10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

þQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended

March 31, 2017

or

¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Commission File No. 001-10253

TCF Financial Corporation

(Exact name of registrant as specified in its charter)

Delaware	41-1591444
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

200 Lake Street East

Wayzata, Minnesota 55391-1693

(Address and Zip Code of principal executive offices)

(952) 745-2760

(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 þ                                                   No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes þ                                                   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 Exchange Act.

Large accelerated filer	þ	Accelerated filer	¨
Non-accelerated filer	¨ (Do not check if smaller reporting company)	Smaller reporting company	¨
		Emerging growth company	¨

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ¨                                                 No þ

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

	Outstanding at
Class	April 28, 2017
Common Stock, $.01 par value	171,230,663 shares

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

INDEX

Part I. Financial Information	Pages
Item 1. Financial Statements
Consolidated Statements of Financial Condition at March 31, 2017 and December 31, 2016	1
Consolidated Statements of Income for the Three Months Ended March 31, 2017 and 2016	2
Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2017 and 2016	3
Consolidated Statements of Equity for the Three Months Ended March 31, 2017 and 2016	4
Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2017 and 2016	5
Notes to Consolidated Financial Statements	6
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	33
Item 3. Quantitative and Qualitative Disclosures About Market Risk	56
Item 4. Controls and Procedures	57
Part II. Other Information
Items 1 - 6	58
Signatures	60
Index to Exhibits	61

Part I - Financial Information

Item 1. Financial Statements

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Financial Condition

(Dollars in thousands, except per-share data)	At March 31, 2017			At December 31, 2016
	(Unaudited)
Assets:
Cash and due from banks	$	468,584		$	609,603
Investments	81,717			74,714
Securities held to maturity	176,236			181,314
Securities available for sale	1,475,950			1,423,435
Loans and leases held for sale	605,631			268,832
Loans and leases:
Consumer real estate:
First mortgage lien	2,166,691			2,292,596
Junior lien	2,494,696			2,791,756
Total consumer real estate	4,661,387			5,084,352
Commercial	3,376,050			3,286,478
Leasing and equipment finance	4,276,008			4,336,310
Inventory finance	2,864,248			2,470,175
Auto finance	2,780,416			2,647,741
Other	16,785			18,771
Total loans and leases	17,974,894			17,843,827
Allowance for loan and lease losses	(160,166		)	(160,269		)
Net loans and leases	17,814,728			17,683,558
Premises and equipment, net	423,055			418,372
Goodwill	225,640			225,640
Other assets	565,027			555,858
Total assets	$	21,836,568		$	21,441,326
Liabilities and Equity:
Deposits:
Checking	$	6,218,654		$	6,009,151
Savings	4,850,742			4,719,481
Money market	2,301,643			2,421,467
Certificates of deposit	4,094,551			4,092,423
Total deposits	17,465,590			17,242,522
Short-term borrowings	5,432			4,391
Long-term borrowings	1,241,155			1,073,181
Total borrowings	1,246,587			1,077,572
Accrued expenses and other liabilities	633,728			676,587
Total liabilities	19,345,905			18,996,681
Equity:
Preferred stock, par value $0.01 per share, 30,000,000 shares authorized;
4,006,900 shares issued	263,240			263,240
Common stock, par value $0.01 per share, 280,000,000 shares authorized;
170,983,828 and 171,034,506 shares issued, respectively	1,710			1,710
Additional paid-in capital	853,024			862,776
Retained earnings, subject to certain restrictions	1,410,418			1,382,901
Accumulated other comprehensive income (loss)	(30,695		)	(33,725		)
Treasury stock at cost, 42,566 shares, and other	(33,585		)	(49,419		)
Total TCF Financial Corporation stockholders' equity	2,464,112			2,427,483
Non-controlling interest in subsidiaries	26,551			17,162
Total equity	2,490,663			2,444,645
Total liabilities and equity	$	21,836,568		$	21,441,326

See accompanying notes to consolidated financial statements.

1

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Income

(Unaudited)

	Three Months Ended   March 31,
(In thousands, except per-share data)	2017		2016
Interest income:
Loans and leases	$	219,548	$	214,805
Securities available for sale	7,980		5,498
Securities held to maturity	1,280		1,319
Loans held for sale and other	13,499		10,720
Total interest income	242,307		232,342
Interest expense:
Deposits	13,715		14,991
Borrowings	6,478		5,693
Total interest expense	20,193		20,684
Net interest income	222,114		211,658
Provision for credit losses	12,193		18,842
Net interest income after provision for credit losses	209,921		192,816
Non-interest income:
Fees and service charges	31,282		32,817
Card revenue	13,150		13,363
ATM revenue	4,675		5,021
Subtotal	49,107		51,201
Gains on sales of auto loans, net	2,864		11,920
Gains on sales of consumer real estate loans, net	8,891		9,384
Servicing fee income	11,651		8,883
Subtotal	23,406		30,187
Leasing and equipment finance	28,298		28,487
Other	2,703		2,843
Fees and other revenue	103,514		112,718
Gains (losses) on securities, net	—		(116		)
Total non-interest income	103,514		112,602
Non-interest expense:
Compensation and employee benefits	124,477		124,473
Occupancy and equipment	39,600		37,008
Other	64,037		53,348
Subtotal	228,114		214,829
Operating lease depreciation	11,242		9,573
Foreclosed real estate and repossessed assets, net	4,549		3,920
Other credit costs, net	101		12
Total non-interest expense	244,006		228,334
Income before income tax expense	69,429		77,084
Income tax expense	20,843		26,803
Income after income tax expense	48,586		50,281
Income attributable to non-controlling interest	2,308		2,235
Net income attributable to TCF Financial Corporation	46,278		48,046
Preferred stock dividends	4,847		4,847
Net income available to common stockholders	$	41,431	$	43,199
Earnings per common share:
Basic	$	0.25	$	0.26
Diluted	$	0.25	$	0.26

See accompanying notes to consolidated financial statements.

2

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income

(Unaudited)

	Three Months Ended March 31,
(In thousands)	2017			2016
Net income attributable to TCF Financial Corporation	$	46,278		$	48,046
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale and interest-only strips	2,769			12,037
Net unrealized gains (losses) on net investment hedges	(313		)	(2,020		)
Foreign currency translation adjustment	581			3,409
Recognized postretirement prior service cost	(7		)	(7		)
Total other comprehensive income (loss), net of tax	3,030			13,419
Comprehensive income	$	49,308		$	61,465

See accompanying notes to consolidated financial statements.

3

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Equity

(Unaudited)

	TCF Financial Corporation
	Number of Shares Issued			Preferred Stock		Common Stock			Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Treasury Stock and Other			Total			Non- controlling Interests		Total Equity
(Dollars in thousands)	Preferred	Common
Balance, December 31, 2015	4,006,900	169,887,030		$	263,240	$	1,699		$	851,836		$	1,240,347		$	(15,346	)	$	(50,860	)	$	2,290,916		$	16,001	$	2,306,917
Net income	—	—		—		—			—			48,046			—			—			48,046			2,235		50,281
Other comprehensive income (loss), net of tax	—	—		—		—			—			—			13,419			—			13,419			—		13,419
Net investment by (distribution to) non-controlling interest	—	—		—		—			—			—			—			—			—			7,692		7,692
Dividends on preferred stock	—	—		—		—			—			(4,847		)	—			—			(4,847		)	—		(4,847		)
Dividends on common stock	—	—		—		—			—			(12,515		)	—			—			(12,515		)	—		(12,515		)
Common shares purchased by TCF employee benefit plans	—	511,420		—		5			5,833			—			—			—			5,838			—		5,838
Stock compensation plans, net of tax	—	248,805		—		3			2,053			—			—			—			2,056			—		2,056
Change in shares held in trust for deferred compensation plans, at cost	—	—		—		—			585			—			—			(585		)	—			—		—
Balance, March 31, 2016	4,006,900	170,647,255		$	263,240	$	1,707		$	860,307		$	1,271,031		$	(1,927	)	$	(51,445	)	$	2,342,913		$	25,928	$	2,368,841
Balance, December 31, 2016	4,006,900	171,034,506		$	263,240	$	1,710		$	862,776		$	1,382,901		$	(33,725	)	$	(49,419	)	$	2,427,483		$	17,162	$	2,444,645
Change in accounting principle	—	—		—		—			1,319			(1,319		)	—			—			—			—		—
Net income	—	—		—		—			—			46,278			—			—			46,278			2,308		48,586
Other comprehensive income (loss), net of tax	—	—		—		—			—			—			3,030			—			3,030			—		3,030
Net investment by (distribution to) non-controlling interest	—	—		—		—			—			—			—			—			—			7,081		7,081
Dividends on preferred stock	—	—		—		—			—			(4,847		)	—			—			(4,847		)	—		(4,847		)
Dividends on common stock	—	—		—		—			—			(12,595		)	—			—			(12,595		)	—		(12,595		)
Common shares purchased by TCF employee benefit plans	—	366,591		—		4			6,442			—			—			—			6,446			—		6,446
Stock compensation plans, net of tax	—	(417,269	)	—		(4		)	(1,679		)	—			—			—			(1,683		)	—		(1,683		)
Change in shares held in trust for deferred compensation plans, at cost	—	—		—		—			(15,834		)	—			—			15,834			—			—		—
Balance, March 31, 2017	4,006,900	170,983,828		$	263,240	$	1,710		$	853,024		$	1,410,418		$	(30,695	)	$	(33,585	)	$	2,464,112		$	26,551	$	2,490,663

See accompanying notes to consolidated financial statements.

4

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Cash Flows

(Unaudited)

	Three Months Ended March 31,
(In thousands)	2017			2016
Cash flows from operating activities:
Net income	$	48,586		$	50,281
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	12,193			18,842
Depreciation and amortization	45,465			45,979
Provision for deferred income taxes	(12,032		)	7,654
Proceeds from sales of loans and leases held for sale	61,287			300,610
Originations of loans and leases held for sale, net of repayments	(232,556		)	(296,726		)
Gains on sales of assets, net	(14,741		)	(24,599		)
Net change in other assets and accrued expenses and other liabilities	(39,398		)	42,167
Other, net	(10,967		)	(6,507		)
Net cash provided by (used in) operating activities	(142,163		)	137,701
Cash flows from investing activities:
Proceeds from maturities of and principal collected on securities	33,361			24,603
Purchases of securities	(86,841		)	(240,789		)
Redemption of Federal Home Loan Bank stock	78,000			34,963
Purchases of Federal Home Loan Bank stock	(85,000		)	(36,000		)
Proceeds from sales of loans and leases	611,515			493,671
Loan and lease originations and purchases, net of principal collected on loans and leases	(734,954		)	(779,800		)
Proceeds from sales of lease equipment	2,242			4,265
Purchases of lease equipment	(223,786		)	(223,380		)
Proceeds from sales of real estate owned	15,711			20,504
Purchases of premises and equipment	(9,597		)	(7,661		)
Other, net	7,965			5,354
Net cash provided by (used in) investing activities	(391,384		)	(704,270		)
Cash flows from financing activities:
Net change in deposits	227,133			592,380
Net change in short-term borrowings	990			(3,231		)
Proceeds from long-term borrowings	3,610,415			1,249,037
Payments on long-term borrowings	(3,442,038		)	(1,286,920		)
Net investment by (distribution to) non-controlling interest	7,081			7,692
Dividends paid on preferred stock	(4,847		)	(4,847		)
Dividends paid on common stock	(12,595		)	(12,515		)
Stock compensation tax (expense) benefit	—			(49		)
Common shares sold to TCF employee benefit plans	6,446			5,838
Exercise of stock options	(57		)	—
Net cash provided by (used in) financing activities	392,528			547,385
Net change in cash and due from banks	(141,019		)	(19,184		)
Cash and due from banks at beginning of period	609,603			889,337
Cash and due from banks at end of period	$	468,584		$	870,153
Supplemental disclosures of cash flow information:
Cash paid (received) for:
Interest on deposits and borrowings	$	18,726		$	20,613
Income taxes, net	18,835			(37,483		)
Transfer of loans to other assets	22,182			26,016

See accompanying notes to consolidated financial statements.

5

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(Unaudited)

Note 1. Basis of Presentation

TCF Financial Corporation (together with its direct and indirect subsidiaries, "we," "us," "our," "TCF" or the "Company"), a Delaware corporation, is a national bank holding company based in Wayzata, Minnesota. References herein to "TCF Financial" or the "Holding Company" refer to TCF Financial Corporation on an unconsolidated basis. TCF's principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in Sioux Falls, South Dakota.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore do not include all of the information and notes necessary for complete financial statements in conformity with U.S. generally accepted accounting principles ("GAAP"). The information in this Quarterly Report on Form 10-Q is written with the presumption that the users of the interim financial statements have read or have access to the Company's most recent Annual Report on Form 10-K, which contains the latest audited financial statements and notes thereto, together with Management's Discussion and Analysis of Financial Condition and Results of Operations at December 31, 2016, and for the year then ended. All significant intercompany accounts and transactions have been eliminated in consolidation. Accounting policies in effect at December 31, 2016 remain significantly unchanged and have been followed similarly as in previous periods.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. These estimates are based on information available to management at the time the estimates are made. Actual results could differ from those estimates. In the opinion of management, the accompanying unaudited consolidated financial statements contain all the significant adjustments, consisting of normal recurring items, considered necessary for fair presentation. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year.

Effective January 1, 2017, the Company adopted Accounting Standards Update ("ASU") No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, which simplified several aspects of the accounting for share-based payment transactions, including income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. As a result of the adoption, the Company recorded a cumulative effect reduction to the opening balance of retained earnings of $1.3 million and a corresponding increase to additional paid-in capital. This cumulative effect adjustment to retained earnings was related to a policy election to account for forfeitures as they occur, thereby eliminating the need for an estimated forfeiture reserve against future cancellations. The adoption of this ASU on a prospective basis requires that tax benefits related to stock compensation be recorded to income tax expense, instead of to additional paid-in capital. The Company elected the prospective basis regarding the presentation of stock compensation tax (expense) benefit in the Consolidated Statement of Cash Flows as an operating activity, and as a result prior periods were not adjusted.

6

Note 2.  Cash and Due from Banks

At March 31, 2017 and December 31, 2016, TCF Bank was required by Federal Reserve regulations to maintain reserves of $110.7 million and $103.7 million, respectively, in cash on hand or at the Federal Reserve Bank.

TCF maintains cash balances that are restricted as to their use in accordance with certain contractual agreements primarily related to the sale and servicing of auto finance loans. Cash payments received on loans serviced for third parties are generally held in separate accounts until remitted. TCF may also retain cash balances for collateral on certain borrowings, forward foreign exchange contracts, interest rate contracts and other contracts. TCF maintained restricted cash totaling $52.4 million and $51.3 million at March 31, 2017 and December 31, 2016, respectively.

TCF had cash held in interest-bearing accounts of $218.4 million and $326.5 million at March 31, 2017 and December 31, 2016, respectively.

Note 3.  Securities Available for Sale and Securities Held to Maturity

Securities were as follows:

	At March 31, 2017								At December 31, 2016
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	833,058	$	448	$	17,563	$	815,943	$	827,722	$	423	$	17,254	$	810,891
Other	14		—		—		14		18		—		—		18
Obligations of states and political subdivisions	671,409		2,503		13,919		659,993		628,972		394		16,840		612,526
Total securities available for sale	$	1,504,481	$	2,951	$	31,482	$	1,475,950	$	1,456,712	$	817	$	34,094	$	1,423,435
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	173,436	$	3,154	$	514	$	176,076	$	178,514	$	3,072	$	440	$	181,146
Other securities	2,800		—		—		2,800		2,800		—		—		2,800
Total securities held to maturity	$	176,236	$	3,154	$	514	$	178,876	$	181,314	$	3,072	$	440	$	183,946

There were no sales of securities available for sale or impairment charges recognized during the first quarters of 2017 and 2016. At March 31, 2017 and December 31, 2016, mortgage-backed securities with a carrying value of $9.4 million and $7.5 million, respectively, were pledged as collateral to secure certain deposits and borrowings. Unrealized losses on securities available for sale are due to changes in interest rates. TCF has the ability and intent to hold these investments until a recovery of fair value occurs.

TCF recorded noimpairment charges on securities held to maturity for the first quarter of 2017and$0.1 million for the first quarter of 2016.

7

Gross unrealized losses and fair value of securities available for sale and securities held to maturity aggregated by investment category and the length of time the securities were in a continuous loss position were as follows:

	At March 31, 2017
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	733,539	$	17,563	$	—	$	—	$	733,539	$	17,563
Obligations of states and political subdivisions	437,921		13,919		—		—		437,921		13,919
Total securities available for sale	$	1,171,460	$	31,482	$	—	$	—	$	1,171,460	$	31,482
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	26,036	$	491	$	489	$	23	$	26,525	$	514
Total securities held to maturity	$	26,036	$	491	$	489	$	23	$	26,525	$	514

	At December 31, 2016
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	732,724	$	17,254	$	—	$	—	$	732,724	$	17,254
Obligations of states and political subdivisions	501,620		16,840		—		—		501,620		16,840
Total securities available for sale	$	1,234,344	$	34,094	$	—	$	—	$	1,234,344	$	34,094
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	27,090	$	440	$	—	$	—	$	27,090	$	440
Total securities held to maturity	$	27,090	$	440	$	—	$	—	$	27,090	$	440

The amortized cost and fair value of securities available for sale and securities held to maturity by final contractual maturity were as follows. The remaining contractual principal maturities do not consider possible prepayments. Remaining expected maturities will differ from contractual maturities because borrowers may have the right to prepay.

	At March 31, 2017				At December 31, 2016
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Securities available for sale:
Due in one year or less	$	—	$	—	$	1	$	1
Due in 1-5 years	2,404		2,440		18		18
Due in 5-10 years	353,864		354,044		331,430		329,005
Due after 10 years	1,148,213		1,119,466		1,125,263		1,094,411
Total securities available for sale	$	1,504,481	$	1,475,950	$	1,456,712	$	1,423,435
Securities held to maturity:
Due in one year or less	$	—	$	—	$	—	$	—
Due in 1-5 years	1,400		1,400		1,400		1,400
Due in 5-10 years	1,400		1,400		1,400		1,400
Due after 10 years	173,436		176,076		178,514		181,146
Total securities held to maturity	$	176,236	$	178,876	$	181,314	$	183,946

8

Interest income attributable to securities available for sale was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Taxable interest income	$	4,654	$	3,818
Tax-exempt interest income	3,326		1,680
Total interest income	$	7,980	$	5,498

Note 4.  Loans and Leases

Loans and leases were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate:
First mortgage lien	$	2,166,691	$	2,292,596
Junior lien	2,494,696		2,791,756
Total consumer real estate	4,661,387		5,084,352
Commercial:
Commercial real estate:
Permanent	2,402,702		2,356,287
Construction and development	271,627		277,904
Total commercial real estate	2,674,329		2,634,191
Commercial business	701,721		652,287
Total commercial	3,376,050		3,286,478
Leasing and equipment finance	4,276,008		4,336,310
Inventory finance	2,864,248		2,470,175
Auto finance	2,780,416		2,647,741
Other	16,785		18,771
Total loans and leases(1)	$	17,974,894	$	17,843,827

(1) Loans and leases are reported at historical cost including net direct fees and costs associated with originating and acquiring loans and leases, lease residuals, unearned income and unamortized purchase premiums and discounts. The aggregate amount of these loan and lease adjustments was $56.7 million and $54.1 million at March 31, 2017 and December 31, 2016, respectively.

9

The following table summarizes the net sales proceeds for consumer real estate and auto finance loans sold, the interest-only strips received, the recorded investment in loans sold, including accrued interest, and the net gains. Included in consumer real estate loans sold in the three months ended March 31, 2017 were $49.4 million of non-accrual loans, which were sold servicing released. There were no auto finance securitizations for the three months ended March 31, 2017 and 2016. TCF generally retains servicing on these sold loans. No servicing assets or liabilities related to consumer real estate or auto finance loans were recorded within TCF's Consolidated Statements of Financial Condition, as the contractual servicing fees are adequate to compensate TCF for its servicing responsibilities based on the amount demanded by the marketplace.

	Three Months Ended March 31, 2017
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	388,690		$	254,164
Interest-only strips, initial value	1,347			—
Recorded investment in loans sold, including accrued interest	(380,762		)	(250,588		)
Net gains(2)	$	9,275		$	3,576
	Three Months Ended March 31, 2016
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	326,961		$	453,747
Interest-only strips, initial value	5,661			4,841
Recorded investment in loans sold, including accrued interest	(322,501		)	(446,365		)
Net gains(2)	$	10,121		$	12,223
(1) Includes transaction fees and other sales related adjustments. (2) Excludes subsequent adjustments and valuation adjustments while held for sale.

Total interest-only strips and the contractual liabilities related to loan sales were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Interest-only strips attributable to:
Consumer real estate loan sales	$	25,418	$	27,260
Auto finance loan sales	10,365		12,892
Contractual liabilities attributable to:
Consumer real estate loan sales	$	986	$	701
Auto finance loan sales	150		168

TCF recorded $579 thousand of impairment charges on the consumer real estate interest-only strips for the three months ended March 31, 2017, compared with none for the same period in 2016. TCF recorded $24 thousand of impairment charges on the auto finance interest-only strips for the three months ended March 31, 2017, compared with $5 thousand for the same period in 2016.

TCF's agreements to sell auto and consumer real estate loans typically contain certain representations, warranties and covenants regarding the loans sold or securitized. These representations, warranties and covenants generally relate to, among other things, the ownership of the loan, the validity, priority and perfection of the lien securing the loan, accuracy of information supplied to the buyer or investor, the loan's compliance with the criteria set forth in the agreement, the manner in which the loans will be serviced, payment delinquency and compliance with applicable laws and regulations. These agreements generally require the repurchase of loans or indemnification in the event TCF breaches these representations, warranties or covenants and such breaches are not cured. In addition, some agreements contain a requirement to repurchase loans as a result of early payoffs by the borrower, early payment default of the borrower, or the failure to obtain valid title. During the three months ended March 31, 2017 and 2016, losses related to repurchases pursuant to such representations, warranties and covenants were immaterial. The majority of such repurchases were of auto finance loans where TCF typically has contractual agreements with the automobile dealerships that originated the loans requiring the dealers to repurchase such contracts from TCF.

10

Note 5.  Allowance for Loan and Lease Losses and Credit Quality Information

The rollforwards of the allowance for loan and lease losses were as follows:

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	59,448		$	32,695		$	21,350		$	13,932		$	32,310		$	534		$	160,269
Charge-offs	(3,452		)	(2,732		)	(2,046		)	(219		)	(8,813		)	(1,640		)	(18,902		)
Recoveries	10,692			65			614			119			1,233			1,090			13,813
Net (charge-offs) recoveries	7,240			(2,667		)	(1,432		)	(100		)	(7,580		)	(550		)	(5,089		)
Provision for credit losses	(8,137		)	3,669			1,386			1,965			12,857			453			12,193
Other	(4,700		)	—			(47		)	19			(2,479		)	—			(7,207		)
Balance, end of period	$	53,851		$	33,697		$	21,257		$	15,816		$	35,108		$	437		$	160,166
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	67,992		$	30,185		$	19,018		$	11,128		$	26,486		$	1,245		$	156,054
Charge-offs	(6,061		)	(28		)	(1,972		)	(641		)	(6,330		)	(1,635		)	(16,667		)
Recoveries	1,290			219			681			385			883			1,303			4,761
Net (charge-offs) recoveries	(4,771		)	191			(1,291		)	(256		)	(5,447		)	(332		)	(11,906		)
Provision for credit losses	5,025			1,171			1,727			2,263			9,065			(409		)	18,842
Other	(1,518		)	—			—			171			(1,569		)	—			(2,916		)
Balance, end of period	$	66,728		$	31,547		$	19,454		$	13,306		$	28,535		$	504		$	160,074

The allowance for loan and lease losses and loans and leases outstanding by type of allowance methodology were as follows:

	At March 31, 2017
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment Finance		Inventory Finance		Auto Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	33,472	$	32,698	$	18,829	$	14,789	$	34,228	$	436	$	134,452
Individually evaluated for impairment	20,379		999		2,428		1,027		880		1		25,714
Total	$	53,851	$	33,697	$	21,257	$	15,816	$	35,108	$	437	$	160,166
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,497,659	$	3,332,256	$	4,258,234	$	2,859,086	$	2,770,956	$	16,780	$	17,734,971
Individually evaluated for impairment	163,728		43,794		17,761		5,162		9,460		5		239,910
Loans acquired with deteriorated credit quality	—		—		13		—		—		—		13
Total	$	4,661,387	$	3,376,050	$	4,276,008	$	2,864,248	$	2,780,416	$	16,785	$	17,974,894

	At December 31, 2016
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment  Finance		Inventory  Finance		Auto  Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	36,103	$	31,430	$	19,093	$	13,304	$	31,106	$	533	$	131,569
Individually evaluated for impairment	23,345		1,265		2,257		628		1,204		1		28,700
Total	$	59,448	$	32,695	$	21,350	$	13,932	$	32,310	$	534	$	160,269
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,884,653	$	3,242,389	$	4,320,129	$	2,465,041	$	2,638,380	$	18,765	$	17,569,357
Individually evaluated for impairment	199,699		44,089		16,165		5,134		9,360		6		274,453
Loans acquired with deteriorated credit quality	—		—		16		—		1		—		17
Total	$	5,084,352	$	3,286,478	$	4,336,310	$	2,470,175	$	2,647,741	$	18,771	$	17,843,827

11

Accruing and Non-accrual Loans and Leases  TCF's key credit quality indicator is the receivable's payment performance status, defined as accruing or non-accruing. Non-accrual loans and leases are those which management believes have a higher risk of loss. Delinquent balances are determined based on the contractual terms of the loan or lease. TCF's accruing and non-accrual loans and leases were as follows:

	At March 31, 2017
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,083,889	$	3,676	$	2,185	$	2,089,750	$	76,941	$	2,166,691
Junior lien	2,468,517		1,183		—		2,469,700		24,996		2,494,696
Total consumer real estate	4,552,406		4,859		2,185		4,559,450		101,937		4,661,387
Commercial:
Commercial real estate	2,664,062		—		—		2,664,062		10,267		2,674,329
Commercial business	699,291		—		—		699,291		2,430		701,721
Total commercial	3,363,353		—		—		3,363,353		12,697		3,376,050
Leasing and equipment finance	4,258,433		3,939		1,315		4,263,687		12,274		4,275,961
Inventory finance	2,858,986		87		13		2,859,086		5,162		2,864,248
Auto finance	2,770,028		1,942		1,536		2,773,506		6,909		2,780,415
Other	16,775		2		6		16,783		2		16,785
Subtotal	17,819,981		10,829		5,055		17,835,865		138,981		17,974,846
Portfolios acquired with deteriorated credit quality	48		—		—		48		—		48
Total	$	17,820,029	$	10,829	$	5,055	$	17,835,913	$	138,981	$	17,974,894

	At December 31, 2016
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,177,746	$	6,581	$	2,144	$	2,186,471	$	106,125	$	2,292,596
Junior lien	2,744,006		1,404		—		2,745,410		46,346		2,791,756
Total consumer real estate	4,921,752		7,985		2,144		4,931,881		152,471		5,084,352
Commercial:
Commercial real estate	2,628,627		—		—		2,628,627		5,564		2,634,191
Commercial business	651,932		—		—		651,932		355		652,287
Total commercial	3,280,559		—		—		3,280,559		5,919		3,286,478
Leasing and equipment finance	4,320,795		3,478		1,045		4,325,318		10,880		4,336,198
Inventory finance	2,464,986		16		39		2,465,041		5,134		2,470,175
Auto finance	2,634,600		3,785		2,317		2,640,702		7,038		2,647,740
Other	18,748		14		6		18,768		3		18,771
Subtotal	17,641,440		15,278		5,551		17,662,269		181,445		17,843,714
Portfolios acquired with deteriorated credit quality	113		—		—		113		—		113
Total	$	17,641,553	$	15,278	$	5,551	$	17,662,382	$	181,445	$	17,843,827

Interest income recognized on loans and leases in non-accrual status and contractual interest that would have been recorded had the loans and leases performed in accordance with their original contractual terms were as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Contractual interest due on non-accrual loans and leases	$	4,498	$	5,267
Interest income recognized on non-accrual loans and leases	1,056		966
Unrecognized interest income	$	3,442	$	4,301

12

Consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged, dismissed or completed were as follows: 

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	12,492	$	13,675
Non-accrual	15,494		21,372
Total consumer real estate loans to customers in bankruptcy	$	27,986	$	35,047

Loan Modifications for Borrowers with Financial Difficulties  Included within loans and leases in the previous tables are certain loans that have been modified in order to maximize collection of loan balances. If, for economic or legal reasons related to the customer's financial difficulties, TCF grants a concession, the modified loan is classified as a troubled debt restructuring ("TDR") loan. All loans classified as TDR loans are considered to be impaired. TDR loans consist primarily of consumer real estate and commercial loans.

Total TDR loans at March 31, 2017 and December 31, 2016 were $175.6 million and $207.4 million, respectively, of which $117.4 million and $126.0 million, respectively, were accruing. TCF held consumer real estate TDR loans of $138.1 million and $170.6 million at March 31, 2017 and December 31, 2016, respectively, of which $96.3 million and $98.6 million, respectively, were accruing. TCF also held $22.5 million of commercial TDR loans at both March 31, 2017 and December 31, 2016, of which $13.4 million and $20.3 million, respectively, were accruing. TDR loans for the remaining classes of finance receivables were not material at March 31, 2017 or December 31, 2016.

Unfunded commitments to consumer real estate and commercial loans classified as TDRs were $0.5 million and $0.4 million at March 31, 2017 and December 31, 2016, respectively. At March 31, 2017 and December 31, 2016, no additional funds were committed to leasing and equipment finance, inventory finance or auto finance loans classified as TDRs.

Unrecognized interest represents the difference between interest income recognized on accruing TDR loans and the contractual interest that would have been recorded under the original contractual terms. For the three months ended March 31, 2017 and 2016, unrecognized interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $0.5 million and $0.2 million, respectively. The average yield for the three months ended March 31, 2017 on consumer real estate accruing TDR loans was 4.2%, which compares to the original contractual average rate of 6.6%. The average yield for the the three months ended March 31, 2016 on consumer real estate accruing TDR loans was 4.1%, which compares to the original contractual average rate of 6.7%. The unrecognized interest income for the remaining classes of finance receivables was not material for the three months ended March 31, 2017 and 2016.

13

TCF considers a loan to have defaulted when under the modified terms it becomes 90 or more days delinquent, has been transferred to non-accrual status, has been charged down or has been transferred to other real estate owned or repossessed and returned assets. The following table summarizes the TDR loans that defaulted during the three months ended March 31, 2017 and 2016, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. The increase in commercial loans that defaulted during the three months ended March 31, 2017 was primarily due to the transfer of three commercial loans to non-accrual status.

	Three Months Ended March 31,
(In thousands)	2017		2016
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	368	$	—
Junior lien	112		44
Total consumer real estate	480		44
Commercial:
Commercial real estate	6,681		—
Commercial business	3,353		—
Total commercial	10,034		—
Leasing and equipment finance	407		—
Auto finance	302		466
Defaulted TDR loans modified during the applicable period	$	11,223	$	510

(1) The loan balances presented are not materially different than the pre-modification loan balances as TCF's loan modifications generally do not forgive principal amounts.

Consumer real estate TDR loans are evaluated separately in TCF's allowance methodology. Impairment is generally based upon the present value of the expected future cash flows discounted at the loan's initial effective interest rate, unless the loans are collateral dependent, in which case loan impairment is based upon the fair value of the collateral less selling expenses. The allowance on accruing consumer real estate TDR loans was $18.8 million, or 19.5% of the outstanding balance, at March 31, 2017, and $19.3 million, or 19.6% of the outstanding balance, at December 31, 2016. In determining impairment for consumer real estate accruing TDR loans, TCF utilized assumed remaining re-default rates ranging from 10% to 33% in both 2017 and 2016, depending on modification type and actual experience. At March 31, 2017, 0.9% of accruing consumer real estate TDR loans were more than 60 days delinquent, compared with 1.5% at December 31, 2016.

Consumer real estate TDR loans generally remain on accruing status following modification if they are less than 90 days past due and payment in full under the modified terms of the loan is expected based on a current credit evaluation and historical payment performance. Of the non-accrual TDR balance at March 31, 2017, $26.2 million, or 62.7%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed by the borrower, of which 70.0% were current. Of the non-accrual TDR balance at December 31, 2016, $47.4 million, or 65.9%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed, of which 82.2% were current. All eligible loans are re-aged to current delinquency status upon modification.

Commercial TDR loans are individually evaluated for impairment based upon the present value of the expected future cash flows discounted at the loan's initial effective interest rate, unless the loans are collateral dependent, in which case impairment is based upon the fair value of collateral less estimated selling costs; however if payment or satisfaction of the loan is dependent on the operation, rather than the sale of the collateral, the impairment does not include selling costs. The allowance on accruing commercial TDR loans was less than $0.1 million, or less than 0.1% of the outstanding balance, at March 31, 2017, and $1.1 million, or 5.6% of the outstanding balance, at December 31, 2016. No accruing commercial TDR loans were 60 days or more delinquent at March 31, 2017 and December 31, 2016.

14

Impaired Loans  TCF considers impaired loans to include non-accrual commercial loans, non-accrual equipment finance loans and non-accrual inventory finance loans, as well as all TDR loans. Non-accrual impaired loans, including non-accrual TDR loans, are included in non-accrual loans and leases within the previous tables. Accruing TDR loans have been disclosed by delinquency status within the previous tables of accruing and non-accrual loans and leases. In the following tables, the loan balance of impaired loans represents the amount recorded within loans and leases on the Consolidated Statements of Financial Condition, whereas the unpaid contractual balance represents the balances legally owed by the borrowers.

Information on impaired loans was as follows:

	At March 31, 2017						At December 31, 2016
(In thousands)	Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded		Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	100,409	$	87,992	$	15,410	$	122,704	$	104,601	$	16,835
Junior lien	40,710		36,244		4,813		62,481		51,410		5,829
Total consumer real estate	141,119		124,236		20,223		185,185		156,011		22,664
Commercial:
Commercial real estate	3,393		3,394		120		10,083		10,075		1,262
Commercial business	3,099		2,089		879		14		14		3
Total commercial	6,492		5,483		999		10,097		10,089		1,265
Leasing and equipment finance	11,342		11,342		1,169		9,900		9,900		1,044
Inventory finance	4,646		4,655		1,027		4,357		4,365		628
Auto finance	5,151		4,798		795		5,801		5,419		1,126
Other	5		5		1		6		6		1
Total impaired loans with an allowance recorded	168,755		150,519		24,214		215,346		185,790		26,728
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	17,007		12,010		—		18,539		12,674		—
Junior lien	18,564		1,884		—		26,915		1,882		—
Total consumer real estate	35,571		13,894		—		45,454		14,556		—
Commercial:
Commercial real estate	27,690		20,092		—		21,601		15,780		—
Commercial business	504		504		—		354		354		—
Total commercial	28,194		20,596		—		21,955		16,134		—
Inventory finance	506		507		—		767		769		—
Auto finance	4,513		2,771		—		3,919		2,408		—
Other	88		—		—		85		—		—
Total impaired loans without an allowance recorded	68,872		37,768		—		72,180		33,867		—
Total impaired loans	$	237,627	$	188,287	$	24,214	$	287,526	$	219,657	$	26,728

15

The average loan balance of impaired loans and interest income recognized on impaired loans were as follows:

	Three Months Ended March 31,
	2017				2016
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	96,979	$	725	$	123,115	$	835
Junior lien	43,827		446		58,035		630
Total consumer real estate	140,806		1,171		181,150		1,465
Commercial:
Commercial real estate	6,733		16		5,645		33
Commercial business	1,052		48		16		—
Total commercial	7,785		64		5,661		33
Leasing and equipment finance	10,620		3		7,794		13
Inventory finance	4,510		52		1,579		16
Auto finance	5,109		46		7,460		18
Other	6		—		10		—
Total impaired loans with an allowance recorded	168,836		1,336		203,654		1,545
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	12,342		318		3,045		52
Junior lien	1,883		252		510		148
Total consumer real estate	14,225		570		3,555		200
Commercial:
Commercial real estate	17,936		174		23,820		251
Commercial business	429		—		3,881		—
Total commercial	18,365		174		27,701		251
Inventory finance	638		44		220		11
Auto finance	2,590		—		1,602		—
Total impaired loans without an allowance recorded	35,818		788		33,078		462
Total impaired loans	$	204,654	$	2,124	$	236,732	$	2,007

16

Note 6.  Long-term Borrowings

Long-term borrowings were as follows:

		At March 31, 2017								At December 31, 2016
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount			Stated Rate
Federal Home Loan Bank advances	2018	$	100,000					0.99	%	$	375,000		0.72	%	-	0.81	%
	2019	750,000			0.99	%	-	1.04		300,000			0.78		-	0.81
Subtotal		850,000								675,000
Subordinated bank notes	2022	108,706						6.25		108,654						6.25
	2025	148,101						4.60		148,052						4.60
Hedge-related basis adjustment(1)		(1,862		)						(1,349		)
Subtotal		254,945								255,357
Discounted lease rentals	2017	42,108			2.45		-	7.88		57,081			2.45		-	7.88
	2018	44,807			2.55		-	7.95		42,132			2.55		-	7.95
	2019	27,320			2.53		-	6.00		24,671			2.53		-	6.00
	2020	13,383			2.64		-	6.90		11,753			2.64		-	6.90
	2021	5,572			2.88		-	5.00		4,423			2.88		-	4.57
	2022	246			3.95		-	5.17		—						—
Subtotal		133,436								140,060
Other long-term borrowings	2017	2,774						1.36		2,764						1.36
Total long-term borrowings		$	1,241,155							$	1,073,181

(1) Related to subordinated bank notes with a stated maturity of 2025.

At March 31, 2017, TCF Bank had pledged loans secured by consumer and commercial real estate and Federal Home Loan Bank ("FHLB") stock with an aggregate carrying value of $4.4 billion as collateral for FHLB advances. At March 31, 2017, $850.0 million of the FHLB advances outstanding were prepayable at TCF's option.

17

Note 7.  Regulatory Capital Requirements

TCF and TCF Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory, and possible additional discretionary, actions by the federal banking agencies that could have a material adverse effect on TCF. In general, TCF Bank may not declare or pay a dividend to TCF Financial in excess of 100% of its net retained earnings for the current year combined with its net retained earnings for the preceding two calendar years, which was $361.2 million at March 31, 2017, without prior approval of the Office of the Comptroller of the Currency ("OCC"). The OCC also has the authority to prohibit the payment of dividends by a national bank when it determines such payments would constitute an unsafe and unsound banking practice. TCF Bank's ability to make capital distributions in the future may require regulatory approval and may be restricted by its regulatory authorities. TCF Bank's ability to make any such distributions will also depend on its earnings and ability to meet minimum regulatory capital requirements in effect during future periods. In the future, these capital adequacy standards may be higher than existing minimum regulatory capital requirements.

Regulatory capital information for TCF and TCF Bank was as follows:

	TCF						TCF Bank
	At March 31,			At December 31,			At March 31,			At December 31,			Well-capitalized Standard		Minimum Capital Requirement(1)
(Dollars in thousands)	2017			2016			2017			2016
Regulatory Capital:
Common equity Tier 1 capital	$	2,003,988		$	1,970,323		$	2,182,487		$	2,144,966
Tier 1 capital	2,288,736			2,248,221			2,209,038			2,162,128
Total capital	2,667,204			2,635,925			2,630,339			2,583,512
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	10.11		%	10.24		%	11.01		%	11.14		%	6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.55			11.68			11.15			11.23			8.00		6.00
Total risk-based capital ratio	13.46			13.69			13.27			13.42			10.00		8.00
Tier 1 leverage ratio	10.64			10.73			10.27			10.32			5.00		4.00

(1) Excludes capital conservation buffer of 1.25% and 0.625% as of March 31, 2017 and December 31, 2016.

Note 8.  Stock Compensation

TCF's restricted stock award and stock option transactions under the TCF Financial 2015 Omnibus Incentive Plan ("Omnibus Incentive Plan") and the TCF Financial Incentive Stock Program ("Incentive Stock Program") during the three months ended March 31, 2017 were as follows:

	Restricted Stock Awards									Stock Options
	Shares		Grant Date Fair Value Range					Weighted- average Grant Date Fair Value		Shares		Exercise Price Range					Weighted- average Remaining Contractual Life in Years	Weighted- average Exercise Price
Outstanding at December 31, 2016	3,536,175		$	7.73	-	$	16.28	$	12.81	404,000		$	15.75	-	$	15.75	1.06	$	15.75
Granted	134,621		18.47		-	18.58		18.58		—		—		-	—		—	—
Exercised	—		—		-	—		—		(38,000	)	15.75		-	15.75		—	15.75
Forfeited/canceled	(399,042	)	7.73		-	15.74		10.32		—		—		-	—		—	—
Vested	(578,843	)	9.36		-	16.02		14.82		—		—		-	—		—	—
Outstanding at March 31, 2017	2,692,911		7.73		-	18.58		13.04		366,000		15.75		-	15.75		0.81	15.75
Exercisable at March 31, 2017	N.A.							N.A.		366,000		15.75		-	15.75			15.75

N.A. Not Applicable.

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At March 31, 2017, there were 350,000 shares of performance-based restricted stock awards outstanding that will vest only if certain performance goals and service conditions are achieved. Failure to achieve the performance goals and service conditions will result in all or a portion of the shares being forfeited.

Unrecognized stock compensation expense for restricted stock awards was $22.2 million with a weighted-average remaining amortization period of 1.8 years at March 31, 2017.

At March 31, 2017, there were 360,988 performance-based restricted stock units granted under the Omnibus Incentive Plan that will vest only if certain performance goals are achieved. The number of restricted stock units granted was at target and the actual restricted stock units granted will depend on actual performance with a maximum total payout of 150% of target. Failure to achieve the performance goals will result in all or a portion of the restricted stock units being forfeited. None of the performance-based restricted stock units have vested. The remaining weighted-average performance period of the restricted stock units was 2.4 years at March 31, 2017.

Compensation expense for restricted stock awards and restricted stock units was $1.9 million and $2.3 million for the three months ended March 31, 2017 and 2016, respectively.

The valuation assumptions for stock options granted in 2008 under the Incentive Stock Program have not changed significantly from December 31, 2016 andno stock options have subsequently been granted under the Incentive Stock Program. TCF also has the ability to grant stock options under the Omnibus Incentive Plan. As of March 31, 2017, no stock options had been granted under the Omnibus Incentive Plan.

Note 9.  Employee Benefit Plans

The net periodic benefit plan (income) cost included in compensation and employee benefits expense for the TCF Cash Balance Pension Plan (the "Pension Plan") and health care benefits for eligible retired employees (the "Postretirement Plan") for the three months ended March 31, 2017 and 2016 was as follows:

	Pension Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	285		$	320
(Gain) loss on plan assets	(142		)	(146		)
Net periodic benefit plan (income) cost	$	143		$	174

	Postretirement Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	34		$	38
Amortization of prior service cost	(12		)	(12		)
Net periodic benefit plan (income) cost	$	22		$	26

TCF made no cash contributions to the Pension Plan in either of the three months ended March 31, 2017 or 2016. During both the three months ended March 31, 2017 and 2016, TCF contributed $0.1 million to the Postretirement Plan.

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Note 10.  Derivative Instruments

Derivative instruments were as follows:

	At March 31, 2017
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	442	$	(122	)	$	320
Derivatives not designated as hedges:
Forward foreign exchange contracts	45,054		71		—			71
Interest rate contracts	159,766		1,032		—			1,032
Interest rate lock commitments	27,118		464		—			464
Total derivative assets			$	2,009	$	(122	)	$	1,887
Derivative Liabilities:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	64,652	$	661	$	(540	)	$	121
Derivatives not designated as hedges:
Forward foreign exchange contracts	293,752		1,512		(1,054		)	458
Interest rate contracts	159,766		848		(122		)	726
Other contracts	13,804		541		(541		)	—
Interest rate lock commitments	151		—		—			—
Total derivative liabilities			$	3,562	$	(2,257	)	$	1,305
	At December 31, 2016
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	61,760	$	1,082	$	—		$	1,082
Derivatives not designated as hedges:
Forward foreign exchange contracts	250,018		2,995		(1,439		)	1,556
Interest rate contracts	149,499		1,925		(633		)	1,292
Interest rate lock commitments	27,954		318		—			318
Total derivative assets			$	6,320	$	(2,072	)	$	4,248
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	1,320	$	(1,320	)	$	—
Derivatives not designated as hedges:
Forward foreign exchange contracts	115,336		469		(445		)	24
Interest rate contracts	149,499		1,936		(1,332		)	604
Other contracts	13,804		619		(619		)	—
Interest rate lock commitments	2,947		21		—			21
Total derivative liabilities			$	4,365	$	(3,716	)	$	649

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The pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income was as follows:

		Three Months Ended March 31,
(In thousands)	Income Statement Location	2017			2016
Consolidated Statements of Income:
Fair value hedges:
Interest rate contracts	Other non-interest income	$	(501	)	$	7,253
Non-derivative hedged items	Other non-interest income	513			(6,371		)
Not designated as hedges:
Forward foreign exchange contracts	Other non-interest expense	(3,259		)	(26,572		)
Interest rate lock commitments	Gains on sales of consumer real estate loans, net	167			(176		)
Interest rate contracts	Other non-interest income	(9		)	(91		)
Other contracts	Other non-interest expense	—			(85		)
Net gain (loss) recognized		$	(3,089	)	$	(26,042	)
Consolidated Statements of Comprehensive Income:
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(504	)	$	(3,257	)
Net unrealized gain (loss)		$	(504	)	$	(3,257	)

TCF executes all of its forward foreign exchange contracts in the over-the-counter market with large financial institutions pursuant to International Swaps and Derivatives Association, Inc. agreements. These agreements include credit risk-related features that enhance the creditworthiness of these instruments as compared with other obligations of the respective counterparty with whom TCF has transacted by requiring that additional collateral be posted under certain circumstances. The amount of collateral required depends on the contract and is determined daily based on market and currency exchange rate conditions.

At March 31, 2017, credit risk-related contingent features existed on forward foreign exchange contracts with a notional value of $63.8 million. In the event TCF is rated less than BB- by Standard and Poor's, the contracts could be terminated or TCF may be required to provide approximately $1.3 million in additional collateral. There were $0.2 million of forward foreign exchange contracts containing credit risk-related features in a net liability position at March 31, 2017.

At March 31, 2017, TCF had posted $6.0 million, $1.4 million and $1.6 million of cash collateral related to its interest rate contracts, other contracts and forward foreign exchange contracts, respectively.

Note 11.  Fair Value Disclosures

TCF uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The Company's fair values are based on the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Securities available for sale, certain loans held for sale, interest-only strips, forward foreign exchange contracts, interest rate contracts, interest rate lock commitments, forward loan sales commitments, assets and liabilities held in trust for deferred compensation plans and other contracts are recorded at fair value on a recurring basis. From time to time we may be required to record at fair value other assets on a non-recurring basis, such as certain securities held to maturity, loans, other real estate owned, repossessed and returned assets and the securitization receivable. These non-recurring fair value adjustments typically involve application of lower of cost or fair value accounting or write-downs of individual assets.

TCF groups its assets and liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the degree and reliability of estimates and assumptions used to determine fair value as follows: Level 1, which includes valuations that are based on prices obtained from independent pricing sources for the same instruments traded in active markets; Level 2, which includes valuations that are based on prices obtained from independent pricing sources that are based on observable transactions of similar instruments, but not quoted markets; and Level 3, for which valuations are generated from Company model-based techniques that use significant unobservable inputs. Such unobservable inputs reflect estimates of assumptions that market participants would use in pricing the asset or liability.

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The following is a discussion of the valuation methodologies used to record assets and liabilities at fair value on a recurring or non-recurring basis and for estimating fair value of financial instruments not recorded at fair value.

Investments The carrying value of investments in FHLB stock and Federal Reserve Bank stock, categorized as Level 2, approximates fair value based on redemption at par value.

Securities Held to Maturity Securities held to maturity consist primarily of securities of U.S. Government sponsored enterprises and federal agencies. The fair value of securities of U.S. Government sponsored enterprises and federal agencies, categorized as Level 2, is estimated using prices obtained from independent asset pricing services that are based on observable transactions, but not quoted markets. Management reviews the prices obtained from independent asset pricing services for unusual fluctuations and comparisons to current market trading activity. The fair value of other securities, categorized as Level 3, is estimated using probability of loss based on risk rating definitions. There is no observable secondary market for these securities.

Securities Available for Sale Securities available for sale consist primarily of securities of U.S. Government sponsored enterprises and federal agencies, and obligations of states and political subdivisions. The fair value of these securities, categorized as Level 2, is recorded using prices obtained from independent asset pricing services that are based on observable transactions, but not quoted markets. Management reviews the prices obtained from independent asset pricing services for unusual fluctuations and comparisons to current market trading activity.

Loans Held for Sale Loans held for sale are generally carried at the lower of cost or fair value. Estimated fair values are based upon recent loan sale transactions and any available price quotes on loans with similar coupons, maturities and credit quality. Certain other loans held for sale are recorded at fair value under the elected fair value option. TCF relies on internal valuation models which utilize quoted investor prices to estimate the fair value of these loans. Loans held for sale are categorized as Level 3.

Loans The fair value of loans, categorized as Level 3, is estimated based on discounted expected cash flows and recent sales of similar loans. The discounted cash flows include assumptions for prepayment estimates over each loan's remaining life, consideration of the current interest rate environment compared with the weighted-average rate of each portfolio, a credit risk component based on the historical and expected performance of each portfolio and a liquidity adjustment related to the current market environment. TCF also uses pricing data from recent sales of loans with similar risk characteristics as data points to validate the assumptions used in estimating the fair value of certain loans.

Loans for which repayment is expected to be provided solely by the value of the underlying collateral, categorized as Level 3 and recorded at fair value on a non-recurring basis, are valued based on the fair value of that collateral less estimated selling costs. Such loans include non-accrual impaired loans as well as certain delinquent non-accrual consumer real estate and auto finance loans. The fair value of the collateral is determined based on internal estimates and assessments provided by third-party appraisers.

Interest-only Strips The fair value of interest-only strips, categorized as Level 3, represents the present value of future cash flows expected to be received by TCF on certain assets. TCF uses available market data, along with its own empirical data and discounted cash flow models, to arrive at the estimated fair value of its interest-only strips. The present value of the estimated expected future cash flows to be received is determined by using discount, loss and prepayment rates that TCF believes are commensurate with the risks associated with the cash flows and what a market participant would use. These assumptions are inherently subject to volatility and uncertainty and, as a result, the estimated fair value of the interest-only strips may fluctuate significantly from period to period.

Forward Foreign Exchange Contracts TCF's forward foreign exchange contracts are currency contracts executed in over-the-counter markets and are recorded at fair value using a cash flow model that includes key inputs such as foreign exchange rates and an assessment of the risk of counterparty non-performance. The risk of counterparty non-performance is based on external assessments of credit risk. The fair value of these contracts, categorized as Level 2, is based on observable transactions, but not quoted markets.

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Interest Rate Contracts TCF executes interest rate swap agreements with commercial banking customers to facilitate the customer's risk management strategy. These interest rate swaps are simultaneously hedged by offsetting interest rate swaps TCF executes with a third party, minimizing TCF's net interest rate risk exposure resulting from such transactions. TCF also has an interest rate swap agreement to convert its $150.0 million of fixed-rate subordinated notes to floating rate debt. These derivative instruments are recorded at fair value. The fair value of these swap agreements, categorized as Level 2, is determined using a cash flow model which considers the forward curve, the discount curve and credit valuation adjustments related to counterparty and/or borrower non-performance risk.

Interest Rate Lock Commitments and Forward Loan Sales Commitments TCF's interest rate lock commitments are derivative instruments that are carried at fair value. The related forward loan sales commitments to sell the resulting loans held for sale are also recorded at fair value under the elected fair value option. TCF relies on internal valuation models to estimate the fair value of these instruments. The valuation models utilize estimated rates of successful loan closings and quoted investor prices. While these models use both Level 2 and 3 inputs, TCF has determined that the majority of the inputs significant in the valuation of these commitments fall within Level 3 and therefore they are categorized as Level 3.

Other Real Estate Owned and Repossessed and Returned Assets The fair value of other real estate owned, categorized as Level 3, is based on independent appraisals, real estate brokers' price opinions or automated valuation methods, less estimated selling costs. Certain properties require assumptions that are not observable in an active market in the determination of fair value. The fair value of repossessed and returned assets is based on available pricing guides, auction results or price opinions, less estimated selling costs. Assets acquired through foreclosure, repossession or returned to TCF are initially recorded at the lower of the loan or lease carrying amount or fair value less estimated selling costs at the time of transfer to other real estate owned or repossessed and returned assets. Other real estate owned at March 31, 2017 and December 31, 2016 was $32.0 million and $46.8 million, respectively. Repossessed and returned assets at March 31, 2017 and December 31, 2016 was $9.4 million and $10.0 million, respectively. Other real estate owned and repossessed and returned assets were written down $1.7 million and $2.9 million, which was included in foreclosed real estate and repossessed assets, net expense for the three months ended March 31, 2017 and 2016, respectively.

Securitization Receivable TCF executed an auto finance loan securitization during the second quarter of 2016 with a related receivable representing a cash reserve account posted at the inception of the securitization. The fair value of the securitization receivable, categorized as Level 3, is estimated based on discounted cash flows using interest rates for borrowings of similar remaining maturities plus a spread based on management's judgment.

Assets and Liabilities Held in Trust for Deferred Compensation Plans Assets held in trust for deferred compensation plans include investments in publicly traded securities, excluding TCF common stock reported in treasury and other equity, and U.S. Treasury notes. The fair value of these assets, categorized as Level 1, is based upon prices obtained from independent asset pricing services based on active markets. The fair value of the liabilities equals the fair value of the assets.

Other Contracts TCF has a swap agreement related to the sale of TCF's Visa Class B stock, categorized as Level 3. The fair value of the swap agreement is based upon TCF's estimated exposure related to the Visa covered litigation through a probability analysis of the funding and estimated settlement amounts.

Deposits The fair value of checking, savings and money market deposits, categorized as Level 1, is deemed equal to the amount payable on demand. The fair value of certificates of deposit, categorized as Level 2, is estimated based on discounted cash flows using currently offered market rates. The intangible value of long-term relationships with depositors is not taken into account in the fair values disclosed.

Long-term Borrowings The fair value of TCF's long-term borrowings, categorized as Level 2, is estimated based on observable market prices and discounted cash flows using interest rates for borrowings of similar remaining maturities and characteristics. The fair value of other long-term borrowings, categorized as Level 3, is based on unobservable inputs determined at the time of origination.

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Financial Instruments with Off-Balance Sheet Risk The fair value of TCF's commitments to extend credit and standby letters of credit, categorized as Level 2, is estimated using fees currently charged to enter into similar agreements. Substantially all commitments to extend credit and standby letters of credit have floating interest rates and do not expose TCF to interest rate risk; therefore fair value is approximately equal to carrying value.

The balances of assets and liabilities measured at fair value on a recurring and non-recurring basis were as follows:

	Fair Value Measurements at March 31, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	815,943	$	—	$	815,943
Other	—		—		14		14
Obligations of states and political subdivisions	—		659,993		—		659,993
Loans held for sale	—		—		3,362		3,362
Interest-only strips	—		—		35,783		35,783
Forward foreign exchange contracts(1)	—		71		—		71
Interest rate contracts(1)	—		1,474		—		1,474
Interest rate lock commitments(1)	—		—		464		464
Forward loan sales commitments	—		—		14		14
Assets held in trust for deferred compensation plans	24,621		—		—		24,621
Total assets	$	24,621	$	1,477,481	$	39,637	$	1,541,739
Forward foreign exchange contracts(1)	$	—	$	2,173	$	—	$	2,173
Interest rate contracts(1)	—		848		—		848
Forward loan sales commitments	—		—		106		106
Liabilities held in trust for deferred compensation plans	24,621		—		—		24,621
Other contracts(1)	—		—		541		541
Total liabilities	$	24,621	$	3,021	$	647	$	28,289
Non-recurring Fair Value Measurements:
Loans	$	—	$	—	$	91,144	$	91,144
Other real estate owned:
Consumer	—		—		19,536		19,536
Commercial	—		—		3,600		3,600
Repossessed and returned assets	—		3,307		2,877		6,184
Total non-recurring fair value measurements	$	—	$	3,307	$	117,157	$	120,464

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

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	Fair Value Measurements at December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	810,891	$	—	$	810,891
Other	—		—		18		18
Obligations of states and political subdivisions	—		612,526		—		612,526
Loans held for sale	—		—		6,498		6,498
Interest-only strips	—		—		40,152		40,152
Forward foreign exchange contracts(1)	—		4,077		—		4,077
Interest rate contracts(1)	—		1,925		—		1,925
Interest rate lock commitments(1)	—		—		318		318
Forward loan sales commitments	—		—		374		374
Assets held in trust for deferred compensation plans	23,363		—		—		23,363
Total assets	$	23,363	$	1,429,419	$	47,360	$	1,500,142
Forward foreign exchange contracts(1)	$	—	$	469	$	—	$	469
Interest rate contracts(1)	—		3,256		—		3,256
Interest rate lock commitments(1)	—		—		21		21
Forward loan sales commitments	—		—		13		13
Liabilities held in trust for deferred compensation plans	23,363		—		—		23,363
Other contracts(1)	—		—		619		619
Total liabilities	$	23,363	$	3,725	$	653	$	27,741
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	2,400	$	2,400
Loans	—		—		113,954		113,954
Other real estate owned:
Consumer	—		—		25,751		25,751
Commercial	—		—		3,874		3,874
Repossessed and returned assets	—		2,767		2,800		5,567
Total non-recurring fair value measurements	$	—	$	2,767	$	148,779	$	151,546

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

Management assesses the appropriate classification of financial assets and liabilities within the fair value hierarchy by monitoring the level of available observable market information. Changes in markets or economic conditions, as well as changes to Company valuation models may require the transfer of financial instruments from one fair value level to another. Such transfers, if any, are recorded at the fair values as of the beginning of the quarter in which the transfer occurred. TCF had no transfers in the three months ended March 31, 2017 and 2016.

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The changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows:

(In thousands)	Securities Available for Sale			Loans Held for Sale			Interest-only Strips			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended March 31, 2017:
Asset (liability) balance, beginning of period	$	18		$	6,498		$	40,152		$	297		$	361		$	(619	)
Total net gains (losses) included in:
Net income	—			104			1,113			167			(453		)	—
Other comprehensive income (loss)	—			—			(328		)	—			—			—
Sales	—			(46,714		)	—			—			—			—
Originations	—			43,479			1,347			—			—			—
Principal paydowns / settlements	(4		)	(5		)	(6,501		)	—			—			78
Asset (liability) balance, end of period	$	14		$	3,362		$	35,783		$	464		$	(92	)	$	(541	)
At or For the Three Months Ended March 31, 2016:
Asset (liability) balance, beginning of period	$	34		$	10,568		$	44,332		$	716		$	265		$	(305	)
Total net gains (losses) included in:
Net income	—			138			1,465			(176		)	(234		)	(85		)
Sales	—			(79,231		)	—			—			—			—
Originations	—			74,092			10,502			—			—			—
Principal paydowns / settlements	(6		)	—			(7,572		)	—			—			79
Asset (liability) balance, end of period	$	28		$	5,567		$	48,727		$	540		$	31		$	(311	)

Fair Value Option

TCF Bank originates first mortgage lien loans in its primary banking markets and sells the loans through a correspondent relationship. TCF elected the fair value option for these loans. This election facilitates the offsetting of changes in fair values of the loans held for sale and the derivative financial instruments used to economically hedge them. The difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale was as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Fair value carrying amount	$	3,362	$	6,498
Aggregate unpaid principal amount	3,297		6,563
Fair value carrying amount less aggregate unpaid principal	$	65	$	(65	)

Differences between the fair value carrying amount and the aggregate unpaid principal balance include changes in fair value recorded at and subsequent to funding and gains and losses on the related loan commitment prior to funding. No loans recorded under the fair value option were delinquent or on non-accrual status at March 31, 2017 or December 31, 2016. The net gain from initial measurement of the correspondent lending loans held for sale, any subsequent changes in fair value while the loans are outstanding and any actual adjustment to the gains realized upon sales of the loans totaled $1.1 million and $1.9 million for the three months ended March 31, 2017 and 2016, respectively, and is included in gains on sales of consumer real estate loans, net. This amount excludes the impact from the interest rate lock commitments and forward loan sales commitments which are also included in gains on sales of consumer real estate loans, net.

Disclosures About Fair Value of Financial Instruments

Management discloses the estimated fair value of financial instruments, both assets and liabilities on and off the balance sheet, for which it is practicable to estimate fair value. These fair value estimates were made at March 31, 2017 and December 31, 2016, based on relevant market information and information about the financial instruments. Fair value estimates are intended to represent the price at which an asset could be sold or a liability could be settled. However, given there is no active market or observable market transactions for many of the Company's financial instruments, the estimates of fair values are subjective in nature, involve uncertainties and include matters of significant judgment. Changes in assumptions could significantly affect the estimated values.

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The carrying amounts and estimated fair values of the Company's financial instruments, excluding short-term financial assets and liabilities as their carrying amounts approximate fair value and excluding financial instruments recorded at fair value on a recurring basis were as follows. This information represents only a portion of TCF's balance sheet and not the estimated value of the Company as a whole. Non-financial instruments such as the intangible value of TCF's branches and core deposits, leasing operations, goodwill, premises and equipment and the future revenues from TCF's customers are not reflected in this disclosure. Therefore, this information is of limited use in assessing the value of TCF.

	Carrying Amount			Estimated Fair Value at March 31, 2017
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	81,717		$	—	$	81,717		$	—	$	81,717
Securities held to maturity	176,236			—		176,076			2,800		178,876
Loans held for sale	604,714			—		—			633,698		633,698
Loans:
Consumer real estate	4,661,387			—		—			4,740,497		4,740,497
Commercial real estate	2,674,329			—		—			2,628,356		2,628,356
Commercial business	701,721			—		—			676,776		676,776
Equipment finance	1,986,353			—		—			1,957,281		1,957,281
Inventory finance	2,864,248			—		—			2,845,408		2,845,408
Auto finance	2,780,416			—		—			2,782,533		2,782,533
Other	16,785			—		—			15,172		15,172
Allowance for loan losses(1)	(160,166		)	—		—			—		—
Securitization receivable(2)	18,929			—		—			18,929		18,929
Total financial instrument assets	$	16,406,669		$	—	$	257,793		$	16,301,450	$	16,559,243
Financial instrument liabilities:
Deposits	$	17,465,590		$	13,371,039	$	4,114,574		$	—	$	17,485,613
Long-term borrowings	1,241,155			—		1,243,163			2,774		1,245,937
Total financial instrument liabilities	$	18,706,745		$	13,371,039	$	5,357,737		$	2,774	$	18,731,550
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	20,222		$	—	$	20,222		$	—	$	20,222
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	20,193		$	—	$	20,193		$	—	$	20,193

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

27

	Carrying Amount			Estimated Fair Value at December 31, 2016
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	74,714		$	—	$	74,714		$	—	$	74,714
Securities held to maturity	181,314			—		181,146			2,800		183,946
Loans held for sale	268,832			—		—			282,786		282,786
Loans:
Consumer real estate	5,084,352			—		—			5,165,062		5,165,062
Commercial real estate	2,634,191			—		—			2,583,775		2,583,775
Commercial business	652,287			—		—			631,215		631,215
Equipment finance	2,016,732			—		—			1,983,237		1,983,237
Inventory finance	2,470,175			—		—			2,453,184		2,453,184
Auto finance	2,647,741			—		—			2,656,266		2,656,266
Other	18,771			—		—			17,780		17,780
Allowance for loan losses(1)	(160,269		)	—		—			—		—
Securitization receivable(2)	18,835			—		—			18,835		18,835
Total financial instrument assets	$	15,907,675		$	—	$	255,860		$	15,794,940	$	16,050,800
Financial instrument liabilities:
Deposits	$	17,242,522		$	13,150,099	$	4,112,685		$	—	$	17,262,784
Long-term borrowings	1,073,181			—		1,073,875			2,764		1,076,639
Total financial instrument liabilities	$	18,315,703		$	13,150,099	$	5,186,560		$	2,764	$	18,339,423
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	21,681		$	—	$	21,681		$	—	$	21,681
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	21,652		$	—	$	21,652		$	—	$	21,652

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

Note 12.  Earnings Per Common Share

The computations of basic and diluted earnings per common share were as follows:

	Three Months Ended March 31,
(Dollars in thousands, except per-share data)	2017		2016
Basic Earnings Per Common Share:
Net income available to common stockholders	$	41,431	$	43,199
Earnings allocated to participating securities	8		11
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding for basic earnings per common share	167,902,615		166,887,293
Basic earnings per common share	$	0.25	$	0.26
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding used in basic earnings per common share calculation	167,902,615		166,887,293
Net dilutive effect of:
Non-participating restricted stock	436,442		502,270
Stock options	41,626		45,645
Warrants	149,051		—
Weighted-average common shares outstanding for diluted earnings per common share	168,529,734		167,435,208
Diluted earnings per common share	$	0.25	$	0.26

For the three months ended March 31, 2017, there were 0.5 million of outstanding shares related to non-participating restricted stock and for the three months ended March 31, 2016, there were 5.0 million of outstanding shares related to non-participating restricted stock, stock options and warrants that were not included in the computation of diluted earnings per share because they were anti-dilutive.

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Note 13. Other Non-interest Expense

Other non-interest expense was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Professional fees	$	7,193	$	3,602
Severance	6,633		767
Advertising and marketing	6,406		5,887
Loan and lease processing	6,181		5,960
Outside processing	4,481		3,645
Card processing and issuance costs	4,109		3,720
FDIC insurance	3,959		4,113
Other	25,075		25,654
Total other non-interest expense	$	64,037	$	53,348

Note 14. Business Segments

The Company's reportable segments are Consumer Banking, Wholesale Banking and Enterprise Services. Consumer Banking is comprised of all of the Company's consumer-facing businesses and includes retail banking, consumer real estate and auto finance. Wholesale Banking is comprised of commercial real estate and business lending, leasing and equipment finance and inventory finance. Enterprise Services is comprised of (i) corporate treasury, which includes TCF's investment and borrowing portfolios and management of capital, debt and market risks; (ii) corporate functions, such as information technology, risk and credit management, bank operations, finance, investor relations, corporate development, legal and human resources, that provide services to the operating segments; (iii) the Holding Company; and (iv) eliminations.

TCF evaluates performance and allocates resources based on each reportable segment's net income or loss. The reportable business segments follow GAAP as described in Note 1, Basis of Presentation, in Item 8 of TCF's 2016 Annual Report on Form 10-K, except for the accounting for intercompany interest income and interest expense, which are eliminated in consolidation, and presenting net interest income on a fully tax-equivalent basis. TCF generally accounts for inter-segment sales and transfers at cost.

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Certain information for each of TCF's reportable segments, including reconciliations of TCF's consolidated totals, was as follows:

(In thousands)	Consumer Banking		Wholesale Banking		Enterprise Services			Consolidated
At or For the Three Months Ended March 31, 2017:
Net interest income	$	140,317	$	87,642	$	(5,845	)	$	222,114
Provision for credit losses	5,351		6,842		—			12,193
Non-interest income	72,762		30,719		33			103,514
Non-interest expense	169,289		65,562		9,155			244,006
Income tax expense (benefit)	13,510		15,068		(7,735		)	20,843
Income (loss) after income tax expense (benefit)	24,929		30,889		(7,232		)	48,586
Income attributable to non-controlling interest	—		2,308		—			2,308
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	24,929	$	28,581	$	(12,079	)	$	41,431
Total assets	$	8,662,681	$	10,834,463	$	2,339,424		$	21,836,568
Revenues from external customers:
Interest income	$	109,833	$	122,365	$	10,109		$	242,307
Non-interest income	72,762		30,719		33			103,514
Total	$	182,595	$	153,084	$	10,142		$	345,821
At or For the Three Months Ended March 31, 2016:
Net interest income	$	139,343	$	85,669	$	(13,354	)	$	211,658
Provision for credit losses	13,675		5,167		—			18,842
Non-interest income	81,061		30,613		928			112,602
Non-interest expense	160,520		62,105		5,709			228,334
Income tax expense (benefit)	16,831		16,406		(6,434		)	26,803
Income (loss) after income tax expense (benefit)	29,378		32,604		(11,701		)	50,281
Income attributable to non-controlling interest	—		2,235		—			2,235
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	29,378	$	30,369	$	(16,548	)	$	43,199
Total assets	$	8,899,438	$	10,031,265	$	2,390,399		$	21,321,102
Revenues from external customers:
Interest income	$	112,950	$	111,894	$	7,498		$	232,342
Non-interest income	81,061		30,613		928			112,602
Total	$	194,011	$	142,507	$	8,426		$	344,944

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Note 15.  Litigation Contingencies

From time to time TCF is a party to legal proceedings arising out of its lending, leasing and deposit operations, including foreclosure proceedings and other collection actions as part of its lending and leasing collections activities. TCF may also be subject to regulatory examinations and enforcement actions brought by federal regulators, including the Securities and Exchange Commission, the Federal Reserve, the OCC and the Consumer Financial Protection Bureau ("CFPB") and TCF's regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance. From time to time borrowers and other customers, and employees and former employees have also brought actions against TCF, in some cases claiming substantial damages. TCF and other financial services companies are subject to the risk of class action litigation. Litigation is often unpredictable and the actual results of litigation cannot be determined and therefore the ultimate resolution of a matter and the possible range of loss associated with certain potential outcomes cannot be established. Except as discussed below, based on our current understanding of TCF's pending legal proceedings, management does not believe that judgments or settlements arising from pending or threatened legal matters, individually or in the aggregate, would have a material adverse effect on the consolidated financial position, operating results or cash flows of TCF.

On January 19, 2017, the CFPB filed a civil lawsuit against TCF Bank in the United States District Court for the District of Minnesota, captioned Consumer Financial Protection Bureau v. TCF National Bank, alleging violations of the Consumer Financial Protection Act and Regulation E, §1005.17 in connection with TCF Bank's practices administering checking account overdraft program "opt-in" requirements from 2010 to early 2014. In its complaint, the CFPB seeks, among other relief, redress for consumers, injunctive relief and unspecified penalties. TCF Bank rejects the claims made by the CFPB in its complaint and intends to vigorously defend against the CFPB’s allegations. TCF has not accrued any amounts with respect to this matter because (i)TCF does not believe a loss is probable, (ii) believes the Company has meritorious defenses to the claims made and (iii) the damages sought are unspecified and uncertain. Therefore, TCF is currently unable to reasonably estimate a range of potential loss, if any, relating to this matter. There is no assurance that the ultimate resolution of this lawsuit will not have a material adverse effect on the consolidated financial position, operating results or cash flows of TCF.

Note 16.  Accumulated Other Comprehensive Income (Loss)

The components of other comprehensive income (loss) and the related tax effects were as follows:

	Three Months Ended March 31,
	2017									2016
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Net unrealized gains (losses) on securities available for sale and interest-only strips:
Unrealized gains (losses) arising during the period	$	4,162		$	(1,582	)	$	2,580		$	19,135		$	(7,268	)	$	11,867
Reclassification of net (gains) losses to net income	305			(116		)	189			274			(104		)	170
Net unrealized gains (losses)	4,467			(1,698		)	2,769			19,409			(7,372		)	12,037
Net unrealized gains (losses) on net investment hedges	(504		)	191			(313		)	(3,257		)	1,237			(2,020		)
Foreign currency translation adjustment(1)	581			—			581			3,409			—			3,409
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(12		)	5			(7		)	(12		)	5			(7		)
Total other comprehensive income (loss)	$	4,532		$	(1,502	)	$	3,030		$	19,549		$	(6,130	)	$	13,419

(1)  Foreign investments are deemed to be permanent in nature and therefore TCF does not provide for taxes on foreign currency translation adjustments.

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Reclassifications of net (gains) losses to net income for securities available for sale and interest-only strips were recorded in the Consolidated Statements of Income in gains (losses) on securities, net for sales of securities, in interest income for those securities that were previously transferred to held to maturity and in other non-interest expense for interest-only strips. During 2014, TCF transferred $191.7 million of available for sale mortgage-backed securities to held to maturity. At March 31, 2017 and 2016, the unrealized holding loss on the transferred securities retained in accumulated other comprehensive income (loss) totaled $13.0 million and $14.5 million, respectively. These amounts are amortized over the remaining lives of the transferred securities. The tax effect of these reclassifications was recorded in income tax expense in the Consolidated Statements of Income. See Note 9, Employee Benefit Plans, for additional information regarding TCF's recognized postretirement prior service cost.

The components of accumulated other comprehensive income (loss) were as follows:

(In thousands)	Securities Available for Sale and Interest-only Strips			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	(28,601	)	$	6,493		$	(11,764	)	$	147		$	(33,725	)
Other comprehensive income (loss)	2,580			(313		)	581			—			2,848
Amounts reclassified from accumulated other comprehensive income (loss)	189			—			—			(7		)	182
Net other comprehensive income (loss)	2,769			(313		)	581			(7		)	3,030
Balance, end of period	$	(25,832	)	$	6,180		$	(11,183	)	$	140		$	(30,695	)
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	(9,707	)	$	7,249		$	(13,064	)	$	176		$	(15,346	)
Other comprehensive income (loss)	11,867			(2,020		)	3,409			—			13,256
Amounts reclassified from accumulated other comprehensive income (loss)	170			—			—			(7		)	163
Net other comprehensive income (loss)	12,037			(2,020		)	3,409			(7		)	13,419
Balance, end of period	$	2,330		$	5,229		$	(9,655	)	$	169		$	(1,927	)

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TCF FINANCIAL CORPORATION AND SUBSIDIARIES

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

Overview

TCF Financial Corporation (together with its direct and indirect subsidiaries, "we," "us," "our," "TCF" or the "Company"), a Delaware corporation, is a national bank holding company based in Wayzata, Minnesota. References herein to "TCF Financial" or the "Holding Company" refer to TCF Financial Corporation on an unconsolidated basis. Its principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in Sioux Falls, South Dakota. At March 31, 2017, TCF had 331 bank branches in Illinois, Minnesota, Michigan, Colorado, Wisconsin, Arizona and South Dakota (TCF's primary banking markets).

TCF's common stock trades on the New York Stock Exchange under the symbol "TCB". Effective May 8, 2017, TCF's common stock will be traded on the New York Stock Exchange under the symbol "TCF".

TCF provides convenient financial services through multiple channels in its primary banking markets. TCF has developed products and services designed to meet the specific needs of the largest consumer segments in the market. The Company focuses on attracting and retaining customers through service and convenience, including select locations open seven days a week with extended hours and on most holidays, full-service supermarket branches, access to automated teller machine ("ATM") networks and digital banking channels. TCF's philosophy is to generate interest income, fees and other revenue growth through business lines that emphasize higher yielding assets and low interest cost deposits. TCF's growth strategies include organic growth in existing businesses, development of new products and services, new customer acquisition and acquisitions of portfolios or businesses. New products and services are designed to build on existing businesses and expand into complementary products and services through strategic initiatives. Funded generally through retail deposit generation, TCF continues to focus on profitable asset growth.

Net interest income, the difference between interest income earned on loans and leases, securities, investments and other interest-earning assets (interest income) and interest paid on deposits and borrowings (interest expense), represented 68.2% of TCF's total revenue for the first quarter of 2017, compared with 65.3% for the same period in 2016. Net interest income can change significantly from period to period based on interest rates, customer prepayment patterns, the volume and mix of interest-earning assets and the volume and mix of interest-bearing and non-interest bearing deposits and interest-bearing borrowings. TCF manages the risk of changes in interest rates on its net interest income through a management Asset & Liability Committee and through related interest rate risk monitoring and management policies. See "Part I, Item 3. Quantitative and Qualitative Disclosures about Market Risk" for further discussion.

Non-interest income is a significant source of revenue for TCF and an important component of TCF's results of operations. Providing a wide range of retail banking services is an integral component of TCF's business philosophy. Primary drivers of bank fees and service charges include the number of customers we attract, the customers' level of engagement and the frequency with which the customer uses our solutions. As an effort to diversify TCF's non-interest income sources and manage credit concentration risk, TCF sells or securitizes loans, primarily in consumer real estate and auto finance, which result in gains on sales as well as increased servicing fee income through the growth of the portfolio of loans sold with servicing retained by TCF. Primary drivers of gains on sales include TCF's ability to originate loans held for sale, identify loan buyers and execute loan sales. TCF began implementing changes to its auto finance business strategy in 2017 transitioning from a reliance on gains on sales of loans to an originate-to-hold model. Over time, this shift may decrease liquidity, capital and operational risk and increase credit risk and will impact net interest income, the provision for credit losses, gains on sales of auto loans and servicing fee income, as auto finance loans with a higher risk-adjusted margin are retained on the balance sheet. In addition, growth in the leasing and equipment finance lending business results in increased non-interest income from operating and sales-type leases.

The following portions of this Management's Discussion and Analysis of Financial Condition and Results of Operations ("Management's Discussion and Analysis") focus in more detail on the results of operations for the first quarter of 2017 and 2016, and on information about TCF's balance sheet, loan and lease portfolio, liquidity, funding resources, capital and other matters.

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Results of Operations

Performance Summary TCF reported diluted earnings per common share of 25 cents for the first quarter of 2017, compared with 26 cents for the same period in 2016. TCF reported net income of $46.3 million for the first quarter of 2017, a decrease of $1.8 million, or 3.7%, compared with $48.0 million for the same period in 2016.

Return on average assets on a fully tax-equivalent basis was 0.90% for the first quarter of 2017, compared with 0.96% for the same period in 2016. Total average assets were $21.7 billion for the first quarter of 2017, an increase of $0.8 billion, or 3.6%, from the first quarter of 2016. Return on average common equity was 7.64% for the first quarter of 2017, compared with 8.45% for the same period in 2016. Total average common equity was $2.2 billion for the first quarter of 2017, an increase of $0.1 billion, or 6.1%, from the first quarter of 2016.

Consolidated Income Statement Analysis

Net Interest Income  Net interest income represented 68.2% of TCF's total revenue for the first quarter of 2017, compared with 65.3% for the same period in 2016. Net interest income was $222.1 million for the first quarter of 2017, an increase of $10.5 million, or 4.9%, compared with $211.7 million for the same period in 2016. Average loans and leases increased $0.3 billion, or 1.6%, from the first quarter of 2016. Average securities available for sale increased $0.5 billion, or 51.7% from the first quarter of 2016. The average yield on interest-earning assets on a fully tax-equivalent basis was 4.86% for the first quarter of 2017, compared with 4.80% for the same period in 2016. The increase in net interest income was primarily due to higher average balances of inventory finance loans, leasing and equipment finance loans and leases, securities available for sale, loans and leases held for sale and commercial loans, as well as higher average yields on variable- and adjustable-rate consumer, commercial and inventory finance loans driven by increases in the interest rate environment. These increases were partially offset by lower average consumer real estate loan balances.

Net interest income on a fully tax-equivalent basis divided by average interest-earning assets is referred to as the net interest margin, expressed as a percentage. Net interest income and net interest margin are affected by (i) changes in prevailing short- and long-term interest rates, (ii) loan and deposit pricing strategies and competitive conditions, (iii) the volume and mix of interest-earning assets, non-interest bearing deposits and interest-bearing liabilities, (iv) the level of non-accrual loans and leases and other real estate owned and (v) the impact of modified loans and leases.

Net interest margin was 4.46% for the first quarter of 2017, an increase of 9 basis points, compared with 4.37% for the same period in 2016. The increase was primarily due to higher average balances of interest-earning assets and higher average yields on the variable- and adjustable-rate loans.

34

TCF's average balances, interest, and yields and rates on major categories of TCF's interest-earning assets and interest-bearing liabilities on a fully tax-equivalent basis were as follows:

	Three Months Ended March 31,
	2017						2016
(Dollars in thousands)	Average Balance		Interest(1)		Yields and Rates(1)(2)		Average Balance		Interest(1)		Yields and Rates(1)(2)
Assets:
Investments and other	$	286,519	$	2,747	3.88	%	$	349,079	$	2,216	2.55	%
Securities held to maturity	177,939		1,280		2.88		199,303		1,319		2.65
Securities available for sale:(3)
Taxable	815,867		4,654		2.28		640,796		3,818		2.38
Tax-exempt(4)	640,826		5,117		3.19		319,427		2,584		3.24
Loans and leases held for sale	464,301		10,752		9.39		367,686		8,504		9.30
Loans and leases:(5)
Consumer real estate:
Fixed-rate	2,083,472		29,287		5.70		2,430,773		35,202		5.82
Variable- and adjustable-rate	2,945,529		40,239		5.54		3,028,001		40,056		5.32
Total consumer real estate	5,029,001		69,526		5.60		5,458,774		75,258		5.54
Commercial:
Fixed-rate	1,000,316		11,713		4.75		1,012,870		12,429		4.94
Variable- and adjustable-rate	2,302,575		24,391		4.30		2,145,231		21,337		4.00
Total commercial	3,302,891		36,104		4.43		3,158,101		33,766		4.30
Leasing and equipment finance	4,285,944		47,976		4.48		3,992,678		44,654		4.47
Inventory finance	2,696,787		39,451		5.93		2,433,534		34,370		5.68
Auto finance	2,714,862		27,771		4.15		2,703,880		27,837		4.14
Other	9,740		131		5.44		10,018		142		5.63
Total loans and leases	18,039,225		220,959		4.95		17,756,985		216,027		4.89
Total interest-earning assets	20,424,677		245,509		4.86		19,633,276		234,468		4.80
Other assets(6)	1,263,678						1,297,479
Total assets	$	21,688,355					$	20,930,755
Liabilities and Equity:
Non-interest bearing deposits:
Retail	$	1,880,298					$	1,751,710
Small business	894,845						853,645
Commercial and custodial	626,081						560,983
Total non-interest bearing deposits	3,401,224						3,166,338
Interest-bearing deposits:
Checking	2,530,281		83		0.01		2,440,563		81		0.01
Savings	4,756,486		501		0.04		4,700,164		346		0.03
Money market	2,385,353		2,938		0.50		2,472,751		3,807		0.62
Certificates of deposit	4,033,143		10,193		1.02		4,104,951		10,757		1.05
Total interest-bearing deposits	13,705,263		13,715		0.41		13,718,429		14,991		0.44
Total deposits	17,106,487		13,715		0.33		16,884,767		14,991		0.36
Borrowings:
Short-term borrowings	4,628		7		0.65		5,562		7		0.53
Long-term borrowings	1,459,053		6,471		1.78		1,062,513		5,686		2.14
Total borrowings	1,463,681		6,478		1.78		1,068,075		5,693		2.13
Total interest-bearing liabilities	15,168,944		20,193		0.54		14,786,504		20,684		0.56
Total deposits and borrowings	18,570,168		20,193		0.44		17,952,842		20,684		0.46
Other liabilities	665,301						650,908
Total liabilities	19,235,469						18,603,750
Total TCF Financial Corp. stockholders' equity	2,431,755						2,307,781
Non-controlling interest in subsidiaries	21,131						19,224
Total equity	2,452,886						2,327,005
Total liabilities and equity	$	21,688,355					$	20,930,755
Net interest income and margin			$	225,316	4.46				$	213,784	4.37

(1) Interest and yields are presented on a fully tax-equivalent basis.

(2) Annualized.

(3) Average balances and yields of securities available for sale are based upon historical amortized cost and exclude equity securities.

(4) The yield on tax-exempt securities available for sale is computed on a tax-equivalent basis using a statutory federal income tax rate of 35% for all periods presented.

(5) Average balances of loans and leases include non-accrual loans and leases and are presented net of unearned income.

(6) Includes leased equipment and related initial direct costs under operating leases of $180.3 million and $133.6 million for the first quarters of 2017 and 2016, respectively.

35

Provision for Credit Losses  The provision for credit losses is calculated as part of the determination of the allowance for loan and lease losses, which is a critical accounting estimate. TCF's evaluation of incurred losses is based upon historical loss rates multiplied by the respective portfolio's loss emergence period. Factors utilized in the determination and allocation of the allowance for loan and lease losses and the related provision for credit losses include historical trends in loss rates, a portfolio's overall risk characteristics, changes in its character or size, risk rating migration, delinquencies, collateral values, economic outlook and prevailing economic conditions.

The composition of TCF's provision for credit losses for the first quarter of 2017 and 2016 was as follows:

	Three Months Ended March 31,										Change
(Dollars in thousands)	2017					2016					$			%
Consumer real estate	$	(8,137	)	(66.7	)%	$	5,025		26.7	%	$	(13,162	)	N.M.
Commercial	3,669			30.1		1,171			6.2		2,498			N.M.
Leasing and equipment finance	1,386			11.4		1,727			9.2		(341		)	(19.7	)%
Inventory finance	1,965			16.1		2,263			12.0		(298		)	(13.2	)
Auto finance	12,857			105.4		9,065			48.1		3,792			41.8
Other	453			3.7		(409		)	(2.2	)	862			N.M.
Total	$	12,193		100.0	%	$	18,842		100.0	%	$	(6,649	)	(35.3	)

N.M. Not Meaningful.

TCF's provision for credit losses was $12.2 million for the first quarter of 2017, compared with $18.8 million for the same period in 2016. The provision for credit losses decreased $6.6 million, or 35.3%, from the first quarter of 2016 primarily due to the recovery of $8.7 million on previous charge-offs related to the consumer real estate non-accrual loans that were sold.

Net loan and lease charge-offs for the first quarter of 2017 were $5.1 million, or 0.11% (annualized) of average loans and leases, compared with $11.9 million, or 0.27% (annualized), for the same period in 2016. The decrease of $6.8 million was primarily due to the recovery of $8.7 million on previous charge-offs related to the consumer real estate non-accrual loans that were sold, partially offset by increased net charge-offs in the commercial and auto finance portfolios.

For additional information, see "Consolidated Financial Condition Analysis — Credit Quality" in this Management's Discussion and Analysis and Note 5, Allowance for Loan and Lease Losses and Credit Quality Information of Notes to Consolidated Financial Statements.

36

Non-interest Income  Non-interest income is a significant source of revenue for TCF, representing 31.8% of total revenue for the first quarter of 2017, compared with 34.7% for the same period in 2016, and is an important factor in TCF's results of operations. Non-interest income was $103.5 million for the first quarter of 2017, compared with $112.6 million for the same period in 2016. Non-interest income decreased $9.1 million, or 8.1%, from the first quarter of 2016 primarily due to a decrease in gains on sales of auto loans, net.

The components of non-interest income were as follows:

	Three Months Ended March 31,						Change
(Dollars in thousands)	2017			2016			$			%
Fees and service charges	$	31,282		$	32,817		$	(1,535	)	(4.7	)%
Card revenue	13,150			13,363			(213		)	(1.6	)
ATM revenue	4,675			5,021			(346		)	(6.9	)
Subtotal	49,107			51,201			(2,094		)	(4.1	)
Gains on sales of auto loans, net	2,864			11,920			(9,056		)	(76.0	)
Gains on sales of consumer real estate loans, net	8,891			9,384			(493		)	(5.3	)
Servicing fee income	11,651			8,883			2,768			31.2
Subtotal	23,406			30,187			(6,781		)	(22.5	)
Leasing and equipment finance	28,298			28,487			(189		)	(0.7	)
Other	2,703			2,843			(140		)	(4.9	)
Fees and other revenue	103,514			112,718			(9,204		)	(8.2	)
Gains (losses) on securities, net	—			(116		)	116			(100.0	)
Total non-interest income	$	103,514		$	112,602		$	(9,088	)	(8.1	)
Total non-interest income as a percentage of total revenue	31.8		%	34.7		%

Fees and Service Charges  Fees and service charges totaled $31.3 million for the first quarter of 2017, compared with $32.8 million for the same period in 2016. The decrease of $1.5 million, or 4.7%, was primarily due to lower overdraft fees due to ongoing consumer behavior changes as well as higher average checking account balances per customer.

Gains on Sales of Auto Loans, Net  Net gains on sales of auto loans totaled $2.9 million for the first quarter of 2017, compared with $11.9 million for the same period in 2016. The decrease of $9.1 million, or 76.0%, was primarily due to decreased volume of loans sold as a result of a shift in strategy in the auto finance business as well as a change in the mix of loans sold. Beginning in the first quarter of 2017 and going forward, TCF intends to sell fewer auto finance loans and transition to more of an originate-to-hold business model. TCF sold $250.6 million of auto loans during the first quarter of 2017, compared with $444.3 million for the same period in 2016.

Servicing Fee Income  Servicing fee income totaled $11.7 million for the first quarter of 2017, compared with $8.9 million for the same period in 2016. The increase of $2.8 million, or 31.2%, was primarily due to the cumulative effect of the increases in the portfolios of auto and consumer real estate loans sold with servicing retained by TCF. Average loans and leases serviced for others were $5.6 billion for the first quarter of 2017, compared with $4.4 billion for the same period in 2016.

37

Non-interest Expense  Non-interest expense totaled $244.0 million for the first quarter of 2017, compared with $228.3 million for the same period in 2016. Non-interest expense increased $15.7 million, or 6.9%, from the first quarter of 2016.

The components of non-interest expense were as follows:

	Three Months Ended March 31,				Change
(Dollars in thousands)	2017		2016		$		%
Compensation and employee benefits	$	124,477	$	124,473	$	4	—	%
Occupancy and equipment	39,600		37,008		2,592		7.0
Other	64,037		53,348		10,689		20.0
Subtotal	228,114		214,829		13,285		6.2
Operating lease depreciation	11,242		9,573		1,669		17.4
Foreclosed real estate and repossessed assets, net	4,549		3,920		629		16.0
Other credit costs, net	101		12		89		N.M.
Total non-interest expense	$	244,006	$	228,334	$	15,672	6.9

N.M. Not Meaningful.

Other Non-interest Expense Other non-interest expense totaled $64.0 million for the first quarter of 2017, compared with $53.3 million for the same period in 2016. The increase of $10.7 million, or 20.0%, was primarily due to higher severance expense in the auto finance business and higher professional fees related to strategic investments in technology capabilities. See Note 13, Other Non-interest Expense of Notes to Consolidated Financial Statements for additional information.

Foreclosed Real Estate and Repossessed Assets, Net Foreclosed real estate and repossessed assets expense, net totaled $4.5 million for the first quarter of 2017, compared with $3.9 million for the same period in 2016. The increase of $0.6 million, or 16.0%, was primarily due to lower gains on sales of other real estate owned and higher repossessed assets expense, partially offset by lower valuation adjustments and lower operating costs.

Income Taxes  Income tax expense was 30.0% of income before income tax expense for the first quarter of 2017, compared with 34.8% for the same period in 2016. The lower effective income tax rate for the first quarter of 2017 was primarily due to $2.0 million of tax benefits related to stock compensation recorded in income tax expense that were previously recorded in additional paid-in capital subject to new accounting guidance adopted January 1, 2017. See Note 1, Basis of Presentation of Notes to Consolidated Financial Statements for additional information. The lower effective income tax rate was also due to increased investments in tax-exempt securities available for sale.

38

Reportable Segment Results

The Company's reportable segments are Consumer Banking, Wholesale Banking and Enterprise Services. See Note 14, Business Segments of Notes to Consolidated Financial Statements for information regarding net income (loss), assets and revenues for each of TCF's reportable segments.

Consumer Banking

Consumer Banking is comprised of all of the Company's consumer-facing businesses and includes retail banking, consumer real estate and auto finance. TCF's consumer banking strategy is primarily to generate deposits to use for funding high credit quality secured loans and leases. Loans are originated for investment and for sale. Deposits are generated from consumers and small businesses to provide a source of low cost funds, with a focus on building and maintaining quality customer relationships. The Consumer Banking reportable segment generates a significant portion of the Company's net interest income and non-interest income from fees and service charges, card revenue, ATM revenue, gains on sales of loans and servicing fee income and incurs a significant portion of the Company's non-interest expense.

Consumer Banking generated net income available to common stockholders of $24.9 million for the first quarter of 2017, a decrease of $4.4 million, or 15.1%, compared with $29.4 million for the same period in 2016.

Consumer Banking net interest income totaled $140.3 million for the first quarter of 2017, compared with $139.3 million for the same period in 2016. Net interest income increased $1.0 million, or 0.7%, primarily due to higher average balances of loans held for sale and higher average yields on variable- and adjustable-rate consumer loans driven by increases in the interest rate environment, partially offset by lower average consumer real estate loan balances and higher interest expense related to funds transfer pricing.

Consumer Banking provision for credit losses totaled $5.4 million for the first quarter of 2017, compared with $13.7 million for the same period in 2016. The provision for credit losses decreased $8.3 million, or 60.9%, primarily due to the recovery of $8.7 million on previous charge-offs related to the consumer real estate non-accrual loans that were sold.

Consumer Banking non-interest income totaled $72.8 million for the first quarter of 2017, compared with $81.1 million for the same period in 2016. Non-interest income decreased $8.3 million, or 10.2%, primarily due to decreases in net gains on sales of auto loans primarily due to decreased volume of loans sold as a result of a shift in strategy in the auto finance business as well as a change in the mix of loans sold and fees and service charges, partially offset by an increase in servicing fee income due to the cumulative effect of the increase in the portfolio of loans sold with servicing retained by TCF. Net gains on sales of auto loans totaled $2.9 million for the first quarter of 2017, compared with $11.9 million for the same period in 2016. Fees and service charges attributable to the Consumer Banking segment totaled $29.5 millionfor the first quarter of 2017, compared with $31.3 millionfor the same period in 2016. The decrease was primarily attributable to lower overdraft fees due to ongoing consumer behavior changes as well as higher average checking account balances per customer. Net gains on sales of consumer real estate loans totaled $8.9 millionfor the first quarter of 2017, compared with $9.3 million for the same period in 2016. Servicing fee income attributable to the Consumer Banking segment totaled $11.3 millionon $5.3 billion of average consumer real estate and auto finance loans serviced for others for the first quarter of 2017, compared with $8.4 millionon $4.1 billion of loans serviced for others for the same period in 2016.

Consumer Banking non-interest expense totaled $169.3 million for the first quarter of 2017, compared with $160.5 million for the same period in 2016. Non-interest expense increased $8.8 million, or 5.5%, primarily due to higher severance expense in our auto finance business, higher allocation expense from Enterprise Services and higher occupancy and equipment expense, partially offset by a decrease in compensation and benefits expense.

39

Wholesale Banking

Wholesale Banking is comprised of commercial real estate and business lending, leasing and equipment finance and inventory finance. TCF's wholesale banking strategy is primarily to originate high credit quality secured loans and leases for investment.

Wholesale Banking generated net income available to common stockholders of $28.6 million for the first quarter of 2017, a decrease of $1.8 million, or 5.9%, compared with $30.4 million for the same period in 2016.

Wholesale Banking net interest income totaled $87.6 million for the first quarter of 2017, compared with $85.7 million for the same period in 2016. Net interest income increased $2.0 million, or 2.3%, primarily due to higher average balances of inventory finance loans, leasing and equipment finance loans and leases and commercial loans, as well as higher average yields on variable- and adjustable-rate commercial and inventory finance loans driven by increases in the interest rate environment, partially offset by higher interest expense related to funds transfer pricing.

Wholesale Banking provision for credit losses totaled $6.8 million for the first quarter of 2017, compared with $5.2 million for the same period in 2016. The provision for credit losses increased $1.7 million, or 32.4%, primarily due to increased net charge-offs in the commercial portfolio.

Wholesale Banking non-interest expense totaled $65.6 million for the first quarter of 2017, compared with $62.1 million for the same period in 2016. Non-interest expense increased $3.5 million, or 5.6%, primarily due to increases in occupancy and equipment expense and operating lease depreciation.

Enterprise Services

Enterprise Services is comprised of (i) corporate treasury, which includes the Company's investment and borrowing portfolios and management of capital, debt and market risks, (ii) corporate functions, such as information technology, risk and credit management, bank operations, finance, investor relations, corporate development, legal and human resources, that provide services to the operating segments, (iii) the Holding Company and (iv) eliminations. The Company's investment portfolio accounts for the earning assets within this segment. Borrowings may be used to offset reductions in deposits or to support lending activities. This segment also includes residual revenues and expenses representing the difference between actual amounts incurred by Enterprise Services and amounts allocated to the operating segments, including interest rate risk residuals such as funds transfer pricing mismatches.

Enterprise Services generated a net loss available to common stockholders of $12.1 million for the first quarter of 2017, a decrease of $4.5 million, or 27.0%, compared with a net loss of $16.5 million for the same period in 2016.

Enterprise Services net interest expense totaled $5.8 million for the first quarter of 2017, compared with $13.4 million for the same period in 2016. Net interest expense decreased $7.5 million, or 56.2%, primarily driven by a decrease in funds transfer pricing mismatches attributable to rising interest rates and an increase in interest income attributable to higher average balances of securities available for sale, partially offset by an increase in funding costs.

Enterprise Services non-interest expense totaled $9.2 million for the first quarter of 2017, compared with $5.7 million for the same period in 2016. Non-interest expense increased $3.4 million, or 60.4%, primarily due to higher professional fees related to strategic investments in technology capabilities and higher compensation and employee benefits expense, partially offset by a decrease in occupancy and equipment expense.

40

Consolidated Financial Condition Analysis

Securities Available for Sale and Securities Held to Maturity Total securities available for sale were $1.5 billion at March 31, 2017, an increase of $52.5 million, or 3.7%, from $1.4 billion at December 31, 2016. TCF's securities available for sale portfolio consists primarily of fixed-rate mortgage-backed securities issued by the Federal National Mortgage Association ("Fannie Mae") and obligations of states and political subdivisions. TCF may, from time to time, sell securities available for sale and utilize the proceeds to reduce borrowings, fund growth in loans and leases or for other corporate purposes.

Total securities held to maturity were $176.2 million at March 31, 2017, a decrease of $5.1 million, or 2.8%, from $181.3 million at December 31, 2016. TCF's securities held to maturity portfolio consists primarily of fixed-rate mortgage-backed securities issued by Fannie Mae.

The amortized cost, fair value and fully tax-equivalent yield of securities available for sale and securities held to maturity by final contractual maturity at March 31, 2017 and December 31, 2016 were as follows. The remaining contractual principal maturities do not consider possible prepayments. Remaining expected maturities will differ from contractual maturities because borrowers may have the right to prepay.

	At March 31, 2017						At December 31, 2016
(Dollars in thousands)	Amortized Cost		Fair Value		Tax-equivalent Yield		Amortized Cost		Fair Value		Tax-equivalent Yield
Securities available for sale:
Mortgage-backed securities:
Due in one year or less	$	—	$	—	—	%	$	1	$	1	8.02	%
Due in 1-5 years	14		14		2.21		18		18		2.28
Due in 5-10 years	50,622		50,514		1.93		54,202		54,429		1.93
Due after 10 years	782,436		765,429		2.25		773,519		756,461		2.25
Obligations of states and political subdivisions:
Due in 1-5 years	2,390		2,426		3.02		—		—		—
Due in 5-10 years	303,242		303,530		3.16		277,228		274,576		3.13
Due after 10 years	365,777		354,037		3.24		351,744		337,950		3.20
Total securities available for sale	$	1,504,481	$	1,475,950	2.66		$	1,456,712	$	1,423,435	2.63
Securities held to maturity:
Mortgage-backed securities:
Due after 10 years	$	173,436	$	176,076	2.56	%	$	178,514	$	181,146	2.54	%
Other securities:
Due in 1-5 years	1,400		1,400		2.86		1,400		1,400		2.86
Due in 5-10 years	1,400		1,400		3.36		1,400		1,400		3.36
Total securities held to maturity	$	176,236	$	178,876	2.57		$	181,314	$	183,946	2.55

41

Loans and Leases  Information about loans and leases held in TCF's portfolio was as follows:

	At March 31, 2017				At December 31, 2016				Change
(Dollars in thousands)	Amount		% of Total		Amount		% of Total		$			%
Consumer real estate:
First mortgage lien	$	2,166,691	12.0	%	$	2,292,596	12.9	%	$	(125,905	)	(5.5	)%
Junior lien	2,494,696		13.9		2,791,756		15.6		(297,060		)	(10.6	)
Total consumer real estate	4,661,387		25.9		5,084,352		28.5		(422,965		)	(8.3	)
Commercial:
Commercial real estate	2,674,329		14.9		2,634,191		14.7		40,138			1.5
Commercial business	701,721		3.9		652,287		3.7		49,434			7.6
Total commercial	3,376,050		18.8		3,286,478		18.4		89,572			2.7
Leasing and equipment finance	4,276,008		23.8		4,336,310		24.3		(60,302		)	(1.4	)
Inventory finance	2,864,248		15.9		2,470,175		13.8		394,073			16.0
Auto finance	2,780,416		15.5		2,647,741		14.8		132,675			5.0
Other	16,785		0.1		18,771		0.2		(1,986		)	(10.6	)
Total loans and leases	$	17,974,894	100.0	%	$	17,843,827	100.0	%	$	131,067		0.7

Consumer Real Estate The consumer real estate portfolio is secured by mortgages on residential real estate and consisted of $2.2 billion of first mortgage lien loans and $2.5 billion of junior lien loans at March 31, 2017, with decreases of $0.1 billion, or 5.5%, and $0.3 billion, or 10.6%, respectively, from $2.3 billion and $2.8 billion, respectively, at December 31, 2016. The decrease in the consumer real estate portfolio was primarily due to transfers to loans held for sale and payments received during the first quarter of 2017 exceeding originations. Consumer real estate loans held for sale were $232.3 million at March 31, 2017, compared with $13.2 million at December 31, 2016. Loans are originated for investment and for sale. TCF sold $379.4 million and $321.4 million of consumer real estate loans in the first quarters of 2017 and 2016, respectively. Included in consumer real estate loans sold in the first quarter of 2017 were $49.4 million of non-accrual loans. Consumer real estate originations increased $12.9 million, or 2.7%, to $495.1 million in the first quarter of 2017 from $482.2 million for the same period in 2016. At March 31, 2017 and December 31, 2016, 69.5% and 68.1%, respectively, of the consumer real estate portfolio were in TCF's primary banking markets. At March 31, 2017 and December 31, 2016, 56.9% and 58.0%, respectively, of the consumer real estate portfolio carried a variable or adjustable interest rate generally tied to the prime rate. At March 31, 2017 and December 31, 2016, 48.6% and 47.3%, respectively, of TCF's consumer real estate loans consisted of closed-end loans. TCF's closed-end consumer real estate loans require payments of principal and interest over a fixed term.

The average Fair Isaac Corporation ("FICO^®") credit score at loan origination for the consumer real estate portfolio was 735 at both March 31, 2017 and December 31, 2016. As part of TCF's credit risk monitoring, TCF obtains updated FICO score information quarterly. The average updated FICO score for the consumer real estate portfolio was 732 and 733 at March 31, 2017 and December 31, 2016, respectively.

TCF's consumer real estate underwriting standards are intended to produce adequately secured loans to customers with good credit scores at the origination date. Beginning in 2008, TCF generally has not made new loans in excess of 90% loan-to-value at origination. TCF also has not originated consumer real estate loans with multiple payment options or loans with "teaser" interest rates. At March 31, 2017, 61.5% of the consumer real estate portfolio had been originated since January 1, 2009 with annualized net recoveries of (0.03)%.

The consumer real estate junior lien portfolio was comprised of $2.2 billion of home equity lines of credit ("HELOCs") and $249.5 million of amortizing consumer real estate junior lien mortgage loans at March 31, 2017, compared with $2.5 billion and $272.9 million at December 31, 2016, respectively. At March 31, 2017 and December 31, 2016, $1.8 billion and $2.0 billion, respectively, of the consumer real estate junior lien HELOCs had a 10-year interest-only draw period and a 20-year amortization repayment period and all were within the 10-year interest-only draw period and will not convert to amortizing loans until 2021 or later. At March 31, 2017 and December 31, 2016, $483.5 million and $525.4 million, respectively, of the consumer real estate junior lien HELOCs were interest-only revolving draw loans with no defined amortization period and original draw periods of 5 to 40 years. As of March 31, 2017, 17.7% of these loans mature prior to 2021. Outstanding balances on consumer real estate lines of credit were 64.9% of total lines of credit at March 31, 2017, compared to 67.1% at December 31, 2016.

42

Commercial Real Estate and Business Lending The commercial portfolio consisted of $2.7 billion of commercial real estate loans and $701.7 million of commercial business loans at March 31, 2017, with increases of $40.1 million, or 1.5%, and $49.4 million, or 7.6%, respectively, from $2.6 billion and $652.3 million, respectively, at December 31, 2016 . The increase in the commercial portfolio was primarily due to originations exceeding payments during the first quarter of 2017. Total commercial originations decreased $10.3 million, or 2.5%, to $405.0 million in the first quarter of 2017 from $415.3 million for the same period in 2016. At March 31, 2017 and December 31, 2016, 75.9% and 77.8%, respectively, of TCF's commercial real estate loans outstanding were secured by properties located in TCF's primary banking markets. With an emphasis on secured lending, essentially all of TCF's commercial loans were secured either by properties or other business assets at March 31, 2017 and December 31, 2016. At March 31, 2017 and December 31, 2016, variable- and adjustable-rate loans represented 70.8% and 69.0%, respectively, of total commercial loans outstanding.

Leasing and Equipment Finance The leasing and equipment finance portfolio consisted of $2.3 billion of leases and $2.0 billion of loans at March 31, 2017, with decreases of $30.0 million, or 1.3%, and $30.3 million, or 1.5%, respectively, from $2.3 billion of leases and $2.0 billion of loans at December 31, 2016. Leasing and equipment finance originations decreased $8.7 million, or 2.1%, to $406.0 million in the first quarter of 2017 from $414.8 million for the same period in 2016. The uninstalled backlog of approved transactions was $498.5 million and $453.6 million at March 31, 2017 and December 31, 2016, respectively.

Inventory Finance The inventory finance portfolio totaled $2.9 billion at March 31, 2017, an increase of $0.4 billion, or 16.0%, from $2.5 billion at December 31, 2016. The increase was primarily due to seasonally higher inventory finance balances in its lawn and garden marketing segment. TCF's inventory finance customers included more than 10,400 and 10,800 active dealers at March 31, 2017 and December 31, 2016, respectively. Inventory finance originations were $1.8 billion in the first quarter of 2017 and 2016. Origination levels are impacted by the velocity of fundings and repayments with dealers.

Auto Finance The auto finance portfolio totaled $2.8 billion at March 31, 2017, an increase of $0.1 billion, or 5.0%, from $2.6 billion at December 31, 2016. The increase was primarily a result of the shift in strategy in the auto finance business to more of an originate-to-hold business model. Loans are originated for investment and for sale, including securitizations. TCF sold $250.6 million and $444.3 million of auto finance loans in the first quarters of 2017 and 2016, respectively. Auto finance originations decreased $52.0 million, or 5.7%, to $863.2 million in the first quarter of 2017 from $915.2 million for the same period in 2016. The auto finance network included dealers in all 50 states and more than 7,100 and 11,400 active dealers at March 31, 2017 and December 31, 2016, respectively. The decrease in the active dealers was primarily due to the strategic shift in the auto finance business. The auto finance portfolio consisted of 23.7% new auto loans and 76.3% used auto loans at March 31, 2017, compared with 23.3% and 76.7%, respectively, at December 31, 2016. The average original FICO score for the auto finance held for investment portfolio was 732 and 733 at March 31, 2017 and December 31, 2016, respectively.

43

Credit Quality  The following summarizes TCF's loan and lease portfolio based on the credit quality factors that TCF believes are the most important and should be considered to understand the overall condition of the portfolio.

Past Due Loans and Leases  Over 60-day delinquent loans and leases by type, excluding non-accrual loans and leases, were as follows. Delinquent balances are determined based on the contractual terms of the loan or lease. See Note 5, Allowance for Loan and Lease Losses and Credit Quality Information of Notes to Consolidated Financial Statements for additional information.

	At March 31, 2017				At December 31, 2016
(Dollars in thousands)	60 Days or More Delinquent and Accruing		Percentage of Average Portfolio(1)		60 Days or More Delinquent and Accruing		Percentage of Average Portfolio(1)
Consumer real estate:
First mortgage lien	$	5,861	0.28	%	$	8,725	0.40	%
Junior lien	1,183		0.05		1,404		0.05
Total consumer real estate	7,044		0.15		10,129		0.21
Commercial	—		—		—		—
Leasing and equipment finance	5,254		0.12		4,523		0.10
Inventory finance	100		—		55		—
Auto finance	3,478		0.13		6,102		0.23
Other	8		0.05		20		0.10
Subtotal	15,884		0.09		20,829		0.12
Portfolios acquired with deteriorated credit quality	—		—		—		—
Total	$	15,884	0.09		$	20,829	0.12

(1)  Excludes average non-accrual loans and leases by portfolio.

Loan Modifications  Troubled debt restructuring ("TDR") loans were as follows:

	At March 31, 2017
(Dollars in thousands)	Accruing TDR Loans			Non-accrual TDR Loans		Total TDR Loans
Consumer real estate	$	96,320		$	41,810	$	138,130
Commercial	13,382			9,132		22,514
Leasing and equipment finance	5,176			1,671		6,847
Inventory finance	—			564		564
Auto finance	2,550			5,019		7,569
Other	5			—		5
Total	$	117,433		$	58,196	$	175,629
Over 60-day delinquency as a percentage of total accruing TDR loans	0.76		%	N.A		N.A

	At December 31, 2016
(Dollars in thousands)	Accruing TDR Loans			Non-accrual TDR Loans		Total TDR Loans
Consumer real estate	$	98,606		$	71,961	$	170,567
Commercial	20,304			2,170		22,474
Leasing and equipment finance	4,802			1,350		6,152
Inventory finance	—			357		357
Auto finance	2,323			5,504		7,827
Other	6			—		6
Total	$	126,041		$	81,342	$	207,383
Over 60-day delinquency as a percentage of total accruing TDR loans	1.19		%	N.A		N.A

N.A. Not Applicable.

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Total TDR loans were $175.6 million at March 31, 2017, a decrease of $31.8 million, or 15.3%, from $207.4 million at December 31, 2016. Accruing TDR loans were $117.4 million at March 31, 2017, a decrease of $8.6 million, or 6.8%, from $126.0 million at December 31, 2016. The decrease was primarily due to the transfer of three commercial loans to non-accrual. Non-accrual TDR loans were $58.2 million at March 31, 2017, a decrease of $23.1 million, or 28.5%, from $81.3 million at December 31, 2016. The decrease was primarily due to a $30.2 milliondecrease in consumer real estate non-accrual TDR loans, partially offset by a $7.0 millionincrease in commercial non-accrual TDR loans. The decrease in consumer real estate non-accrual TDR loans was primarily due to the non-accrual loan sale.

TCF modifies loans through reductions in interest rates, extension of payment dates, term extensions or term extensions with a reduction of contractual payments, but generally not through reductions of principal.

Loan modifications to borrowers who have not been granted concessions are not included in the table above. Loan modifications to troubled borrowers are not reported as TDR loans in the calendar years after modification if the loans were modified to an interest rate equal to or greater than the yields of new loan originations with comparable risk at the time of restructuring and if the loan is performing based on the restructured terms; however, these loans are still considered impaired and follow TCF's impaired loan reserve policies.

TCF typically reduces a consumer real estate customer's contractual payments by reducing the interest rate by an amount appropriate for the borrower's financial condition. Loans discharged in Chapter 7 bankruptcy where the borrower did not reaffirm the debt are reported as non-accrual TDR loans upon discharge as a result of the removal of the borrower's personal liability on the loan. These loans may return to accrual status when TCF expects full repayment of the remaining pre-discharged contractual principal and interest. At March 31, 2017, 69.7% of total consumer real estate TDR loans were accruing and TCF recognized more than 62% of the original contractual interest due on accruing consumer real estate TDR loans during the first quarter of 2017, yielding 4.2%, by modifying the loans to qualified customers instead of foreclosing on the property. At March 31, 2017, collection of principal and interest under the modified terms was reasonably assured on all accruing consumer real estate TDR loans.

Commercial loans modified when on non-accrual status continue to be reported as non-accrual loans until there is sustained repayment performance for a reasonable period of at least six consecutive months. At March 31, 2017, 59.4% of total commercial TDR loans were accruing and TCF recognized more than 95% of the original contractual interest due on accruing commercial TDR loans in the first quarter of 2017, yielding 5.4%. At March 31, 2017, collection of principal and interest under the modified terms was reasonably assured on all accruing commercial TDR loans.

See Note 5, Allowance for Loan and Lease Losses and Credit Quality Information of Notes to Consolidated Financial Statements for additional information regarding TCF's loan modifications.

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Non-performing Assets  TCF's non-accrual loans and leases and other real estate owned were as follows:

(Dollars in thousands)	At March 31, 2017			At December 31, 2016
Consumer real estate:
First mortgage lien	$	76,941		$	106,125
Junior lien	24,996			46,346
Total consumer real estate	101,937			152,471
Commercial:
Commercial real estate	10,267			5,564
Commercial business	2,430			355
Total commercial	12,697			5,919
Leasing and equipment finance	12,274			10,880
Inventory finance	5,162			5,134
Auto finance	6,909			7,038
Other	2			3
Total non-accrual loans and leases	138,981			181,445
Other real estate owned:
Consumer real estate	25,922			34,070
Commercial real estate	6,037			12,727
Total other real estate owned	31,959			46,797
Total non-accrual loans and leases and other real estate owned	$	170,940		$	228,242
Non-accrual loans and leases as a percentage of total loans and leases	0.77		%	1.02		%
Non-accrual loans and leases and other real estate owned as a percentage of total loans and leases and other real estate owned	0.95			1.28
Allowance for loan and lease losses as a percentage of non-accrual loans and leases	115.24			88.33

Non-accrual loans and leases were $139.0 million at March 31, 2017, a decrease of $42.5 million, or 23.4%, from $181.4 million at December 31, 2016. The decrease was primarily due to the consumer real estate non-accrual loan sale of $49.4 million, partially offset by an increase in non-accrual commercial loans and non-accrual leasing and equipment finance loans and leases. Other real estate owned was $32.0 million at March 31, 2017, a decrease of $14.8 million, or 31.7%, from $46.8 million at December 31, 2016. The decrease was primarily due to the sales of consumer real estate properties outpacing additions. Consumer real estate loans in process of foreclosure were $32.2 million and $32.1 million at March 31, 2017 and December 31, 2016, respectively.

Loans and leases are generally placed on non-accrual status when the collection of interest or principal is 90 days or more past due unless, in the case of commercial loans, they are well secured and in process of collection. Delinquent consumer real estate junior lien loans are also placed on non-accrual status when there is evidence that the related third-party first lien mortgage may be 90 days or more past due, or foreclosure, charge-off or collection action has been initiated. TDR loans are placed on non-accrual status prior to the past due thresholds outlined above if repayment under the modified terms is not likely after performing a well-documented credit analysis. Loans on non-accrual status are generally reported as non-accrual loans until there is sustained repayment performance for six consecutive months, with the exception of loans not reaffirmed upon discharge under Chapter 7 bankruptcy, which remain on non-accrual status until a well-documented credit analysis indicates full repayment of the remaining pre-discharged contractual principal and interest is likely. Most of TCF's non-accrual loans and past due loans are secured by real estate. Given the nature of these assets and the related mortgage foreclosure, property sale and, if applicable, mortgage insurance claims processes, it can take 18 months or longer for a loan to migrate from initial delinquency to final disposition. This resolution process generally takes much longer for loans secured by real estate than for unsecured loans or loans secured by other property primarily due to state real estate foreclosure laws.

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Changes in the amount of non-accrual loans and leases for the three months ended March 31, 2017 were as follows:

	At or For the Three Months Ended March 31, 2017
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
Balance, beginning of period	$	152,471		$	5,919		$	10,880		$	5,134		$	7,038		$	3		$	181,445
Additions	15,736			9,880			4,977			1,963			2,105			—			34,661
(Charge-offs) recoveries	(1,729		)	(2,732		)	(1,309		)	(66		)	(597		)	21			(6,412		)
Transfers to other assets	(7,239		)	—			(1,006		)	(100		)	(441		)	—			(8,786		)
Return to accrual status	(1,792		)	—			(23		)	(776		)	—			—			(2,591		)
Payments received	(6,907		)	(370		)	(1,245		)	(992		)	(1,196		)	(22		)	(10,732		)
Sales	(49,916		)	—			—			—			—			—			(49,916		)
Other, net	1,313			—			—			(1		)	—			—			1,312
Balance, end of period	$	101,937		$	12,697		$	12,274		$	5,162		$	6,909		$	2		$	138,981

Loan and Lease Credit Classifications TCF assesses the risk of its loan and lease portfolio utilizing numerous risk characteristics as outlined in the previous sections. Loan and lease credit classifications are an additional characteristic that is closely monitored in the overall credit risk process. Loan and lease credit classifications are derived from standard regulatory rating definitions, which include: non-classified (pass and special mention) and classified (substandard and doubtful). Classified loans and leases have well-defined weaknesses, but may never result in a loss.

Loans and leases by portfolio and regulatory classification were as follows:

	At March 31, 2017
	Non-classified				Classified				Total
(In thousands)	Pass		Special Mention		Substandard		Doubtful
Consumer real estate	$	4,514,282	$	35,020	$	112,085	$	—	$	4,661,387
Commercial	3,268,722		76,451		30,877		—		3,376,050
Leasing and equipment finance	4,224,403		21,521		30,084		—		4,276,008
Inventory finance	2,685,488		102,014		76,746		—		2,864,248
Auto finance	2,764,463		394		15,559		—		2,780,416
Other	16,776		—		9		—		16,785
Total loans and leases	$	17,474,134	$	235,400	$	265,360	$	—	$	17,974,894

	At December 31, 2016
	Non-classified				Classified				Total
(In thousands)	Pass		Special Mention		Substandard		Doubtful
Consumer real estate	$	4,877,740	$	40,253	$	166,359	$	—	$	5,084,352
Commercial	3,190,241		61,771		34,466		—		3,286,478
Leasing and equipment finance	4,285,065		23,441		27,804		—		4,336,310
Inventory finance	2,163,764		139,385		167,026		—		2,470,175
Auto finance	2,631,406		244		16,091		—		2,647,741
Other	18,750		—		21		—		18,771
Total loans and leases	$	17,166,966	$	265,094	$	411,767	$	—	$	17,843,827

Total classified loans and leases were $265.4 million and $411.8 million at March 31, 2017 and December 31, 2016, respectively. The decrease of $146.4 million, or 35.6%, from December 31, 2016 was primarily due to decreases in inventory finance and consumer real estate classified loans. The decrease in inventory finance classified loans was due to enhancements made to the model used to determine the classifications of loans that better align with the inherent risk in this portfolio. The decrease in consumer real estate classified loans was a result of the non-accrual loan sale.

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Allowance for Loan and Lease Losses  The determination of the allowance for loan and lease losses is a critical accounting estimate. TCF's evaluation of incurred losses is based upon historical loss rates multiplied by the respective portfolio's loss emergence period. Factors utilized in the determination of the amount of the allowance include historical trends in loss rates, a portfolio's overall risk characteristics, changes in its character or size, risk rating migration, delinquencies, collateral values, economic outlook and prevailing economic conditions. The various factors used in the methodologies are reviewed on a periodic basis.

The Company considers the allowance for loan and lease losses of $160.2 millionappropriate to cover losses incurred in the loan and lease portfolios at March 31, 2017. However, no assurance can be given that TCF will not, in any particular period, sustain loan and lease losses that are sizable in relation to the amount reserved or will not require significant changes in the balance of the allowance for loan and lease losses due to subsequent evaluations of the loan and lease portfolios, in light of factors then prevailing, including economic conditions, information obtained during TCF's ongoing credit review process or regulatory requirements. Among other factors, an economic slowdown, increasing levels of unemployment and/or a decline in collateral values may have an adverse impact on the current adequacy of the allowance for loan and lease losses by increasing credit risk and the risk of potential loss.

The total allowance for loan and lease losses is generally available to absorb losses from any segment of the portfolio. The allocation of TCF's allowance for loan and lease losses disclosed in the following table is subject to change based on changes in the criteria used to evaluate the allowance and is not necessarily indicative of the trend of future losses in any particular portfolio.

In conjunction with Note 5, Allowance for Loan and Lease Losses and Credit Quality Information of Notes to Consolidated Financial Statements, detailed information regarding TCF's allowance for loan and lease losses was as follows:

	At March 31, 2017				At December 31, 2016
	Credit Loss Reserves				Credit Loss Reserves
(Dollars in thousands)	Amount		As a Percentage of Portfolio		Amount		As a Percentage of Portfolio
Consumer real estate:
First mortgage lien	$	31,315	1.45	%	$	33,828	1.48	%
Junior lien	22,536		0.90		25,620		0.92
Consumer real estate	53,851		1.16		59,448		1.17
Commercial:
Commercial real estate	22,580		0.84		22,785		0.86
Commercial business	11,117		1.58		9,910		1.52
Total commercial	33,697		1.00		32,695		0.99
Leasing and equipment finance	21,257		0.50		21,350		0.49
Inventory finance	15,816		0.55		13,932		0.56
Auto finance	35,108		1.26		32,310		1.22
Other	437		2.60		534		2.84
Total allowance for loan and lease losses	160,166		0.89		160,269		0.90
Other credit loss reserves:
Reserves for unfunded commitments	1,135		N.A.		1,115		N.A.
Total credit loss reserves	$	161,301	0.90		$	161,384	0.90

N.A. Not Applicable.

Liquidity Management TCF manages its liquidity to ensure that the funding needs of depositors and borrowers are met both promptly and in a cost-effective manner. Asset liquidity arises from the amortization, prepayment or maturity of assets and from the ability of TCF to sell or securitize loans. Liability liquidity results from the ability of TCF to maintain a diverse set of funding sources to promptly meet funding requirements.

TCF Bank had $150.7 million and $256.6 million of net liquidity qualifying interest-bearing deposits at the Federal Reserve Bank at March 31, 2017 and December 31, 2016, respectively. Interest-bearing deposits held at the Federal Reserve Bank and unencumbered U.S. Government sponsored enterprises and federal agencies mortgage-backed securities were $1.1 billion and $1.2 billion at March 31, 2017 and December 31, 2016, respectively. In addition, TCF held unencumbered obligations of states and political subdivisions totaling $660.0 million and $612.5 million at March 31, 2017 and December 31, 2016, respectively.

48

Deposits are the primary source of TCF's funds for use in lending and for other general business purposes. In addition to deposits, TCF receives funds from loan and lease repayments, loan sales and securitizations, and borrowings. Lending activities, such as loan originations and purchases and equipment purchases for lease financing, are the primary uses of TCF's funds.

The primary source of funding for TCF Commercial Finance Canada, Inc. ("TCFCFC") is a line of credit with TCF Bank. TCFCFC also maintains a $20.0 million Canadian dollar-denominated line of credit facility with a counterparty, which is guaranteed by TCF Bank. TCFCFC had $3.0 million and $2.2 million (USD) outstanding under the line of credit with the counterparty at March 31, 2017 and December 31, 2016, respectively.

Deposits  Deposits totaled $17.5 billion at March 31, 2017, an increase of $0.2 billion, or 1.3%, from $17.2 billion at December 31, 2016. The increase was primarily due to growth in checking and savings balances, partially offset by a decrease in money market balances.

Non-interest bearing checking accounts represented 20.6% and 20.0% of total deposits at March 31, 2017 and December 31, 2016, respectively. TCF's weighted-average rate for deposits, including non-interest bearing deposits, was 0.33% and 0.36% at March 31, 2017 and December 31, 2016, respectively. The decrease was primarily due to decreased average interest rates on money market balances and certificates of deposit.

Checking, savings and certain money market deposits are an important source of low or no interest cost funds for TCF. The average balance of these types of deposits was $10.8 billion and $10.6 billion for the first quarters of 2017 and 2016, respectively. These deposits comprised 63.0% and 62.7% of total average deposits for the first quarters of 2017 and 2016, respectively.

Certificates of deposit totaled $4.1 billion at both March 31, 2017 and December 31, 2016. The maturities of certificates of deposit with denominations equal to or greater than $100,000 at March 31, 2017 were as follows:

(In thousands)	Denominations $100 Thousand or Greater at March 31, 2017
Maturity:
Three months or less	$	344,021
Over three through six months	458,592
Over six through 12 months	749,755
Over 12 months	458,324
Total	$	2,010,692

Borrowings  Borrowings totaled $1.2 billion and $1.1 billion at March 31, 2017 and December 31, 2016, respectively. Historically, TCF has borrowed primarily from the Federal Home Loan Bank ("FHLB") of Des Moines, institutional sources under repurchase agreements and other sources. TCF had $1.6 billion of additional borrowing capacity at the FHLB of Des Moines at March 31, 2017, as well as access to the Federal Reserve Discount Window.

See Note 6, Long-term Borrowings of Notes to Consolidated Financial Statements for additional information regarding TCF's long-term borrowings.

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Capital Management  TCF is committed to managing capital to maintain protection for stockholders, depositors and creditors. TCF employs a variety of capital management tools to achieve its capital goals, including, but not limited to, dividends, public offerings of preferred and common stock, common stock repurchases and the issuance or redemption of subordinated debt and other capital instruments. TCF maintains a Capital Planning and Dividend Policy which applies to TCF Financial and incorporates TCF Bank's Capital Planning and Dividend Policy. These policies ensure that capital strategy actions, including the addition of new capital, if needed, common stock repurchases, or the declaration of preferred stock, common stock and bank dividends are prudent, efficient and provide value to TCF's stockholders, while ensuring that past and prospective earnings retention is consistent with TCF's capital needs, asset quality and overall financial condition. TCF and TCF Bank manage their capital levels to exceed all regulatory capital requirements, which were exceeded at March 31, 2017 and December 31, 2016. See Note 7, Regulatory Capital Requirements of Notes to Consolidated Financial Statements.

Preferred Stock  At March 31, 2017, there were 6,900,000 depositary shares outstanding, each representing a 1/1,000^th interest in a share of the Series A Non-Cumulative Perpetual Preferred Stock of TCF Financial Corporation, par value $.01 per share, with a liquidation preference of $25,000 per share (equivalent to $25 per depositary share) (the "Series A Preferred Stock"). Dividends are payable on the Series A Preferred Stock if, as and when declared by TCF's Board of Directors on a non-cumulative basis on March 1, June 1, September 1 and December 1 of each year at a per annum rate of 7.5%. The Series A Preferred Stock may be redeemed at TCF's option in whole or in part on or after June 25, 2017.

At March 31, 2017, there were 4,000,000 shares outstanding of the 6.45% Series B Non-Cumulative Perpetual Preferred Stock of TCF Financial Corporation, par value $.01 per share, with a liquidation preference of $25 per share (the "Series B Preferred Stock"). Dividends are payable on the Series B Preferred Stock if, as and when declared by TCF's Board of Directors on a non-cumulative basis on March 1, June 1, September 1 and December 1 of each year at a per annum rate of 6.45%. The Series B Preferred Stock may be redeemed at TCF's option in whole or in part on or after December 19, 2017.

Equity  Total equity at March 31, 2017 was $2.5 billion, or 11.4% of total assets, compared with $2.4 billion, or 11.4% of total assets, at December 31, 2016. Dividends to common stockholders on a per share basis totaled 7.5 cents for the first quarters of 2017 and 2016. TCF's common dividend payout ratio for the first quarters of 2017 and 2016 was 30.0% and 28.9%, respectively. TCF Financial's primary funding sources for dividends are earnings and dividends received from TCF Bank.

At March 31, 2017, TCF had 5.4 million shares remaining in its stock repurchase program authorized by its Board of Directors, which has no expiration. Prior consultation with the Federal Reserve is required before TCF could repurchase any shares of its common stock.

Common stockholders' equity at March 31, 2017 was $2.2 billion, or 10.08% of total assets, compared with $2.2 billion, or 10.09% of total assets, at December 31, 2016. Tangible common equity at March 31, 2017 was $2.0 billion, or 9.13% of total tangible assets, compared with $1.9 billion, or 9.13% of total tangible assets, at December 31, 2016. Tangible common equity is not a financial measure recognized under generally accepted accounting principles in the United States ("GAAP") (i.e., non-GAAP). Tangible common equity represents total equity less preferred stock, goodwill, other intangible assets and non-controlling interest in subsidiaries. Tangible assets represent total assets less goodwill and other intangible assets. When evaluating capital adequacy and utilization, management considers financial measures such as tangible common equity to tangible assets. This non-GAAP financial measure is viewed by management as a useful indicator of capital levels available to withstand unexpected market or economic conditions and also provide investors, regulators and other users with information to be viewed in relation to other banking institutions.

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Reconciliations of the non-GAAP financial measures of tangible common equity and tangible assets to the GAAP measures of total equity and total assets were as follows:

(Dollars in thousands)		At March 31, 2017			At December 31, 2016
Computation of tangible common equity to tangible assets:
Total equity		$	2,490,663		$	2,444,645
Less: Non-controlling interest in subsidiaries		26,551			17,162
Total TCF Financial Corporation stockholders' equity		2,464,112			2,427,483
Less: Preferred stock		263,240			263,240
Total common stockholders' equity	(a)	2,200,872			2,164,243
Less:
Goodwill		225,640			225,640
Other intangibles(1)		1,615			1,738
Tangible common equity	(b)	$	1,973,617		$	1,936,865
Total assets	(c)	$	21,836,568		$	21,441,326
Less:
Goodwill		225,640			225,640
Other intangibles(1)		1,615			1,738
Tangible assets	(d)	$	21,609,313		$	21,213,948
Common equity to assets	(a) / (c)	10.08		%	10.09		%
Tangible common equity to tangible assets	(b) / (d)	9.13		%	9.13		%

(1) Includes non-mortgage servicing assets.

Recent Accounting Developments

In March 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2017-08: Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities, which clarifies the premium amortization period on purchased callable debt securities should be to the earliest call date, rather than the contractual maturity date. The ASU does not change the discount amortization period for purchased debt securities as the discount continues to be amortized to the contractual maturity date. The adoption of this ASU will be required on a modified retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2019. Early adoption is allowed. The adoption of this guidance will not have a material impact on our consolidated financial statements.

In March 2017, the FASB issued ASU No. 2017-07: Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, which will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Under the new guidance, employers will present the service cost component of the net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. The other components of net periodic benefit cost will be presented separately from the line item that includes service cost and outside of any subtotal of operating income. In addition, disclosure of the line items used to present the other components of net periodic benefit cost is required if the components are not presented separately in the income statement. The adoption of this ASU will be required on either a full or modified retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Early adoption is allowed. The adoption of this guidance will not have a material impact on our consolidated financial statements.

In February 2017, the FASB issued ASU No. 2017-05: Other Income - Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20), which provides guidance for recognizing gains and losses from the transfer of nonfinancial assets in contracts with non-customers. The ASU also clarifies that Accounting Standards Codification 610-20 applies to the derecognition of nonfinancial assets and in substance nonfinancial assets unless other specific guidance applies or the sale is to a customer. The new guidance does not apply to the derecognition of businesses, nonprofit activities, financial assets, including equity method investments, or to revenue contracts with customers. The adoption of this ASU will be required on either a full or modified retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Early adoption is allowed. The adoption of this guidance will not have a material impact on our consolidated financial statements.

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In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business, which clarifies the definition of a business with the objective of adding guidance to assist companies with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. The ASU provides a more robust framework to use in determining when a set of assets and activities is a business. The adoption of this ASU will be required on a prospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, which requires entities to show changes in the total of cash, cash equivalents, restricted cash and restricted cash equivalents in the statement of cash flows. As a result, entities will no longer present transfers between cash and cash equivalents, restricted cash and restricted cash equivalents in the statement of cash flows. The adoption of this ASU will be required on a retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, which addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice in how certain types of cash receipts and cash payments are presented in the statement of cash flows. The adoption of this ASU will be required on a retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Early adoption is allowed. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which changes the impairment model for most financial assets, including trade and other receivables, held to maturity debt securities, loans and purchased financial assets with credit deterioration. The adoption of this ASU will be required on a modified retrospective basis with a cumulative-effect adjustment required beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2020. Early adoption is allowed. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

In March 2016, the FASB issued ASU No. 2016-04, Liabilities - Extinguishment of Liabilities (Subtopic 405-20): Recognition of Breakage for Certain Prepaid Stored-Value Products, which requires issuers of prepaid stored-value products redeemable for goods, services or cash at third-party merchants to derecognize liabilities related to those products for breakage. The adoption of this ASU will be required on a retrospective or modified retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. Early adoption is allowed. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which, among other amendments, requires lessees to recognize most leases on their balance sheet. Lessor accounting is largely unchanged. The ASU requires both quantitative and qualitative disclosure regarding key information about leasing arrangements from both lessees and lessors. The adoption of this ASU will be required on a modified retrospective basis beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2019. Early adoption is allowed. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements.

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In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606), which requires revenue recognition to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In August 2015, the FASB issued ASU No. 2015-14, Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date, which delays the effective date of the new revenue recognition requirements in ASU No. 2014-09 by one-year. In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net), which clarifies how an entity should identify the unit of accounting for the principal versus agent evaluation, and how it should apply the control principle to certain types of arrangements by explaining what a principal controls before the specified good or service is transferred to the customer. In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, which amends the guidance for identifying performance obligations and accounting for a license which grants the right to use intellectual property. In May 2016, the FASB issued ASU No. 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, which provides narrow-scope improvements to transition, collectability, noncash consideration and the presentation of sales and other similar taxes. In December 2016, the FASB issued ASU No. 2016-20, Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers, which provides guidance that affects narrow aspects of the guidance issued in ASU No. 2014-09. The adoption of these ASUs will be required using one of two retrospective application methods beginning with TCF’s Quarterly Report on Form 10-Q for the quarter ending March 31, 2018. TCF plans to apply the modified retrospective method with a cumulative-effect adjustment to opening retained earnings. Management is currently evaluating the potential impact of this guidance on our consolidated financial statements. In evaluating this standard, management has determined that the majority of revenue earned by the Company is from revenue streams not included in the scope of this standard and therefore management does not expect the new revenue recognition guidance to have a material impact on our consolidated financial statements.

Legislative and Regulatory Developments

Federal and state legislation impose numerous legal and regulatory requirements on financial institutions. Future legislative or regulatory change, or changes in enforcement practices or court rulings, may have a dramatic and potentially adverse impact on TCF.

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Forward-looking Information

 Any statements contained in this Quarterly Report on Form 10-Q regarding the outlook for the Company's businesses and their respective markets, such as projections of future performance, targets, guidance, statements of the Company's plans and objectives, forecasts of market trends and other matters, are forward-looking statements based on the Company's assumptions and beliefs. Such statements may be identified by such words or phrases as "will likely result," "are expected to," "will continue," "outlook," "will benefit," "is anticipated," "estimate," "project," "management believes" or similar expressions. These forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those discussed in such statements and no assurance can be given that the results in any forward-looking statement will be achieved. For these statements, TCF claims the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. Any forward-looking statement speaks only as of the date on which it is made, and we disclaim any obligation to subsequently revise any forward-looking statement to reflect events or circumstances after such date or to reflect the occurrence of anticipated or unanticipated events.

Certain factors could cause the Company's future results to differ materially from those expressed or implied in any forward-looking statements contained herein. These factors include the factors discussed in Part I, Item 1A of the Company's Annual Report on Form 10-K for the year ended December 31, 2016 under the heading "Risk Factors", the factors discussed below and any other cautionary statements, written or oral, which may be made or referred to in connection with any such forward-looking statements. Since it is not possible to foresee all such factors, these factors should not be considered as complete or exhaustive.

Adverse Economic or Business Conditions; Competitive Conditions; Credit and Other Risks. Deterioration in general economic and banking industry conditions, including those arising from government shutdowns, defaults, anticipated defaults or rating agency downgrades of sovereign debt (including debt of the U.S.), or increases in unemployment; adverse economic, business and competitive developments such as shrinking interest margins, reduced demand for financial services and loan and lease products, deposit outflows, increased deposit costs due to competition for deposit growth and evolving payment system developments, deposit account attrition or an inability to increase the number of deposit accounts; customers completing financial transactions without using a bank; adverse changes in credit quality and other risks posed by TCF's loan, lease, investment, securities held to maturity and securities available for sale portfolios, including declines in commercial or residential real estate values, changes in the allowance for loan and lease losses dictated by new market conditions or regulatory requirements, or the inability of home equity line borrowers to make increased payments caused by increased interest rates or amortization of principal; deviations from estimates of prepayment rates and fluctuations in interest rates that result in decreases in the value of assets such as interest-only strips that arise in connection with TCF's loan sales activity; interest rate risks resulting from fluctuations in prevailing interest rates or other factors that result in a mismatch between yields earned on TCF's interest-earning assets and the rates paid on its deposits and borrowings; foreign currency exchange risks; counterparty risk, including the risk of defaults by our counterparties or diminished availability of counterparties who satisfy our credit quality requirements; decreases in demand for the types of equipment that TCF leases or finances; the effect of any negative publicity.

Legislative and Regulatory Requirements. New consumer protection and supervisory requirements and regulations, including those resulting from action by the Consumer Financial Protection Bureau ("CFPB") and changes in the scope of Federal preemption of state laws that could be applied to national banks and their subsidiaries; the imposition of requirements that adversely impact TCF's deposit, lending, loan collection and other business activities such as mortgage foreclosure moratorium laws, further regulation of financial institution campus banking programs, or new restrictions on loan and lease products; changes affecting customer account charges and fee income, including changes to interchange rates; regulatory actions or changes in customer opt-in preferences with respect to overdrafts, which may have an adverse impact on TCF; governmental regulations or judicial actions affecting the security interests of creditors; deficiencies in TCF's compliance programs, including under the Bank Secrecy Act in past or future periods, which may result in regulatory enforcement action including monetary penalties; increased health care costs including those resulting from health care reform; regulatory criticism and resulting enforcement actions or other adverse consequences such as increased capital requirements, higher deposit insurance assessments or monetary damages or penalties; heightened regulatory practices, requirements or expectations, including, but not limited to, requirements related to enterprise risk management, the Bank Secrecy Act and anti-money laundering compliance activity.

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Earnings/Capital Risks and Constraints, Liquidity Risks. Limitations on TCF's ability to pay dividends or to increase dividends because of financial performance deterioration, regulatory restrictions or limitations; increased deposit insurance premiums, special assessments or other costs related to adverse conditions in the banking industry; the impact on banks of regulatory reform, including additional capital, leverage, liquidity and risk management requirements or changes in the composition of qualifying regulatory capital; adverse changes in securities markets directly or indirectly affecting TCF's ability to sell assets or to fund its operations; diminished unsecured borrowing capacity resulting from TCF credit rating downgrades or unfavorable conditions in the credit markets that restrict or limit various funding sources; costs associated with new regulatory requirements or interpretive guidance including those relating to liquidity; uncertainties relating to future retail deposit account changes, including limitations on TCF's ability to predict customer behavior and the impact on TCF's fee revenues.

Branching Risk; Growth Risks. Adverse developments affecting TCF's supermarket banking relationships or either of the primary supermarket chains in which TCF maintains supermarket branches; costs related to closing underperforming branches; inability to timely close underperforming branches due to long-term lease obligations; slower than anticipated growth in existing or acquired businesses; inability to successfully execute on TCF's growth strategy through acquisitions or expanding existing business relationships; failure to expand or diversify TCF's balance sheet through new or expanded programs or opportunities; failure to effectuate, and risks of claims related to, sales and securitizations of loans; risks related to new product additions and addition of distribution channels (or entry into new markets) for existing products.

Technological and Operational Matters. Technological or operational difficulties, loss or theft of information, cyber-attacks and other security breaches, counterparty failures and the possibility that deposit account losses (fraudulent checks, etc.) may increase; failure to keep pace with technological change, such as by failing to develop and maintain technology necessary to satisfy customer demands, costs and possible disruptions related to upgrading systems; the failure to attract and retain key employees.

Litigation Risks. Results of litigation or government enforcement actions such as TCF's pending litigation with the CFPB and related matters, including class action litigation or enforcement actions concerning TCF's lending or deposit activities, including account opening/origination, servicing practices, fees or charges, employment practices, or checking account overdraft program "opt in" requirements; possible increases in indemnification obligations for certain litigation against Visa U.S.A.

Accounting, Audit, Tax and Insurance Matters. Changes in accounting standards or interpretations of existing standards; federal or state monetary, fiscal or tax policies, including adoption of state legislation that would increase state taxes; ineffective internal controls; adverse federal, state or foreign tax assessments or findings in tax audits; lack of or inadequate insurance coverage for claims against TCF; potential for claims and legal action related to TCF's fiduciary responsibilities.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

TCF's results of operations depend, to a large degree, on its net interest income and its ability to manage interest rate risk. Although TCF manages other risks in the normal course of business, such as credit risk, liquidity risk, foreign currency risk and operational risk, the Company considers interest rate risk to be one of its more significant market risks.

Interest Rate Risk

TCF's Asset & Liability Committee ("ALCO") and the Finance Committee of TCF Financial's Board of Directors have adopted interest rate risk policy limits which are incorporated into the Company's investment policy. Interest rate risk is defined as the exposure of net interest income and fair value of financial instruments (interest-earning assets, deposits and borrowings) to movements in interest rates. Since TCF does not hold a trading portfolio, the Company is not exposed to market risk from trading activities. As such, the major sources of the Company's interest rate risk are timing differences in the maturity and repricing characteristics of assets and liabilities, changes in the shape of the yield curve, changes in consumer behavior and changes in relationships between rate indices (basis risk). Management measures these risks and their impact in various ways, including through the use of simulation and valuation analyses. The interest rate scenarios may include gradual or rapid changes in interest rates, spread narrowing and widening, yield curve twists and changes in assumptions about consumer behavior in various interest rate scenarios. A mismatch between maturities, interest rate sensitivities and prepayment characteristics of assets and liabilities results in interest rate risk. TCF, like most financial institutions, has material interest rate risk exposure to changes in both short- and long-term interest rates, as well as variable interest rate indices (e.g., the prime rate or the London InterBank Offered Rate).

TCF's ALCO is responsible for reviewing the Company's interest rate sensitivity position and establishing policies to monitor and limit exposure to interest rate risk. ALCO manages TCF's interest rate risk based on interest rate expectations and other factors. The principal objective of TCF in managing its assets and liabilities is to provide maximum levels of net interest income and facilitate the funding needs of the Company, while maintaining acceptable levels of interest rate risk and liquidity risk.

ALCO primarily uses two interest rate risk tools with policy limits to evaluate TCF's interest rate risk: net interest income simulation and economic value of equity ("EVE") analysis. In addition, the interest rate gap is reviewed periodically to monitor asset and liability repricing over various time periods.

Management utilizes net interest income simulation models to estimate the near-term effects of changing interest rates on its net interest income. Net interest income simulation involves forecasting net interest income under a variety of scenarios, including the level of interest rates, the shape of the yield curve and the spreads between market interest rates. Management exercises its best judgment in making assumptions regarding events that management can influence, such as non-contractual deposit repricings and events outside management's control, such as consumer behavior on loan and deposit activity and the effect that competition has on both loan and deposit pricing. These assumptions are subjective and, as a result, net interest income simulation results will differ from actual results due to the timing, magnitude and frequency of interest rate changes and changes in market conditions, consumer behavior and management strategies, among other factors. TCF performs various sensitivity analyses on assumptions of new loan spreads, prepayment rates, basis risk, deposit attrition and deposit repricing.

The following table presents changes in TCF's net interest income over a twelve month period if short- and long-term interest rates were to sustain an immediate increase of 100 basis points and 200 basis points. The impact of planned growth and new business activities is factored into the simulation model.

	Impact on Net Interest Income
(Dollars in millions)	March 31, 2017				December 31, 2016
Immediate Change in Interest Rates:
+200 basis points	$	95.7	10.6	%	$	97.2	10.9	%
+100 basis points	51.8		5.7		52.1		5.9

As of March 31, 2017, 60.4% of TCF's loan and lease balances were expected to reprice, amortize or prepay in the next 12 months and 63.0% of TCF's deposit balances were low cost or no cost deposits. TCF believes that the mix of assets repricing compared with low cost or no cost deposits positions TCF well for rising interest rates.

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Management also uses EVE and interest rate gap analyses to measure risk in the balance sheet that might not be taken into account in the net interest income simulation analysis. Net interest income simulation highlights exposure over a relatively short time period, while EVE analysis incorporates all cash flows over the estimated remaining life of all balance sheet positions. The valuation of the balance sheet, at a point in time, is defined as the discounted present value of asset cash flows minus the discounted present value of liability cash flows. EVE analysis addresses only the current balance sheet and does not incorporate the growth assumptions that are used in the net interest income simulation model. As with the net interest income simulation model, EVE analysis is based on key assumptions about the timing and variability of balance sheet cash flows and does not take into account any potential responses by management to anticipated changes in interest rates.

Interest rate gap is primarily the difference between interest-earning assets and interest-bearing liabilities repricing within a given period and represents the net asset or liability sensitivity at a point in time. An interest rate gap measure could be significantly affected by external factors such as loan prepayments, early withdrawals of deposits, changes in the correlation of various interest-bearing instruments, competition, or a rise or decline in interest rates.

Item 4. Controls and Procedures

Disclosure Controls and Procedures  The Company carried out an evaluation, under the supervision and with the participation of the Company's management, including the Company's Chief Executive Officer (Principal Executive Officer), Chief Financial Officer (Principal Financial Officer) and Chief Accounting Officer (Principal Accounting Officer), of the effectiveness of the design and operation of the Company's disclosure controls and procedures pursuant to Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Based upon that evaluation, management concluded that the Company's disclosure controls and procedures were effective as of March 31, 2017.

Disclosure controls and procedures are designed to ensure that information required to be disclosed by TCF in reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. Disclosure controls are also designed with the objective of ensuring that such information is accumulated and communicated to the Company's management, including the Chief Executive Officer (Principal Executive Officer), Chief Financial Officer (Principal Financial Officer) and Chief Accounting Officer (Principal Accounting Officer), as appropriate, to allow for timely decisions regarding required disclosure. TCF's disclosure controls also include internal controls that are designed to provide reasonable assurance that transactions are properly authorized, assets are safeguarded against unauthorized or improper use and that transactions are properly recorded and reported.

Changes in Internal Control Over Financial Reporting  There were no changes to TCF's internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) during the quarter ended March 31, 2017, that materially affected, or are reasonably likely to materially affect, TCF's internal control over financial reporting.

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Part II - Other Information

Item 1. Legal Proceedings

From time to time, TCF is a party to legal proceedings arising out of its lending, leasing and deposit operations, including foreclosure proceedings and other collection actions as part of its lending and leasing collections activities. TCF may also be subject to regulatory examinations and enforcement actions brought by federal regulators, including the Securities and Exchange Commission, the Federal Reserve, the Office of the Comptroller of the Currency ("OCC") and the Consumer Financial Protection Bureau ("CFPB") and TCF's regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance. From time to time, borrowers and other customers, and employees and former employees, have also brought actions against TCF, in some cases claiming substantial damages. TCF and other financial services companies are subject to the risk of class action litigation. Litigation is often unpredictable and the actual results of litigation cannot be determined, and therefore the ultimate resolution of a matter and the possible range of loss associated with certain potential outcomes cannot be established. Except as discussed below, based on our current understanding of TCF's pending legal proceedings, management does not believe that judgments or settlements arising from pending or threatened legal matters, individually or in the aggregate, would have a material adverse effect on the consolidated financial position, operating results or cash flows of TCF.

On January 19, 2017, the CFPB filed a civil lawsuit against TCF Bank in the United States District Court for the District of Minnesota, captioned Consumer Financial Protection Bureau v. TCF National Bank, alleging violations of the Consumer Financial Protection Act and Regulation E, §1005.17 in connection with TCF Bank's practices administering checking account overdraft program "opt-in" requirements from 2010 to early 2014. In its complaint, the CFPB seeks, among other relief, redress for consumers, injunctive relief and unspecified penalties. TCF Bank rejects the claims made by the CFPB in its complaint and intends to vigorously defend against the CFPB’s allegations. However, the ultimate resolution of this lawsuit and any other proceeding, action or matter arising from the same or similar facts or practices is uncertain, and this lawsuit and any other such proceedings, actions or matters may result in costs, losses, fines, penalties, restitution, injunctive relief, changes to our business practices and regulatory scrutiny, enforcement or restrictions which, individually or in the aggregate, could have a material adverse effect on our reputation, results of operations, cash flows, financial position, ability to offer certain products and business and prospects generally.

Item 1A. Risk Factors

There were no material changes in risk factors for TCF in the quarter covered by this report. You should carefully consider the risks and risk factors included under Item 1A of the Company's Annual Report on Form 10-K for the year ended December 31, 2016. TCF's business, financial condition or results of operations could be materially adversely affected by any of these risks.

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

Share repurchase activity for the three months ended March 31, 2017 was as follows:

Period	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plan	Maximum Number of Shares that May Yet be Purchased Under the Plan
January 1 to January 31, 2017
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	179,145	$	19.57	N.A.	N.A.
February 1 to February 28, 2017
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	6,859	$	17.24	N.A.	N.A.
March 1 to March 31, 2017
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	—	$	—	N.A.	N.A.
Total
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	186,004	$	19.48	N.A.	N.A.

 N.A. Not Applicable.

(1) The current share repurchase authorization was approved by the Board of Directors on April 14, 2007 and was announced in a press release dated April 16, 2007. The authorization was for a repurchase of up to an additional 5% of TCF's common stock outstanding at the time of the authorization, or 6.5 million shares. TCF has not repurchased shares since October 2007. Future repurchases will be based upon capital levels, growth expectations and market opportunities and may be subject to regulatory approval. The ability to repurchase shares in the future may be adversely affected by new legislation or regulations or by changes in regulatory policies. This authorization does not have an expiration date.

(2) Represents restricted stock withheld pursuant to the terms of awards granted under either the TCF Financial Incentive Stock Program or the 2015 Omnibus Incentive Plan to offset tax withholding obligations that occur upon vesting and release of restricted stock. Both plans provide that the value of shares withheld shall be the average of the high and low prices of common stock of TCF Financial Corporation on the date the relevant transaction occurs.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

None.

Item 6. Exhibits

See Index to Exhibits on page 61 of this report.

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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.

TCF FINANCIAL CORPORATION

/s/ Craig R. Dahl

Craig R. Dahl,

Chairman, President and Chief Executive Officer

(Principal Executive Officer)

/s/ Brian W. Maass

Brian W. Maass,

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

/s/ Susan D. Bode

Susan D. Bode,

Senior Vice President and Chief Accounting Officer

(Principal Accounting Officer)

Dated: May 5, 2017

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TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Index to Exhibits for Form 10-Q

Exhibit Number	Description
31.1#	Certification of the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2#	Certification of the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1#	Certification of the Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2#	Certification of the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101#	Financial statements from the Quarterly Report on Form 10-Q of the Company for the period ended March 31, 2017, formatted in XBRL: (i) the Consolidated Statements of Financial Condition, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Equity, (v) the Consolidated Statements of Cash Flows and (vi) the Notes to Consolidated Financial Statements

#  Filed herein

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Craig R. Dahl, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of TCF Financial Corporation for the quarter ended March 31, 2017;

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: May 5, 2017

/s/ Craig R. Dahl

Craig R. Dahl

Chairman, President and Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Brian W. Maass, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of TCF Financial Corporation for the quarter ended March 31, 2017;

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: May 5, 2017

/s/ Brian W. Maass

Brian W. Maass

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

EX-32.1

Exhibit 32.1

TCF FINANCIAL CORPORATION

STATEMENT PURSUANT TO 18 U.S.C. §1350

I, Craig R. Dahl, Chairman, President and Chief Executive Officer of TCF Financial Corporation, a Delaware corporation (the “Company”), hereby certify as follows:

1. This statement is provided pursuant to 18 U.S.C. § 1350 in connection with the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2017 (the “Periodic Report”);

2. The Periodic Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

3. The information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods indicated therein.

Date: May 5, 2017

/s/ Craig R. Dahl

Craig R. Dahl

Chairman, President and Chief Executive Officer

(Principal Executive Officer)

* A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to TCF Financial Corporation and will be retained by TCF Financial Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

TCF FINANCIAL CORPORATION

STATEMENT PURSUANT TO 18 U.S.C. §1350

I, Brian W. Maass, Executive Vice President and Chief Financial Officer of TCF Financial Corporation, a Delaware corporation (the “Company”), hereby certify as follows:

1. This statement is provided pursuant to 18 U.S.C. § 1350 in connection with the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2017 (the “Periodic Report”);

2. The Periodic Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

3. The information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods indicated therein.

Date: May 5, 2017

/s/ Brian W. Maass

Brian W. Maass

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

* A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to TCF Financial Corporation and will be retained by TCF Financial Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	Apr. 28, 2017
Document and Entity Information
Entity Registrant Name	TCF FINANCIAL CORP
Entity Central Index Key	0000814184
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		171,230,663

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Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets:
Cash and due from banks	$ 468,584	$ 609,603
Investments	81,717	74,714
Securities held to maturity	176,236	181,314
Securities available for sale	1,475,950	1,423,435
Loans and leases held for sale	605,631	268,832
Consumer real estate:
First mortgage lien	2,166,691	2,292,596
Junior lien	2,494,696	2,791,756
Total consumer real estate	4,661,387	5,084,352
Commercial	3,376,050	3,286,478
Leasing and equipment finance	4,276,008	4,336,310
Inventory finance	2,864,248	2,470,175
Auto finance	2,780,416	2,647,741
Other	16,785	18,771
Total loans and leases	17,974,894	17,843,827
Allowance for loan and lease losses	(160,166)	(160,269)
Net loans and leases	17,814,728	17,683,558
Premises and equipment, net	423,055	418,372
Goodwill	225,640	225,640
Other assets	565,027	555,858
Total assets	21,836,568	21,441,326
Deposits:
Checking	6,218,654	6,009,151
Savings	4,850,742	4,719,481
Money market	2,301,643	2,421,467
Certificates of deposit	4,094,551	4,092,423
Total deposits	17,465,590	17,242,522
Short-term borrowings	5,432	4,391
Long-term borrowings	1,241,155	1,073,181
Total borrowings	1,246,587	1,077,572
Accrued expenses and other liabilities	633,728	676,587
Total liabilities	19,345,905	18,996,681
Equity:
Preferred stock, par value $0.01 per share, 30,000,000 shares authorized; 4,006,900 issued	263,240	263,240
Common stock, par value $0.01 per share, 280,000,000 shares authorized; 170,983,828 and 171,034,506 shares issued, respectively	1,710	1,710
Additional paid-in capital	853,024	862,776
Retained earnings, subject to certain restrictions	1,410,418	1,382,901
Accumulated other comprehensive income (loss)	(30,695)	(33,725)
Treasury stock at cost, 42,566 shares, and other	(33,585)	(49,419)
Total TCF Financial Corporation stockholders' equity	2,464,112	2,427,483
Non-controlling interest in subsidiaries	26,551	17,162
Total equity	2,490,663	2,444,645
Total liabilities and equity	$ 21,836,568	$ 21,441,326

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Consolidated Statements of Financial Condition (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (shares)	30,000,000	30,000,000
Preferred stock, shares issued (shares)	4,006,900	4,006,900
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	280,000,000	280,000,000
Common stock, shares issued (shares)	170,983,828	171,034,506
Treasury stock at cost, shares (shares)	42,566	42,566

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Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest income:
Loans and leases	$ 219,548	$ 214,805
Securities available for sale	7,980	5,498
Securities held to maturity	1,280	1,319
Loans held for sale and other	13,499	10,720
Total interest income	242,307	232,342
Interest expense:
Deposits	13,715	14,991
Borrowings	6,478	5,693
Total interest expense	20,193	20,684
Net interest income	222,114	211,658
Provision for credit losses	12,193	18,842
Net interest income after provision for credit losses	209,921	192,816
Non-interest income:
Fees and service charges	31,282	32,817
Card revenue	13,150	13,363
ATM revenue	4,675	5,021
Subtotal	49,107	51,201
Gains on sales of auto loans, net	2,864	11,920
Gains on sales of consumer real estate loans, net	8,891	9,384
Servicing fee income	11,651	8,883
Subtotal	23,406	30,187
Leasing and equipment finance	28,298	28,487
Other	2,703	2,843
Fees and other revenue	103,514	112,718
Gains (losses) on securities, net	0	(116)
Total non-interest income	103,514	112,602
Non-interest expense:
Compensation and employee benefits	124,477	124,473
Occupancy and equipment	39,600	37,008
Other	64,037	53,348
Subtotal	228,114	214,829
Operating lease depreciation	11,242	9,573
Foreclosed real estate and repossessed assets, net	4,549	3,920
Other credit costs, net	101	12
Total non-interest expense	244,006	228,334
Income before income tax expense	69,429	77,084
Income tax expense	20,843	26,803
Income after income tax expense	48,586	50,281
Income attributable to non-controlling interest	2,308	2,235
Net income attributable to TCF Financial Corporation	46,278	48,046
Preferred stock dividends	4,847	4,847
Net income available to common stockholders	$ 41,431	$ 43,199
Net income per common share:
Basic (in dollars per share)	$ 0.25	$ 0.26
Diluted (in dollars per share)	$ 0.25	$ 0.26

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income attributable to TCF Financial Corporation	$ 46,278	$ 48,046
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities available for sale and interest-only strips	2,769	12,037
Net unrealized gains (losses) on net investment hedges	(313)	(2,020)
Foreign currency translation adjustment	581	3,409
Recognized postretirement prior service cost	(7)	(7)
Total other comprehensive income (loss), net of tax	3,030	13,419
Comprehensive income	$ 49,308	$ 61,465

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Consolidated Statements of Equity - USD ($) $ in Thousands	Total	TCF Financial Corporation	Preferred Stock	TCF Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock and Other	Non-controlling Interests
Balance (in shares) at Dec. 31, 2015			4,006,900	169,887,030
Balance at Dec. 31, 2015	$ 2,306,917	$ 2,290,916	$ 263,240	$ 1,699	$ 851,836	$ 1,240,347	$ (15,346)	$ (50,860)	$ 16,001
Increase (Decrease) in Equity
Net income	50,281	48,046				48,046			2,235
Other comprehensive income (loss), net of tax	13,419	13,419					13,419
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	7,692								7,692
Dividends on preferred stock	(4,847)	(4,847)				(4,847)
Dividends on common stock	(12,515)	(12,515)				(12,515)
Common shares purchased by TCF employee benefit plans (in shares)				511,420
Common shares purchased by TCF employee benefit plans	5,838	5,838		$ 5	5,833
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures				248,805
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	2,056	2,056		$ 3	2,053
Change in shares held in trust for deferred compensation plans, at cost					585			(585)
Balance (in shares) at Mar. 31, 2016			4,006,900	170,647,255
Balance at Mar. 31, 2016	2,368,841	2,342,913	$ 263,240	$ 1,707	860,307	1,271,031	(1,927)	(51,445)	25,928
Balance (in shares) at Dec. 31, 2016			4,006,900	171,034,506
Balance at Dec. 31, 2016	2,444,645	2,427,483	$ 263,240	$ 1,710	862,776	1,382,901	(33,725)	(49,419)	17,162
Increase (Decrease) in Equity
Change in accounting principle					1,319	(1,319)
Net income	48,586	46,278				46,278			2,308
Other comprehensive income (loss), net of tax	3,030	3,030					3,030
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	7,081								7,081
Dividends on preferred stock	(4,847)	(4,847)				(4,847)
Dividends on common stock	(12,595)	(12,595)				(12,595)
Common shares purchased by TCF employee benefit plans (in shares)				366,591
Common shares purchased by TCF employee benefit plans	6,446	6,446		$ 4	6,442
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures				(417,269)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	(1,683)	(1,683)		$ (4)	(1,679)
Change in shares held in trust for deferred compensation plans, at cost					(15,834)			15,834
Balance (in shares) at Mar. 31, 2017			4,006,900	170,983,828
Balance at Mar. 31, 2017	$ 2,490,663	$ 2,464,112	$ 263,240	$ 1,710	$ 853,024	$ 1,410,418	$ (30,695)	$ (33,585)	$ 26,551

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 48,586	$ 50,281
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	12,193	18,842
Depreciation and amortization	45,465	45,979
Provision for deferred income taxes	(12,032)	7,654
Proceeds from sale of loans and leases held for sale	61,287	300,610
Originations of loans and leases held for sale, net of repayments	(232,556)	(296,726)
Gains on sales of assets, net	(14,741)	(24,599)
Net change in other assets and accrued expenses and other liabilities	(39,398)	42,167
Other, net	(10,967)	(6,507)
Net cash provided by (used in) operating activities	(142,163)	137,701
Cash flows from investing activities:
Proceeds from maturities of and principal collected on securities	33,361	24,603
Purchases of securities	(86,841)	(240,789)
Redemption of Federal Home Loan Bank stock	78,000	34,963
Purchases of Federal Home Loan Bank stock	(85,000)	(36,000)
Proceeds from sales of loans and leases	611,515	493,671
Loan and lease originations and purchases, net of principal collected on loans and leases	(734,954)	(779,800)
Proceeds from sales of lease equipment	2,242	4,265
Purchases of lease equipment	(223,786)	(223,380)
Proceeds from sales of real estate owned	15,711	20,504
Purchases of premises and equipment	(9,597)	(7,661)
Other, net	7,965	5,354
Net cash provided by (used in) investing activities	(391,384)	(704,270)
Cash flows from financing activities:
Net change in deposits	227,133	592,380
Net change in short-term borrowings	990	(3,231)
Proceeds from long-term borrowings	3,610,415	1,249,037
Payments on long-term borrowings	(3,442,038)	(1,286,920)
Net investment by (distribution to) non-controlling interest	7,081	7,692
Dividends paid on preferred stock	(4,847)	(4,847)
Dividends paid on common stock	(12,595)	(12,515)
Stock compensation tax (expense) benefit	0	(49)
Common shares sold to TCF employee benefit plans	6,446	5,838
Exercise of stock options	(57)	0
Net cash provided by (used in) financing activities	392,528	547,385
Net change in cash and due from banks	(141,019)	(19,184)
Cash and due from banks at beginning of period	609,603	889,337
Cash and due from banks at end of period	468,584	870,153
Cash paid (received) for:
Interest on deposits and borrowings	18,726	20,613
Income taxes, net	18,835	(37,483)
Transfer of loans to other assets	$ 22,182	$ 26,016

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Basis of Presentation (Notes)

3 Months Ended

Mar. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

TCF Financial Corporation (together with its direct and indirect subsidiaries, "we," "us," "our," "TCF" or the "Company"), a Delaware corporation, is a national bank holding company based in Wayzata, Minnesota. References herein to "TCF Financial" or the "Holding Company" refer to TCF Financial Corporation on an unconsolidated basis. TCF's principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in Sioux Falls, South Dakota.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore do not include all of the information and notes necessary for complete financial statements in conformity with U.S. generally accepted accounting principles ("GAAP"). The information in this Quarterly Report on Form 10-Q is written with the presumption that the users of the interim financial statements have read or have access to the Company's most recent Annual Report on Form 10-K, which contains the latest audited financial statements and notes thereto, together with Management's Discussion and Analysis of Financial Condition and Results of Operations at December 31, 2016, and for the year then ended. All significant intercompany accounts and transactions have been eliminated in consolidation. Accounting policies in effect at December 31, 2016 remain significantly unchanged and have been followed similarly as in previous periods.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. These estimates are based on information available to management at the time the estimates are made. Actual results could differ from those estimates. In the opinion of management, the accompanying unaudited consolidated financial statements contain all the significant adjustments, consisting of normal recurring items, considered necessary for fair presentation. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year.

Effective January 1, 2017, the Company adopted Accounting Standards Update ("ASU") No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, which simplified several aspects of the accounting for share-based payment transactions, including income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. As a result of the adoption, the Company recorded a cumulative effect reduction to the opening balance of retained earnings of $1.3 million and a corresponding increase to additional paid-in capital. This cumulative effect adjustment to retained earnings was related to a policy election to account for forfeitures as they occur, thereby eliminating the need for an estimated forfeiture reserve against future cancellations. The adoption of this ASU on a prospective basis requires that tax benefits related to stock compensation be recorded to income tax expense, instead of to additional paid-in capital. The Company elected the prospective basis regarding the presentation of stock compensation tax (expense) benefit in the Consolidated Statement of Cash Flows as an operating activity, and as a result prior periods were not adjusted.

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Cash and Due from Banks

3 Months Ended

Mar. 31, 2017

Cash and Cash Equivalents [Abstract]

Cash and Due from Banks

Cash and Due from Banks

At March 31, 2017 and December 31, 2016, TCF Bank was required by Federal Reserve regulations to maintain reserves of $110.7 million and $103.7 million, respectively, in cash on hand or at the Federal Reserve Bank.

TCF maintains cash balances that are restricted as to their use in accordance with certain contractual agreements primarily related to the sale and servicing of auto finance loans. Cash payments received on loans serviced for third parties are generally held in separate accounts until remitted. TCF may also retain cash balances for collateral on certain borrowings, forward foreign exchange contracts, interest rate contracts and other contracts. TCF maintained restricted cash totaling $52.4 million and $51.3 million at March 31, 2017 and December 31, 2016, respectively.

TCF had cash held in interest-bearing accounts of $218.4 million and $326.5 million at March 31, 2017 and December 31, 2016, respectively.

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Securities Available for Sale and Securities Held to Maturity

3 Months Ended

Mar. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Securities Available for Sale and Securities Held to Maturity

Securities Available for Sale and Securities Held to Maturity

Securities were as follows:

	At March 31, 2017								At December 31, 2016
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	833,058	$	448	$	17,563	$	815,943	$	827,722	$	423	$	17,254	$	810,891
Other	14		—		—		14		18		—		—		18
Obligations of states and political subdivisions	671,409		2,503		13,919		659,993		628,972		394		16,840		612,526
Total securities available for sale	$	1,504,481	$	2,951	$	31,482	$	1,475,950	$	1,456,712	$	817	$	34,094	$	1,423,435
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	173,436	$	3,154	$	514	$	176,076	$	178,514	$	3,072	$	440	$	181,146
Other securities	2,800		—		—		2,800		2,800		—		—		2,800
Total securities held to maturity	$	176,236	$	3,154	$	514	$	178,876	$	181,314	$	3,072	$	440	$	183,946

There were no sales of securities available for sale or impairment charges recognized during the first quarters of 2017 and 2016. At March 31, 2017 and December 31, 2016, mortgage-backed securities with a carrying value of $9.4 million and $7.5 million, respectively, were pledged as collateral to secure certain deposits and borrowings. Unrealized losses on securities available for sale are due to changes in interest rates. TCF has the ability and intent to hold these investments until a recovery of fair value occurs.

TCF recorded noimpairment charges on securities held to maturity for the first quarter of 2017and$0.1 million for the first quarter of 2016.

Gross unrealized losses and fair value of securities available for sale and securities held to maturity aggregated by investment category and the length of time the securities were in a continuous loss position were as follows:

	At March 31, 2017
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	733,539	$	17,563	$	—	$	—	$	733,539	$	17,563
Obligations of states and political subdivisions	437,921		13,919		—		—		437,921		13,919
Total securities available for sale	$	1,171,460	$	31,482	$	—	$	—	$	1,171,460	$	31,482
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	26,036	$	491	$	489	$	23	$	26,525	$	514
Total securities held to maturity	$	26,036	$	491	$	489	$	23	$	26,525	$	514

	At December 31, 2016
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	732,724	$	17,254	$	—	$	—	$	732,724	$	17,254
Obligations of states and political subdivisions	501,620		16,840		—		—		501,620		16,840
Total securities available for sale	$	1,234,344	$	34,094	$	—	$	—	$	1,234,344	$	34,094
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	27,090	$	440	$	—	$	—	$	27,090	$	440
Total securities held to maturity	$	27,090	$	440	$	—	$	—	$	27,090	$	440

The amortized cost and fair value of securities available for sale and securities held to maturity by final contractual maturity were as follows. The remaining contractual principal maturities do not consider possible prepayments. Remaining expected maturities will differ from contractual maturities because borrowers may have the right to prepay.

	At March 31, 2017				At December 31, 2016
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Securities available for sale:
Due in one year or less	$	—	$	—	$	1	$	1
Due in 1-5 years	2,404		2,440		18		18
Due in 5-10 years	353,864		354,044		331,430		329,005
Due after 10 years	1,148,213		1,119,466		1,125,263		1,094,411
Total securities available for sale	$	1,504,481	$	1,475,950	$	1,456,712	$	1,423,435
Securities held to maturity:
Due in one year or less	$	—	$	—	$	—	$	—
Due in 1-5 years	1,400		1,400		1,400		1,400
Due in 5-10 years	1,400		1,400		1,400		1,400
Due after 10 years	173,436		176,076		178,514		181,146
Total securities held to maturity	$	176,236	$	178,876	$	181,314	$	183,946

Interest income attributable to securities available for sale was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Taxable interest income	$	4,654	$	3,818
Tax-exempt interest income	3,326		1,680
Total interest income	$	7,980	$	5,498

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Loans and Leases

3 Months Ended

Mar. 31, 2017

Receivables [Abstract]

Loans and Leases

Loans and Leases

Loans and leases were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate:
First mortgage lien	$	2,166,691	$	2,292,596
Junior lien	2,494,696		2,791,756
Total consumer real estate	4,661,387		5,084,352
Commercial:
Commercial real estate:
Permanent	2,402,702		2,356,287
Construction and development	271,627		277,904
Total commercial real estate	2,674,329		2,634,191
Commercial business	701,721		652,287
Total commercial	3,376,050		3,286,478
Leasing and equipment finance	4,276,008		4,336,310
Inventory finance	2,864,248		2,470,175
Auto finance	2,780,416		2,647,741
Other	16,785		18,771
Total loans and leases(1)	$	17,974,894	$	17,843,827

(1) Loans and leases are reported at historical cost including net direct fees and costs associated with originating and acquiring loans and leases, lease residuals, unearned income and unamortized purchase premiums and discounts. The aggregate amount of these loan and lease adjustments was $56.7 million and $54.1 million at March 31, 2017 and December 31, 2016, respectively.

The following table summarizes the net sales proceeds for consumer real estate and auto finance loans sold, the interest-only strips received, the recorded investment in loans sold, including accrued interest, and the net gains. Included in consumer real estate loans sold in the three months ended March 31, 2017 were $49.4 million of non-accrual loans, which were sold servicing released. There were no auto finance securitizations for the three months ended March 31, 2017 and 2016. TCF generally retains servicing on these sold loans. No servicing assets or liabilities related to consumer real estate or auto finance loans were recorded within TCF's Consolidated Statements of Financial Condition, as the contractual servicing fees are adequate to compensate TCF for its servicing responsibilities based on the amount demanded by the marketplace.

	Three Months Ended March 31, 2017
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	388,690		$	254,164
Interest-only strips, initial value	1,347			—
Recorded investment in loans sold, including accrued interest	(380,762		)	(250,588		)
Net gains(2)	$	9,275		$	3,576
	Three Months Ended March 31, 2016
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	326,961		$	453,747
Interest-only strips, initial value	5,661			4,841
Recorded investment in loans sold, including accrued interest	(322,501		)	(446,365		)
Net gains(2)	$	10,121		$	12,223
(1) Includes transaction fees and other sales related adjustments. (2) Excludes subsequent adjustments and valuation adjustments while held for sale.

Total interest-only strips and the contractual liabilities related to loan sales were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Interest-only strips attributable to:
Consumer real estate loan sales	$	25,418	$	27,260
Auto finance loan sales	10,365		12,892
Contractual liabilities attributable to:
Consumer real estate loan sales	$	986	$	701
Auto finance loan sales	150		168

TCF recorded $579 thousand of impairment charges on the consumer real estate interest-only strips for the three months ended March 31, 2017, compared with none for the same period in 2016. TCF recorded $24 thousand of impairment charges on the auto finance interest-only strips for the three months ended March 31, 2017, compared with $5 thousand for the same period in 2016.

TCF's agreements to sell auto and consumer real estate loans typically contain certain representations, warranties and covenants regarding the loans sold or securitized. These representations, warranties and covenants generally relate to, among other things, the ownership of the loan, the validity, priority and perfection of the lien securing the loan, accuracy of information supplied to the buyer or investor, the loan's compliance with the criteria set forth in the agreement, the manner in which the loans will be serviced, payment delinquency and compliance with applicable laws and regulations. These agreements generally require the repurchase of loans or indemnification in the event TCF breaches these representations, warranties or covenants and such breaches are not cured. In addition, some agreements contain a requirement to repurchase loans as a result of early payoffs by the borrower, early payment default of the borrower, or the failure to obtain valid title. During the three months ended March 31, 2017 and 2016, losses related to repurchases pursuant to such representations, warranties and covenants were immaterial. The majority of such repurchases were of auto finance loans where TCF typically has contractual agreements with the automobile dealerships that originated the loans requiring the dealers to repurchase such contracts from TCF.

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Allowance for Loan and Lease Losses and Credit Quality Information

3 Months Ended

Mar. 31, 2017

Allowance for Loan and Lease Losses and Credit Quality Information

Allowance for Loan and Lease Losses and Credit Quality Information

Allowance for Loan and Lease Losses and Credit Quality Information

The rollforwards of the allowance for loan and lease losses were as follows:

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	59,448		$	32,695		$	21,350		$	13,932		$	32,310		$	534		$	160,269
Charge-offs	(3,452		)	(2,732		)	(2,046		)	(219		)	(8,813		)	(1,640		)	(18,902		)
Recoveries	10,692			65			614			119			1,233			1,090			13,813
Net (charge-offs) recoveries	7,240			(2,667		)	(1,432		)	(100		)	(7,580		)	(550		)	(5,089		)
Provision for credit losses	(8,137		)	3,669			1,386			1,965			12,857			453			12,193
Other	(4,700		)	—			(47		)	19			(2,479		)	—			(7,207		)
Balance, end of period	$	53,851		$	33,697		$	21,257		$	15,816		$	35,108		$	437		$	160,166
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	67,992		$	30,185		$	19,018		$	11,128		$	26,486		$	1,245		$	156,054
Charge-offs	(6,061		)	(28		)	(1,972		)	(641		)	(6,330		)	(1,635		)	(16,667		)
Recoveries	1,290			219			681			385			883			1,303			4,761
Net (charge-offs) recoveries	(4,771		)	191			(1,291		)	(256		)	(5,447		)	(332		)	(11,906		)
Provision for credit losses	5,025			1,171			1,727			2,263			9,065			(409		)	18,842
Other	(1,518		)	—			—			171			(1,569		)	—			(2,916		)
Balance, end of period	$	66,728		$	31,547		$	19,454		$	13,306		$	28,535		$	504		$	160,074

The allowance for loan and lease losses and loans and leases outstanding by type of allowance methodology were as follows:

	At March 31, 2017
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment Finance		Inventory Finance		Auto Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	33,472	$	32,698	$	18,829	$	14,789	$	34,228	$	436	$	134,452
Individually evaluated for impairment	20,379		999		2,428		1,027		880		1		25,714
Total	$	53,851	$	33,697	$	21,257	$	15,816	$	35,108	$	437	$	160,166
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,497,659	$	3,332,256	$	4,258,234	$	2,859,086	$	2,770,956	$	16,780	$	17,734,971
Individually evaluated for impairment	163,728		43,794		17,761		5,162		9,460		5		239,910
Loans acquired with deteriorated credit quality	—		—		13		—		—		—		13
Total	$	4,661,387	$	3,376,050	$	4,276,008	$	2,864,248	$	2,780,416	$	16,785	$	17,974,894

	At December 31, 2016
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment  Finance		Inventory  Finance		Auto  Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	36,103	$	31,430	$	19,093	$	13,304	$	31,106	$	533	$	131,569
Individually evaluated for impairment	23,345		1,265		2,257		628		1,204		1		28,700
Total	$	59,448	$	32,695	$	21,350	$	13,932	$	32,310	$	534	$	160,269
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,884,653	$	3,242,389	$	4,320,129	$	2,465,041	$	2,638,380	$	18,765	$	17,569,357
Individually evaluated for impairment	199,699		44,089		16,165		5,134		9,360		6		274,453
Loans acquired with deteriorated credit quality	—		—		16		—		1		—		17
Total	$	5,084,352	$	3,286,478	$	4,336,310	$	2,470,175	$	2,647,741	$	18,771	$	17,843,827

Accruing and Non-accrual Loans and Leases  TCF's key credit quality indicator is the receivable's payment performance status, defined as accruing or non-accruing. Non-accrual loans and leases are those which management believes have a higher risk of loss. Delinquent balances are determined based on the contractual terms of the loan or lease. TCF's accruing and non-accrual loans and leases were as follows:

	At March 31, 2017
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,083,889	$	3,676	$	2,185	$	2,089,750	$	76,941	$	2,166,691
Junior lien	2,468,517		1,183		—		2,469,700		24,996		2,494,696
Total consumer real estate	4,552,406		4,859		2,185		4,559,450		101,937		4,661,387
Commercial:
Commercial real estate	2,664,062		—		—		2,664,062		10,267		2,674,329
Commercial business	699,291		—		—		699,291		2,430		701,721
Total commercial	3,363,353		—		—		3,363,353		12,697		3,376,050
Leasing and equipment finance	4,258,433		3,939		1,315		4,263,687		12,274		4,275,961
Inventory finance	2,858,986		87		13		2,859,086		5,162		2,864,248
Auto finance	2,770,028		1,942		1,536		2,773,506		6,909		2,780,415
Other	16,775		2		6		16,783		2		16,785
Subtotal	17,819,981		10,829		5,055		17,835,865		138,981		17,974,846
Portfolios acquired with deteriorated credit quality	48		—		—		48		—		48
Total	$	17,820,029	$	10,829	$	5,055	$	17,835,913	$	138,981	$	17,974,894

	At December 31, 2016
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,177,746	$	6,581	$	2,144	$	2,186,471	$	106,125	$	2,292,596
Junior lien	2,744,006		1,404		—		2,745,410		46,346		2,791,756
Total consumer real estate	4,921,752		7,985		2,144		4,931,881		152,471		5,084,352
Commercial:
Commercial real estate	2,628,627		—		—		2,628,627		5,564		2,634,191
Commercial business	651,932		—		—		651,932		355		652,287
Total commercial	3,280,559		—		—		3,280,559		5,919		3,286,478
Leasing and equipment finance	4,320,795		3,478		1,045		4,325,318		10,880		4,336,198
Inventory finance	2,464,986		16		39		2,465,041		5,134		2,470,175
Auto finance	2,634,600		3,785		2,317		2,640,702		7,038		2,647,740
Other	18,748		14		6		18,768		3		18,771
Subtotal	17,641,440		15,278		5,551		17,662,269		181,445		17,843,714
Portfolios acquired with deteriorated credit quality	113		—		—		113		—		113
Total	$	17,641,553	$	15,278	$	5,551	$	17,662,382	$	181,445	$	17,843,827

Interest income recognized on loans and leases in non-accrual status and contractual interest that would have been recorded had the loans and leases performed in accordance with their original contractual terms were as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Contractual interest due on non-accrual loans and leases	$	4,498	$	5,267
Interest income recognized on non-accrual loans and leases	1,056		966
Unrecognized interest income	$	3,442	$	4,301

Consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged, dismissed or completed were as follows: 

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	12,492	$	13,675
Non-accrual	15,494		21,372
Total consumer real estate loans to customers in bankruptcy	$	27,986	$	35,047

Loan Modifications for Borrowers with Financial Difficulties  Included within loans and leases in the previous tables are certain loans that have been modified in order to maximize collection of loan balances. If, for economic or legal reasons related to the customer's financial difficulties, TCF grants a concession, the modified loan is classified as a troubled debt restructuring ("TDR") loan. All loans classified as TDR loans are considered to be impaired. TDR loans consist primarily of consumer real estate and commercial loans.

Total TDR loans at March 31, 2017 and December 31, 2016 were $175.6 million and $207.4 million, respectively, of which $117.4 million and $126.0 million, respectively, were accruing. TCF held consumer real estate TDR loans of $138.1 million and $170.6 million at March 31, 2017 and December 31, 2016, respectively, of which $96.3 million and $98.6 million, respectively, were accruing. TCF also held $22.5 million of commercial TDR loans at both March 31, 2017 and December 31, 2016, of which $13.4 million and $20.3 million, respectively, were accruing. TDR loans for the remaining classes of finance receivables were not material at March 31, 2017 or December 31, 2016.

Unfunded commitments to consumer real estate and commercial loans classified as TDRs were $0.5 million and $0.4 million at March 31, 2017 and December 31, 2016, respectively. At March 31, 2017 and December 31, 2016, no additional funds were committed to leasing and equipment finance, inventory finance or auto finance loans classified as TDRs.

Unrecognized interest represents the difference between interest income recognized on accruing TDR loans and the contractual interest that would have been recorded under the original contractual terms. For the three months ended March 31, 2017 and 2016, unrecognized interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $0.5 million and $0.2 million, respectively. The average yield for the three months ended March 31, 2017 on consumer real estate accruing TDR loans was 4.2%, which compares to the original contractual average rate of 6.6%. The average yield for the the three months ended March 31, 2016 on consumer real estate accruing TDR loans was 4.1%, which compares to the original contractual average rate of 6.7%. The unrecognized interest income for the remaining classes of finance receivables was not material for the three months ended March 31, 2017 and 2016.

TCF considers a loan to have defaulted when under the modified terms it becomes 90 or more days delinquent, has been transferred to non-accrual status, has been charged down or has been transferred to other real estate owned or repossessed and returned assets. The following table summarizes the TDR loans that defaulted during the three months ended March 31, 2017 and 2016, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. The increase in commercial loans that defaulted during the three months ended March 31, 2017 was primarily due to the transfer of three commercial loans to non-accrual status.

	Three Months Ended March 31,
(In thousands)	2017		2016
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	368	$	—
Junior lien	112		44
Total consumer real estate	480		44
Commercial:
Commercial real estate	6,681		—
Commercial business	3,353		—
Total commercial	10,034		—
Leasing and equipment finance	407		—
Auto finance	302		466
Defaulted TDR loans modified during the applicable period	$	11,223	$	510

(1) The loan balances presented are not materially different than the pre-modification loan balances as TCF's loan modifications generally do not forgive principal amounts.

Consumer real estate TDR loans are evaluated separately in TCF's allowance methodology. Impairment is generally based upon the present value of the expected future cash flows discounted at the loan's initial effective interest rate, unless the loans are collateral dependent, in which case loan impairment is based upon the fair value of the collateral less selling expenses. The allowance on accruing consumer real estate TDR loans was $18.8 million, or 19.5% of the outstanding balance, at March 31, 2017, and $19.3 million, or 19.6% of the outstanding balance, at December 31, 2016. In determining impairment for consumer real estate accruing TDR loans, TCF utilized assumed remaining re-default rates ranging from 10% to 33% in both 2017 and 2016, depending on modification type and actual experience. At March 31, 2017, 0.9% of accruing consumer real estate TDR loans were more than 60 days delinquent, compared with 1.5% at December 31, 2016.

Consumer real estate TDR loans generally remain on accruing status following modification if they are less than 90 days past due and payment in full under the modified terms of the loan is expected based on a current credit evaluation and historical payment performance. Of the non-accrual TDR balance at March 31, 2017, $26.2 million, or 62.7%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed by the borrower, of which 70.0% were current. Of the non-accrual TDR balance at December 31, 2016, $47.4 million, or 65.9%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed, of which 82.2% were current. All eligible loans are re-aged to current delinquency status upon modification.

Commercial TDR loans are individually evaluated for impairment based upon the present value of the expected future cash flows discounted at the loan's initial effective interest rate, unless the loans are collateral dependent, in which case impairment is based upon the fair value of collateral less estimated selling costs; however if payment or satisfaction of the loan is dependent on the operation, rather than the sale of the collateral, the impairment does not include selling costs. The allowance on accruing commercial TDR loans was less than $0.1 million, or less than 0.1% of the outstanding balance, at March 31, 2017, and $1.1 million, or 5.6% of the outstanding balance, at December 31, 2016. No accruing commercial TDR loans were 60 days or more delinquent at March 31, 2017 and December 31, 2016.

Impaired Loans  TCF considers impaired loans to include non-accrual commercial loans, non-accrual equipment finance loans and non-accrual inventory finance loans, as well as all TDR loans. Non-accrual impaired loans, including non-accrual TDR loans, are included in non-accrual loans and leases within the previous tables. Accruing TDR loans have been disclosed by delinquency status within the previous tables of accruing and non-accrual loans and leases. In the following tables, the loan balance of impaired loans represents the amount recorded within loans and leases on the Consolidated Statements of Financial Condition, whereas the unpaid contractual balance represents the balances legally owed by the borrowers.

Information on impaired loans was as follows:

	At March 31, 2017						At December 31, 2016
(In thousands)	Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded		Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	100,409	$	87,992	$	15,410	$	122,704	$	104,601	$	16,835
Junior lien	40,710		36,244		4,813		62,481		51,410		5,829
Total consumer real estate	141,119		124,236		20,223		185,185		156,011		22,664
Commercial:
Commercial real estate	3,393		3,394		120		10,083		10,075		1,262
Commercial business	3,099		2,089		879		14		14		3
Total commercial	6,492		5,483		999		10,097		10,089		1,265
Leasing and equipment finance	11,342		11,342		1,169		9,900		9,900		1,044
Inventory finance	4,646		4,655		1,027		4,357		4,365		628
Auto finance	5,151		4,798		795		5,801		5,419		1,126
Other	5		5		1		6		6		1
Total impaired loans with an allowance recorded	168,755		150,519		24,214		215,346		185,790		26,728
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	17,007		12,010		—		18,539		12,674		—
Junior lien	18,564		1,884		—		26,915		1,882		—
Total consumer real estate	35,571		13,894		—		45,454		14,556		—
Commercial:
Commercial real estate	27,690		20,092		—		21,601		15,780		—
Commercial business	504		504		—		354		354		—
Total commercial	28,194		20,596		—		21,955		16,134		—
Inventory finance	506		507		—		767		769		—
Auto finance	4,513		2,771		—		3,919		2,408		—
Other	88		—		—		85		—		—
Total impaired loans without an allowance recorded	68,872		37,768		—		72,180		33,867		—
Total impaired loans	$	237,627	$	188,287	$	24,214	$	287,526	$	219,657	$	26,728

The average loan balance of impaired loans and interest income recognized on impaired loans were as follows:

	Three Months Ended March 31,
	2017				2016
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	96,979	$	725	$	123,115	$	835
Junior lien	43,827		446		58,035		630
Total consumer real estate	140,806		1,171		181,150		1,465
Commercial:
Commercial real estate	6,733		16		5,645		33
Commercial business	1,052		48		16		—
Total commercial	7,785		64		5,661		33
Leasing and equipment finance	10,620		3		7,794		13
Inventory finance	4,510		52		1,579		16
Auto finance	5,109		46		7,460		18
Other	6		—		10		—
Total impaired loans with an allowance recorded	168,836		1,336		203,654		1,545
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	12,342		318		3,045		52
Junior lien	1,883		252		510		148
Total consumer real estate	14,225		570		3,555		200
Commercial:
Commercial real estate	17,936		174		23,820		251
Commercial business	429		—		3,881		—
Total commercial	18,365		174		27,701		251
Inventory finance	638		44		220		11
Auto finance	2,590		—		1,602		—
Total impaired loans without an allowance recorded	35,818		788		33,078		462
Total impaired loans	$	204,654	$	2,124	$	236,732	$	2,007

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Long-term Borrowings

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Long-term Borrowings

Long-term Borrowings

Long-term borrowings were as follows:

		At March 31, 2017								At December 31, 2016
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount			Stated Rate
Federal Home Loan Bank advances	2018	$	100,000					0.99	%	$	375,000		0.72	%	-	0.81	%
	2019	750,000			0.99	%	-	1.04		300,000			0.78		-	0.81
Subtotal		850,000								675,000
Subordinated bank notes	2022	108,706						6.25		108,654						6.25
	2025	148,101						4.60		148,052						4.60
Hedge-related basis adjustment(1)		(1,862		)						(1,349		)
Subtotal		254,945								255,357
Discounted lease rentals	2017	42,108			2.45		-	7.88		57,081			2.45		-	7.88
	2018	44,807			2.55		-	7.95		42,132			2.55		-	7.95
	2019	27,320			2.53		-	6.00		24,671			2.53		-	6.00
	2020	13,383			2.64		-	6.90		11,753			2.64		-	6.90
	2021	5,572			2.88		-	5.00		4,423			2.88		-	4.57
	2022	246			3.95		-	5.17		—						—
Subtotal		133,436								140,060
Other long-term borrowings	2017	2,774						1.36		2,764						1.36
Total long-term borrowings		$	1,241,155							$	1,073,181

(1) Related to subordinated bank notes with a stated maturity of 2025.

At March 31, 2017, TCF Bank had pledged loans secured by consumer and commercial real estate and Federal Home Loan Bank ("FHLB") stock with an aggregate carrying value of $4.4 billion as collateral for FHLB advances. At March 31, 2017, $850.0 million of the FHLB advances outstanding were prepayable at TCF's option.

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Regulatory Capital Requirements

3 Months Ended

Mar. 31, 2017

Regulatory Capital Requirements [Abstract]

Regulatory Capital Requirements

Regulatory Capital Requirements

TCF and TCF Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory, and possible additional discretionary, actions by the federal banking agencies that could have a material adverse effect on TCF. In general, TCF Bank may not declare or pay a dividend to TCF Financial in excess of 100% of its net retained earnings for the current year combined with its net retained earnings for the preceding two calendar years, which was $361.2 million at March 31, 2017, without prior approval of the Office of the Comptroller of the Currency ("OCC"). The OCC also has the authority to prohibit the payment of dividends by a national bank when it determines such payments would constitute an unsafe and unsound banking practice. TCF Bank's ability to make capital distributions in the future may require regulatory approval and may be restricted by its regulatory authorities. TCF Bank's ability to make any such distributions will also depend on its earnings and ability to meet minimum regulatory capital requirements in effect during future periods. In the future, these capital adequacy standards may be higher than existing minimum regulatory capital requirements.

Regulatory capital information for TCF and TCF Bank was as follows:

	TCF						TCF Bank
	At March 31,			At December 31,			At March 31,			At December 31,			Well-capitalized Standard		Minimum Capital Requirement(1)
(Dollars in thousands)	2017			2016			2017			2016
Regulatory Capital:
Common equity Tier 1 capital	$	2,003,988		$	1,970,323		$	2,182,487		$	2,144,966
Tier 1 capital	2,288,736			2,248,221			2,209,038			2,162,128
Total capital	2,667,204			2,635,925			2,630,339			2,583,512
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	10.11		%	10.24		%	11.01		%	11.14		%	6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.55			11.68			11.15			11.23			8.00		6.00
Total risk-based capital ratio	13.46			13.69			13.27			13.42			10.00		8.00
Tier 1 leverage ratio	10.64			10.73			10.27			10.32			5.00		4.00

(1) Excludes capital conservation buffer of 1.25% and 0.625% as of March 31, 2017 and December 31, 2016.

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Stock Compensation

3 Months Ended

Mar. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Compensation

Stock Compensation

TCF's restricted stock award and stock option transactions under the TCF Financial 2015 Omnibus Incentive Plan ("Omnibus Incentive Plan") and the TCF Financial Incentive Stock Program ("Incentive Stock Program") during the three months ended March 31, 2017 were as follows:

	Restricted Stock Awards									Stock Options
	Shares		Grant Date Fair Value Range					Weighted- average Grant Date Fair Value		Shares		Exercise Price Range					Weighted- average Remaining Contractual Life in Years	Weighted- average Exercise Price
Outstanding at December 31, 2016	3,536,175		$	7.73	-	$	16.28	$	12.81	404,000		$	15.75	-	$	15.75	1.06	$	15.75
Granted	134,621		18.47		-	18.58		18.58		—		—		-	—		—	—
Exercised	—		—		-	—		—		(38,000	)	15.75		-	15.75		—	15.75
Forfeited/canceled	(399,042	)	7.73		-	15.74		10.32		—		—		-	—		—	—
Vested	(578,843	)	9.36		-	16.02		14.82		—		—		-	—		—	—
Outstanding at March 31, 2017	2,692,911		7.73		-	18.58		13.04		366,000		15.75		-	15.75		0.81	15.75
Exercisable at March 31, 2017	N.A.							N.A.		366,000		15.75		-	15.75			15.75

N.A. Not Applicable.

At March 31, 2017, there were 350,000 shares of performance-based restricted stock awards outstanding that will vest only if certain performance goals and service conditions are achieved. Failure to achieve the performance goals and service conditions will result in all or a portion of the shares being forfeited.

Unrecognized stock compensation expense for restricted stock awards was $22.2 million with a weighted-average remaining amortization period of 1.8 years at March 31, 2017.

At March 31, 2017, there were 360,988 performance-based restricted stock units granted under the Omnibus Incentive Plan that will vest only if certain performance goals are achieved. The number of restricted stock units granted was at target and the actual restricted stock units granted will depend on actual performance with a maximum total payout of 150% of target. Failure to achieve the performance goals will result in all or a portion of the restricted stock units being forfeited. None of the performance-based restricted stock units have vested. The remaining weighted-average performance period of the restricted stock units was 2.4 years at March 31, 2017.

Compensation expense for restricted stock awards and restricted stock units was $1.9 million and $2.3 million for the three months ended March 31, 2017 and 2016, respectively.

The valuation assumptions for stock options granted in 2008 under the Incentive Stock Program have not changed significantly from December 31, 2016 andno stock options have subsequently been granted under the Incentive Stock Program. TCF also has the ability to grant stock options under the Omnibus Incentive Plan. As of March 31, 2017, no stock options had been granted under the Omnibus Incentive Plan.

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Employee Benefit Plans

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The net periodic benefit plan (income) cost included in compensation and employee benefits expense for the TCF Cash Balance Pension Plan (the "Pension Plan") and health care benefits for eligible retired employees (the "Postretirement Plan") for the three months ended March 31, 2017 and 2016 was as follows:

	Pension Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	285		$	320
(Gain) loss on plan assets	(142		)	(146		)
Net periodic benefit plan (income) cost	$	143		$	174

	Postretirement Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	34		$	38
Amortization of prior service cost	(12		)	(12		)
Net periodic benefit plan (income) cost	$	22		$	26

TCF made no cash contributions to the Pension Plan in either of the three months ended March 31, 2017 or 2016. During both the three months ended March 31, 2017 and 2016, TCF contributed $0.1 million to the Postretirement Plan.

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Derivative Instruments

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

Derivative instruments were as follows:

	At March 31, 2017
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	442	$	(122	)	$	320
Derivatives not designated as hedges:
Forward foreign exchange contracts	45,054		71		—			71
Interest rate contracts	159,766		1,032		—			1,032
Interest rate lock commitments	27,118		464		—			464
Total derivative assets			$	2,009	$	(122	)	$	1,887
Derivative Liabilities:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	64,652	$	661	$	(540	)	$	121
Derivatives not designated as hedges:
Forward foreign exchange contracts	293,752		1,512		(1,054		)	458
Interest rate contracts	159,766		848		(122		)	726
Other contracts	13,804		541		(541		)	—
Interest rate lock commitments	151		—		—			—
Total derivative liabilities			$	3,562	$	(2,257	)	$	1,305
	At December 31, 2016
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	61,760	$	1,082	$	—		$	1,082
Derivatives not designated as hedges:
Forward foreign exchange contracts	250,018		2,995		(1,439		)	1,556
Interest rate contracts	149,499		1,925		(633		)	1,292
Interest rate lock commitments	27,954		318		—			318
Total derivative assets			$	6,320	$	(2,072	)	$	4,248
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	1,320	$	(1,320	)	$	—
Derivatives not designated as hedges:
Forward foreign exchange contracts	115,336		469		(445		)	24
Interest rate contracts	149,499		1,936		(1,332		)	604
Other contracts	13,804		619		(619		)	—
Interest rate lock commitments	2,947		21		—			21
Total derivative liabilities			$	4,365	$	(3,716	)	$	649

The pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income was as follows:

		Three Months Ended March 31,
(In thousands)	Income Statement Location	2017			2016
Consolidated Statements of Income:
Fair value hedges:
Interest rate contracts	Other non-interest income	$	(501	)	$	7,253
Non-derivative hedged items	Other non-interest income	513			(6,371		)
Not designated as hedges:
Forward foreign exchange contracts	Other non-interest expense	(3,259		)	(26,572		)
Interest rate lock commitments	Gains on sales of consumer real estate loans, net	167			(176		)
Interest rate contracts	Other non-interest income	(9		)	(91		)
Other contracts	Other non-interest expense	—			(85		)
Net gain (loss) recognized		$	(3,089	)	$	(26,042	)
Consolidated Statements of Comprehensive Income:
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(504	)	$	(3,257	)
Net unrealized gain (loss)		$	(504	)	$	(3,257	)

TCF executes all of its forward foreign exchange contracts in the over-the-counter market with large financial institutions pursuant to International Swaps and Derivatives Association, Inc. agreements. These agreements include credit risk-related features that enhance the creditworthiness of these instruments as compared with other obligations of the respective counterparty with whom TCF has transacted by requiring that additional collateral be posted under certain circumstances. The amount of collateral required depends on the contract and is determined daily based on market and currency exchange rate conditions.

At March 31, 2017, credit risk-related contingent features existed on forward foreign exchange contracts with a notional value of $63.8 million. In the event TCF is rated less than BB- by Standard and Poor's, the contracts could be terminated or TCF may be required to provide approximately $1.3 million in additional collateral. There were $0.2 million of forward foreign exchange contracts containing credit risk-related features in a net liability position at March 31, 2017.

At March 31, 2017, TCF had posted $6.0 million, $1.4 million and $1.6 million of cash collateral related to its interest rate contracts, other contracts and forward foreign exchange contracts, respectively.

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Fair Values Disclosures

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Disclosures

Fair Value Disclosures

TCF uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The Company's fair values are based on the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Securities available for sale, certain loans held for sale, interest-only strips, forward foreign exchange contracts, interest rate contracts, interest rate lock commitments, forward loan sales commitments, assets and liabilities held in trust for deferred compensation plans and other contracts are recorded at fair value on a recurring basis. From time to time we may be required to record at fair value other assets on a non-recurring basis, such as certain securities held to maturity, loans, other real estate owned, repossessed and returned assets and the securitization receivable. These non-recurring fair value adjustments typically involve application of lower of cost or fair value accounting or write-downs of individual assets.

TCF groups its assets and liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the degree and reliability of estimates and assumptions used to determine fair value as follows: Level 1, which includes valuations that are based on prices obtained from independent pricing sources for the same instruments traded in active markets; Level 2, which includes valuations that are based on prices obtained from independent pricing sources that are based on observable transactions of similar instruments, but not quoted markets; and Level 3, for which valuations are generated from Company model-based techniques that use significant unobservable inputs. Such unobservable inputs reflect estimates of assumptions that market participants would use in pricing the asset or liability.

The following is a discussion of the valuation methodologies used to record assets and liabilities at fair value on a recurring or non-recurring basis and for estimating fair value of financial instruments not recorded at fair value.

Investments The carrying value of investments in FHLB stock and Federal Reserve Bank stock, categorized as Level 2, approximates fair value based on redemption at par value.

Securities Held to Maturity Securities held to maturity consist primarily of securities of U.S. Government sponsored enterprises and federal agencies. The fair value of securities of U.S. Government sponsored enterprises and federal agencies, categorized as Level 2, is estimated using prices obtained from independent asset pricing services that are based on observable transactions, but not quoted markets. Management reviews the prices obtained from independent asset pricing services for unusual fluctuations and comparisons to current market trading activity. The fair value of other securities, categorized as Level 3, is estimated using probability of loss based on risk rating definitions. There is no observable secondary market for these securities.

Securities Available for Sale Securities available for sale consist primarily of securities of U.S. Government sponsored enterprises and federal agencies, and obligations of states and political subdivisions. The fair value of these securities, categorized as Level 2, is recorded using prices obtained from independent asset pricing services that are based on observable transactions, but not quoted markets. Management reviews the prices obtained from independent asset pricing services for unusual fluctuations and comparisons to current market trading activity.

Loans Held for Sale Loans held for sale are generally carried at the lower of cost or fair value. Estimated fair values are based upon recent loan sale transactions and any available price quotes on loans with similar coupons, maturities and credit quality. Certain other loans held for sale are recorded at fair value under the elected fair value option. TCF relies on internal valuation models which utilize quoted investor prices to estimate the fair value of these loans. Loans held for sale are categorized as Level 3.

Loans The fair value of loans, categorized as Level 3, is estimated based on discounted expected cash flows and recent sales of similar loans. The discounted cash flows include assumptions for prepayment estimates over each loan's remaining life, consideration of the current interest rate environment compared with the weighted-average rate of each portfolio, a credit risk component based on the historical and expected performance of each portfolio and a liquidity adjustment related to the current market environment. TCF also uses pricing data from recent sales of loans with similar risk characteristics as data points to validate the assumptions used in estimating the fair value of certain loans.

Loans for which repayment is expected to be provided solely by the value of the underlying collateral, categorized as Level 3 and recorded at fair value on a non-recurring basis, are valued based on the fair value of that collateral less estimated selling costs. Such loans include non-accrual impaired loans as well as certain delinquent non-accrual consumer real estate and auto finance loans. The fair value of the collateral is determined based on internal estimates and assessments provided by third-party appraisers.

Interest-only Strips The fair value of interest-only strips, categorized as Level 3, represents the present value of future cash flows expected to be received by TCF on certain assets. TCF uses available market data, along with its own empirical data and discounted cash flow models, to arrive at the estimated fair value of its interest-only strips. The present value of the estimated expected future cash flows to be received is determined by using discount, loss and prepayment rates that TCF believes are commensurate with the risks associated with the cash flows and what a market participant would use. These assumptions are inherently subject to volatility and uncertainty and, as a result, the estimated fair value of the interest-only strips may fluctuate significantly from period to period.

Forward Foreign Exchange Contracts TCF's forward foreign exchange contracts are currency contracts executed in over-the-counter markets and are recorded at fair value using a cash flow model that includes key inputs such as foreign exchange rates and an assessment of the risk of counterparty non-performance. The risk of counterparty non-performance is based on external assessments of credit risk. The fair value of these contracts, categorized as Level 2, is based on observable transactions, but not quoted markets.

Interest Rate Contracts TCF executes interest rate swap agreements with commercial banking customers to facilitate the customer's risk management strategy. These interest rate swaps are simultaneously hedged by offsetting interest rate swaps TCF executes with a third party, minimizing TCF's net interest rate risk exposure resulting from such transactions. TCF also has an interest rate swap agreement to convert its $150.0 million of fixed-rate subordinated notes to floating rate debt. These derivative instruments are recorded at fair value. The fair value of these swap agreements, categorized as Level 2, is determined using a cash flow model which considers the forward curve, the discount curve and credit valuation adjustments related to counterparty and/or borrower non-performance risk.

Interest Rate Lock Commitments and Forward Loan Sales Commitments TCF's interest rate lock commitments are derivative instruments that are carried at fair value. The related forward loan sales commitments to sell the resulting loans held for sale are also recorded at fair value under the elected fair value option. TCF relies on internal valuation models to estimate the fair value of these instruments. The valuation models utilize estimated rates of successful loan closings and quoted investor prices. While these models use both Level 2 and 3 inputs, TCF has determined that the majority of the inputs significant in the valuation of these commitments fall within Level 3 and therefore they are categorized as Level 3.

Other Real Estate Owned and Repossessed and Returned Assets The fair value of other real estate owned, categorized as Level 3, is based on independent appraisals, real estate brokers' price opinions or automated valuation methods, less estimated selling costs. Certain properties require assumptions that are not observable in an active market in the determination of fair value. The fair value of repossessed and returned assets is based on available pricing guides, auction results or price opinions, less estimated selling costs. Assets acquired through foreclosure, repossession or returned to TCF are initially recorded at the lower of the loan or lease carrying amount or fair value less estimated selling costs at the time of transfer to other real estate owned or repossessed and returned assets. Other real estate owned at March 31, 2017 and December 31, 2016 was $32.0 million and $46.8 million, respectively. Repossessed and returned assets at March 31, 2017 and December 31, 2016 was $9.4 million and $10.0 million, respectively. Other real estate owned and repossessed and returned assets were written down $1.7 million and $2.9 million, which was included in foreclosed real estate and repossessed assets, net expense for the three months ended March 31, 2017 and 2016, respectively.

Securitization Receivable TCF executed an auto finance loan securitization during the second quarter of 2016 with a related receivable representing a cash reserve account posted at the inception of the securitization. The fair value of the securitization receivable, categorized as Level 3, is estimated based on discounted cash flows using interest rates for borrowings of similar remaining maturities plus a spread based on management's judgment.

Assets and Liabilities Held in Trust for Deferred Compensation Plans Assets held in trust for deferred compensation plans include investments in publicly traded securities, excluding TCF common stock reported in treasury and other equity, and U.S. Treasury notes. The fair value of these assets, categorized as Level 1, is based upon prices obtained from independent asset pricing services based on active markets. The fair value of the liabilities equals the fair value of the assets.

Other Contracts TCF has a swap agreement related to the sale of TCF's Visa Class B stock, categorized as Level 3. The fair value of the swap agreement is based upon TCF's estimated exposure related to the Visa covered litigation through a probability analysis of the funding and estimated settlement amounts.

Deposits The fair value of checking, savings and money market deposits, categorized as Level 1, is deemed equal to the amount payable on demand. The fair value of certificates of deposit, categorized as Level 2, is estimated based on discounted cash flows using currently offered market rates. The intangible value of long-term relationships with depositors is not taken into account in the fair values disclosed.

Long-term Borrowings The fair value of TCF's long-term borrowings, categorized as Level 2, is estimated based on observable market prices and discounted cash flows using interest rates for borrowings of similar remaining maturities and characteristics. The fair value of other long-term borrowings, categorized as Level 3, is based on unobservable inputs determined at the time of origination.

Financial Instruments with Off-Balance Sheet Risk The fair value of TCF's commitments to extend credit and standby letters of credit, categorized as Level 2, is estimated using fees currently charged to enter into similar agreements. Substantially all commitments to extend credit and standby letters of credit have floating interest rates and do not expose TCF to interest rate risk; therefore fair value is approximately equal to carrying value.

The balances of assets and liabilities measured at fair value on a recurring and non-recurring basis were as follows:

	Fair Value Measurements at March 31, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	815,943	$	—	$	815,943
Other	—		—		14		14
Obligations of states and political subdivisions	—		659,993		—		659,993
Loans held for sale	—		—		3,362		3,362
Interest-only strips	—		—		35,783		35,783
Forward foreign exchange contracts(1)	—		71		—		71
Interest rate contracts(1)	—		1,474		—		1,474
Interest rate lock commitments(1)	—		—		464		464
Forward loan sales commitments	—		—		14		14
Assets held in trust for deferred compensation plans	24,621		—		—		24,621
Total assets	$	24,621	$	1,477,481	$	39,637	$	1,541,739
Forward foreign exchange contracts(1)	$	—	$	2,173	$	—	$	2,173
Interest rate contracts(1)	—		848		—		848
Forward loan sales commitments	—		—		106		106
Liabilities held in trust for deferred compensation plans	24,621		—		—		24,621
Other contracts(1)	—		—		541		541
Total liabilities	$	24,621	$	3,021	$	647	$	28,289
Non-recurring Fair Value Measurements:
Loans	$	—	$	—	$	91,144	$	91,144
Other real estate owned:
Consumer	—		—		19,536		19,536
Commercial	—		—		3,600		3,600
Repossessed and returned assets	—		3,307		2,877		6,184
Total non-recurring fair value measurements	$	—	$	3,307	$	117,157	$	120,464

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

	Fair Value Measurements at December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	810,891	$	—	$	810,891
Other	—		—		18		18
Obligations of states and political subdivisions	—		612,526		—		612,526
Loans held for sale	—		—		6,498		6,498
Interest-only strips	—		—		40,152		40,152
Forward foreign exchange contracts(1)	—		4,077		—		4,077
Interest rate contracts(1)	—		1,925		—		1,925
Interest rate lock commitments(1)	—		—		318		318
Forward loan sales commitments	—		—		374		374
Assets held in trust for deferred compensation plans	23,363		—		—		23,363
Total assets	$	23,363	$	1,429,419	$	47,360	$	1,500,142
Forward foreign exchange contracts(1)	$	—	$	469	$	—	$	469
Interest rate contracts(1)	—		3,256		—		3,256
Interest rate lock commitments(1)	—		—		21		21
Forward loan sales commitments	—		—		13		13
Liabilities held in trust for deferred compensation plans	23,363		—		—		23,363
Other contracts(1)	—		—		619		619
Total liabilities	$	23,363	$	3,725	$	653	$	27,741
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	2,400	$	2,400
Loans	—		—		113,954		113,954
Other real estate owned:
Consumer	—		—		25,751		25,751
Commercial	—		—		3,874		3,874
Repossessed and returned assets	—		2,767		2,800		5,567
Total non-recurring fair value measurements	$	—	$	2,767	$	148,779	$	151,546

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

Management assesses the appropriate classification of financial assets and liabilities within the fair value hierarchy by monitoring the level of available observable market information. Changes in markets or economic conditions, as well as changes to Company valuation models may require the transfer of financial instruments from one fair value level to another. Such transfers, if any, are recorded at the fair values as of the beginning of the quarter in which the transfer occurred. TCF had no transfers in the three months ended March 31, 2017 and 2016.

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows:

(In thousands)	Securities Available for Sale			Loans Held for Sale			Interest-only Strips			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended March 31, 2017:
Asset (liability) balance, beginning of period	$	18		$	6,498		$	40,152		$	297		$	361		$	(619	)
Total net gains (losses) included in:
Net income	—			104			1,113			167			(453		)	—
Other comprehensive income (loss)	—			—			(328		)	—			—			—
Sales	—			(46,714		)	—			—			—			—
Originations	—			43,479			1,347			—			—			—
Principal paydowns / settlements	(4		)	(5		)	(6,501		)	—			—			78
Asset (liability) balance, end of period	$	14		$	3,362		$	35,783		$	464		$	(92	)	$	(541	)
At or For the Three Months Ended March 31, 2016:
Asset (liability) balance, beginning of period	$	34		$	10,568		$	44,332		$	716		$	265		$	(305	)
Total net gains (losses) included in:
Net income	—			138			1,465			(176		)	(234		)	(85		)
Sales	—			(79,231		)	—			—			—			—
Originations	—			74,092			10,502			—			—			—
Principal paydowns / settlements	(6		)	—			(7,572		)	—			—			79
Asset (liability) balance, end of period	$	28		$	5,567		$	48,727		$	540		$	31		$	(311	)

Fair Value Option

TCF Bank originates first mortgage lien loans in its primary banking markets and sells the loans through a correspondent relationship. TCF elected the fair value option for these loans. This election facilitates the offsetting of changes in fair values of the loans held for sale and the derivative financial instruments used to economically hedge them. The difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale was as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Fair value carrying amount	$	3,362	$	6,498
Aggregate unpaid principal amount	3,297		6,563
Fair value carrying amount less aggregate unpaid principal	$	65	$	(65	)

Differences between the fair value carrying amount and the aggregate unpaid principal balance include changes in fair value recorded at and subsequent to funding and gains and losses on the related loan commitment prior to funding. No loans recorded under the fair value option were delinquent or on non-accrual status at March 31, 2017 or December 31, 2016. The net gain from initial measurement of the correspondent lending loans held for sale, any subsequent changes in fair value while the loans are outstanding and any actual adjustment to the gains realized upon sales of the loans totaled $1.1 million and $1.9 million for the three months ended March 31, 2017 and 2016, respectively, and is included in gains on sales of consumer real estate loans, net. This amount excludes the impact from the interest rate lock commitments and forward loan sales commitments which are also included in gains on sales of consumer real estate loans, net.

Disclosures About Fair Value of Financial Instruments

Management discloses the estimated fair value of financial instruments, both assets and liabilities on and off the balance sheet, for which it is practicable to estimate fair value. These fair value estimates were made at March 31, 2017 and December 31, 2016, based on relevant market information and information about the financial instruments. Fair value estimates are intended to represent the price at which an asset could be sold or a liability could be settled. However, given there is no active market or observable market transactions for many of the Company's financial instruments, the estimates of fair values are subjective in nature, involve uncertainties and include matters of significant judgment. Changes in assumptions could significantly affect the estimated values.

The carrying amounts and estimated fair values of the Company's financial instruments, excluding short-term financial assets and liabilities as their carrying amounts approximate fair value and excluding financial instruments recorded at fair value on a recurring basis were as follows. This information represents only a portion of TCF's balance sheet and not the estimated value of the Company as a whole. Non-financial instruments such as the intangible value of TCF's branches and core deposits, leasing operations, goodwill, premises and equipment and the future revenues from TCF's customers are not reflected in this disclosure. Therefore, this information is of limited use in assessing the value of TCF.

	Carrying Amount			Estimated Fair Value at March 31, 2017
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	81,717		$	—	$	81,717		$	—	$	81,717
Securities held to maturity	176,236			—		176,076			2,800		178,876
Loans held for sale	604,714			—		—			633,698		633,698
Loans:
Consumer real estate	4,661,387			—		—			4,740,497		4,740,497
Commercial real estate	2,674,329			—		—			2,628,356		2,628,356
Commercial business	701,721			—		—			676,776		676,776
Equipment finance	1,986,353			—		—			1,957,281		1,957,281
Inventory finance	2,864,248			—		—			2,845,408		2,845,408
Auto finance	2,780,416			—		—			2,782,533		2,782,533
Other	16,785			—		—			15,172		15,172
Allowance for loan losses(1)	(160,166		)	—		—			—		—
Securitization receivable(2)	18,929			—		—			18,929		18,929
Total financial instrument assets	$	16,406,669		$	—	$	257,793		$	16,301,450	$	16,559,243
Financial instrument liabilities:
Deposits	$	17,465,590		$	13,371,039	$	4,114,574		$	—	$	17,485,613
Long-term borrowings	1,241,155			—		1,243,163			2,774		1,245,937
Total financial instrument liabilities	$	18,706,745		$	13,371,039	$	5,357,737		$	2,774	$	18,731,550
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	20,222		$	—	$	20,222		$	—	$	20,222
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	20,193		$	—	$	20,193		$	—	$	20,193

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

	Carrying Amount			Estimated Fair Value at December 31, 2016
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	74,714		$	—	$	74,714		$	—	$	74,714
Securities held to maturity	181,314			—		181,146			2,800		183,946
Loans held for sale	268,832			—		—			282,786		282,786
Loans:
Consumer real estate	5,084,352			—		—			5,165,062		5,165,062
Commercial real estate	2,634,191			—		—			2,583,775		2,583,775
Commercial business	652,287			—		—			631,215		631,215
Equipment finance	2,016,732			—		—			1,983,237		1,983,237
Inventory finance	2,470,175			—		—			2,453,184		2,453,184
Auto finance	2,647,741			—		—			2,656,266		2,656,266
Other	18,771			—		—			17,780		17,780
Allowance for loan losses(1)	(160,269		)	—		—			—		—
Securitization receivable(2)	18,835			—		—			18,835		18,835
Total financial instrument assets	$	15,907,675		$	—	$	255,860		$	15,794,940	$	16,050,800
Financial instrument liabilities:
Deposits	$	17,242,522		$	13,150,099	$	4,112,685		$	—	$	17,262,784
Long-term borrowings	1,073,181			—		1,073,875			2,764		1,076,639
Total financial instrument liabilities	$	18,315,703		$	13,150,099	$	5,186,560		$	2,764	$	18,339,423
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	21,681		$	—	$	21,681		$	—	$	21,681
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	21,652		$	—	$	21,652		$	—	$	21,652

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

The computations of basic and diluted earnings per common share were as follows:

	Three Months Ended March 31,
(Dollars in thousands, except per-share data)	2017		2016
Basic Earnings Per Common Share:
Net income available to common stockholders	$	41,431	$	43,199
Earnings allocated to participating securities	8		11
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding for basic earnings per common share	167,902,615		166,887,293
Basic earnings per common share	$	0.25	$	0.26
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding used in basic earnings per common share calculation	167,902,615		166,887,293
Net dilutive effect of:
Non-participating restricted stock	436,442		502,270
Stock options	41,626		45,645
Warrants	149,051		—
Weighted-average common shares outstanding for diluted earnings per common share	168,529,734		167,435,208
Diluted earnings per common share	$	0.25	$	0.26

For the three months ended March 31, 2017, there were 0.5 million of outstanding shares related to non-participating restricted stock and for the three months ended March 31, 2016, there were 5.0 million of outstanding shares related to non-participating restricted stock, stock options and warrants that were not included in the computation of diluted earnings per share because they were anti-dilutive.

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Other Non-interest Expense

3 Months Ended

Mar. 31, 2017

Other Income and Expenses [Abstract]

Other Non-interest Expense

Other Non-interest Expense

Other non-interest expense was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Professional fees	$	7,193	$	3,602
Severance	6,633		767
Advertising and marketing	6,406		5,887
Loan and lease processing	6,181		5,960
Outside processing	4,481		3,645
Card processing and issuance costs	4,109		3,720
FDIC insurance	3,959		4,113
Other	25,075		25,654
Total other non-interest expense	$	64,037	$	53,348

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Business Segments

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Business Segments

Business Segments

The Company's reportable segments are Consumer Banking, Wholesale Banking and Enterprise Services. Consumer Banking is comprised of all of the Company's consumer-facing businesses and includes retail banking, consumer real estate and auto finance. Wholesale Banking is comprised of commercial real estate and business lending, leasing and equipment finance and inventory finance. Enterprise Services is comprised of (i) corporate treasury, which includes TCF's investment and borrowing portfolios and management of capital, debt and market risks; (ii) corporate functions, such as information technology, risk and credit management, bank operations, finance, investor relations, corporate development, legal and human resources, that provide services to the operating segments; (iii) the Holding Company; and (iv) eliminations.

TCF evaluates performance and allocates resources based on each reportable segment's net income or loss. The reportable business segments follow GAAP as described in Note 1, Basis of Presentation, in Item 8 of TCF's 2016 Annual Report on Form 10-K, except for the accounting for intercompany interest income and interest expense, which are eliminated in consolidation, and presenting net interest income on a fully tax-equivalent basis. TCF generally accounts for inter-segment sales and transfers at cost.

Certain information for each of TCF's reportable segments, including reconciliations of TCF's consolidated totals, was as follows:

(In thousands)	Consumer Banking		Wholesale Banking		Enterprise Services			Consolidated
At or For the Three Months Ended March 31, 2017:
Net interest income	$	140,317	$	87,642	$	(5,845	)	$	222,114
Provision for credit losses	5,351		6,842		—			12,193
Non-interest income	72,762		30,719		33			103,514
Non-interest expense	169,289		65,562		9,155			244,006
Income tax expense (benefit)	13,510		15,068		(7,735		)	20,843
Income (loss) after income tax expense (benefit)	24,929		30,889		(7,232		)	48,586
Income attributable to non-controlling interest	—		2,308		—			2,308
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	24,929	$	28,581	$	(12,079	)	$	41,431
Total assets	$	8,662,681	$	10,834,463	$	2,339,424		$	21,836,568
Revenues from external customers:
Interest income	$	109,833	$	122,365	$	10,109		$	242,307
Non-interest income	72,762		30,719		33			103,514
Total	$	182,595	$	153,084	$	10,142		$	345,821
At or For the Three Months Ended March 31, 2016:
Net interest income	$	139,343	$	85,669	$	(13,354	)	$	211,658
Provision for credit losses	13,675		5,167		—			18,842
Non-interest income	81,061		30,613		928			112,602
Non-interest expense	160,520		62,105		5,709			228,334
Income tax expense (benefit)	16,831		16,406		(6,434		)	26,803
Income (loss) after income tax expense (benefit)	29,378		32,604		(11,701		)	50,281
Income attributable to non-controlling interest	—		2,235		—			2,235
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	29,378	$	30,369	$	(16,548	)	$	43,199
Total assets	$	8,899,438	$	10,031,265	$	2,390,399		$	21,321,102
Revenues from external customers:
Interest income	$	112,950	$	111,894	$	7,498		$	232,342
Non-interest income	81,061		30,613		928			112,602
Total	$	194,011	$	142,507	$	8,426		$	344,944

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Litigation Contingencies

3 Months Ended

Mar. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Litigation Contingencies

Litigation Contingencies

From time to time TCF is a party to legal proceedings arising out of its lending, leasing and deposit operations, including foreclosure proceedings and other collection actions as part of its lending and leasing collections activities. TCF may also be subject to regulatory examinations and enforcement actions brought by federal regulators, including the Securities and Exchange Commission, the Federal Reserve, the OCC and the Consumer Financial Protection Bureau ("CFPB") and TCF's regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance. From time to time borrowers and other customers, and employees and former employees have also brought actions against TCF, in some cases claiming substantial damages. TCF and other financial services companies are subject to the risk of class action litigation. Litigation is often unpredictable and the actual results of litigation cannot be determined and therefore the ultimate resolution of a matter and the possible range of loss associated with certain potential outcomes cannot be established. Except as discussed below, based on our current understanding of TCF's pending legal proceedings, management does not believe that judgments or settlements arising from pending or threatened legal matters, individually or in the aggregate, would have a material adverse effect on the consolidated financial position, operating results or cash flows of TCF.

On January 19, 2017, the CFPB filed a civil lawsuit against TCF Bank in the United States District Court for the District of Minnesota, captioned Consumer Financial Protection Bureau v. TCF National Bank, alleging violations of the Consumer Financial Protection Act and Regulation E, §1005.17 in connection with TCF Bank's practices administering checking account overdraft program "opt-in" requirements from 2010 to early 2014. In its complaint, the CFPB seeks, among other relief, redress for consumers, injunctive relief and unspecified penalties. TCF Bank rejects the claims made by the CFPB in its complaint and intends to vigorously defend against the CFPB’s allegations. TCF has not accrued any amounts with respect to this matter because (i)TCF does not believe a loss is probable, (ii) believes the Company has meritorious defenses to the claims made and (iii) the damages sought are unspecified and uncertain. Therefore, TCF is currently unable to reasonably estimate a range of potential loss, if any, relating to this matter. There is no assurance that the ultimate resolution of this lawsuit will not have a material adverse effect on the consolidated financial position, operating results or cash flows of TCF.

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Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2017

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The components of other comprehensive income (loss) and the related tax effects were as follows:

	Three Months Ended March 31,
	2017									2016
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Net unrealized gains (losses) on securities available for sale and interest-only strips:
Unrealized gains (losses) arising during the period	$	4,162		$	(1,582	)	$	2,580		$	19,135		$	(7,268	)	$	11,867
Reclassification of net (gains) losses to net income	305			(116		)	189			274			(104		)	170
Net unrealized gains (losses)	4,467			(1,698		)	2,769			19,409			(7,372		)	12,037
Net unrealized gains (losses) on net investment hedges	(504		)	191			(313		)	(3,257		)	1,237			(2,020		)
Foreign currency translation adjustment(1)	581			—			581			3,409			—			3,409
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(12		)	5			(7		)	(12		)	5			(7		)
Total other comprehensive income (loss)	$	4,532		$	(1,502	)	$	3,030		$	19,549		$	(6,130	)	$	13,419

(1)  Foreign investments are deemed to be permanent in nature and therefore TCF does not provide for taxes on foreign currency translation adjustments.

Reclassifications of net (gains) losses to net income for securities available for sale and interest-only strips were recorded in the Consolidated Statements of Income in gains (losses) on securities, net for sales of securities, in interest income for those securities that were previously transferred to held to maturity and in other non-interest expense for interest-only strips. During 2014, TCF transferred $191.7 million of available for sale mortgage-backed securities to held to maturity. At March 31, 2017 and 2016, the unrealized holding loss on the transferred securities retained in accumulated other comprehensive income (loss) totaled $13.0 million and $14.5 million, respectively. These amounts are amortized over the remaining lives of the transferred securities. The tax effect of these reclassifications was recorded in income tax expense in the Consolidated Statements of Income. See Note 9, Employee Benefit Plans, for additional information regarding TCF's recognized postretirement prior service cost.

The components of accumulated other comprehensive income (loss) were as follows:

(In thousands)	Securities Available for Sale and Interest-only Strips			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	(28,601	)	$	6,493		$	(11,764	)	$	147		$	(33,725	)
Other comprehensive income (loss)	2,580			(313		)	581			—			2,848
Amounts reclassified from accumulated other comprehensive income (loss)	189			—			—			(7		)	182
Net other comprehensive income (loss)	2,769			(313		)	581			(7		)	3,030
Balance, end of period	$	(25,832	)	$	6,180		$	(11,183	)	$	140		$	(30,695	)
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	(9,707	)	$	7,249		$	(13,064	)	$	176		$	(15,346	)
Other comprehensive income (loss)	11,867			(2,020		)	3,409			—			13,256
Amounts reclassified from accumulated other comprehensive income (loss)	170			—			—			(7		)	163
Net other comprehensive income (loss)	12,037			(2,020		)	3,409			(7		)	13,419
Balance, end of period	$	2,330		$	5,229		$	(9,655	)	$	169		$	(1,927	)

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

TCF Financial Corporation (together with its direct and indirect subsidiaries, "we," "us," "our," "TCF" or the "Company"), a Delaware corporation, is a national bank holding company based in Wayzata, Minnesota. References herein to "TCF Financial" or the "Holding Company" refer to TCF Financial Corporation on an unconsolidated basis. TCF's principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in Sioux Falls, South Dakota.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, therefore do not include all of the information and notes necessary for complete financial statements in conformity with U.S. generally accepted accounting principles ("GAAP"). The information in this Quarterly Report on Form 10-Q is written with the presumption that the users of the interim financial statements have read or have access to the Company's most recent Annual Report on Form 10-K, which contains the latest audited financial statements and notes thereto, together with Management's Discussion and Analysis of Financial Condition and Results of Operations at December 31, 2016, and for the year then ended. All significant intercompany accounts and transactions have been eliminated in consolidation. Accounting policies in effect at December 31, 2016 remain significantly unchanged and have been followed similarly as in previous periods.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. These estimates are based on information available to management at the time the estimates are made. Actual results could differ from those estimates. In the opinion of management, the accompanying unaudited consolidated financial statements contain all the significant adjustments, consisting of normal recurring items, considered necessary for fair presentation. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year.

New Accounting Pronouncement

Effective January 1, 2017, the Company adopted Accounting Standards Update ("ASU") No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, which simplified several aspects of the accounting for share-based payment transactions, including income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. As a result of the adoption, the Company recorded a cumulative effect reduction to the opening balance of retained earnings of $1.3 million and a corresponding increase to additional paid-in capital. This cumulative effect adjustment to retained earnings was related to a policy election to account for forfeitures as they occur, thereby eliminating the need for an estimated forfeiture reserve against future cancellations. The adoption of this ASU on a prospective basis requires that tax benefits related to stock compensation be recorded to income tax expense, instead of to additional paid-in capital. The Company elected the prospective basis regarding the presentation of stock compensation tax (expense) benefit in the Consolidated Statement of Cash Flows as an operating activity, and as a result prior periods were not adjusted.

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Securities Available for Sale and Securities Held to Maturity (Tables)

3 Months Ended

Mar. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of securities

Securities were as follows:

	At March 31, 2017								At December 31, 2016
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	833,058	$	448	$	17,563	$	815,943	$	827,722	$	423	$	17,254	$	810,891
Other	14		—		—		14		18		—		—		18
Obligations of states and political subdivisions	671,409		2,503		13,919		659,993		628,972		394		16,840		612,526
Total securities available for sale	$	1,504,481	$	2,951	$	31,482	$	1,475,950	$	1,456,712	$	817	$	34,094	$	1,423,435
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	173,436	$	3,154	$	514	$	176,076	$	178,514	$	3,072	$	440	$	181,146
Other securities	2,800		—		—		2,800		2,800		—		—		2,800
Total securities held to maturity	$	176,236	$	3,154	$	514	$	178,876	$	181,314	$	3,072	$	440	$	183,946

Schedule of gross unrealized losses and fair value of securities available for sale and securities held to maturity that are in a loss position

Gross unrealized losses and fair value of securities available for sale and securities held to maturity aggregated by investment category and the length of time the securities were in a continuous loss position were as follows:

	At March 31, 2017
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	733,539	$	17,563	$	—	$	—	$	733,539	$	17,563
Obligations of states and political subdivisions	437,921		13,919		—		—		437,921		13,919
Total securities available for sale	$	1,171,460	$	31,482	$	—	$	—	$	1,171,460	$	31,482
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	26,036	$	491	$	489	$	23	$	26,525	$	514
Total securities held to maturity	$	26,036	$	491	$	489	$	23	$	26,525	$	514

	At December 31, 2016
	Less than 12 months				12 months or more				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	732,724	$	17,254	$	—	$	—	$	732,724	$	17,254
Obligations of states and political subdivisions	501,620		16,840		—		—		501,620		16,840
Total securities available for sale	$	1,234,344	$	34,094	$	—	$	—	$	1,234,344	$	34,094
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	27,090	$	440	$	—	$	—	$	27,090	$	440
Total securities held to maturity	$	27,090	$	440	$	—	$	—	$	27,090	$	440

Schedule of amortized cost and fair value of securities available for sale and securities held to maturity by contractual maturity

The amortized cost and fair value of securities available for sale and securities held to maturity by final contractual maturity were as follows. The remaining contractual principal maturities do not consider possible prepayments. Remaining expected maturities will differ from contractual maturities because borrowers may have the right to prepay.

	At March 31, 2017				At December 31, 2016
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Securities available for sale:
Due in one year or less	$	—	$	—	$	1	$	1
Due in 1-5 years	2,404		2,440		18		18
Due in 5-10 years	353,864		354,044		331,430		329,005
Due after 10 years	1,148,213		1,119,466		1,125,263		1,094,411
Total securities available for sale	$	1,504,481	$	1,475,950	$	1,456,712	$	1,423,435
Securities held to maturity:
Due in one year or less	$	—	$	—	$	—	$	—
Due in 1-5 years	1,400		1,400		1,400		1,400
Due in 5-10 years	1,400		1,400		1,400		1,400
Due after 10 years	173,436		176,076		178,514		181,146
Total securities held to maturity	$	176,236	$	178,876	$	181,314	$	183,946

Interest income attributable to securities available for sale

Interest income attributable to securities available for sale was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Taxable interest income	$	4,654	$	3,818
Tax-exempt interest income	3,326		1,680
Total interest income	$	7,980	$	5,498

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Loans and Leases (Tables)

3 Months Ended

Mar. 31, 2017

Receivables [Abstract]

Information about loans and leases

Loans and leases were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate:
First mortgage lien	$	2,166,691	$	2,292,596
Junior lien	2,494,696		2,791,756
Total consumer real estate	4,661,387		5,084,352
Commercial:
Commercial real estate:
Permanent	2,402,702		2,356,287
Construction and development	271,627		277,904
Total commercial real estate	2,674,329		2,634,191
Commercial business	701,721		652,287
Total commercial	3,376,050		3,286,478
Leasing and equipment finance	4,276,008		4,336,310
Inventory finance	2,864,248		2,470,175
Auto finance	2,780,416		2,647,741
Other	16,785		18,771
Total loans and leases(1)	$	17,974,894	$	17,843,827

(1) Loans and leases are reported at historical cost including net direct fees and costs associated with originating and acquiring loans and leases, lease residuals, unearned income and unamortized purchase premiums and discounts. The aggregate amount of these loan and lease adjustments was $56.7 million and $54.1 million at March 31, 2017 and December 31, 2016, respectively.

Loan sales transaction table

The following table summarizes the net sales proceeds for consumer real estate and auto finance loans sold, the interest-only strips received, the recorded investment in loans sold, including accrued interest, and the net gains. Included in consumer real estate loans sold in the three months ended March 31, 2017 were $49.4 million of non-accrual loans, which were sold servicing released. There were no auto finance securitizations for the three months ended March 31, 2017 and 2016. TCF generally retains servicing on these sold loans. No servicing assets or liabilities related to consumer real estate or auto finance loans were recorded within TCF's Consolidated Statements of Financial Condition, as the contractual servicing fees are adequate to compensate TCF for its servicing responsibilities based on the amount demanded by the marketplace.

	Three Months Ended March 31, 2017
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	388,690		$	254,164
Interest-only strips, initial value	1,347			—
Recorded investment in loans sold, including accrued interest	(380,762		)	(250,588		)
Net gains(2)	$	9,275		$	3,576
	Three Months Ended March 31, 2016
(In thousands)	Consumer Real Estate Loans			Auto Finance Loans
Sales proceeds, net(1)	$	326,961		$	453,747
Interest-only strips, initial value	5,661			4,841
Recorded investment in loans sold, including accrued interest	(322,501		)	(446,365		)
Net gains(2)	$	10,121		$	12,223
(1) Includes transaction fees and other sales related adjustments. (2) Excludes subsequent adjustments and valuation adjustments while held for sale.

Interest only strips and contractual liabilites

Total interest-only strips and the contractual liabilities related to loan sales were as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Interest-only strips attributable to:
Consumer real estate loan sales	$	25,418	$	27,260
Auto finance loan sales	10,365		12,892
Contractual liabilities attributable to:
Consumer real estate loan sales	$	986	$	701
Auto finance loan sales	150		168

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Allowance for Loan and Lease Losses and Credit Quality Information (Tables)

3 Months Ended

Mar. 31, 2017

Allowance for Loan and Lease Losses and Credit Quality Information

Allowance for loan and lease losses and other information

The rollforwards of the allowance for loan and lease losses were as follows:

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	59,448		$	32,695		$	21,350		$	13,932		$	32,310		$	534		$	160,269
Charge-offs	(3,452		)	(2,732		)	(2,046		)	(219		)	(8,813		)	(1,640		)	(18,902		)
Recoveries	10,692			65			614			119			1,233			1,090			13,813
Net (charge-offs) recoveries	7,240			(2,667		)	(1,432		)	(100		)	(7,580		)	(550		)	(5,089		)
Provision for credit losses	(8,137		)	3,669			1,386			1,965			12,857			453			12,193
Other	(4,700		)	—			(47		)	19			(2,479		)	—			(7,207		)
Balance, end of period	$	53,851		$	33,697		$	21,257		$	15,816		$	35,108		$	437		$	160,166
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	67,992		$	30,185		$	19,018		$	11,128		$	26,486		$	1,245		$	156,054
Charge-offs	(6,061		)	(28		)	(1,972		)	(641		)	(6,330		)	(1,635		)	(16,667		)
Recoveries	1,290			219			681			385			883			1,303			4,761
Net (charge-offs) recoveries	(4,771		)	191			(1,291		)	(256		)	(5,447		)	(332		)	(11,906		)
Provision for credit losses	5,025			1,171			1,727			2,263			9,065			(409		)	18,842
Other	(1,518		)	—			—			171			(1,569		)	—			(2,916		)
Balance, end of period	$	66,728		$	31,547		$	19,454		$	13,306		$	28,535		$	504		$	160,074

Allowance for loan and lease losses and balances by type of allowance methodology

The allowance for loan and lease losses and loans and leases outstanding by type of allowance methodology were as follows:

	At March 31, 2017
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment Finance		Inventory Finance		Auto Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	33,472	$	32,698	$	18,829	$	14,789	$	34,228	$	436	$	134,452
Individually evaluated for impairment	20,379		999		2,428		1,027		880		1		25,714
Total	$	53,851	$	33,697	$	21,257	$	15,816	$	35,108	$	437	$	160,166
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,497,659	$	3,332,256	$	4,258,234	$	2,859,086	$	2,770,956	$	16,780	$	17,734,971
Individually evaluated for impairment	163,728		43,794		17,761		5,162		9,460		5		239,910
Loans acquired with deteriorated credit quality	—		—		13		—		—		—		13
Total	$	4,661,387	$	3,376,050	$	4,276,008	$	2,864,248	$	2,780,416	$	16,785	$	17,974,894

	At December 31, 2016
(In thousands)	Consumer Real Estate		Commercial		Leasing and Equipment  Finance		Inventory  Finance		Auto  Finance		Other		Total
Allowance for loan and lease losses:
Collectively evaluated for impairment	$	36,103	$	31,430	$	19,093	$	13,304	$	31,106	$	533	$	131,569
Individually evaluated for impairment	23,345		1,265		2,257		628		1,204		1		28,700
Total	$	59,448	$	32,695	$	21,350	$	13,932	$	32,310	$	534	$	160,269
Loans and leases outstanding:
Collectively evaluated for impairment	$	4,884,653	$	3,242,389	$	4,320,129	$	2,465,041	$	2,638,380	$	18,765	$	17,569,357
Individually evaluated for impairment	199,699		44,089		16,165		5,134		9,360		6		274,453
Loans acquired with deteriorated credit quality	—		—		16		—		1		—		17
Total	$	5,084,352	$	3,286,478	$	4,336,310	$	2,470,175	$	2,647,741	$	18,771	$	17,843,827

Information regarding accruing and non-accruing loans and leases

TCF's accruing and non-accrual loans and leases were as follows:

	At March 31, 2017
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,083,889	$	3,676	$	2,185	$	2,089,750	$	76,941	$	2,166,691
Junior lien	2,468,517		1,183		—		2,469,700		24,996		2,494,696
Total consumer real estate	4,552,406		4,859		2,185		4,559,450		101,937		4,661,387
Commercial:
Commercial real estate	2,664,062		—		—		2,664,062		10,267		2,674,329
Commercial business	699,291		—		—		699,291		2,430		701,721
Total commercial	3,363,353		—		—		3,363,353		12,697		3,376,050
Leasing and equipment finance	4,258,433		3,939		1,315		4,263,687		12,274		4,275,961
Inventory finance	2,858,986		87		13		2,859,086		5,162		2,864,248
Auto finance	2,770,028		1,942		1,536		2,773,506		6,909		2,780,415
Other	16,775		2		6		16,783		2		16,785
Subtotal	17,819,981		10,829		5,055		17,835,865		138,981		17,974,846
Portfolios acquired with deteriorated credit quality	48		—		—		48		—		48
Total	$	17,820,029	$	10,829	$	5,055	$	17,835,913	$	138,981	$	17,974,894

	At December 31, 2016
(In thousands)	Current-59 Days Delinquent and Accruing		60-89 Days  Delinquent  and Accruing		90 Days or More Delinquent and Accruing		Total  Accruing		Non-accrual		Total
Consumer real estate:
First mortgage lien	$	2,177,746	$	6,581	$	2,144	$	2,186,471	$	106,125	$	2,292,596
Junior lien	2,744,006		1,404		—		2,745,410		46,346		2,791,756
Total consumer real estate	4,921,752		7,985		2,144		4,931,881		152,471		5,084,352
Commercial:
Commercial real estate	2,628,627		—		—		2,628,627		5,564		2,634,191
Commercial business	651,932		—		—		651,932		355		652,287
Total commercial	3,280,559		—		—		3,280,559		5,919		3,286,478
Leasing and equipment finance	4,320,795		3,478		1,045		4,325,318		10,880		4,336,198
Inventory finance	2,464,986		16		39		2,465,041		5,134		2,470,175
Auto finance	2,634,600		3,785		2,317		2,640,702		7,038		2,647,740
Other	18,748		14		6		18,768		3		18,771
Subtotal	17,641,440		15,278		5,551		17,662,269		181,445		17,843,714
Portfolios acquired with deteriorated credit quality	113		—		—		113		—		113
Total	$	17,641,553	$	15,278	$	5,551	$	17,662,382	$	181,445	$	17,843,827

Interest income recognized on loans and leases in non-accrual status and contractual interest

Interest income recognized on loans and leases in non-accrual status and contractual interest that would have been recorded had the loans and leases performed in accordance with their original contractual terms were as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Contractual interest due on non-accrual loans and leases	$	4,498	$	5,267
Interest income recognized on non-accrual loans and leases	1,056		966
Unrecognized interest income	$	3,442	$	4,301

Summary of consumer real estate loans to customers in bankruptcy

Consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged, dismissed or completed were as follows: 

(In thousands)	At March 31, 2017		At December 31, 2016
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	12,492	$	13,675
Non-accrual	15,494		21,372
Total consumer real estate loans to customers in bankruptcy	$	27,986	$	35,047

Schedule of accruing loans that were restructured within 12 months and defaulted

TCF considers a loan to have defaulted when under the modified terms it becomes 90 or more days delinquent, has been transferred to non-accrual status, has been charged down or has been transferred to other real estate owned or repossessed and returned assets. The following table summarizes the TDR loans that defaulted during the three months ended March 31, 2017 and 2016, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. The increase in commercial loans that defaulted during the three months ended March 31, 2017 was primarily due to the transfer of three commercial loans to non-accrual status.

	Three Months Ended March 31,
(In thousands)	2017		2016
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	368	$	—
Junior lien	112		44
Total consumer real estate	480		44
Commercial:
Commercial real estate	6,681		—
Commercial business	3,353		—
Total commercial	10,034		—
Leasing and equipment finance	407		—
Auto finance	302		466
Defaulted TDR loans modified during the applicable period	$	11,223	$	510

(1) The loan balances presented are not materially different than the pre-modification loan balances as TCF's loan modifications generally do not forgive principal amounts.

Impaired loans included in previous amounts disclosed within performing and non-accrual loans and leases and loan modifications for borrowers with financial difficulties

Information on impaired loans was as follows:

	At March 31, 2017						At December 31, 2016
(In thousands)	Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded		Unpaid Contractual Balance		Loan Balance		Related Allowance Recorded
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	100,409	$	87,992	$	15,410	$	122,704	$	104,601	$	16,835
Junior lien	40,710		36,244		4,813		62,481		51,410		5,829
Total consumer real estate	141,119		124,236		20,223		185,185		156,011		22,664
Commercial:
Commercial real estate	3,393		3,394		120		10,083		10,075		1,262
Commercial business	3,099		2,089		879		14		14		3
Total commercial	6,492		5,483		999		10,097		10,089		1,265
Leasing and equipment finance	11,342		11,342		1,169		9,900		9,900		1,044
Inventory finance	4,646		4,655		1,027		4,357		4,365		628
Auto finance	5,151		4,798		795		5,801		5,419		1,126
Other	5		5		1		6		6		1
Total impaired loans with an allowance recorded	168,755		150,519		24,214		215,346		185,790		26,728
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	17,007		12,010		—		18,539		12,674		—
Junior lien	18,564		1,884		—		26,915		1,882		—
Total consumer real estate	35,571		13,894		—		45,454		14,556		—
Commercial:
Commercial real estate	27,690		20,092		—		21,601		15,780		—
Commercial business	504		504		—		354		354		—
Total commercial	28,194		20,596		—		21,955		16,134		—
Inventory finance	506		507		—		767		769		—
Auto finance	4,513		2,771		—		3,919		2,408		—
Other	88		—		—		85		—		—
Total impaired loans without an allowance recorded	68,872		37,768		—		72,180		33,867		—
Total impaired loans	$	237,627	$	188,287	$	24,214	$	287,526	$	219,657	$	26,728

Average balance of impaired loans and interest income recognized on impaired loans

The average loan balance of impaired loans and interest income recognized on impaired loans were as follows:

	Three Months Ended March 31,
	2017				2016
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	96,979	$	725	$	123,115	$	835
Junior lien	43,827		446		58,035		630
Total consumer real estate	140,806		1,171		181,150		1,465
Commercial:
Commercial real estate	6,733		16		5,645		33
Commercial business	1,052		48		16		—
Total commercial	7,785		64		5,661		33
Leasing and equipment finance	10,620		3		7,794		13
Inventory finance	4,510		52		1,579		16
Auto finance	5,109		46		7,460		18
Other	6		—		10		—
Total impaired loans with an allowance recorded	168,836		1,336		203,654		1,545
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	12,342		318		3,045		52
Junior lien	1,883		252		510		148
Total consumer real estate	14,225		570		3,555		200
Commercial:
Commercial real estate	17,936		174		23,820		251
Commercial business	429		—		3,881		—
Total commercial	18,365		174		27,701		251
Inventory finance	638		44		220		11
Auto finance	2,590		—		1,602		—
Total impaired loans without an allowance recorded	35,818		788		33,078		462
Total impaired loans	$	204,654	$	2,124	$	236,732	$	2,007

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Long-term Borrowings (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Information about long-term borrowings

Long-term borrowings were as follows:

		At March 31, 2017								At December 31, 2016
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount			Stated Rate
Federal Home Loan Bank advances	2018	$	100,000					0.99	%	$	375,000		0.72	%	-	0.81	%
	2019	750,000			0.99	%	-	1.04		300,000			0.78		-	0.81
Subtotal		850,000								675,000
Subordinated bank notes	2022	108,706						6.25		108,654						6.25
	2025	148,101						4.60		148,052						4.60
Hedge-related basis adjustment(1)		(1,862		)						(1,349		)
Subtotal		254,945								255,357
Discounted lease rentals	2017	42,108			2.45		-	7.88		57,081			2.45		-	7.88
	2018	44,807			2.55		-	7.95		42,132			2.55		-	7.95
	2019	27,320			2.53		-	6.00		24,671			2.53		-	6.00
	2020	13,383			2.64		-	6.90		11,753			2.64		-	6.90
	2021	5,572			2.88		-	5.00		4,423			2.88		-	4.57
	2022	246			3.95		-	5.17		—						—
Subtotal		133,436								140,060
Other long-term borrowings	2017	2,774						1.36		2,764						1.36
Total long-term borrowings		$	1,241,155							$	1,073,181

(1) Related to subordinated bank notes with a stated maturity of 2025.

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Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2017

Regulatory Capital Requirements [Abstract]

Schedule of regulatory capital information for TCF and TCF Bank

Regulatory capital information for TCF and TCF Bank was as follows:

	TCF						TCF Bank
	At March 31,			At December 31,			At March 31,			At December 31,			Well-capitalized Standard		Minimum Capital Requirement(1)
(Dollars in thousands)	2017			2016			2017			2016
Regulatory Capital:
Common equity Tier 1 capital	$	2,003,988		$	1,970,323		$	2,182,487		$	2,144,966
Tier 1 capital	2,288,736			2,248,221			2,209,038			2,162,128
Total capital	2,667,204			2,635,925			2,630,339			2,583,512
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	10.11		%	10.24		%	11.01		%	11.14		%	6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.55			11.68			11.15			11.23			8.00		6.00
Total risk-based capital ratio	13.46			13.69			13.27			13.42			10.00		8.00
Tier 1 leverage ratio	10.64			10.73			10.27			10.32			5.00		4.00

(1) Excludes capital conservation buffer of 1.25% and 0.625% as of March 31, 2017 and December 31, 2016.

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Stock Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Restricted Stock Award and Stock Option Transactions

TCF's restricted stock award and stock option transactions under the TCF Financial 2015 Omnibus Incentive Plan ("Omnibus Incentive Plan") and the TCF Financial Incentive Stock Program ("Incentive Stock Program") during the three months ended March 31, 2017 were as follows:

	Restricted Stock Awards									Stock Options
	Shares		Grant Date Fair Value Range					Weighted- average Grant Date Fair Value		Shares		Exercise Price Range					Weighted- average Remaining Contractual Life in Years	Weighted- average Exercise Price
Outstanding at December 31, 2016	3,536,175		$	7.73	-	$	16.28	$	12.81	404,000		$	15.75	-	$	15.75	1.06	$	15.75
Granted	134,621		18.47		-	18.58		18.58		—		—		-	—		—	—
Exercised	—		—		-	—		—		(38,000	)	15.75		-	15.75		—	15.75
Forfeited/canceled	(399,042	)	7.73		-	15.74		10.32		—		—		-	—		—	—
Vested	(578,843	)	9.36		-	16.02		14.82		—		—		-	—		—	—
Outstanding at March 31, 2017	2,692,911		7.73		-	18.58		13.04		366,000		15.75		-	15.75		0.81	15.75
Exercisable at March 31, 2017	N.A.							N.A.		366,000		15.75		-	15.75			15.75

N.A. Not Applicable.

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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of net periodic benefit cost included in compensation and employee benefits expense for cash balance Pension Plan and Postretirement Plan

The net periodic benefit plan (income) cost included in compensation and employee benefits expense for the TCF Cash Balance Pension Plan (the "Pension Plan") and health care benefits for eligible retired employees (the "Postretirement Plan") for the three months ended March 31, 2017 and 2016 was as follows:

	Pension Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	285		$	320
(Gain) loss on plan assets	(142		)	(146		)
Net periodic benefit plan (income) cost	$	143		$	174

	Postretirement Plan
	Three Months Ended March 31,
(In thousands)	2017			2016
Interest cost	$	34		$	38
Amortization of prior service cost	(12		)	(12		)
Net periodic benefit plan (income) cost	$	22		$	26

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Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of derivative instruments

Derivative instruments were as follows:

	At March 31, 2017
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	442	$	(122	)	$	320
Derivatives not designated as hedges:
Forward foreign exchange contracts	45,054		71		—			71
Interest rate contracts	159,766		1,032		—			1,032
Interest rate lock commitments	27,118		464		—			464
Total derivative assets			$	2,009	$	(122	)	$	1,887
Derivative Liabilities:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	64,652	$	661	$	(540	)	$	121
Derivatives not designated as hedges:
Forward foreign exchange contracts	293,752		1,512		(1,054		)	458
Interest rate contracts	159,766		848		(122		)	726
Other contracts	13,804		541		(541		)	—
Interest rate lock commitments	151		—		—			—
Total derivative liabilities			$	3,562	$	(2,257	)	$	1,305
	At December 31, 2016
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	61,760	$	1,082	$	—		$	1,082
Derivatives not designated as hedges:
Forward foreign exchange contracts	250,018		2,995		(1,439		)	1,556
Interest rate contracts	149,499		1,925		(633		)	1,292
Interest rate lock commitments	27,954		318		—			318
Total derivative assets			$	6,320	$	(2,072	)	$	4,248
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	1,320	$	(1,320	)	$	—
Derivatives not designated as hedges:
Forward foreign exchange contracts	115,336		469		(445		)	24
Interest rate contracts	149,499		1,936		(1,332		)	604
Other contracts	13,804		619		(619		)	—
Interest rate lock commitments	2,947		21		—			21
Total derivative liabilities			$	4,365	$	(3,716	)	$	649

Schedule of pre-tax impact of derivative activity

The pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income was as follows:

		Three Months Ended March 31,
(In thousands)	Income Statement Location	2017			2016
Consolidated Statements of Income:
Fair value hedges:
Interest rate contracts	Other non-interest income	$	(501	)	$	7,253
Non-derivative hedged items	Other non-interest income	513			(6,371		)
Not designated as hedges:
Forward foreign exchange contracts	Other non-interest expense	(3,259		)	(26,572		)
Interest rate lock commitments	Gains on sales of consumer real estate loans, net	167			(176		)
Interest rate contracts	Other non-interest income	(9		)	(91		)
Other contracts	Other non-interest expense	—			(85		)
Net gain (loss) recognized		$	(3,089	)	$	(26,042	)
Consolidated Statements of Comprehensive Income:
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(504	)	$	(3,257	)
Net unrealized gain (loss)		$	(504	)	$	(3,257	)

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Fair Values Disclosures (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Balances of assets and liabilities measured at fair value on a recurring and non-recurring basis

The balances of assets and liabilities measured at fair value on a recurring and non-recurring basis were as follows:

	Fair Value Measurements at March 31, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	815,943	$	—	$	815,943
Other	—		—		14		14
Obligations of states and political subdivisions	—		659,993		—		659,993
Loans held for sale	—		—		3,362		3,362
Interest-only strips	—		—		35,783		35,783
Forward foreign exchange contracts(1)	—		71		—		71
Interest rate contracts(1)	—		1,474		—		1,474
Interest rate lock commitments(1)	—		—		464		464
Forward loan sales commitments	—		—		14		14
Assets held in trust for deferred compensation plans	24,621		—		—		24,621
Total assets	$	24,621	$	1,477,481	$	39,637	$	1,541,739
Forward foreign exchange contracts(1)	$	—	$	2,173	$	—	$	2,173
Interest rate contracts(1)	—		848		—		848
Forward loan sales commitments	—		—		106		106
Liabilities held in trust for deferred compensation plans	24,621		—		—		24,621
Other contracts(1)	—		—		541		541
Total liabilities	$	24,621	$	3,021	$	647	$	28,289
Non-recurring Fair Value Measurements:
Loans	$	—	$	—	$	91,144	$	91,144
Other real estate owned:
Consumer	—		—		19,536		19,536
Commercial	—		—		3,600		3,600
Repossessed and returned assets	—		3,307		2,877		6,184
Total non-recurring fair value measurements	$	—	$	3,307	$	117,157	$	120,464

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

	Fair Value Measurements at December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Recurring Fair Value Measurements:
Securities available for sale:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	—	$	810,891	$	—	$	810,891
Other	—		—		18		18
Obligations of states and political subdivisions	—		612,526		—		612,526
Loans held for sale	—		—		6,498		6,498
Interest-only strips	—		—		40,152		40,152
Forward foreign exchange contracts(1)	—		4,077		—		4,077
Interest rate contracts(1)	—		1,925		—		1,925
Interest rate lock commitments(1)	—		—		318		318
Forward loan sales commitments	—		—		374		374
Assets held in trust for deferred compensation plans	23,363		—		—		23,363
Total assets	$	23,363	$	1,429,419	$	47,360	$	1,500,142
Forward foreign exchange contracts(1)	$	—	$	469	$	—	$	469
Interest rate contracts(1)	—		3,256		—		3,256
Interest rate lock commitments(1)	—		—		21		21
Forward loan sales commitments	—		—		13		13
Liabilities held in trust for deferred compensation plans	23,363		—		—		23,363
Other contracts(1)	—		—		619		619
Total liabilities	$	23,363	$	3,725	$	653	$	27,741
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	2,400	$	2,400
Loans	—		—		113,954		113,954
Other real estate owned:
Consumer	—		—		25,751		25,751
Commercial	—		—		3,874		3,874
Repossessed and returned assets	—		2,767		2,800		5,567
Total non-recurring fair value measurements	$	—	$	2,767	$	148,779	$	151,546

(1) As permitted under GAAP, TCF has elected to net derivative assets and derivative liabilities when a legally enforceable master netting agreement exists as well as the related cash collateral received and paid. For purposes of this table, the derivative assets and derivative liabilities are presented gross of this netting adjustment.

Schedule of reconciliation of the net derivative assets and liabilities measured at fair value on a recurring basis

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows:

(In thousands)	Securities Available for Sale			Loans Held for Sale			Interest-only Strips			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended March 31, 2017:
Asset (liability) balance, beginning of period	$	18		$	6,498		$	40,152		$	297		$	361		$	(619	)
Total net gains (losses) included in:
Net income	—			104			1,113			167			(453		)	—
Other comprehensive income (loss)	—			—			(328		)	—			—			—
Sales	—			(46,714		)	—			—			—			—
Originations	—			43,479			1,347			—			—			—
Principal paydowns / settlements	(4		)	(5		)	(6,501		)	—			—			78
Asset (liability) balance, end of period	$	14		$	3,362		$	35,783		$	464		$	(92	)	$	(541	)
At or For the Three Months Ended March 31, 2016:
Asset (liability) balance, beginning of period	$	34		$	10,568		$	44,332		$	716		$	265		$	(305	)
Total net gains (losses) included in:
Net income	—			138			1,465			(176		)	(234		)	(85		)
Sales	—			(79,231		)	—			—			—			—
Originations	—			74,092			10,502			—			—			—
Principal paydowns / settlements	(6		)	—			(7,572		)	—			—			79
Asset (liability) balance, end of period	$	28		$	5,567		$	48,727		$	540		$	31		$	(311	)

Schedule of reconciliation of the assets measured at fair value on a recurring basis

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows:

(In thousands)	Securities Available for Sale			Loans Held for Sale			Interest-only Strips			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended March 31, 2017:
Asset (liability) balance, beginning of period	$	18		$	6,498		$	40,152		$	297		$	361		$	(619	)
Total net gains (losses) included in:
Net income	—			104			1,113			167			(453		)	—
Other comprehensive income (loss)	—			—			(328		)	—			—			—
Sales	—			(46,714		)	—			—			—			—
Originations	—			43,479			1,347			—			—			—
Principal paydowns / settlements	(4		)	(5		)	(6,501		)	—			—			78
Asset (liability) balance, end of period	$	14		$	3,362		$	35,783		$	464		$	(92	)	$	(541	)
At or For the Three Months Ended March 31, 2016:
Asset (liability) balance, beginning of period	$	34		$	10,568		$	44,332		$	716		$	265		$	(305	)
Total net gains (losses) included in:
Net income	—			138			1,465			(176		)	(234		)	(85		)
Sales	—			(79,231		)	—			—			—			—
Originations	—			74,092			10,502			—			—			—
Principal paydowns / settlements	(6		)	—			(7,572		)	—			—			79
Asset (liability) balance, end of period	$	28		$	5,567		$	48,727		$	540		$	31		$	(311	)

Fair value, option, quantitative disclosures

The difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale was as follows:

(In thousands)	At March 31, 2017		At December 31, 2016
Fair value carrying amount	$	3,362	$	6,498
Aggregate unpaid principal amount	3,297		6,563
Fair value carrying amount less aggregate unpaid principal	$	65	$	(65	)

Fair value of assets and liabilities, including hierarchy level

The carrying amounts and estimated fair values of the Company's financial instruments, excluding short-term financial assets and liabilities as their carrying amounts approximate fair value and excluding financial instruments recorded at fair value on a recurring basis were as follows. This information represents only a portion of TCF's balance sheet and not the estimated value of the Company as a whole. Non-financial instruments such as the intangible value of TCF's branches and core deposits, leasing operations, goodwill, premises and equipment and the future revenues from TCF's customers are not reflected in this disclosure. Therefore, this information is of limited use in assessing the value of TCF.

	Carrying Amount			Estimated Fair Value at March 31, 2017
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	81,717		$	—	$	81,717		$	—	$	81,717
Securities held to maturity	176,236			—		176,076			2,800		178,876
Loans held for sale	604,714			—		—			633,698		633,698
Loans:
Consumer real estate	4,661,387			—		—			4,740,497		4,740,497
Commercial real estate	2,674,329			—		—			2,628,356		2,628,356
Commercial business	701,721			—		—			676,776		676,776
Equipment finance	1,986,353			—		—			1,957,281		1,957,281
Inventory finance	2,864,248			—		—			2,845,408		2,845,408
Auto finance	2,780,416			—		—			2,782,533		2,782,533
Other	16,785			—		—			15,172		15,172
Allowance for loan losses(1)	(160,166		)	—		—			—		—
Securitization receivable(2)	18,929			—		—			18,929		18,929
Total financial instrument assets	$	16,406,669		$	—	$	257,793		$	16,301,450	$	16,559,243
Financial instrument liabilities:
Deposits	$	17,465,590		$	13,371,039	$	4,114,574		$	—	$	17,485,613
Long-term borrowings	1,241,155			—		1,243,163			2,774		1,245,937
Total financial instrument liabilities	$	18,706,745		$	13,371,039	$	5,357,737		$	2,774	$	18,731,550
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	20,222		$	—	$	20,222		$	—	$	20,222
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	20,193		$	—	$	20,193		$	—	$	20,193

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

	Carrying Amount			Estimated Fair Value at December 31, 2016
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	74,714		$	—	$	74,714		$	—	$	74,714
Securities held to maturity	181,314			—		181,146			2,800		183,946
Loans held for sale	268,832			—		—			282,786		282,786
Loans:
Consumer real estate	5,084,352			—		—			5,165,062		5,165,062
Commercial real estate	2,634,191			—		—			2,583,775		2,583,775
Commercial business	652,287			—		—			631,215		631,215
Equipment finance	2,016,732			—		—			1,983,237		1,983,237
Inventory finance	2,470,175			—		—			2,453,184		2,453,184
Auto finance	2,647,741			—		—			2,656,266		2,656,266
Other	18,771			—		—			17,780		17,780
Allowance for loan losses(1)	(160,269		)	—		—			—		—
Securitization receivable(2)	18,835			—		—			18,835		18,835
Total financial instrument assets	$	15,907,675		$	—	$	255,860		$	15,794,940	$	16,050,800
Financial instrument liabilities:
Deposits	$	17,242,522		$	13,150,099	$	4,112,685		$	—	$	17,262,784
Long-term borrowings	1,073,181			—		1,073,875			2,764		1,076,639
Total financial instrument liabilities	$	18,315,703		$	13,150,099	$	5,186,560		$	2,764	$	18,339,423
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	21,681		$	—	$	21,681		$	—	$	21,681
Standby letters of credit	(29		)	—		(29		)	—		(29		)
Total financial instruments with off-balance sheet risk	$	21,652		$	—	$	21,652		$	—	$	21,652

(1) Expected credit losses are included in the estimated fair values.

(2) Carrying amounts are included in other assets.

(3) Positive amounts represent assets, negative amounts represent liabilities.

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per common share

The computations of basic and diluted earnings per common share were as follows:

	Three Months Ended March 31,
(Dollars in thousands, except per-share data)	2017		2016
Basic Earnings Per Common Share:
Net income available to common stockholders	$	41,431	$	43,199
Earnings allocated to participating securities	8		11
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding for basic earnings per common share	167,902,615		166,887,293
Basic earnings per common share	$	0.25	$	0.26
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	41,423	$	43,188
Weighted-average common shares outstanding used in basic earnings per common share calculation	167,902,615		166,887,293
Net dilutive effect of:
Non-participating restricted stock	436,442		502,270
Stock options	41,626		45,645
Warrants	149,051		—
Weighted-average common shares outstanding for diluted earnings per common share	168,529,734		167,435,208
Diluted earnings per common share	$	0.25	$	0.26

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Other Non-interest Expense (Tables)

3 Months Ended

Mar. 31, 2017

Other Income and Expenses [Abstract]

Other Non-interest Expense

Other non-interest expense was as follows:

	Three Months Ended March 31,
(In thousands)	2017		2016
Professional fees	$	7,193	$	3,602
Severance	6,633		767
Advertising and marketing	6,406		5,887
Loan and lease processing	6,181		5,960
Outside processing	4,481		3,645
Card processing and issuance costs	4,109		3,720
FDIC insurance	3,959		4,113
Other	25,075		25,654
Total other non-interest expense	$	64,037	$	53,348

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Business Segments (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Reportable segments, including a reconciliation of consolidated totals

Certain information for each of TCF's reportable segments, including reconciliations of TCF's consolidated totals, was as follows:

(In thousands)	Consumer Banking		Wholesale Banking		Enterprise Services			Consolidated
At or For the Three Months Ended March 31, 2017:
Net interest income	$	140,317	$	87,642	$	(5,845	)	$	222,114
Provision for credit losses	5,351		6,842		—			12,193
Non-interest income	72,762		30,719		33			103,514
Non-interest expense	169,289		65,562		9,155			244,006
Income tax expense (benefit)	13,510		15,068		(7,735		)	20,843
Income (loss) after income tax expense (benefit)	24,929		30,889		(7,232		)	48,586
Income attributable to non-controlling interest	—		2,308		—			2,308
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	24,929	$	28,581	$	(12,079	)	$	41,431
Total assets	$	8,662,681	$	10,834,463	$	2,339,424		$	21,836,568
Revenues from external customers:
Interest income	$	109,833	$	122,365	$	10,109		$	242,307
Non-interest income	72,762		30,719		33			103,514
Total	$	182,595	$	153,084	$	10,142		$	345,821
At or For the Three Months Ended March 31, 2016:
Net interest income	$	139,343	$	85,669	$	(13,354	)	$	211,658
Provision for credit losses	13,675		5,167		—			18,842
Non-interest income	81,061		30,613		928			112,602
Non-interest expense	160,520		62,105		5,709			228,334
Income tax expense (benefit)	16,831		16,406		(6,434		)	26,803
Income (loss) after income tax expense (benefit)	29,378		32,604		(11,701		)	50,281
Income attributable to non-controlling interest	—		2,235		—			2,235
Preferred stock dividends	—		—		4,847			4,847
Net income (loss) available to common stockholders	$	29,378	$	30,369	$	(16,548	)	$	43,199
Total assets	$	8,899,438	$	10,031,265	$	2,390,399		$	21,321,102
Revenues from external customers:
Interest income	$	112,950	$	111,894	$	7,498		$	232,342
Non-interest income	81,061		30,613		928			112,602
Total	$	194,011	$	142,507	$	8,426		$	344,944

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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2017

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Summary of components of other comprehensive income and the related tax effects

The components of other comprehensive income (loss) and the related tax effects were as follows:

	Three Months Ended March 31,
	2017									2016
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Net unrealized gains (losses) on securities available for sale and interest-only strips:
Unrealized gains (losses) arising during the period	$	4,162		$	(1,582	)	$	2,580		$	19,135		$	(7,268	)	$	11,867
Reclassification of net (gains) losses to net income	305			(116		)	189			274			(104		)	170
Net unrealized gains (losses)	4,467			(1,698		)	2,769			19,409			(7,372		)	12,037
Net unrealized gains (losses) on net investment hedges	(504		)	191			(313		)	(3,257		)	1,237			(2,020		)
Foreign currency translation adjustment(1)	581			—			581			3,409			—			3,409
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(12		)	5			(7		)	(12		)	5			(7		)
Total other comprehensive income (loss)	$	4,532		$	(1,502	)	$	3,030		$	19,549		$	(6,130	)	$	13,419

(1)  Foreign investments are deemed to be permanent in nature and therefore TCF does not provide for taxes on foreign currency translation adjustments.

Schedule of accumulated other comprehensive income

The components of accumulated other comprehensive income (loss) were as follows:

(In thousands)	Securities Available for Sale and Interest-only Strips			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended March 31, 2017:
Balance, beginning of period	$	(28,601	)	$	6,493		$	(11,764	)	$	147		$	(33,725	)
Other comprehensive income (loss)	2,580			(313		)	581			—			2,848
Amounts reclassified from accumulated other comprehensive income (loss)	189			—			—			(7		)	182
Net other comprehensive income (loss)	2,769			(313		)	581			(7		)	3,030
Balance, end of period	$	(25,832	)	$	6,180		$	(11,183	)	$	140		$	(30,695	)
At or For the Three Months Ended March 31, 2016:
Balance, beginning of period	$	(9,707	)	$	7,249		$	(13,064	)	$	176		$	(15,346	)
Other comprehensive income (loss)	11,867			(2,020		)	3,409			—			13,256
Amounts reclassified from accumulated other comprehensive income (loss)	170			—			—			(7		)	163
Net other comprehensive income (loss)	12,037			(2,020		)	3,409			(7		)	13,419
Balance, end of period	$	2,330		$	5,229		$	(9,655	)	$	169		$	(1,927	)

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Cash and Due from Banks (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Cash and Cash Equivalents [Abstract]
Reserve in cash on hand or at the Federal Reserve as required by Federal Reserve regulations	$ 110.7	$ 103.7
Total restricted cash balance	52.4	51.3
Cash held in interest-bearing accounts	$ 218.4	$ 326.5

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Basis of Presentation (Details) - Accounting Standards Update 2016-09 $ in Millions	Mar. 31, 2017 USD ($)
Retained Earnings
Change in Accounting Principle
Change in accounting principle	$ (1.3)
Additional Paid-in Capital
Change in Accounting Principle
Change in accounting principle	$ 1.3

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Securities Available for Sale and Securities Held to Maturity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Securities available for sale:
Amortized Cost	$ 1,504,481,000		$ 1,456,712,000
Gross Unrealized Gains	2,951,000		817,000
Gross Unrealized Losses	31,482,000		34,094,000
Fair Value	1,475,950,000		1,423,435,000
Securities available for sale sold during the period	0	$ 0
Impairment charges on securities available for sale	0	0
Securities held to maturity:
Amortized Cost	176,236,000		181,314,000
Gross Unrealized Gains	3,154,000		3,072,000
Gross Unrealized Losses	514,000		440,000
Fair Value	178,876,000		183,946,000
Impairment charges on securities held to maturity	0	$ 100,000
Mortgage-backed securities:
Securities available for sale:
Securities available for sale pledged as collateral	9,400,000		7,500,000
U.S. Government sponsored enterprises and federal agencies
Securities available for sale:
Amortized Cost	833,058,000		827,722,000
Gross Unrealized Gains	448,000		423,000
Gross Unrealized Losses	17,563,000		17,254,000
Fair Value	815,943,000		810,891,000
Securities held to maturity:
Amortized Cost	173,436,000		178,514,000
Gross Unrealized Gains	3,154,000		3,072,000
Gross Unrealized Losses	514,000		440,000
Fair Value	176,076,000		181,146,000
Mortgage-backed securities, Other
Securities available for sale:
Amortized Cost	14,000		18,000
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	14,000		18,000
Obligations of states and political subdivisions
Securities available for sale:
Amortized Cost	671,409,000		628,972,000
Gross Unrealized Gains	2,503,000		394,000
Gross Unrealized Losses	13,919,000		16,840,000
Fair Value	659,993,000		612,526,000
Other securities
Securities held to maturity:
Amortized Cost	2,800,000		2,800,000
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	$ 2,800,000		$ 2,800,000

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Securities Available for Sale and Securities Held to Maturity (Details 2) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Gross unrealized losses and fair value of securities available for sale that are in a loss position
Less than 12 months, Fair Value	$ 1,171,460	$ 1,234,344
Less than 12 months, Unrealized Losses	31,482	34,094
12 months or more, Fair Value	0	0
12 months or more, Unrealized Losses	0	0
Total, fair value	1,171,460	1,234,344
Total, Unrealized Losses	31,482	34,094
Gross unrealized losses and fair value of securities held to maturity that are in a loss position
Less than 12 months, Fair Value	26,036	27,090
Less than 12 months, Unrealized Losses	491	440
12 months or more, Fair Value	489	0
12 months or more, Unrealized Losses	23	0
Total, fair value	26,525	27,090
Total, Unrealized Losses	514	440
U.S. Government sponsored enterprises and federal agencies
Gross unrealized losses and fair value of securities available for sale that are in a loss position
Less than 12 months, Fair Value	733,539	732,724
Less than 12 months, Unrealized Losses	17,563	17,254
12 months or more, Fair Value	0	0
12 months or more, Unrealized Losses	0	0
Total, fair value	733,539	732,724
Total, Unrealized Losses	17,563	17,254
Gross unrealized losses and fair value of securities held to maturity that are in a loss position
Less than 12 months, Fair Value	26,036	27,090
Less than 12 months, Unrealized Losses	491	440
12 months or more, Fair Value	489	0
12 months or more, Unrealized Losses	23	0
Total, fair value	26,525	27,090
Total, Unrealized Losses	514	440
Obligations of states and political subdivisions
Gross unrealized losses and fair value of securities available for sale that are in a loss position
Less than 12 months, Fair Value	437,921	501,620
Less than 12 months, Unrealized Losses	13,919	16,840
12 months or more, Fair Value	0	0
12 months or more, Unrealized Losses	0	0
Total, fair value	437,921	501,620
Total, Unrealized Losses	$ 13,919	$ 16,840

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Securities Available for Sale and Securities Held to Maturity (Details 3) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Amortized cost, securities available for sale
Due in one year or less	$ 0	$ 1
Due in 1-5 years	2,404	18
Due in 5-10 years	353,864	331,430
Due after 10 years	1,148,213	1,125,263
Amortized Cost	1,504,481	1,456,712
Fair value, securities available for sale
Due in one year or less	0	1
Due in 1-5 years	2,440	18
Due in 5-10 years	354,044	329,005
Due after 10 years	1,119,466	1,094,411
Fair Value	1,475,950	1,423,435
Amortized cost, securities held to maturity
Due in one year or less	0	0
Due in 1-5 years	1,400	1,400
Due in 5-10 years	1,400	1,400
Due after 10 years	173,436	178,514
Amortized Cost	176,236	181,314
Fair value, securities held to maturity
Due in one year or less	0	0
Due in 1-5 years	1,400	1,400
Due in 5-10 years	1,400	1,400
Due after 10	176,076	181,146
Fair Value	$ 178,876	$ 183,946

XML

Securities Available for Sale and Securities Held to Maturity (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest Income on Securities Available for Sale by Taxable Status
Securities available for sale	$ 7,980	$ 5,498
Securities available for sale
Interest Income on Securities Available for Sale by Taxable Status
Taxable interest income	4,654	3,818
Tax-exempt interest income	3,326	1,680
Securities available for sale	$ 7,980	$ 5,498

XML

Loans and Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	$ 17,974,894	$ 17,843,827
Loan and lease adjustments	56,700	54,100
Consumer real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	4,661,387	5,084,352
Commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	3,376,050	3,286,478
Commercial | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	2,674,329	2,634,191
Commercial | Permanent
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	2,402,702	2,356,287
Commercial | Construction and development
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	271,627	277,904
Commercial | Commercial business
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	701,721	652,287
Leasing and equipment finance
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	4,276,008	4,336,310
Inventory finance
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	2,864,248	2,470,175
Auto finance
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	2,780,416	2,647,741
Other
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	16,785	18,771
First mortgage lien | Consumer real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	2,166,691	2,292,596
Junior lien | Consumer real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans and leases	$ 2,494,696	$ 2,791,756

XML

Loans and Leases (Details 2) - Consumer Borrower - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Consumer Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales proceeds, net	$ 388,690	$ 326,961
Interest-only strips, initial value	1,347	5,661
Recorded investment in loans sold, including accrued interest	(380,762)	(322,501)
Net gains	9,275	10,121
Loans | Auto Finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales proceeds, net	254,164	453,747
Interest-only strips, initial value	0	4,841
Recorded investment in loans sold, including accrued interest	(250,588)	(446,365)
Net gains	$ 3,576	$ 12,223

XML

Loans and Leases (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Consumer Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Sales	$ 49,400
Consumer Real Estate Loan | Consumer Borrower
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only strips	25,418		$ 27,260
Contractual liabilities related to sale of loans	986		701
Impairment related to consumer real estate interest-only strips	579	$ 0
Auto Finance | Consumer Borrower
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only strips	10,365		12,892
Contractual liabilities related to sale of loans	150		$ 168
Impairment related to auto finance interest-only strips	$ 24	$ 5

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Allowance for loan and lease losses
Balance, beginning of period	$ 160,269	$ 156,054
Charge-offs	(18,902)	(16,667)
Recoveries	13,813	4,761
Net (charge-offs) recoveries	(5,089)	(11,906)
Provision for credit losses	12,193	18,842
Other	(7,207)	(2,916)
Balance, end of period	160,166	160,074
Consumer Real Estate
Allowance for loan and lease losses
Balance, beginning of period	59,448	67,992
Charge-offs	(3,452)	(6,061)
Recoveries	10,692	1,290
Net (charge-offs) recoveries	7,240	(4,771)
Provision for credit losses	(8,137)	5,025
Other	(4,700)	(1,518)
Balance, end of period	53,851	66,728
Commercial
Allowance for loan and lease losses
Balance, beginning of period	32,695	30,185
Charge-offs	(2,732)	(28)
Recoveries	65	219
Net (charge-offs) recoveries	(2,667)	191
Provision for credit losses	3,669	1,171
Other	0	0
Balance, end of period	33,697	31,547
Leasing and Equipment Finance
Allowance for loan and lease losses
Balance, beginning of period	21,350	19,018
Charge-offs	(2,046)	(1,972)
Recoveries	614	681
Net (charge-offs) recoveries	(1,432)	(1,291)
Provision for credit losses	1,386	1,727
Other	(47)	0
Balance, end of period	21,257	19,454
Inventory Finance
Allowance for loan and lease losses
Balance, beginning of period	13,932	11,128
Charge-offs	(219)	(641)
Recoveries	119	385
Net (charge-offs) recoveries	(100)	(256)
Provision for credit losses	1,965	2,263
Other	19	171
Balance, end of period	15,816	13,306
Auto Finance
Allowance for loan and lease losses
Balance, beginning of period	32,310	26,486
Charge-offs	(8,813)	(6,330)
Recoveries	1,233	883
Net (charge-offs) recoveries	(7,580)	(5,447)
Provision for credit losses	12,857	9,065
Other	(2,479)	(1,569)
Balance, end of period	35,108	28,535
Other
Allowance for loan and lease losses
Balance, beginning of period	534	1,245
Charge-offs	(1,640)	(1,635)
Recoveries	1,090	1,303
Net (charge-offs) recoveries	(550)	(332)
Provision for credit losses	453	(409)
Other	0	0
Balance, end of period	$ 437	$ 504

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 2) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Allowance for loan and lease losses:
Collectively evaluated for impairment	$ 134,452	$ 131,569
Individually evaluated for impairment	25,714	28,700
Total	160,166	160,269	$ 160,074	$ 156,054
Loans and leases outstanding:
Collectively evaluated for impairment	17,734,971	17,569,357
Individually evaluated for impairment	239,910	274,453
Total loans and leases	17,974,894	17,843,827
Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	13	17
Consumer Real Estate
Allowance for loan and lease losses:
Collectively evaluated for impairment	33,472	36,103
Individually evaluated for impairment	20,379	23,345
Total	53,851	59,448	66,728	67,992
Loans and leases outstanding:
Collectively evaluated for impairment	4,497,659	4,884,653
Individually evaluated for impairment	163,728	199,699
Total loans and leases	4,661,387	5,084,352
Consumer Real Estate | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	0	0
Commercial
Allowance for loan and lease losses:
Collectively evaluated for impairment	32,698	31,430
Individually evaluated for impairment	999	1,265
Total	33,697	32,695	31,547	30,185
Loans and leases outstanding:
Collectively evaluated for impairment	3,332,256	3,242,389
Individually evaluated for impairment	43,794	44,089
Total loans and leases	3,376,050	3,286,478
Commercial | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	0	0
Leasing and Equipment Finance
Allowance for loan and lease losses:
Collectively evaluated for impairment	18,829	19,093
Individually evaluated for impairment	2,428	2,257
Total	21,257	21,350	19,454	19,018
Loans and leases outstanding:
Collectively evaluated for impairment	4,258,234	4,320,129
Individually evaluated for impairment	17,761	16,165
Total loans and leases	4,276,008	4,336,310
Leasing and Equipment Finance | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	13	16
Inventory Finance
Allowance for loan and lease losses:
Collectively evaluated for impairment	14,789	13,304
Individually evaluated for impairment	1,027	628
Total	15,816	13,932	13,306	11,128
Loans and leases outstanding:
Collectively evaluated for impairment	2,859,086	2,465,041
Individually evaluated for impairment	5,162	5,134
Total loans and leases	2,864,248	2,470,175
Inventory Finance | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	0	0
Auto Finance
Allowance for loan and lease losses:
Collectively evaluated for impairment	34,228	31,106
Individually evaluated for impairment	880	1,204
Total	35,108	32,310	28,535	26,486
Loans and leases outstanding:
Collectively evaluated for impairment	2,770,956	2,638,380
Individually evaluated for impairment	9,460	9,360
Total loans and leases	2,780,416	2,647,741
Auto Finance | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	0	1
Other
Allowance for loan and lease losses:
Collectively evaluated for impairment	436	533
Individually evaluated for impairment	1	1
Total	437	534	$ 504	$ 1,245
Loans and leases outstanding:
Collectively evaluated for impairment	16,780	18,765
Individually evaluated for impairment	5	6
Total loans and leases	16,785	18,771
Other | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	$ 0	$ 0

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	$ 17,835,913		$ 17,662,382
Non-accrual	138,981		181,445
Total loans and leases	17,974,894		17,843,827
Interest income recognized on loans and leases in non-accrual status and contractual interest that would have been recorded had the loans and leases performed in accordance with their original contractual terms
Contractual interest due on non-accrual loans and leases	4,498	$ 5,267
Interest income recognized on non-accrual loans and leases	1,056	966
Unrecognized interest income	3,442	$ 4,301
Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	17,820,029		17,641,553
60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	10,829		15,278
90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	5,055		5,551
Financing receivables
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	17,835,865		17,662,269
Non-accrual	138,981		181,445
Total loans and leases	17,974,846		17,843,714
Financing receivables | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	17,819,981		17,641,440
Financing receivables | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	10,829		15,278
Financing receivables | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	5,055		5,551
Consumer Real Estate
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	4,559,450		4,931,881
Non-accrual	101,937		152,471
Total loans and leases	4,661,387		5,084,352
Consumer Real Estate | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	4,552,406		4,921,752
Consumer Real Estate | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	4,859		7,985
Consumer Real Estate | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2,185		2,144
First mortgage lien
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,089,750		2,186,471
Non-accrual	76,941		106,125
Total loans and leases	2,166,691		2,292,596
First mortgage lien | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,083,889		2,177,746
First mortgage lien | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	3,676		6,581
First mortgage lien | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2,185		2,144
Junior lien
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,469,700		2,745,410
Non-accrual	24,996		46,346
Total loans and leases	2,494,696		2,791,756
Junior lien | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,468,517		2,744,006
Junior lien | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,183		1,404
Junior lien | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Consumer real estate loans to customers in bankruptcy
Accruing and Non-accrual Loans and Leases
Non-accrual	15,494		21,372
Total loans and leases	27,986		35,047
Consumer real estate loans to customers in bankruptcy | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	12,492		13,675
Total commercial
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,363,353		3,280,559
Non-accrual	12,697		5,919
Total loans and leases	3,376,050		3,286,478
Total commercial | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,363,353		3,280,559
Total commercial | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Total commercial | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Commercial real estate
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,664,062		2,628,627
Non-accrual	10,267		5,564
Total loans and leases	2,674,329		2,634,191
Commercial real estate | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,664,062		2,628,627
Commercial real estate | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Commercial real estate | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Commercial business
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	699,291		651,932
Non-accrual	2,430		355
Total loans and leases	701,721		652,287
Commercial business | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	699,291		651,932
Commercial business | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Commercial business | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Leasing and equipment finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	4,263,687		4,325,318
Non-accrual	12,274		10,880
Total loans and leases	4,275,961		4,336,198
Leasing and equipment finance | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	4,258,433		4,320,795
Leasing and equipment finance | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	3,939		3,478
Leasing and equipment finance | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,315		1,045
Inventory Finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,859,086		2,465,041
Non-accrual	5,162		5,134
Total loans and leases	2,864,248		2,470,175
Inventory Finance | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,858,986		2,464,986
Inventory Finance | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	87		16
Inventory Finance | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	13		39
Auto finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,773,506		2,640,702
Non-accrual	6,909		7,038
Total loans and leases	2,780,415		2,647,740
Auto finance | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,770,028		2,634,600
Auto finance | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,942		3,785
Auto finance | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,536		2,317
Other
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	16,783		18,768
Non-accrual	2		3
Total loans and leases	16,785		18,771
Other | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	16,775		18,748
Other | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2		14
Other | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	6		6
Portfolios acquired with deteriorated credit quality
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	48		113
Non-accrual	0		0
Total loans and leases	48		113
Portfolios acquired with deteriorated credit quality | Current-59 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	48		113
Portfolios acquired with deteriorated credit quality | 60-89 Days Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0
Portfolios acquired with deteriorated credit quality | 90 Days or More Delinquent and Accruing
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	$ 0		$ 0

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 4) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Loan Modifications for Borrowers with Financial Difficulties
TDR loans	$ 175.6		$ 207.4
Accruing TDR Loans	117.4		126.0
Unfunded commitments to consumer real estate and commercial loans classified as TDRs	0.5		0.4
Commercial Borrower
Loan Modifications for Borrowers with Financial Difficulties
TDR loans	22.5		22.5
Accruing TDR Loans	13.4		20.3
Allowance on accruing TDR loans	$ 0.1		$ 1.1
Allowance on accruing TDR loans (as a percent)	0.10%		5.60%
Delinquency period of performing loans and leases	60 days		60 days
Consumer Real Estate Loan | Consumer Borrower
Loan Modifications for Borrowers with Financial Difficulties
TDR loans	$ 138.1		$ 170.6
Accruing TDR Loans	$ 96.3		98.6
Average yield on TDR loans (as a percent)	4.20%	4.10%
Contractual average rate of TDR loans (as a percent)	6.60%	6.70%
Allowance on accruing TDR loans	$ 18.8		$ 19.3
Allowance on accruing TDR loans (as a percent)	19.50%		19.60%
Assumed remaining re-default rate used in determining impairment, low end of range (as a percent)	10.00%		10.00%
Assumed remaining re-default rate used in determining impairment, high end of range (as a percent)	33.00%		33.00%
Percent of accruing TDR loans more than 60 days delinquent	0.90%		1.50%
Delinquency period of performing loans and leases	60 days		60 days
Minimum period to be considered for related third-party first mortgage liens to be past due before Junior lien loans are placed on non-accrual status	90 days		90 days
Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed	$ 26.2		$ 47.4
Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed (as a percent)	62.70%		65.90%
Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed, current (as a percent)	70.00%		82.20%
Consumer Real Estate Loan | Consumer Borrower | First mortgage lien
Loan Modifications for Borrowers with Financial Difficulties
Unrecognized Interest Income	$ 0.5	$ 0.5
Consumer Real Estate Loan | Consumer Borrower | Junior lien
Loan Modifications for Borrowers with Financial Difficulties
Unrecognized Interest Income	$ 0.2	$ 0.2

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 5) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Loan Modifications for Borrowers with Financial Difficulties
Minimum period for loans to be delinquent to be considered in default	90 days	90 days
Loan Balance	$ 11,223	$ 510
Consumer Real Estate Loan | Consumer Borrower
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	480	44
Consumer Real Estate Loan | Consumer Borrower | First mortgage lien
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	368	0
Consumer Real Estate Loan | Consumer Borrower | Junior lien
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	112	44
Consumer Real Estate Loan | Commercial real estate
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	6,681	0
Consumer Real Estate Loan | Commercial business
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	3,353	0
Commercial Financing Receivable | Commercial Borrower
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	10,034	0
Leasing and Equipment Finance
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	407	0
Auto Finance
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	$ 302	$ 466

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 6) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Impaired Loans
Unpaid Contractual Balance	$ 237,627		$ 287,526
Loan Balance	188,287		219,657
Related Allowance Recorded	24,214		26,728
Average Loan Balance	204,654	$ 236,732
Interest Income Recognized	2,124	2,007
Impaired loans with an allowance recorded
Impaired Loans
Unpaid Contractual Balance	168,755		215,346
Loan Balance	150,519		185,790
Related Allowance Recorded	24,214		26,728
Average Loan Balance	168,836	203,654
Interest Income Recognized	1,336	1,545
Impaired loans with an allowance recorded | Consumer real estate
Impaired Loans
Unpaid Contractual Balance	141,119		185,185
Loan Balance	124,236		156,011
Related Allowance Recorded	20,223		22,664
Average Loan Balance	140,806	181,150
Interest Income Recognized	1,171	1,465
Impaired loans with an allowance recorded | First mortgage lien
Impaired Loans
Unpaid Contractual Balance	100,409		122,704
Loan Balance	87,992		104,601
Related Allowance Recorded	15,410		16,835
Average Loan Balance	96,979	123,115
Interest Income Recognized	725	835
Impaired loans with an allowance recorded | Junior lien
Impaired Loans
Unpaid Contractual Balance	40,710		62,481
Loan Balance	36,244		51,410
Related Allowance Recorded	4,813		5,829
Average Loan Balance	43,827	58,035
Interest Income Recognized	446	630
Impaired loans with an allowance recorded | Total commercial
Impaired Loans
Unpaid Contractual Balance	6,492		10,097
Loan Balance	5,483		10,089
Related Allowance Recorded	999		1,265
Average Loan Balance	7,785	5,661
Interest Income Recognized	64	33
Impaired loans with an allowance recorded | Commercial real estate
Impaired Loans
Unpaid Contractual Balance	3,393		10,083
Loan Balance	3,394		10,075
Related Allowance Recorded	120		1,262
Average Loan Balance	6,733	5,645
Interest Income Recognized	16	33
Impaired loans with an allowance recorded | Commercial business
Impaired Loans
Unpaid Contractual Balance	3,099		14
Loan Balance	2,089		14
Related Allowance Recorded	879		3
Average Loan Balance	1,052	16
Interest Income Recognized	48	0
Impaired loans with an allowance recorded | Leasing and Equipment Finance
Impaired Loans
Unpaid Contractual Balance	11,342		9,900
Loan Balance	11,342		9,900
Related Allowance Recorded	1,169		1,044
Average Loan Balance	10,620	7,794
Interest Income Recognized	3	13
Impaired loans with an allowance recorded | Inventory Finance
Impaired Loans
Unpaid Contractual Balance	4,646		4,357
Loan Balance	4,655		4,365
Related Allowance Recorded	1,027		628
Average Loan Balance	4,510	1,579
Interest Income Recognized	52	16
Impaired loans with an allowance recorded | Auto Finance
Impaired Loans
Unpaid Contractual Balance	5,151		5,801
Loan Balance	4,798		5,419
Related Allowance Recorded	795		1,126
Average Loan Balance	5,109	7,460
Interest Income Recognized	46	18
Impaired loans with an allowance recorded | Other
Impaired Loans
Unpaid Contractual Balance	5		6
Loan Balance	5		6
Related Allowance Recorded	1		1
Average Loan Balance	6	10
Interest Income Recognized	0	0
Impaired loans without an allowance recorded
Impaired Loans
Unpaid Contractual Balance	68,872		72,180
Loan Balance	37,768		33,867
Average Loan Balance	35,818	33,078
Interest Income Recognized	788	462
Impaired loans without an allowance recorded | Consumer real estate
Impaired Loans
Unpaid Contractual Balance	35,571		45,454
Loan Balance	13,894		14,556
Average Loan Balance	14,225	3,555
Interest Income Recognized	570	200
Impaired loans without an allowance recorded | First mortgage lien
Impaired Loans
Unpaid Contractual Balance	17,007		18,539
Loan Balance	12,010		12,674
Average Loan Balance	12,342	3,045
Interest Income Recognized	318	52
Impaired loans without an allowance recorded | Junior lien
Impaired Loans
Unpaid Contractual Balance	18,564		26,915
Loan Balance	1,884		1,882
Average Loan Balance	1,883	510
Interest Income Recognized	252	148
Impaired loans without an allowance recorded | Total commercial
Impaired Loans
Unpaid Contractual Balance	28,194		21,955
Loan Balance	20,596		16,134
Average Loan Balance	18,365	27,701
Interest Income Recognized	174	251
Impaired loans without an allowance recorded | Commercial real estate
Impaired Loans
Unpaid Contractual Balance	27,690		21,601
Loan Balance	20,092		15,780
Average Loan Balance	17,936	23,820
Interest Income Recognized	174	251
Impaired loans without an allowance recorded | Commercial business
Impaired Loans
Unpaid Contractual Balance	504		354
Loan Balance	504		354
Average Loan Balance	429	3,881
Interest Income Recognized	0	0
Impaired loans without an allowance recorded | Inventory Finance
Impaired Loans
Unpaid Contractual Balance	506		767
Loan Balance	507		769
Average Loan Balance	638	220
Interest Income Recognized	44	11
Impaired loans without an allowance recorded | Auto Finance
Impaired Loans
Unpaid Contractual Balance	4,513		3,919
Loan Balance	2,771		2,408
Average Loan Balance	2,590	1,602
Interest Income Recognized	0	$ 0
Impaired loans without an allowance recorded | Other
Impaired Loans
Unpaid Contractual Balance	88		85
Loan Balance	$ 0		$ 0

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Long-term Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt instrument
Long-term borrowings	$ 1,241,155	$ 1,073,181
Federal Home Loan Bank advances
Debt instrument
Long-term borrowings	850,000	675,000
Variable-rate FHLB advances prepayable monthly	850,000
Federal Home Loan Bank advances | Maturity Year 2017 | TCF Bank
Debt instrument
Loans pledged as collateral	4,400,000
Federal Home Loan Bank advances | Maturity Year 2018
Debt instrument
Long-term borrowings	$ 100,000	$ 375,000
Stated Rate	0.99%
Federal Home Loan Bank advances | Maturity Year 2018 | Minimum
Debt instrument
Stated Rate		0.72%
Federal Home Loan Bank advances | Maturity Year 2018 | Maximum
Debt instrument
Stated Rate		0.81%
Federal Home Loan Bank advances | Maturity Year 2019
Debt instrument
Long-term borrowings	$ 750,000	$ 300,000
Federal Home Loan Bank advances | Maturity Year 2019 | Minimum
Debt instrument
Stated Rate	0.99%	0.78%
Federal Home Loan Bank advances | Maturity Year 2019 | Maximum
Debt instrument
Stated Rate	1.04%	0.81%
Subordinated bank notes
Debt instrument
Long-term borrowings	$ 254,945	$ 255,357
Subordinated bank notes | Maturity Year 2022
Debt instrument
Long-term borrowings	$ 108,706	$ 108,654
Stated Rate	6.25%	6.25%
Subordinated bank notes | Maturity Year 2025
Debt instrument
Long-term borrowings	$ 148,101	$ 148,052
Stated Rate	4.60%	4.60%
Subordinated bank notes | Maturity Year 2025, Interest Rate Swap
Debt instrument
Long-term borrowings	$ (1,862)	$ (1,349)
Discounted lease rentals
Debt instrument
Long-term borrowings	133,436	140,060
Discounted lease rentals | Maturity Year 2017
Debt instrument
Long-term borrowings	$ 42,108	$ 57,081
Discounted lease rentals | Maturity Year 2017 | Minimum
Debt instrument
Stated Rate	2.45%	2.45%
Discounted lease rentals | Maturity Year 2017 | Maximum
Debt instrument
Stated Rate	7.88%	7.88%
Discounted lease rentals | Maturity Year 2018
Debt instrument
Long-term borrowings	$ 44,807	$ 42,132
Discounted lease rentals | Maturity Year 2018 | Minimum
Debt instrument
Stated Rate	2.55%	2.55%
Discounted lease rentals | Maturity Year 2018 | Maximum
Debt instrument
Stated Rate	7.95%	7.95%
Discounted lease rentals | Maturity Year 2019
Debt instrument
Long-term borrowings	$ 27,320	$ 24,671
Discounted lease rentals | Maturity Year 2019 | Minimum
Debt instrument
Stated Rate	2.53%	2.53%
Discounted lease rentals | Maturity Year 2019 | Maximum
Debt instrument
Stated Rate	6.00%	6.00%
Discounted lease rentals | Maturity Year 2020
Debt instrument
Long-term borrowings	$ 13,383	$ 11,753
Discounted lease rentals | Maturity Year 2020 | Minimum
Debt instrument
Stated Rate	2.64%	2.64%
Discounted lease rentals | Maturity Year 2020 | Maximum
Debt instrument
Stated Rate	6.90%	6.90%
Discounted lease rentals | Maturity Year 2021
Debt instrument
Long-term borrowings	$ 5,572	$ 4,423
Discounted lease rentals | Maturity Year 2021 | Minimum
Debt instrument
Stated Rate	2.88%	2.88%
Discounted lease rentals | Maturity Year 2021 | Maximum
Debt instrument
Stated Rate	5.00%	4.57%
Discounted lease rentals | Maturity Year 2022
Debt instrument
Long-term borrowings	$ 246	$ 0
Stated Rate		0.00%
Discounted lease rentals | Maturity Year 2022 | Minimum
Debt instrument
Stated Rate	3.95%
Discounted lease rentals | Maturity Year 2022 | Maximum
Debt instrument
Stated Rate	5.17%
Other long-term borrowings | Maturity Year 2017
Debt instrument
Long-term borrowings	$ 2,774	$ 2,764
Stated Rate	1.36%	1.36%

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Regulatory Capital Requirements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations
Number of prior calendar years considered for payment of dividends in excess of net retained profit	2 years
Net profits for the current year combined with retained net profits for preceding two calendar years	$ 361,200
Maximum
Compliance with Regulatory Capital Requirements under Banking Regulations
Percentage of net retained profits for the current year combined with retained net profits for the preceding two calendar years that can be declared as dividend	100.00%
TCF
Regulatory Capital:
Common equity Tier 1 capital	$ 2,003,988	$ 1,970,323
Tier 1 capital	2,288,736	2,248,221
Total capital	$ 2,667,204	$ 2,635,925
Common equity Tier 1 capital ratio
Actual, Ratio	10.11%	10.24%
Tier 1 risk-based capital ratio
Actual, Ratio	11.55%	11.68%
Total risk-based capital ratio
Actual, Ratio	13.46%	13.69%
Tier 1 leverage ratio
Actual, Ratio	10.64%	10.73%
TCF Bank
Compliance with Regulatory Capital Requirements under Banking Regulations
Capital conservation buffer excluded from minimum capital requirement	1.25%	0.625%
Regulatory Capital:
Common equity Tier 1 capital	$ 2,182,487	$ 2,144,966
Tier 1 capital	2,209,038	2,162,128
Total capital	$ 2,630,339	$ 2,583,512
Common equity Tier 1 capital ratio
Actual, Ratio	11.01%	11.14%
Well-Capitalized Capital Requirement, Ratio	6.50%
Minimum Capital Requirement, Ratio	4.50%
Tier 1 risk-based capital ratio
Actual, Ratio	11.15%	11.23%
Well-Capitalized Capital Requirement, Ratio	8.00%
Minimum Capital Requirement, Ratio	6.00%
Total risk-based capital ratio
Actual, Ratio	13.27%	13.42%
Well-Capitalized Capital Requirement, Ratio	10.00%
Minimum Capital Requirement, Ratio	8.00%
Tier 1 leverage ratio
Actual, Ratio	10.27%	10.32%
Well-Capitalized Capital Requirement, Ratio	5.00%
Minimum Capital Requirement, Ratio	4.00%

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Stock Compensation (Details) - $ / shares		3 Months Ended	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Restricted Stock Awards (RSAs)
Restricted Stock Awards, Shares Activity
Outstanding at the beginning of the period (in shares)		3,536,175
Granted (in shares)		134,621
Forfeited/cancelled (in shares)		(399,042)
Vested (in shares)		(578,843)
Outstanding at the end of the period (in shares)	2,692,911	2,692,911	3,536,175
Restricted Stock Awards, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding at the beginning (in dollars per share)		$ 12.81
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)		18.58
Weighted-Average Grant Date Fair Value, Forfeited/cancelled (in dollars per share)		10.32
Weighted-Average Grant Date Fair Value, Vested (in dollars per share)		14.82
Weighted-Average Grant Date Fair Value, Outstanding at the end (in dollars per share)	$ 13.04	13.04	$ 12.81
Restricted Stock Awards (RSAs) | Minimum
Restricted Stock Awards, Grant Date Fair Value Range
Grand Date Fair Value, Outstanding at the beginning (in dollars per share)		7.73
Grant Date Fair Value, Granted (in dollars per share)		18.47
Grant Date Fair Value, Forfeited/canceled (in dollars per share)		7.73
Grant Date Fair Value, Vested (in dollars per share)		9.36
Grand Date Fair Value, Outstanding at the end (in dollars per share)	7.73	7.73	7.73
Restricted Stock Awards (RSAs) | Maximum
Restricted Stock Awards, Grant Date Fair Value Range
Grand Date Fair Value, Outstanding at the beginning (in dollars per share)		16.28
Grant Date Fair Value, Granted (in dollars per share)		18.58
Grant Date Fair Value, Forfeited/canceled (in dollars per share)		15.74
Grant Date Fair Value, Vested (in dollars per share)		16.02
Grand Date Fair Value, Outstanding at the end (in dollars per share)	$ 18.58	$ 18.58	$ 16.28
Restricted Stock Units (RSUs) | Omnibus Incentive Plan
Restricted Stock Awards, Shares Activity
Vested (in shares)	0
Stock Options
Stock options, shares activity
Outstanding at the beginning of the period (in shares)		404,000
Granted (in shares)		0
Exercised (in shares)		(38,000)
Forfeited/canceled (in shares)		0
Vested (in shares)		0
Outstanding at the end of the period (in shares)	366,000	366,000	404,000
Stock Options, Weighted-Average Remaining Contractual Life
Weighted- Average Remaining Contractual Life		9 months 22 days	1 year 22 days
Weighted-Average Exercise Price
Weighted-Average Exercise Price, Outstanding at the beginning (in dollars per share)		$ 15.75
Weighted-Average Exercise Price, Granted (in dollars per share)		0.00
Weighted-Average Exercise Price, Exercised (in dollars per share)		15.75
Weighted-Average Exercise Price, Forfeited/canceled (in dollars per share)		0.00
Weighted-Average Exercise Price, Vested (in dollars per share)		0.00
Weighted-Average Exercise Price, Outstanding at the end (in dollars per share)	$ 15.75	$ 15.75	$ 15.75
Stock options outstanding and exercisable
Stock Options Exercisable (in shares)	366,000	366,000
Stock Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 15.75	$ 15.75
Stock Options | Omnibus Incentive Plan
Stock options, shares activity
Granted (in shares)		0
Stock Options | Incentive Stock Program
Stock options, shares activity
Granted (in shares)		0
Stock Options | Minimum
Stock Options, Exercise Price Range
Exercise price, Outstanding at the beginning (in dollars per share)		$ 15.75
Exercise price, Granted (in dollars per share)		0
Exercise price, Exercised (in dollars per share)		15.75
Exercise price, Forfeited/canceled (in dollars per share)		0
Exercise price, Vested (in dollars per share)		0
Exercise price, Outstanding at the end (in dollars per share)	15.75	15.75	15.75
Stock options outstanding and exercisable
Exercise price, Stock options exercisable (in dollars per share)		15.75
Stock Options | Maximum
Stock Options, Exercise Price Range
Exercise price, Outstanding at the beginning (in dollars per share)		15.75
Exercise price, Granted (in dollars per share)		0
Exercise price, Exercised (in dollars per share)		15.75
Exercise price, Forfeited/canceled (in dollars per share)		0
Exercise price, Vested (in dollars per share)		0
Exercise price, Outstanding at the end (in dollars per share)	$ 15.75	15.75	$ 15.75
Stock options outstanding and exercisable
Exercise price, Stock options exercisable (in dollars per share)		$ 15.75

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Stock Compensation (Details 2) - USD ($) $ in Millions		3 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Mar. 31, 2016
Restricted Stock Awards (RSAs)
Share-based compensation
Outstanding number of shares to vest only if certain return on asset goals, and service conditions are achieved (in shares)	350,000	350,000
Unrecognized stock compensation expense for restricted stock awards	$ 22.2	$ 22.2
Weighted-average amortization period		1 year 9 months 18 days
Restricted stock units vested (in shares)		578,843
Restricted Stock Awards and Restricted Stock Units
Share-based compensation
Compensation expense		$ 1.9	$ 2.3
Stock Options
Share-based compensation
Granted (in shares)		0
Omnibus Incentive Plan | Restricted Stock Units (RSUs)
Share-based compensation
Restricted stock units, grants in period (in shares)	360,988	360,988
Restricted stock, maximum multiplier		150.00%
Restricted stock units vested (in shares)	0
Remaining performance period for RSUs		2 years 4 months 24 days
Omnibus Incentive Plan | Stock Options
Share-based compensation
Granted (in shares)		0
Incentive Stock Program | Stock Options
Share-based compensation
Granted (in shares)		0

XML

Employee Benefit Plans (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Pension Plan
Net periodic benefit plan (income) cost included in compensation and employee benefits expense
Interest cost on projected benefit obligation	$ 285,000	$ 320,000
(Gain) loss on plan assets	(142,000)	(146,000)
Net periodic benefit plan (income) cost	143,000	174,000
TCF contributions	0	0
Postretirement Plan
Net periodic benefit plan (income) cost included in compensation and employee benefits expense
Interest cost on projected benefit obligation	34,000	38,000
Amortization of prior service cost	(12,000)	(12,000)
Net periodic benefit plan (income) cost	22,000	26,000
TCF contributions	$ 100,000	$ 100,000

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Derivative Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Derivative assets
Gross Amounts Recognized	$ 2,009	$ 6,320
Gross Amounts Offset	(122)	(2,072)
Net Amount Presented	1,887	4,248
Derivative liabilities
Gross Amounts Recognized	3,562	4,365
Gross Amounts Offset	(2,257)	(3,716)
Net Amount Presented	1,305	649
Interest rate contracts | Designated as Hedges
Derivative assets
Notional Amount	150,000
Gross Amounts Recognized	442
Gross Amounts Offset	(122)
Net Amount Presented	320
Derivative liabilities
Notional Amount		150,000
Gross Amounts Recognized		1,320
Gross Amounts Offset		(1,320)
Net Amount Presented		0
Interest rate contracts | Not Designated as Hedges
Derivative assets
Notional Amount	159,766	149,499
Gross Amounts Recognized	1,032	1,925
Gross Amounts Offset	0	(633)
Net Amount Presented	1,032	1,292
Derivative liabilities
Notional Amount	159,766	149,499
Gross Amounts Recognized	848	1,936
Gross Amounts Offset	(122)	(1,332)
Net Amount Presented	726	604
Forward foreign exchange contracts | Designated as Hedges
Derivative assets
Notional Amount		61,760
Gross Amounts Recognized		1,082
Gross Amounts Offset		0
Net Amount Presented		1,082
Derivative liabilities
Notional Amount	64,652
Gross Amounts Recognized	661
Gross Amounts Offset	(540)
Net Amount Presented	121
Forward foreign exchange contracts | Not Designated as Hedges
Derivative assets
Notional Amount	45,054	250,018
Gross Amounts Recognized	71	2,995
Gross Amounts Offset	0	(1,439)
Net Amount Presented	71	1,556
Derivative liabilities
Notional Amount	293,752	115,336
Gross Amounts Recognized	1,512	469
Gross Amounts Offset	(1,054)	(445)
Net Amount Presented	458	24
Interest rate lock commitments | Not Designated as Hedges
Derivative assets
Notional Amount	27,118	27,954
Gross Amounts Recognized	464	318
Gross Amounts Offset	0	0
Net Amount Presented	464	318
Derivative liabilities
Notional Amount	151	2,947
Gross Amounts Recognized	0	21
Gross Amounts Offset	0	0
Net Amount Presented	0	21
Other contracts | Not Designated as Hedges
Derivative liabilities
Notional Amount	13,804	13,804
Gross Amounts Recognized	541	619
Gross Amounts Offset	(541)	(619)
Net Amount Presented	$ 0	$ 0

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Derivative Instruments (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative instruments, gain (loss)
Net gain (loss) recognized	$ (3,089)	$ (26,042)
Net investment hedges:
Net unrealized gain (loss)	(504)	(3,257)
Other Comprehensive Income (Loss) | Designated as Hedges | Net Investment Hedges
Net investment hedges:
Net unrealized gain (loss)	(504)	(3,257)
Non-interest income | Designated as Hedges | Fair Value Hedging
Derivative instruments, gain (loss)
Net gain (loss) recognized	513	(6,371)
Interest rate contracts
Derivative, Collateral
Cash Collateral Posted	6,000
Interest rate contracts | Non-interest income | Designated as Hedges | Fair Value Hedging
Derivative instruments, gain (loss)
Net gain (loss) recognized	(501)	7,253
Interest rate contracts | Non-interest income | Not Designated as Hedges
Derivative instruments, gain (loss)
Net gain (loss) recognized	(9)	(91)
Forward foreign exchange contracts
Credit risk-related contingent features
Forward foreign exchange contracts with credit risk-related contingent features, notional value	63,800
Additional collateral required, if TCF was rated less than BB- by Standard and Poor's	1,300
Forward foreign exchange contracts with credit risk-related contingent features, net liability amount	200
Derivative, Collateral
Cash Collateral Posted	1,600
Forward foreign exchange contracts | Non-interest expense | Not Designated as Hedges
Derivative instruments, gain (loss)
Net gain (loss) recognized	(3,259)	(26,572)
Interest rate lock commitments | Non-interest income | Not Designated as Hedges
Derivative instruments, gain (loss)
Net gain (loss) recognized	167	(176)
Other contracts
Derivative, Collateral
Cash Collateral Posted	1,400
Other contracts | Non-interest expense | Not Designated as Hedges
Derivative instruments, gain (loss)
Net gain (loss) recognized	$ 0	$ (85)

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Fair Values Disclosures (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned	$ 32.0		$ 46.8
Repossessed and Returned Equipment at Carrying Value	9.4		$ 10.0
Measurement of fair value on a non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO and repossessed assets, written down	1.7	$ 2.9
Subordinated bank notes | Maturity Year 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Face Amount	$ 150.0

XML

Fair Values Disclosures (Details 2) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Securities held to maturity	$ 176,236	$ 181,314
U.S. Government sponsored enterprises and federal agencies
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Securities held to maturity	173,436	178,514
Measurement of fair value on a recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	1,541,739	1,500,142
Liabilities, Fair value carrying amount	28,289	27,741
Measurement of fair value on a recurring basis | Loans held for sale
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	3,362	6,498
Measurement of fair value on a recurring basis | Interest-only strip
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	35,783	40,152
Measurement of fair value on a recurring basis | Forward foreign exchange contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	71	4,077
Liabilities, Fair value carrying amount	2,173	469
Measurement of fair value on a recurring basis | Interest rate contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	1,474	1,925
Liabilities, Fair value carrying amount	848	3,256
Measurement of fair value on a recurring basis | Interest rate lock commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	464	318
Liabilities, Fair value carrying amount		21
Measurement of fair value on a recurring basis | Other contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	541	619
Measurement of fair value on a recurring basis | Forward loan sales commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	14	374
Liabilities, Fair value carrying amount	106	13
Measurement of fair value on a recurring basis | Assets held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	24,621	23,363
Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	24,621	23,363
Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	815,943	810,891
Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	14	18
Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	659,993	612,526
Measurement of fair value on a non-recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	120,464	151,546
Securities held to maturity		2,400
Loans	91,144	113,954
Repossessed and returned assets	6,184	5,567
Measurement of fair value on a non-recurring basis | Consumer real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	19,536	25,751
Measurement of fair value on a non-recurring basis | Commercial real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	3,600	3,874
Level 1 | Measurement of fair value on a recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	24,621	23,363
Liabilities, Fair value carrying amount	24,621	23,363
Level 1 | Measurement of fair value on a recurring basis | Loans held for sale
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Interest-only strip
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Forward foreign exchange contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Interest rate contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Interest rate lock commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount		0
Level 1 | Measurement of fair value on a recurring basis | Other contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Forward loan sales commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Assets held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	24,621	23,363
Level 1 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	24,621	23,363
Level 1 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a non-recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Securities held to maturity		0
Loans	0	0
Repossessed and returned assets	0	0
Level 1 | Measurement of fair value on a non-recurring basis | Consumer real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	0	0
Level 1 | Measurement of fair value on a non-recurring basis | Commercial real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	0	0
Level 2 | Measurement of fair value on a recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	1,477,481	1,429,419
Liabilities, Fair value carrying amount	3,021	3,725
Level 2 | Measurement of fair value on a recurring basis | Loans held for sale
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Interest-only strip
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Forward foreign exchange contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	71	4,077
Liabilities, Fair value carrying amount	2,173	469
Level 2 | Measurement of fair value on a recurring basis | Interest rate contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	1,474	1,925
Liabilities, Fair value carrying amount	848	3,256
Level 2 | Measurement of fair value on a recurring basis | Interest rate lock commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount		0
Level 2 | Measurement of fair value on a recurring basis | Other contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Forward loan sales commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Assets held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	815,943	810,891
Level 2 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	659,993	612,526
Level 2 | Measurement of fair value on a non-recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	3,307	2,767
Securities held to maturity		0
Loans	0	0
Repossessed and returned assets	3,307	2,767
Level 2 | Measurement of fair value on a non-recurring basis | Consumer real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	0	0
Level 2 | Measurement of fair value on a non-recurring basis | Commercial real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	0	0
Level 3 | Measurement of fair value on a recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	39,637	47,360
Liabilities, Fair value carrying amount	647	653
Level 3 | Measurement of fair value on a recurring basis | Loans held for sale
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	3,362	6,498
Level 3 | Measurement of fair value on a recurring basis | Interest-only strip
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	35,783	40,152
Level 3 | Measurement of fair value on a recurring basis | Forward foreign exchange contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Interest rate contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Liabilities, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Interest rate lock commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	464	318
Liabilities, Fair value carrying amount		21
Level 3 | Measurement of fair value on a recurring basis | Other contracts
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	541	619
Level 3 | Measurement of fair value on a recurring basis | Forward loan sales commitments
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	14	374
Liabilities, Fair value carrying amount	106	13
Level 3 | Measurement of fair value on a recurring basis | Assets held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Liabilities, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	14	18
Level 3 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a non-recurring basis
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Assets, Fair value carrying amount	117,157	148,779
Securities held to maturity		2,400
Loans	91,144	113,954
Repossessed and returned assets	2,877	2,800
Level 3 | Measurement of fair value on a non-recurring basis | Consumer real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	19,536	25,751
Level 3 | Measurement of fair value on a non-recurring basis | Commercial real estate
Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis
Other Real Estate Owned, Fair value disclosure	$ 3,600	$ 3,874

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Fair Values Disclosures (Details 3) - Level 3 - Measurement of fair value on a recurring basis - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest rate lock commitments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	$ 297	$ 716
Net income	167	(176)
Other comprehensive income (loss)	0
Sales	0	0
Originations	0	0
Principal paydowns / settlements	0	0
Ending balance	464	540
Forward loan sales commitments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	361	265
Net income	(453)	(234)
Other comprehensive income (loss)	0
Sales	0	0
Originations	0	0
Principal paydowns / settlements	0	0
Ending balance	(92)	31
Other Contract
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	(619)	(305)
Net income	0	(85)
Other comprehensive income (loss)	0
Sales	0	0
Originations	0	0
Principal paydowns / settlements	78	79
Ending balance	(541)	(311)
Securities available for sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	18	34
Net income	0	0
Other comprehensive income (loss)	0
Sales	0	0
Originations	0	0
Principal paydowns / settlements	(4)	(6)
Ending balance	14	28
Loans held for sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	6,498	10,568
Net income	104	138
Other comprehensive income (loss)	0
Sales	(46,714)	(79,231)
Originations	43,479	74,092
Principal paydowns / settlements	(5)	0
Ending balance	3,362	5,567
Interest-only Strips
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	40,152	44,332
Net income	1,113	1,465
Other comprehensive income (loss)	(328)
Sales	0	0
Originations	1,347	10,502
Principal paydowns / settlements	(6,501)	(7,572)
Ending balance	$ 35,783	$ 48,727

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Fair Values Disclosures (Details 4) - Loans held for sale - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value carrying amount	$ 3,362		$ 6,498
Aggregate unpaid principal amount	3,297		6,563
Fair value carrying amount less aggregate unpaid principal	65		$ (65)
Gain (Loss) on Sales of Consumer Loans
Fair Value, Option, Quantitative Disclosures [Line Items]
Net gain from initial measurement of the above loans and subsequent changes in fair value for loans outstanding	$ 1,100	$ 1,900

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Fair Values Disclosures (Details 5) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Financial instrument assets:
Securities held to maturity	$ 176,236	$ 181,314
Loans:
Consumer real estate	4,661,387	5,084,352
Inventory finance	2,864,248	2,470,175
Auto finance	2,780,416	2,647,741
Other	16,785	18,771
Allowance for loan losses	(160,166)	(160,269)	$ (160,074)	$ (156,054)
Carrying Amount
Financial instrument assets:
Investments	81,717	74,714
Securities held to maturity	176,236	181,314
Loans held for sale	604,714	268,832
Loans:
Consumer real estate	4,661,387	5,084,352
Commercial real estate	2,674,329	2,634,191
Commercial business	701,721	652,287
Equipment finance	1,986,353	2,016,732
Inventory finance	2,864,248	2,470,175
Auto finance	2,780,416	2,647,741
Other	16,785	18,771
Allowance for loan losses	(160,166)	(160,269)
Securitization receivable	18,929	18,835
Total financial instrument assets	16,406,669	15,907,675
Financial instrument liabilities:
Deposits	17,465,590	17,242,522
Long-term borrowings	1,241,155	1,073,181
Total financial instrument liabilities	18,706,745	18,315,703
Financial instruments with off-balance sheet risk:
Commitments to extend credit	20,222	21,681
Standby letters of credit	(29)	(29)
Total financial instruments with off-balance sheet risk	20,193	21,652
Estimated Fair Value
Financial instrument assets:
Investments	81,717	74,714
Securities held to maturity	178,876	183,946
Loans held for sale	633,698	282,786
Loans:
Consumer real estate	4,740,497	5,165,062
Commercial real estate	2,628,356	2,583,775
Commercial business	676,776	631,215
Equipment finance	1,957,281	1,983,237
Inventory finance	2,845,408	2,453,184
Auto finance	2,782,533	2,656,266
Other	15,172	17,780
Allowance for loan losses	0	0
Securitization receivable	18,929	18,835
Total financial instrument assets	16,559,243	16,050,800
Financial instrument liabilities:
Deposits	17,485,613	17,262,784
Long-term borrowings	1,245,937	1,076,639
Total financial instrument liabilities	18,731,550	18,339,423
Financial instruments with off-balance sheet risk:
Commitments to extend credit	20,222	21,681
Standby letters of credit	(29)	(29)
Total financial instruments with off-balance sheet risk	20,193	21,652
Estimated Fair Value | Level 1
Financial instrument assets:
Investments	0	0
Securities held to maturity	0	0
Loans held for sale	0	0
Loans:
Consumer real estate	0	0
Commercial real estate	0	0
Commercial business	0	0
Equipment finance	0	0
Inventory finance	0	0
Auto finance	0	0
Other	0	0
Allowance for loan losses	0	0
Securitization receivable	0	0
Total financial instrument assets	0	0
Financial instrument liabilities:
Deposits	13,371,039	13,150,099
Long-term borrowings	0	0
Total financial instrument liabilities	13,371,039	13,150,099
Financial instruments with off-balance sheet risk:
Commitments to extend credit	0	0
Standby letters of credit	0	0
Total financial instruments with off-balance sheet risk	0	0
Estimated Fair Value | Level 2
Financial instrument assets:
Investments	81,717	74,714
Securities held to maturity	176,076	181,146
Loans held for sale	0	0
Loans:
Consumer real estate	0	0
Commercial real estate	0	0
Commercial business	0	0
Equipment finance	0	0
Inventory finance	0	0
Auto finance	0	0
Other	0	0
Allowance for loan losses	0	0
Securitization receivable	0	0
Total financial instrument assets	257,793	255,860
Financial instrument liabilities:
Deposits	4,114,574	4,112,685
Long-term borrowings	1,243,163	1,073,875
Total financial instrument liabilities	5,357,737	5,186,560
Financial instruments with off-balance sheet risk:
Commitments to extend credit	20,222	21,681
Standby letters of credit	(29)	(29)
Total financial instruments with off-balance sheet risk	20,193	21,652
Estimated Fair Value | Level 3
Financial instrument assets:
Investments	0	0
Securities held to maturity	2,800	2,800
Loans held for sale	633,698	282,786
Loans:
Consumer real estate	4,740,497	5,165,062
Commercial real estate	2,628,356	2,583,775
Commercial business	676,776	631,215
Equipment finance	1,957,281	1,983,237
Inventory finance	2,845,408	2,453,184
Auto finance	2,782,533	2,656,266
Other	15,172	17,780
Allowance for loan losses	0	0
Securitization receivable	18,929	18,835
Total financial instrument assets	16,301,450	15,794,940
Financial instrument liabilities:
Deposits	0	0
Long-term borrowings	2,774	2,764
Total financial instrument liabilities	2,774	2,764
Financial instruments with off-balance sheet risk:
Commitments to extend credit	0	0
Standby letters of credit	0	0
Total financial instruments with off-balance sheet risk	$ 0	$ 0

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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Basic Earnings Per Common Share:
Net income available to common stockholders	$ 41,431	$ 43,199
Earnings allocated to participating securities	8	11
Earnings allocated to common stock	$ 41,423	$ 43,188
Weighted-average common shares outstanding for basic earnings per common share (in shares)	167,902,615	166,887,293
Basic earnings per common share (in dollars per share)	$ 0.25	$ 0.26
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$ 41,423	$ 43,188
Weighted-average common shares outstanding used in basic earnings per common share calculation (in shares)	167,902,615	166,887,293
Net dilutive effect of:
Non-participating restricted stock (in shares)	436,442	502,270
Stock options (in shares)	41,626	45,645
Warrants (in shares)	149,051	0
Weighted-average common shares outstanding for diluted earnings per common share (in shares)	168,529,734.000	167,435,208.000
Diluted earnings per common share (in dollars per share)	$ 0.25	$ 0.26

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Earnings Per Common Share (Details 2) - shares shares in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Non-participating restricted stock, stock options and warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive securities excluded from computation of earnings per share (in shares)	0.5	5.0

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Other Non-interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other Income and Expenses [Abstract]
Professional fees	$ 7,193	$ 3,602
Severance	6,633	767
Advertising and marketing	6,406	5,887
Loan and lease processing	6,181	5,960
Outside processing	4,481	3,645
Card processing and issuance costs	4,109	3,720
FDIC insurance	3,959	4,113
Other	25,075	25,654
Total other non-interest expense	$ 64,037	$ 53,348

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Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information
Net interest income	$ 222,114	$ 211,658
Provision for credit losses	12,193	18,842
Non-interest income	103,514	112,602
Non-interest expense	244,006	228,334
Income tax expense (benefit)	20,843	26,803
Income after income tax expense	48,586	50,281
Income attributable to non-controlling interest	2,308	2,235
Preferred stock dividends	4,847	4,847
Net income available to common stockholders	41,431	43,199
Total assets	21,836,568	21,321,102	$ 21,441,326
Revenues from external customers:
Interest income	242,307	232,342
Non-interest income	103,514	112,602
Total	345,821	344,944
Operating segments | Consumer Banking
Segment Reporting Information
Net interest income	140,317	139,343
Provision for credit losses	5,351	13,675
Non-interest income	72,762	81,061
Non-interest expense	169,289	160,520
Income tax expense (benefit)	13,510	16,831
Income after income tax expense	24,929	29,378
Income attributable to non-controlling interest	0	0
Preferred stock dividends	0	0
Net income available to common stockholders	24,929	29,378
Total assets	8,662,681	8,899,438
Revenues from external customers:
Interest income	109,833	112,950
Non-interest income	72,762	81,061
Total	182,595	194,011
Operating segments | Wholesale Banking
Segment Reporting Information
Net interest income	87,642	85,669
Provision for credit losses	6,842	5,167
Non-interest income	30,719	30,613
Non-interest expense	65,562	62,105
Income tax expense (benefit)	15,068	16,406
Income after income tax expense	30,889	32,604
Income attributable to non-controlling interest	2,308	2,235
Preferred stock dividends	0	0
Net income available to common stockholders	28,581	30,369
Total assets	10,834,463	10,031,265
Revenues from external customers:
Interest income	122,365	111,894
Non-interest income	30,719	30,613
Total	153,084	142,507
Operating segments | Enterprise Services
Segment Reporting Information
Net interest income	(5,845)	(13,354)
Provision for credit losses	0	0
Non-interest income	33	928
Non-interest expense	9,155	5,709
Income tax expense (benefit)	(7,735)	(6,434)
Income after income tax expense	(7,232)	(11,701)
Income attributable to non-controlling interest	0	0
Preferred stock dividends	4,847	4,847
Net income available to common stockholders	(12,079)	(16,548)
Total assets	2,339,424	2,390,399
Revenues from external customers:
Interest income	10,109	7,498
Non-interest income	33	928
Total	$ 10,142	$ 8,426

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive income (loss), before tax	$ 4,532	$ 19,549
Total other comprehensive income (loss), tax	(1,502)	(6,130)
Unrealized gains (losses) arising during the period, net of tax	2,848	13,256
Reclassification of net (gains) losses to net income, net of tax	182	163
Total other comprehensive income (loss), net of tax	3,030	13,419
Available-for-sale Securities Transferred to Held-to-maturity Securities Value			$ 191,700
Unrealized Holding Gain (Loss) Transfers from Available for Sale to Held to Maturity Retained in Accumulated Other Comprehensive Income	13,000	14,500
Net unrealized gains (losses) on securities available for sale and interest-only strips:
Accumulated Other Comprehensive Income (Loss)
Unrealized gains (losses) arising during the period, before tax	4,162	19,135
Reclassification of net (gains) losses to net income, before tax	305	274
Total other comprehensive income (loss), before tax	4,467	19,409
Unrealized gains (losses) arising during the period, tax	(1,582)	(7,268)
Reclassification of net (gains) losses to net income, tax	(116)	(104)
Total other comprehensive income (loss), tax	(1,698)	(7,372)
Unrealized gains (losses) arising during the period, net of tax	2,580	11,867
Reclassification of net (gains) losses to net income, net of tax	189	170
Total other comprehensive income (loss), net of tax	2,769	12,037
Net unrealized gains (losses) on net investment hedges
Accumulated Other Comprehensive Income (Loss)
Unrealized gains (losses) arising during the period, before tax	(504)	(3,257)
Unrealized gains (losses) arising during the period, tax	191	1,237
Unrealized gains (losses) arising during the period, net of tax	(313)	(2,020)
Reclassification of net (gains) losses to net income, net of tax	0	0
Total other comprehensive income (loss), net of tax	(313)	(2,020)
Foreign currency translation adjustment
Accumulated Other Comprehensive Income (Loss)
Unrealized gains (losses) arising during the period, before tax	581	3,409
Unrealized gains (losses) arising during the period, tax	0	0
Unrealized gains (losses) arising during the period, net of tax	581	3,409
Reclassification of net (gains) losses to net income, net of tax	0	0
Total other comprehensive income (loss), net of tax	581	3,409
Recognized postretirement prior service cost:
Accumulated Other Comprehensive Income (Loss)
Reclassification of net (gains) losses to net income, before tax	(12)	(12)
Reclassification of net (gains) losses to net income, tax	5	5
Unrealized gains (losses) arising during the period, net of tax	0	0
Reclassification of net (gains) losses to net income, net of tax	(7)	(7)
Total other comprehensive income (loss), net of tax	$ (7)	$ (7)

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Accumulated Other Comprehensive Income (Loss) (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	$ (33,725)	$ (15,346)
Other comprehensive income (loss)	2,848	13,256
Amounts reclassified from accumulated other comprehensive income (loss)	182	163
Total other comprehensive income (loss), net of tax	3,030	13,419
Comprehensive income at the end of the period	(30,695)	(1,927)
Securities Available for Sale and Interest-Only Strips
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	(28,601)	(9,707)
Other comprehensive income (loss)	2,580	11,867
Amounts reclassified from accumulated other comprehensive income (loss)	189	170
Total other comprehensive income (loss), net of tax	2,769	12,037
Comprehensive income at the end of the period	(25,832)	2,330
Net Investment Hedges
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	6,493	7,249
Other comprehensive income (loss)	(313)	(2,020)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income (loss), net of tax	(313)	(2,020)
Comprehensive income at the end of the period	6,180	5,229
Foreign Currency Translation Adjustment
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	(11,764)	(13,064)
Other comprehensive income (loss)	581	3,409
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income (loss), net of tax	581	3,409
Comprehensive income at the end of the period	(11,183)	(9,655)
Recognized Postretirement Prior Service Cost
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	147	176
Other comprehensive income (loss)	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(7)	(7)
Total other comprehensive income (loss), net of tax	(7)	(7)
Comprehensive income at the end of the period	$ 140	$ 169