390,579
Weighted Average Exercise Price, Beginning balance | $ / shares	$ 11.38
Weighted Average Exercise Price, Exercised | $ / shares	13.00
Weighted Average Exercise Price, Ending balance | $ / shares	11.36	$ 11.38
Weighted Average Exercise Price, Exercisable | $ / shares	$ 11.36
Intrinsic Value, Beginning balance | $	$ 11,542
Intrinsic Value, Exercised | $	139
Intrinsic Value, Ending balance | $	2,574	$ 11,542
Intrinsic Value, Exercisable | $	$ 2,574
Weighted Average Remaining Contractual Term (in Years)	4 years 10 months 24 days	5 years 4 months 24 days
Weighted Average Remaining Contractual Term (in Years), Exercisable	4 years 10 months 24 days
FEB Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning balance | shares	511,169
Number of Shares, Exercised | shares	(41,102)	(113,214)
Number of Shares, Ending balance | shares	470,067	511,169
Number of Shares, Exercisable | shares	470,067
Weighted Average Exercise Price, Beginning balance | $ / shares	$ 11.35
Weighted Average Exercise Price, Exercised | $ / shares	11.65
Weighted Average Exercise Price, Ending balance | $ / shares	11.32	$ 11.35
Weighted Average Exercise Price, Exercisable | $ / shares	$ 11.32
Intrinsic Value, Beginning balance | $	$ 4,204
Intrinsic Value, Exercised | $	313
Intrinsic Value, Ending balance | $	837	$ 4,204
Intrinsic Value, Exercisable | $	$ 837
Weighted Average Remaining Contractual Term (in Years)	3 years 9 months 18 days	4 years 4 months 24 days
Weighted Average Remaining Contractual Term (in Years), Exercisable	3 years 9 months 18 days

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Earnings per Share - Additional Information (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share Basic [Line Items]
Shares outstanding	37,919,480	37,263,352	37,931,406	36,719,436
Stock Options
Earnings Per Share Basic [Line Items]
Shares outstanding			1,860,646	1,995,745
Restricted Stock Award
Earnings Per Share Basic [Line Items]
Shares outstanding			448,857	288,560

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Earnings per Share - Schedule of Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 9,139	$ 2,966	$ 15,852	$ 15,342	$ 13,211	$ 12,597	$ 12,105	$ 25,808
Dividends on preferred shares	195				195		391	391
Net income available to common stockholders	$ 8,944				$ 13,016		$ 11,714	$ 25,417
Weighted-average common stock outstanding:
Weighted-average common stock outstanding (basic)	37,919,480				37,263,352		37,931,406	36,719,436
Incremental shares	107,809				684,654		418,658	725,971
Weighted-average common stock outstanding (dilutive)	38,027,289				37,948,006		38,350,064	37,445,407
Basic earnings per common share	$ 0.24				$ 0.35		$ 0.31	$ 0.69
Diluted earnings per common share	$ 0.24				$ 0.34		$ 0.31	$ 0.68

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Stockholders' Equity - Summary of Preferred and Common Stock (Details) - $ / shares	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Class Of Stock [Line Items]
Shares authorized	50,000		50,000
Shares issued	10,438		10,438
Shares outstanding	10,438		10,438
Common stock, voting par value	$ 0.01		$ 0.01
Common stock, voting shares authorized	150,000,000		150,000,000
Common stock, voting shares issued	38,506,703		38,256,500
Common stock, voting shares outstanding	38,388,217		38,256,500
Treasury shares	118,486	118,486
Series B 7.5% Fixed to Floating Non-Cumulative Perpetual Preferred Stock
Class Of Stock [Line Items]
Par value	$ 0.01		$ 0.01
Shares authorized	50,000		50,000
Shares issued	10,438		10,438
Shares outstanding	10,438		10,438

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Stockholders' Equity - Summary of Preferred and Common Stock (Parenthetical) (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Series B 7.5% Fixed to Floating Non-Cumulative Perpetual Preferred Stock
Class Of Stock [Line Items]
Preferred stock, dividend rate, percentage	7.50%	7.50%

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Stockholders' Equity - Additional Information (Details) - USD ($)		3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 11, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2016	Nov. 01, 2019
Class Of Stock [Line Items]
Dividends declared and paid						$ 391,000	$ 391,000
Aggregate number of shares authorized to repurchase									1,250,000
Approximate percentage of shares authorized to be repurchased		3.30%				3.30%
Treasury shares		118,486	118,486			118,486
Treasury shares, at cost		$ 1,668,000	$ 1,700,000			$ 1,668,000
Cash dividend declared	$ 0.03
Dividend payable date	Jul. 07, 2020
Dividends record date	Jun. 23, 2020
Dividends declared		1,152,000	$ 1,151,000	$ 1,148,000	$ 0
Series B Preferred Stock
Class Of Stock [Line Items]
Preferred stock, dividend rate, percentage								7.50%
Preferred stock, liquidation preference per share								$ 1,000
Preferred stock fixed dividend close date								Dec. 30, 2021
Preferred stock redemption price per share								$ 1,000
Dividends declared and paid		$ 196,000			$ 196,000	$ 391,000	$ 391,000
Series B Preferred Stock | Three-month LIBOR
Class Of Stock [Line Items]
Preferred stock, dividend rate, percentage								5.41%

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Consolidated Statements of Change in Accumulated Other Comprehensive Income (Loss) - Schedule of Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 762,667	$ 750,115	$ 735,866	$ 717,675	$ 668,749	$ 650,672	$ 750,115	$ 650,672
Cumulative-effect adjustment (ASU 2016-01)								(1,440)
Other comprehensive income (loss), net of tax	9,685	11,048	(1,661)	2,309	5,071	4,519	20,733	9,590
Ending balance	780,935	762,667	750,115	735,866	717,675	668,749	780,935	717,675
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		(366)		64		4,763	(366)	4,763
Other comprehensive income (loss), net of tax							31	(4,699)
Ending balance	(335)		(366)		64		(335)	64
Unrealized Gains (Losses) on Available-for-Sale Securities
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		(334)		(1,412)		(14,261)	(334)	(14,261)
Cumulative-effect adjustment (ASU 2016-01)								(1,440)
Other comprehensive income (loss), net of tax							20,702	14,289
Ending balance	20,368		(334)		(1,412)		20,368	(1,412)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	10,348	(700)	961	(1,348)	(6,419)	(9,498)	(700)	(9,498)
Cumulative-effect adjustment (ASU 2016-01)						(1,440)
Other comprehensive income (loss), net of tax	9,685	11,048	(1,661)	2,309	5,071	4,519
Ending balance	$ 20,033	$ 10,348	$ (700)	$ 961	$ (1,348)	$ (6,419)	$ 20,033	$ (1,348)