10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended

June 30, 2015

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	(I.R.S. Employer Identification No.)
incorporation or organization)

200 Lake Street East, Mail Code EX0-03-A,

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 [X]                                                   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 [X]                                                   No [  ]

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

Large accelerated filer [X]                                                                                     Accelerated filer                  [   ]

Non-accelerated filer   [   ] (Do not check if a smaller reporting company)         Smaller reporting company [   ]

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

Yes [   ]                                                  No [X]

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	July 29, 2015
Common Stock, $.01 par value	169,214,437 shares

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

INDEX

Part I. Financial Information	Pages
Item 1. Financial Statements
Consolidated Statements of Financial Condition at June 30, 2015 and December 31, 2014	1
Consolidated Statements of Income for the Three and Six Months Ended June 30, 2015 and 2014	2
Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2015 and 2014	3
Consolidated Statements of Equity for the Six Months Ended June 30, 2015 and 2014	4
Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2015 and 2014	5
Notes to Consolidated Financial Statements	6
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	38
Item 3. Quantitative and Qualitative Disclosures About Market Risk	57
Item 4. Controls and Procedures	58
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 June 30, 2015			At December 31, 2014
	(Unaudited)
Assets:
Cash and due from banks	$	912,461		$	1,115,250
Investments	78,518			85,492
Securities held to maturity	208,911			214,454
Securities available for sale	629,848			463,294
Loans and leases held for sale	200,034			132,266
Loans and leases:
Consumer real estate:
First mortgage lien	2,865,911			3,139,152
Junior lien	2,678,118			2,543,212
Total consumer real estate	5,544,029			5,682,364
Commercial	3,112,344			3,157,665
Leasing and equipment finance	3,791,215			3,745,322
Inventory finance	2,106,087			1,877,090
Auto finance	2,301,714			1,915,061
Other	21,852			24,144
Total loans and leases	16,877,241			16,401,646
Allowance for loan and lease losses	(156,115		)	(164,169		)
Net loans and leases	16,721,126			16,237,477
Premises and equipment, net	435,600			436,361
Goodwill	225,640			225,640
Other assets	414,212			484,377
Total assets	$	19,826,350		$	19,394,611
Liabilities and Equity:
Deposits:
Checking	$	5,375,818		$	5,195,243
Savings	4,968,398			5,212,320
Money market	2,286,773			1,993,130
Certificates of deposit	3,196,230			3,049,189
Total deposits	15,827,219			15,449,882
Short-term borrowings	7,305			4,425
Long-term borrowings	1,210,736			1,232,065
Total borrowings	1,218,041			1,236,490
Accrued expenses and other liabilities	559,068			572,875
Total liabilities	17,604,328			17,259,247
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;
169,144,261 and 167,503,568 shares issued, respectively	1,691			1,675
Additional paid-in capital	838,755			817,130
Retained earnings, subject to certain restrictions	1,165,753			1,099,914
Accumulated other comprehensive income (loss)	(16,370		)	(10,910		)
Treasury stock at cost, 42,566 shares, and other	(50,558		)	(49,400		)
Total TCF Financial Corporation stockholders' equity	2,202,511			2,121,649
Non-controlling interest in subsidiaries	19,511			13,715
Total equity	2,222,022			2,135,364
Total liabilities and equity	$	19,826,350		$	19,394,611

See accompanying notes to consolidated financial statements.

1

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Income

(Unaudited) 

	Three Months Ended   June 30,					Six Months Ended   June 30,
(In thousands, except per-share data)	2015			2014		2015			2014
Interest income:
Loans and leases	$	207,164		$	206,788	$	413,140		$	409,325
Securities available for sale	3,543			2,805		6,623			5,968
Securities held to maturity	1,384			1,443		2,789			2,407
Investments and other	10,990			9,055		20,323			17,018
Total interest income	223,081			220,091		442,875			434,718
Interest expense:
Deposits	11,080			8,877		22,152			16,914
Borrowings	5,972			5,113		11,274			10,429
Total interest expense	17,052			13,990		33,426			27,343
Net interest income	206,029			206,101		409,449			407,375
Provision for credit losses	12,528			9,909		25,319			24,401
Net interest income after provision for credit losses	193,501			196,192		384,130			382,974
Non-interest income:
Fees and service charges	36,295			38,035		70,267			74,654
Card revenue	13,902			13,249		26,803			25,499
ATM revenue	5,540			5,794		10,662			11,113
Subtotal	55,737			57,078		107,732			111,266
Gains on sales of auto loans, net	10,756			7,270		17,021			15,740
Gains on sales of consumer real estate loans, net	11,954			8,151		20,717			19,857
Servicing fee income	7,216			4,892		14,558			9,199
Subtotal	29,926			20,313		52,296			44,796
Leasing and equipment finance	26,385			23,069		48,609			45,049
Other	1,460			2,789		5,587			5,171
Fees and other revenue	113,508			103,249		214,224			206,282
Gains (losses) on securities, net	(59		)	767		(137		)	1,141
Total non-interest income	113,449			104,016		214,087			207,423
Non-interest expense:
Compensation and employee benefits	116,159			109,664		231,974			224,753
Occupancy and equipment	36,152			34,316		72,979			69,155
FDIC insurance	4,864			7,625		10,257			15,188
Operating lease depreciation	8,582			6,613		16,316			12,840
Advertising and marketing	5,150			6,245		11,673			12,141
Other	45,887			42,618		94,020			83,953
Subtotal	216,794			207,081		437,219			418,030
Foreclosed real estate and repossessed assets, net	6,377			5,743		12,573			11,811
Other credit costs, net	(62		)	371		84			490
Total non-interest expense	223,109			213,195		449,876			430,331
Income before income tax expense	83,841			87,013		148,341			160,066
Income tax expense	28,902			31,385		51,730			57,964
Income after income tax expense	54,939			55,628		96,611			102,102
Income attributable to non-controlling interest	2,684			2,503		4,555			4,220
Net income attributable to TCF Financial Corporation	52,255			53,125		92,056			97,882
Preferred stock dividends	4,847			4,847		9,694			9,694
Net income available to common stockholders	$	47,408		$	48,278	$	82,362		$	88,188
Net income per common share:
Basic	$	0.29		$	0.30	$	0.50		$	0.54
Diluted	$	0.29		$	0.29	$	0.50		$	0.54

See accompanying notes to consolidated financial statements.

2

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income

(Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Net income attributable to TCF Financial Corporation	$	52,255		$	53,125		$	92,056		$	97,882
Other comprehensive income (loss):
Securities available for sale:
Unrealized gains (losses) arising during the period	(11,140		)	8,648			(7,001		)	20,514
Reclassification of net (gains) losses to net income	286			(452		)	590			(629		)
Net investment hedges:
Unrealized gains (losses) arising during the period	(674		)	(1,382		)	2,914			(172		)
Foreign currency translation adjustment:
Unrealized gains (losses) arising during the period	617			1,399			(3,269		)	23
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(11		)	(11		)	(23		)	(23		)
Income tax (expense) benefit	4,358			(2,561		)	1,329			(7,415		)
Total other comprehensive income (loss)	(6,564		)	5,641			(5,460		)	12,298
Comprehensive income	$	45,691		$	58,766		$	86,596		$	110,180

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, 2013	4,006,900	165,164,861		$	263,240	$	1,652		$	779,641		$	977,846		$	(27,213	)	$	(42,198	)	$	1,952,968		$	11,791	$	1,964,759
Net income attributable to TCF Financial Corporation	—	—		—		—			—			97,882			—			—			97,882			4,220		102,102
Other comprehensive income (loss)	—	—		—		—			—			—			12,298			—			12,298			—		12,298
Net investment by (distribution to) non-controlling interest	—	—		—		—			—			—			—			—			—			794		794
Dividends on preferred stock	—	—		—		—			—			(9,694		)	—			—			(9,694		)	—		(9,694		)
Dividends on common stock	—	—		—		—			—			(16,309		)	—			—			(16,309		)	—		(16,309		)
Grants of restricted stock	—	1,052,898		—		10			(10		)	—			—			—			—			—		—
Common shares purchased by TCF employee benefit plans	—	816,570		—		8			13,100			—			—			—			13,108			—		13,108
Cancellation of shares of restricted stock	—	(52,020	)	—		—			(219		)	—			—			—			(219		)	—		(219		)
Cancellation of common shares for tax withholding	—	(58,283	)	—		(1		)	(964		)	—			—			—			(965		)	—		(965		)
Net amortization of stock compensation	—	—		—		—			5,074			—			—			—			5,074			—		5,074
Stock compensation tax (expense) benefit	—	—		—		—			763			—			—			—			763			—		763
Change in shares held in trust for deferred compensation plans, at cost	—	—		—		—			9,260			—			—			(9,260		)	—			—		—
Balance, June 30, 2014	4,006,900	166,924,026		$	263,240	$	1,669		$	806,645		$	1,049,725		$	(14,915	)	$	(51,458	)	$	2,054,906		$	16,805	$	2,071,711
Balance, December 31, 2014	4,006,900	167,503,568		$	263,240	$	1,675		$	817,130		$	1,099,914		$	(10,910	)	$	(49,400	)	$	2,121,649		$	13,715	$	2,135,364
Net income attributable to TCF Financial Corporation	—	—		—		—			—			92,056			—			—			92,056			4,555		96,611
Other comprehensive income (loss)	—	—		—		—			—			—			(5,460		)	—			(5,460		)	—		(5,460		)
Net investment by (distribution to) non-controlling interest	—	—		—		—			—			—			—			—			—			1,241		1,241
Dividends on preferred stock	—	—		—		—			—			(9,694		)	—			—			(9,694		)	—		(9,694		)
Dividends on common stock	—	—		—		—			—			(16,523		)	—			—			(16,523		)	—		(16,523		)
Grants of restricted stock	—	722,304		—		7			(7		)	—			—			—			—			—		—
Common shares purchased by TCF employee benefit plans	—	915,632		—		9			14,430			—			—			—			14,439			—		14,439
Cancellation of shares of restricted stock	—	(132,937	)	—		(1		)	(532		)	—			—			—			(533		)	—		(533		)
Cancellation of common shares for tax withholding	—	(64,306	)	—		(1		)	(1,022		)	—			—			—			(1,023		)	—		(1,023		)
Net amortization of stock compensation	—	—		—		—			4,743			—			—			—			4,743			—		4,743
Exercise of stock options	—	200,000		—		2			2,568			—			—			—			2,570			—		2,570
Stock compensation tax (expense) benefit	—	—		—		—			287			—			—			—			287			—		287
Change in shares held in trust for deferred compensation plans, at cost	—	—		—		—			1,158			—			—			(1,158		)	—			—		—
Balance, June 30, 2015	4,006,900	169,144,261		$	263,240	$	1,691		$	838,755		$	1,165,753		$	(16,370	)	$	(50,558	)	$	2,202,511		$	19,511	$	2,222,022

See accompanying notes to consolidated financial statements.

4

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Consolidated Statements of Cash Flows

(Unaudited)

	Six Months Ended June 30,
(In thousands)	2015			2014
Cash flows from operating activities:
Net income attributable to TCF Financial Corporation	$	92,056		$	97,882
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	25,319			24,401
Depreciation and amortization	74,816			62,122
Proceeds from sales of loans and leases held for sale	412,752			207,456
Gains on sales of assets, net	(42,573		)	(38,350		)
Net income attributable to non-controlling interest	4,555			4,220
Originations of loans held for sale, net of repayments	(451,836		)	(286,182		)
Net change in other assets and accrued expenses and other liabilities	52,928			31,816
Other, net	(12,087		)	(15,764		)
Net cash provided by (used in) operating activities	155,930			87,601
Cash flows from investing activities:
Loan originations and purchases, net of principal collected on loans and leases	(1,064,822		)	(897,681		)
Purchases of equipment for lease financing	(451,625		)	(441,792		)
Proceeds from sales of loans	915,865			886,715
Proceeds from sales of lease receivables	15,893			10,289
Proceeds from sales of securities	—			2,519
Purchases of securities	(204,007		)	(70,479		)
Proceeds from maturities of and principal collected on securities	43,500			25,255
Purchases of Federal Home Loan Bank stock	(75,000		)	(47,000		)
Redemption of Federal Home Loan Bank stock	82,004			55,928
Proceeds from sales of real estate owned	35,998			33,524
Purchases of premises and equipment	(20,646		)	(22,864		)
Other, net	15,534			13,412
Net cash provided by (used in) investing activities	(707,306		)	(452,174		)
Cash flows from financing activities:
Net change in deposits	371,216			600,621
Net change in short-term borrowings	2,969			3,345
Proceeds from long-term borrowings	2,653,143			1,104,999
Payments on long-term borrowings	(2,671,061		)	(1,316,734		)
Redemption of subordinated debt	—			(50,000		)
Net investment by (distribution to) non-controlling interest	1,241			794
Dividends paid on preferred stock	(9,694		)	(9,694		)
Dividends paid on common stock	(16,523		)	(16,309		)
Stock compensation tax (expense) benefit	287			763
Common shares sold to TCF employee benefit plans	14,439			13,108
Exercise of stock options	2,570			—
Net cash provided by (used in) financing activities	348,587			330,893
Net change in cash and due from banks	(202,789		)	(33,680		)
Cash and due from banks at beginning of period	1,115,250			915,076
Cash and due from banks at end of period	$	912,461		$	881,396
Supplemental disclosures of cash flow information:
Cash paid (received) for:
Interest on deposits and borrowings	$	28,440		$	25,553
Income taxes, net	(2,181		)	58,640
Transfer of loans to other assets	51,638			42,371
Transfer of securities available for sale to securities held to maturity	—			191,665

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, a Delaware corporation ("we," "us," "our," "TCF," or the "Company"), is a national bank holding company based in Wayzata, Minnesota. Unless otherwise indicated, references herein to "TCF" include its direct and indirect subsidiaries. Its principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in South Dakota. References herein to "TCF Financial" refer to TCF Financial Corporation on an unconsolidated basis.

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 generally accepted accounting principles in the United States ("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, 2014, and for the year then ended. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain reclassifications have been made to prior period financial statements to conform to the current period presentation. Accounting policies in effect at December 31, 2014 remain significantly unchanged and will be 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 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.

Note 2.  Cash and Due from Banks

At June 30, 2015 and December 31, 2014, TCF Bank was required by Federal Reserve regulations to maintain reserves of $102.2 million and $98.7 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 loans and consumer real estate loans. Cash payments received on loans serviced for third parties are generally held in separate accounts until remitted. TCF also retains cash balances for collateral on certain borrowings, forward foreign exchange contracts and interest rate contracts. TCF maintained restricted cash totaling $78.7 million and $67.8 million at June 30, 2015 and December 31, 2014, respectively.

TCF had cash held in interest-bearing accounts of $622.5 million and $842.1 million at June 30, 2015 and December 31, 2014, respectively.

6

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

Securities consisted of the following.

	At June 30, 2015									At December 31, 2014
(Dollars 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	$	597,166		$	1,142	$	6,401	$	591,907	$	461,575		$	2,405	$	741	$	463,239
Other	45			—		—		45		55			—		—		55
Obligations of states and political subdivisions	37,796			40		118		37,718		—			—		—		—
Other securities	178			—		—		178		—			—		—		—
Total securities available for sale	$	635,185		$	1,182	$	6,519	$	629,848	$	461,630		$	2,405	$	741	$	463,294
Weighted-average yield	2.43		%							2.62		%
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	204,179		$	4,596	$	160	$	208,615	$	209,538		$	7,988	$	109	$	217,417
Other securities	4,732			—		—		4,732		4,916			—		—		4,916
Total securities held to maturity	$	208,911		$	4,596	$	160	$	213,347	$	214,454		$	7,988	$	109	$	222,333
Weighted-average yield	2.64		%							2.64		%

There were no sales of securities available for sale during the six months ended June 30, 2015. Gross realized gains of $0.8 million and $1.1 million were recognized on sales of securities available for sale during the second quarter and first six months of 2014, respectively. At June 30, 2015 and December 31, 2014, mortgage-backed securities with a carrying value of $7.6 million and $8.2 million, respectively, were pledged as collateral to secure certain deposits and borrowings. There were no impairment charges recognized on securities available for sale during the first six months of 2015 and 2014. 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.

There were no transfers from securities available for sale to securities held to maturity during the six months ended June 30, 2015. During the six months ended June 30, 2014, TCF transferred $191.7 million of available for sale mortgage-backed securities to held to maturity, reflecting TCF's intent and ability to hold these securities to maturity. At June 30, 2015 and December 31, 2014, the unrealized holding loss on the transferred securities retained in accumulated other comprehensive income (loss) totaled $15.4 million and $16.0 million, respectively. These amounts are amortized over the remaining lives of the transferred securities. Other held to maturity securities consist primarily of non-trading mortgage-backed securities and other bonds which qualify for investment credit under the Community Reinvestment Act. During the six months ended June 30, 2015, TCF recorded an impairment charge of $0.1 million on held to maturity securities, which had a carrying value of $4.7 million. There were no impairment charges recognized on held to maturity securities during the six months ended June 30, 2014.

7

The following tables show the gross unrealized losses and fair value of securities available for sale and securities held to maturity at June 30, 2015 and December 31, 2014, aggregated by investment category and the length of time the securities were in a continuous loss position.

	At June 30, 2015
	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	$	455,069	$	6,401	$	—	$	—	$	455,069	$	6,401
Obligations of states and political subdivisions	24,132		118		—		—		24,132		118
Total securities available for sale	$	479,201	$	6,519	$	—	$	—	$	479,201	$	6,519
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	5,521	$	83	$	987	$	77	$	6,508	$	160
Total securities held to maturity	$	5,521	$	83	$	987	$	77	$	6,508	$	160

	At December 31, 2014
	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	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Total securities available for sale	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	2,602	$	109	$	—	$	—	$	2,602	$	109
Total securities held to maturity	$	2,602	$	109	$	—	$	—	$	2,602	$	109

8

The amortized cost, fair value and yield of securities available for sale and securities held to maturity by contractual maturity at June 30, 2015 and December 31, 2014 are shown below. 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. Yields on securities have not been adjusted for tax exempt status.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Amortized Cost		Fair Value		Yield		Amortized Cost		Fair Value		Yield
Securities available for sale:
Due in one year or less	$	7	$	7	9.65	%	$	4	$	4	11.63	%
Due in 1-5 years	51		51		3.30		76		76		4.53
Due in 5-10 years	116,458		116,849		2.03		86,806		87,594		1.93
Due after 10 years	518,491		512,763		2.52		374,744		375,620		2.78
No stated maturity	178		178		—		—		—		—
Total securities available for sale	$	635,185	$	629,848	2.43		$	461,630	$	463,294	2.62
Securities held to maturity:
Due in one year or less	$	—	$	—	—	%	$	500	$	500	2.00	%
Due in 1-5 years	1,500		1,500		2.80		2,500		2,500		3.08
Due in 5-10 years	1,900		1,900		3.00		400		400		3.00
Due after 10 years	205,511		209,947		2.64		211,054		218,933		2.64
Total securities held to maturity	$	208,911	$	213,347	2.64		$	214,454	$	222,333	2.64

Note 4.  Loans and Leases

Loans and leases consisted of the following.

(Dollars in thousands)	At June 30, 2015		At December 31, 2014		Percent Change
Consumer real estate:
First mortgage lien	$	2,865,911	$	3,139,152	(8.7	)%
Junior lien	2,678,118		2,543,212		5.3
Total consumer real estate	5,544,029		5,682,364		(2.4	)
Commercial:
Commercial real estate:
Permanent	2,230,554		2,382,144		(6.4	)
Construction and development	305,240		242,111		26.1
Total commercial real estate	2,535,794		2,624,255		(3.4	)
Commercial business	576,550		533,410		8.1
Total commercial	3,112,344		3,157,665		(1.4	)
Leasing and equipment finance	3,791,215		3,745,322		1.2
Inventory finance	2,106,087		1,877,090		12.2
Auto finance	2,301,714		1,915,061		20.2
Other	21,852		24,144		(9.5	)
Total loans and leases(1)	$	16,877,241	$	16,401,646	2.9

(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 $50.7 million and $43.4 million at June 30, 2015 and December 31, 2014, respectively.

9

The consumer real estate junior lien portfolio was comprised of $2.3 billion of home equity lines of credit ("HELOCs") and $383.2 million of amortizing junior lien mortgage loans at June 30, 2015, compared with $2.1 billion and $424.4 million at December 31, 2014, respectively. At June 30, 2015 and December 31, 2014, $1.6 billion and $1.3 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 June 30, 2015 and December 31, 2014, $733.7 million and $816.0 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 June 30, 2015, 18.3% of these loans mature prior to 2021.

During the six months ended June 30, 2015 and 2014, TCF sold $639.9 million and $481.9 million, respectively, of consumer auto loans with servicing retained, received cash of $664.3 million and $492.1 million, respectively, and recognized net gains of $17.9 million and $16.2 million, respectively. Related to these sales, TCF retained interest-only strips of $0 and $8.2 million for the six months ended June 30, 2015 and 2014, respectively. Total interest-only strips related to sales of auto loans totaled $35.2 million and $48.6 million at June 30, 2015 and December 31, 2014, respectively. TCF recorded impairment charges on these interest-only strips of $0.5 million and $1.2 million during the six months ended June 30, 2015 and 2014, respectively, primarily as a result of higher prepayments than originally assumed. Contractual liabilities related to sales of auto loans totaled $0.4 million and $0.7 million at June 30, 2015 and December 31, 2014, respectively. No servicing assets or liabilities related to consumer auto 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. TCF's managed auto loan portfolio, which includes portfolio loans, loans held for sale and loans sold and serviced for others, totaled $4.4 billion and $3.8 billion at June 30, 2015 and December 31, 2014, respectively.

In June 2015, TCF transferred consumer auto loans totaling $436.4 million with servicing retained to a trust in a securitization transaction, received cash proceeds of $453.8 million and recognized gains of $11.2 million, which qualified for sale accounting and is included in the amounts above. This trust is considered a variable interest entity due to its limited capitalization and special purpose nature, however TCF does not have a variable interest in the trust. Therefore, TCF is not the primary beneficiary of the trust and it is not consolidated.

During the six months ended June 30, 2015 and 2014, TCF sold $629.3 million and $571.6 million, respectively, of consumer real estate loans, received cash of $647.9 million and $585.4 million, respectively, and recognized net gains of $20.0 million and $19.7 million, respectively. Included in the consumer real estate loans sold was $136.3 million of first mortgage loans related to the correspondent lending program during the first six months of 2015, resulting in net gains of $3.0 million during the same period. There were no loans sold related to the correspondent lending program during the first six months of 2014. The majority of consumer real estate loans sold are junior lien loans. Related to the sales of consumer real estate loans, TCF retained interest-only strips of $4.2 million and $9.1 million for the six months ended June 30, 2015 and 2014, respectively. Total interest-only strips related to sales of consumer real estate loans totaled $20.7 million and $21.2 million at June 30, 2015 and December 31, 2014, respectively. TCF had no impairment charges on these interest-only strips for the six months ended June 30, 2015 and 2014. Contractual liabilities related to sales of consumer real estate loans totaled $0.8 million and $0.6 million at June 30, 2015 and December 31, 2014, respectively. No servicing assets or liabilities related to consumer real estate 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. TCF's managed consumer real estate loan portfolio, which includes portfolio loans, loans held for sale and loans sold and serviced for others, totaled $7.2 billion and $7.1 billion at June 30, 2015 and December 31, 2014, respectively.

TCF's agreements to sell auto and consumer real estate loans typically contain certain representations and warranties regarding the loans sold. These representations and warranties 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, the loan's compliance with the criteria set forth in the agreement, payment delinquency and compliance with applicable laws and regulations. TCF may be required to repurchase loans in the event of an unremedied breach of these representations or warranties. During the six months ended June 30, 2015 and 2014, losses related to repurchases pursuant to such representations and warranties were immaterial. The majority of such repurchases were of consumer auto 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 following tables provide the allowance for loan and lease losses and other related information. TCF's key credit quality indicator is the receivable's payment performance status, defined as accruing or non-accruing.

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	80,292		$	32,121		$	17,921		$	12,409		$	20,426		$	630		$	163,799
Charge-offs	(11,558		)	(2,581		)	(1,988		)	(821		)	(4,388		)	(1,648		)	(22,984		)
Recoveries	1,869			967			518			198			728			1,226			5,506
Net (charge-offs) recoveries	(9,689		)	(1,614		)	(1,470		)	(623		)	(3,660		)	(422		)	(17,478		)
Provision for credit losses	5,061			(302		)	1,218			(951		)	7,096			406			12,528
Other	(977		)	—			—			44			(1,801		)	—			(2,734		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	169,367		$	36,062		$	18,623		$	10,309		$	12,062		$	623		$	247,046
Charge-offs	(13,012		)	(3,721		)	(1,875		)	(183		)	(2,191		)	(1,993		)	(22,975		)
Recoveries	1,555			244			902			76			358			1,485			4,620
Net (charge-offs) recoveries	(11,457		)	(3,477		)	(973		)	(107		)	(1,833		)	(508		)	(18,355		)
Provision for credit losses	4,106			(1,168		)	1,534			(752		)	5,521			668			9,909
Other	(667		)	(56		)	—			89			(1,885		)	—			(2,519		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	85,361		$	31,367		$	18,446		$	10,020		$	18,230		$	745		$	164,169
Charge-offs	(20,764		)	(3,457		)	(3,864		)	(1,349		)	(8,349		)	(3,325		)	(41,108		)
Recoveries	3,794			2,364			1,503			307			1,338			2,787			12,093
Net (charge-offs) recoveries	(16,970		)	(1,093		)	(2,361		)	(1,042		)	(7,011		)	(538		)	(29,015		)
Provision for credit losses	7,880			(69		)	1,584			2,081			13,436			407			25,319
Other	(1,584		)	—			—			(180		)	(2,594		)	—			(4,358		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	176,030		$	37,467		$	18,733		$	8,592		$	10,623		$	785		$	252,230
Charge-offs	(27,567		)	(5,366		)	(3,410		)	(350		)	(4,724		)	(3,895		)	(45,312		)
Recoveries	3,407			379			1,688			377			615			3,075			9,541
Net (charge-offs) recoveries	(24,160		)	(4,987		)	(1,722		)	27			(4,109		)	(820		)	(35,771		)
Provision for credit losses	11,185			(1,048		)	2,173			925			10,348			818			24,401
Other	(1,706		)	(71		)	—			(5		)	(2,997		)	—			(4,779		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081

11

The following tables provide information regarding the allowance for loan and lease losses and balances by type of allowance methodology.

	At June 30, 2015
(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	$	48,378	$	29,725	$	16,196	$	10,653	$	20,313	$	610	$	125,875
Individually evaluated for impairment	26,309		480		1,473		226		1,748		4		30,240
Total	$	74,687	$	30,205	$	17,669	$	10,879	$	22,061	$	614	$	156,115
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,325,743	$	3,028,092	$	3,778,547	$	2,103,188	$	2,295,235	$	21,833	$	16,552,638
Individually evaluated for impairment	218,286		84,252		12,590		2,899		6,438		19		324,484
Loans acquired with deteriorated credit quality	—		—		78		—		41		—		119
Total	$	5,544,029	$	3,112,344	$	3,791,215	$	2,106,087	$	2,301,714	$	21,852	$	16,877,241

	At December 31, 2014
(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	$	57,167	$	27,594	$	16,310	$	9,627	$	17,046	$	741	$	128,485
Individually evaluated for impairment	28,194		3,773		2,136		393		1,184		4		35,684
Total	$	85,361	$	31,367	$	18,446	$	10,020	$	18,230	$	745	$	164,169
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,462,005	$	3,038,378	$	3,731,420	$	1,874,481	$	1,911,267	$	24,055	$	16,041,606
Individually evaluated for impairment	220,359		119,287		13,763		2,609		3,676		89		359,783
Loans acquired with deteriorated credit quality	—		—		139		—		118		—		257
Total	$	5,682,364	$	3,157,665	$	3,745,322	$	1,877,090	$	1,915,061	$	24,144	$	16,401,646

12

Accruing and Non-accrual Loans and Leases  The following tables set forth information regarding TCF's accruing and non-accrual loans and leases. 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.

	At June 30, 2015
(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	$	2,724,576	$	9,033	$	1,207	$	2,734,816	$	131,095	$	2,865,911
Junior lien	2,639,364		1,995		—		2,641,359		36,759		2,678,118
Total consumer real estate	5,363,940		11,028		1,207		5,376,175		167,854		5,544,029
Commercial:
Commercial real estate	2,519,036		—		—		2,519,036		16,758		2,535,794
Commercial business	576,195		1		—		576,196		354		576,550
Total commercial	3,095,231		1		—		3,095,232		17,112		3,112,344
Leasing and equipment finance	3,776,725		2,147		274		3,779,146		11,440		3,790,586
Inventory finance	2,103,096		45		50		2,103,191		2,896		2,106,087
Auto finance	2,292,800		1,735		732		2,295,267		6,405		2,301,672
Other	21,824		12		13		21,849		3		21,852
Subtotal	16,653,616		14,968		2,276		16,670,860		205,710		16,876,570
Portfolios acquired with deteriorated credit quality	668		—		3		671		—		671
Total	$	16,654,284	$	14,968	$	2,279	$	16,671,531	$	205,710	$	16,877,241

	At December 31, 2014
(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	$	2,987,992	$	13,176	$	194	$	3,001,362	$	137,790	$	3,139,152
Junior lien	2,505,640		2,091		—		2,507,731		35,481		2,543,212
Total consumer real estate	5,493,632		15,267		194		5,509,093		173,271		5,682,364
Commercial:
Commercial real estate	2,599,701		—		—		2,599,701		24,554		2,624,255
Commercial business	532,929		—		—		532,929		481		533,410
Total commercial	3,132,630		—		—		3,132,630		25,035		3,157,665
Leasing and equipment finance	3,728,115		2,242		307		3,730,664		12,670		3,743,334
Inventory finance	1,874,933		49		26		1,875,008		2,082		1,877,090
Auto finance	1,907,005		2,785		1,478		1,911,268		3,676		1,914,944
Other	24,144		—		—		24,144		—		24,144
Subtotal	16,160,459		20,343		2,005		16,182,807		216,734		16,399,541
Portfolios acquired with deteriorated credit quality	2,017		83		5		2,105		—		2,105
Total	$	16,162,476	$	20,426	$	2,010	$	16,184,912	$	216,734	$	16,401,646

13

The following table provides 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.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(In thousands)	2015		2014		2015		2014
Contractual interest due on non-accrual loans and leases	$	5,341	$	6,359	$	10,564	$	13,549
Interest income recognized on non-accrual loans and leases	986		2,395		2,298		3,904
Unrecognized interest income	$	4,355	$	3,964	$	8,266	$	9,645

The following table provides information regarding consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged. 

(In thousands)	At June 30, 2015		At December 31, 2014
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	33,726	$	47,731
60+ days delinquent and accruing	—		247
Non-accrual	19,006		12,284
Total consumer real estate loans to customers in bankruptcy	$	52,732	$	60,262

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. TDR loans consist primarily of consumer real estate and commercial loans.

Total TDR loans at June 30, 2015 and December 31, 2014 were $256.9 million and $298.5 million, respectively, of which $155.8 million and $193.8 million were accruing. TCF held consumer real estate TDR loans of $194.6 million and $199.6 million at June 30, 2015 and December 31, 2014, respectively, of which $110.3 million and $111.9 million were accruing. TCF also held $54.2 million and $91.6 million of commercial TDR loans at June 30, 2015 and December 31, 2014, respectively, of which $44.5 million and $80.4 million were accruing. TDR loans for the remaining classes of finance receivables were not material at June 30, 2015 or December 31, 2014.

The amount of unfunded commitments to commercial and consumer real estate loans classified as TDRs was $1.9 million and $3.9 million at June 30, 2015 and December 31, 2014, respectively. At June 30, 2015 and December 31, 2014, no additional funds were committed to leasing and equipment finance, inventory finance or auto finance loans classified as TDRs.

When a loan is modified as a TDR, principal balances are generally not forgiven. Loan modifications to troubled borrowers are not reported as TDR loans in the calendar year after modification if the loans were modified at an interest rate equal to the yields of new loan originations with comparable risk and the loans are performing based on the terms of the restructured agreements. All loans classified as TDR loans are considered to be impaired. During the six months ended June 30, 2015 and 2014, $9.0 million and $11.1 million, respectively, of commercial loans were removed from TDR status as they were restructured at market terms and are performing.

14

The financial effects of TDR loans represent the difference between interest income recognized on accruing TDR loans and the contractual interest that would have been recorded under the original contractual terms, or foregone interest income. For the three months ended June 30, 2015, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $0.6 million and $0.2 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 4.1%, which compares to the original contractual average rate of 6.7%. For the three months ended June 30, 2014, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $4.3 million and $0.3 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 3.3%, which compares to the original contractual average rate of 6.8%. The foregone interest income for the remaining classes of finance receivables was not material for the three months ended June 30, 2015 and 2014.

For the six months ended June 30, 2015, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $1.1 million and $0.4 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 4.0%, which compares to the original contractual average rate of 6.6%. For the six months ended June 30, 2014, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $8.6 million and $0.6 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 3.3%, which compares to the original contractual average rate of 6.8%. The foregone interest income for the remaining classes of finance receivables was not material for the six months ended June 30, 2015 and 2014.

The table below summarizes TDR loans that defaulted during the three and six months ended June 30, 2015 and 2014, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. TCF considers a loan to have defaulted when it becomes 90 or more days delinquent under the modified terms, has been transferred to non-accrual status subsequent to the modification or has been transferred to other real estate owned or repossessed and returned assets.

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2015			2014			2015			2014
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	1,054		$	561		$	1,297		$	2,056
Junior lien	197			662			486			1,642
Total consumer real estate	1,251			1,223			1,783			3,698
Commercial real estate	—			1,023			—			3,814
Inventory finance	—			7			—			7
Auto finance	202			66			383			125
Defaulted TDR loans modified during the applicable period	$	1,453		$	2,319		$	2,166		$	7,644
Total TDR loans modified in the applicable period	$	71,641		$	136,171		$	78,986		$	248,273
Defaulted modified TDR loans as a percent of total TDR loans modified in the applicable period	2.0		%	1.7		%	2.7		%	3.1		%

(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 or the fair value of the collateral less selling expenses for collateral dependent loans. The allowance on accruing consumer real estate TDR loans was $20.3 million, or 18.4% of the outstanding balance, at June 30, 2015, and $20.4 million, or 18.2% of the outstanding balance, at December 31, 2014. In determining impairment for consumer real estate accruing TDR loans, TCF utilized assumed remaining re-default rates ranging from 6% to 20% in 2015 and 4% to 22% in 2014, depending on modification type and actual experience. At June 30, 2015, 1.5% of accruing consumer real estate TDR loans were more than 60 days delinquent, compared with 2.4% at December 31, 2014.

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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 June 30, 2015, $52.8 million, or 62.6%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed by the borrower, of which 73.8% were current. Of the non-accrual TDR balance at December 31, 2014, $50.0 million, or 57.0%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed, of which 68.4% 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, or for collateral dependent loans, at the fair value of collateral less selling expense. The allowance on accruing commercial TDR loans was $0.1 million, or 0.3% of the outstanding balance, at June 30, 2015, and $1.4 million, or 1.7% of the outstanding balance, at December 31, 2014. No accruing commercial TDR loans were 60 days or more delinquent at June 30, 2015 and December 31, 2014.

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.

The following table summarizes impaired loans.

	At June 30, 2015						At December 31, 2014
(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	$	152,706	$	127,790	$	19,260	$	114,526	$	101,668	$	18,140
Junior lien	72,801		61,225		7,028		65,413		55,405		9,427
Total consumer real estate	225,507		189,015		26,288		179,939		157,073		27,567
Commercial:
Commercial real estate	23,692		20,493		477		58,157		54,412		3,772
Commercial business	21		19		3		18		18		1
Total commercial	23,713		20,512		480		58,175		54,430		3,773
Leasing and equipment finance	6,179		6,179		646		8,257		8,257		1,457
Inventory finance	2,436		2,439		226		1,754		1,758		393
Auto finance	4,596		4,431		1,673		3,074		2,928		1,184
Other	17		19		4		92		89		4
Total impaired loans with an allowance recorded	262,448		222,595		29,317		251,291		224,535		34,378
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	9,542		5,568		—		53,606		35,147		—
Junior lien	25,635		20		—		33,796		7,398		—
Total consumer real estate	35,177		5,588		—		87,402		42,545		—
Commercial:
Commercial real estate	46,538		40,743		—		57,809		50,500		—
Commercial business	354		354		—		482		480		—
Total commercial	46,892		41,097		—		58,291		50,980		—
Inventory finance	456		460		—		848		851		—
Auto finance	2,108		1,198		—		1,484		748		—
Total impaired loans without an allowance recorded	84,633		48,343		—		148,025		95,124		—
Total impaired loans	$	347,081	$	270,938	$	29,317	$	399,316	$	319,659	$	34,378

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The average loan balance of impaired loans and interest income recognized on impaired loans during the three and six months ended June 30, 2015 and 2014 are included within the table below.

	Three Months Ended								Six Months Ended
	June 30, 2015				June 30, 2014				June 30, 2015				June 30, 2014
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	115,432	$	1,340	$	518,048	$	3,879	$	114,729	$	2,458	$	518,031	$	7,632
Junior lien	58,827		788		72,968		885		58,315		1,540		72,689		1,793
Total consumer real estate	174,259		2,128		591,016		4,764		173,044		3,998		590,720		9,425
Commercial:
Commercial real estate	28,140		212		61,985		617		37,452		603		65,179		1,237
Commercial business	18		—		2,245		—		19		—		3,012		—
Total commercial	28,158		212		64,230		617		37,471		603		68,191		1,237
Leasing and equipment finance	7,066		2		7,955		46		7,218		8		8,249		52
Inventory finance	5,516		42		904		42		2,099		49		4,009		71
Auto finance	3,980		—		670		—		3,680		—		571		—
Other	19		1		85		2		53		1		90		3
Total impaired loans with an allowance recorded	218,998		2,385		664,860		5,471		223,565		4,659		671,830		10,788
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	19,115		322		38,552		420		20,358		781		40,996		735
Junior lien	3,266		541		3,497		272		3,709		995		3,600		539
Total consumer real estate	22,381		863		42,049		692		24,067		1,776		44,596		1,274
Commercial:
Commercial real estate	42,003		372		69,766		646		45,622		1,167		73,508		1,438
Commercial business	404		5		6,620		42		417		5		6,122		77
Total commercial	42,407		377		76,386		688		46,039		1,172		79,630		1,515
Inventory finance	662		43		772		35		655		55		566		45
Auto finance	1,077		—		492		—		973		—		398		—
Total impaired loans without an allowance recorded	66,527		1,283		119,699		1,415		71,734		3,003		125,190		2,834
Total impaired loans	$	285,525	$	3,668	$	784,559	$	6,886	$	295,299	$	7,662	$	797,020	$	13,622

Note 6.  Deposits

Deposits consisted of the following.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Weighted-Average Rate		Amount		% of Total		Weighted-Average Rate		Amount		% of Total
Checking:
Non-interest bearing	—	%	$	3,007,406	19.0	%	—	%	$	2,832,526	18.3	%
Interest bearing	0.02		2,368,412		15.0		0.04		2,362,717		15.3
Total checking	0.01		5,375,818		34.0		0.02		5,195,243		33.6
Savings	0.08		4,968,398		31.4		0.15		5,212,320		33.7
Money market	0.64		2,286,773		14.4		0.54		1,993,130		13.0
Total checking, savings and money market	0.14		12,630,989		79.8		0.13		12,400,693		80.3
Certificates of deposit	0.85		3,196,230		20.2		0.78		3,049,189		19.7
Total deposits	0.28		$	15,827,219	100.0	%	0.26		$	15,449,882	100.0	%

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Certificates of deposit had the following remaining maturities at June 30, 2015.

(In thousands)	Denominations  $100 Thousand or Greater		Denominations Less Than  $100 Thousand		Total
Maturity:
0-3 months	$	138,773	$	240,910	$	379,683
4-6 months	223,143		303,873		527,016
7-12 months	610,228		690,992		1,301,220
13-24 months	396,800		479,018		875,818
Over 24 months	65,596		46,897		112,493
Total	$	1,434,540	$	1,761,690	$	3,196,230

Note 7.  Short-term Borrowings

Selected information for short-term borrowings (borrowings with an original maturity of less than one year) consisted of the following.

	At June 30, 2015				At December 31, 2014
(Dollars in thousands)	Amount		Rate		Amount		Rate
Period end balance:
Securities sold under repurchase agreements	$	3,303	0.10	%	$	4,425	0.10	%
Line of Credit - TCF Commercial Finance Canada, Inc.	4,002		1.90		—		—
Total	$	7,305	1.09		$	4,425	0.10
Average daily balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	—	%	$	74,385	0.26	%
Federal funds purchased	254		0.43		375		0.40
Securities sold under repurchase agreements	5,517		0.21		5,956		0.18
Line of Credit - TCF Commercial Finance Canada, Inc.	2,353		2.06		2,957		1.88
Total	$	8,124	0.75		$	83,673	0.31
Maximum month-end balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	N.A.		$	250,000	N.A.
Securities sold under repurchase agreements	3,495		N.A.		4,425		N.A.
Line of Credit - TCF Commercial Finance Canada, Inc.	5,519		N.A.		11,751		N.A.
N.A. Not Applicable.

At June 30, 2015, the securities sold under short-term repurchase agreements were related to TCF Bank's Repurchase Investment Sweep Agreement product and were collateralized by mortgage-backed securities having a fair value of $6.4 million.

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Note 8.  Long-term Borrowings

Long-term borrowings consisted of the following.

		At June 30, 2015								At December 31, 2014
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount		Stated Rate
Federal Home Loan Bank advances	2015									$	125,000	0.37	%	-	0.38	%
	2016	$	447,000		0.36	%	-	1.17	%	547,000		0.25		-	1.17
	2017	325,000			0.23		-	0.24		275,000					0.25
Subtotal		772,000								947,000
Subordinated bank notes	2016	74,962						5.50		74,930					5.50
	2022	109,238						6.25		109,194					6.25
	2025	149,088						4.60		—					—
Hedge-related basis adjustment(1)		(3,563		)						—
Subtotal		329,725								184,124
Discounted lease rentals	2015	19,630			2.39		-	7.95		32,904		2.39		-	7.95
	2016	35,165			2.39		-	7.95		27,539		2.39		-	7.95
	2017	28,470			2.45		-	7.95		20,580		2.45		-	7.95
	2018	14,879			2.53		-	7.95		9,032		2.63		-	7.95
	2019	5,070			2.53		-	5.05		2,589		2.63		-	5.05
	2020	324			3.04		-	4.57		160					4.57
	2021	83						4.57		83					4.57
Subtotal		103,621								92,887
Other long-term	2015									2,670					1.36
	2016	2,648						1.36		2,642					1.36
	2017	2,742						1.36		2,742					1.36
Subtotal		5,390								8,054
Total long-term borrowings		$	1,210,736							$	1,232,065

(1) Related to subordinated bank notes with a stated maturity of 2025 at June 30, 2015.

At June 30, 2015, TCF Bank had pledged loans secured by residential and commercial real estate and Federal Home Loan Bank ("FHLB") stock with an aggregate carrying value of $4.9 billion as collateral for FHLB advances. At June 30, 2015, $325.0 million of FHLB advances outstanding were prepayable monthly at TCF's option.

On February 27, 2015, TCF Bank issued $150.0 million of subordinated notes due February 27, 2025 with a fixed-rate coupon of 4.60% per annum (the "2025 Notes"), at a price to investors of 99.375%. In addition, TCF Bank incurred issuance costs of $1.4 million. Both the discount and issuance costs are amortized as interest expense over the respective term of the notes using the effective interest method. Interest is payable semi-annually, in arrears, on February 27 and August 27, commencing August 27, 2015. Simultaneously, TCF Bank entered into an interest rate swap with a total notional amount of $150.0 million designated as a fair value hedge of the 2025 Notes. See Note 12 of Notes to Consolidated Financial Statements, Derivative Instruments, for additional information regarding the interest rate swap.

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Note 9.  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 profits for the current year combined with its net retained profits for the preceding two calendar years, which was $395.9 million at June 30, 2015, without prior approval of the Office of the Comptroller of the Currency ("OCC"). 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. These capital adequacy standards may be higher in the future than existing minimum regulatory capital requirements.

The following table presents regulatory capital information for TCF and TCF Bank. Information presented for June 30, 2015 reflects the transition to the Basel III capital standard from previous regulatory capital adequacy guidelines under the Basel I framework. The Basel III capital standard phases in through 2019 and revises the definition of capital, increases minimum capital ratios, introduces regulatory capital buffers above those minimums, introduces a common equity Tier 1 capital ratio and revises the rules for calculating risk-weighted assets. Banks that are not advanced approaches institutions may make a one-time election to opt out of the requirement to include components of accumulated other comprehensive income (loss) in common equity Tier 1 capital. TCF has elected to opt-out of the accumulated other comprehensive income (loss) requirement.

	TCF						TCF Bank
(Dollars in thousands)	June 30, 2015			December 31, 2014			June 30, 2015			December 31, 2014			Well-capitalized Standard		Minimum Capital Requirement
Regulatory Capital:
Common equity Tier 1 capital	$	1,732,437		N.A.			$	1,912,587		N.A.
Tier 1 capital	2,013,347			$	1,919,887		1,932,098			$	1,836,019
Total capital	2,407,268			2,209,999			2,349,196			2,126,131
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	9.97		%	N.A			11.01		%	N.A.			6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.59			11.76		%	11.13			11.25		%	8.00		6.00
Total risk-based capital ratio	13.86			13.54			13.53			13.03			10.00		8.00
Tier 1 leverage ratio	10.22			10.07			9.81			9.63			5.00		4.00

N.A. Not Applicable.

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Note 10.  Stock Compensation

The following table reflects TCF's restricted stock and stock option transactions under the TCF Financial Incentive Stock Program and TCF Financial 2015 Omnibus Incentive Plan during the six months ended June 30, 2015.

	Restricted Stock									Stock Options
	Shares		Price Range					Weighted- Average Grant Date Fair Value		Shares		Price Range					Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price
Outstanding at December 31, 2014	2,858,494		$	6.16	-	$	16.02	$	12.73	1,579,000		$	12.85	-	$	15.75	2.98	$	13.91
Granted	680,933		14.17		-	16.28		14.44		—		—		-	—		—	—
Exercised	—		—		-	—		—		(200,000	)	12.85		-	12.85		—	12.85
Forfeited/canceled	(129,747	)	6.80		-	15.96		13.18		—		—		-	—		—	—
Vested	(188,944	)	9.65		-	15.96		13.10		—		—		-	—		—	—
Outstanding at June 30, 2015	3,220,736		6.16		-	16.28		13.05		1,379,000		12.85		-	15.75		2.67	14.07
Exercisable at June 30, 2015	N.A.							N.A.		1,379,000		12.85		-	15.75			14.07

N.A. Not Applicable.

Unrecognized stock compensation expense for restricted stock awards and options was $26.9 million, excluding estimated forfeitures, with a weighted-average remaining amortization period of 2.6 years at June 30, 2015.

At June 30, 2015, there were 1,100,000 shares of performance-based restricted stock outstanding that will vest only if certain return on asset goals and service conditions are achieved. Failure to achieve the performance and service conditions will result in all or a portion of the shares being forfeited.

Valuation and related assumption information for TCF's stock option plans related to options issued in 2008 have not changed from December 31, 2014 and no stock options were subsequently issued through June 30, 2015.

In April 2015, TCF stockholders approved the TCF Financial 2015 Omnibus Incentive Plan, which replaces the Incentive Stock Program. This plan authorized new performance-based restricted stock units to certain executives that were approved by the Compensation Committee of the TCF Board of Directors. The performance-based restricted stock units are subject to TCF’s relative total stockholder return for the period beginning January 1, 2015 through December 31, 2017, as measured against the peer group, which includes all publicly-traded banks and thrift institutions with assets between $10.0 billion and $50.0 billion as of September 30, 2014, excluding peers which do not remain publicly traded for the full three-year performance period. The number of restricted stock units granted was 71,404 at target and the actual restricted stock units granted will depend on actual performance with a maximum total payout of 150% of target.

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Note 11.  Employee Benefit Plans

The following tables set forth 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 and six months ended June 30, 2015 and 2014.

	Pension Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	304		$	397		$	608		$	794
Return on plan assets	(160		)	(183		)	(320		)	(366		)
Net periodic benefit plan (income) cost	$	144		$	214		$	288		$	428

	Postretirement Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	38		$	50		$	76		$	99
Amortization of prior service cost	(11		)	(11		)	(23		)	(23		)
Net periodic benefit plan (income) cost	$	27		$	39		$	53		$	76

TCF made no cash contributions to the Pension Plan in either of the six months ended June 30, 2015 or 2014. During the three and six months ended June 30, 2015 and 2014, TCF paid $0.1 million and $0.2 million, respectively, for benefits of the Postretirement Plan.

Note 12.  Derivative Instruments

All derivative instruments are recognized within other assets or other liabilities at fair value within the Consolidated Statements of Financial Condition. The value of derivative instruments will vary over their contractual terms as the related underlying rates fluctuate. The accounting for changes in the fair value of a derivative instrument depends on whether or not the contract has been designated and qualifies as a hedge. To qualify as a hedge, a contract must be highly effective at reducing the risk associated with the exposure being hedged. In addition, for a contract to be designated as a hedge, the risk management objective and strategy must be documented at inception. Hedge documentation must also identify the hedging instrument, the asset or liability and type of risk to be hedged and how the effectiveness of the contract is assessed prospectively and retrospectively. To assess effectiveness, TCF uses statistical methods such as regression analysis. A contract that has been, and is expected to continue to be, effective at offsetting changes in fair values or the net investment must be assessed and documented at least quarterly. If it is determined that a contract is not highly effective at hedging the designated exposure, hedge accounting is discontinued.

Upon origination of a derivative instrument, the contract is designated either as a hedge of the volatility of an investment in foreign operations driven by changes in foreign currency exchange rates ("net investment hedge"), a hedge of the exposure to changes in the fair value of an asset or liability due to changes in market risk ("fair value hedge"), or is not designated as a hedge. Changes in net investment hedges recorded within other comprehensive income (loss) are subsequently reclassified to non-interest expense during the period in which the foreign investment is substantially liquidated or when other elements of the currency translation adjustment are reclassified to income.

Net Investment Hedges  Forward foreign exchange contracts, that generally settle within 30 days, are used to manage the foreign exchange risk associated with the Company's net investment in TCF Commercial Finance Canada, Inc., a wholly-owned indirect Canadian subsidiary of TCF Bank.

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Fair Value Hedges During the first quarter of 2015, TCF Bank entered into an interest rate swap related to its contemporaneously issued subordinated debt, which settles through a central clearing house. The swap was designated as a fair value hedge and effectively converts the fixed interest rate to a floating rate based on three-month London InterBank Offered Rate ("LIBOR") plus a fixed number of basis points on the $150.0 million notional amount through February 27, 2025, the maturity date of the subordinated debt. In exchange, TCF Bank will receive 4.60% fixed-rate interest from the swap counterparty.

The interest rate swap substantially offsets the change in fair value of the hedged underlying debt that is attributable to the changes in market risk. The gains and losses related to changes in the fair value of the interest rate swap are reflected in non-interest income.

Derivatives Not Designated as Hedges  TCF executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies. Those interest rate swaps are simultaneously hedged with offsetting interest rate swaps that TCF executes with a third party and settles through a central clearing house, minimizing TCF's net risk exposure resulting from such transactions. As the interest rate swaps associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are reflected in non-interest income. These contracts have original fixed maturity dates ranging from three to seven years.

During the second quarter of 2012, TCF sold its Visa^® Class B stock. In conjunction with the sale, TCF and the purchaser entered into a derivative transaction whereby TCF may receive or be required to make cash payments whenever the conversion ratio of the Visa Class B stock into Visa Class A stock is adjusted. The fair value of this derivative has been determined using estimated future cash flows using probability weighted scenarios for multiple estimates of Visa's aggregate exposure to covered litigation matters, which include consideration of amounts funded by Visa into its escrow account for the covered litigation matters. Changes, if any, in the valuation of this swap agreement, which has no determinable maturity date, are reflected in non-interest income.

Certain of TCF's forward foreign exchange contracts are not designated as hedges and are generally settled within 30 days. Changes in the fair value of these forward foreign exchange contracts are reflected in non-interest expense.

TCF enters into interest rate lock commitments in conjunction with certain consumer real estate loans. These interest rate lock commitments are agreements to extend credit under certain specified terms and conditions at fixed rates and have original lock expirations of up to 60 days. They are not designated as hedges and accordingly, changes in the valuation of these commitments are reflected in non-interest income.

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The following tables summarize TCF's outstanding derivative instruments as of June 30, 2015 and December 31, 2014. See Note 13, Fair Value Disclosures, for additional information.

	At June 30, 2015
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	45,857	$	144	$	—		$	144
Derivatives not designated as hedges:
Forward foreign exchange contracts	408,953		4,984		—			4,984
Interest rate contracts	91,729		1,722		—			1,722
Interest rate lock commitments	26,145		455		—			455
Total derivative assets			$	7,305	$	—		$	7,305
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	4,267	$	(4,267	)	$	—
Derivatives not designated as hedges:
Interest rate contracts	91,729		1,787		(1,787		)	—
Other contracts	13,804		465		(465		)	—
Total derivative liabilities			$	6,519	$	(6,519	)	$	—
	At December 31, 2014
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	42,165	$	509	$	—		$	509
Derivatives not designated as hedges:
Forward foreign exchange contracts	275,962		2,702		(1,179		)	1,523
Interest rate contracts	101,166		1,798		—			1,798
Interest rate lock commitments	15,124		285		—			285
Total derivative assets			$	5,294	$	(1,179	)	$	4,115
Derivative Liabilities:
Derivatives not designated as hedges:
Forward foreign exchange contracts	$	189,310	$	177	$	(29	)	$	148
Interest rate contracts	101,166		1,877		(1,877		)	—
Other contracts	13,804		621		(621		)	—
Total derivative liabilities			$	2,675	$	(2,527	)	$	148

(1)  All amounts were offset in the Consolidated Statements of Financial Condition.

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The following table summarizes the pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income.

		Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	Income Statement Location	2015			2014			2015			2014
Consolidated Statements of Income
Fair value hedges:
Interest rate contracts	Non-interest income	$	(5,541	)	$	—		$	(4,267	)	$	—
Non-derivative hedged items	Non-interest income	4,690			—			3,563			—
Not designated as hedges:
Forward foreign exchange contracts	Non-interest expense	(8,168		)	(15,848		)	29,292			(651		)
Interest rate lock commitments	Non-interest income	(135		)	—			170			—
Interest rate contracts	Non-interest income	41			(30		)	20			(50		)
Net realized gain (loss)		$	(9,113	)	$	(15,878	)	$	28,778		$	(701	)
Consolidated Statements of Comprehensive Income
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(674	)	$	(1,382	)	$	2,914		$	(172	)
Net unrealized gain (loss)		$	(674	)	$	(1,382	)	$	2,914		$	(172	)

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 June 30, 2015, credit risk-related contingent features existed on forward foreign exchange contracts with a notional value of $124.0 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 $2.5 million in additional collateral. There were no forward foreign exchange contracts containing credit risk-related features in a net liability position at June 30, 2015.

At June 30, 2015, TCF had posted $13.9 million, $1.4 million and $0.6 million of cash collateral related to its interest rate contracts, other contracts and forward foreign exchange contracts, respectively.

Note 13.  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 and leases held for sale, forward foreign exchange contracts, interest rate contracts, other contracts, interest rate lock commitments, forward loan sales commitments and assets and liabilities held in trust for deferred compensation plans 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, interest-only strips, other real estate owned and repossessed and returned assets. These non-recurring fair value adjustments typically involve application of lower-of-cost-or-market accounting or write-downs of individual assets.

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

25

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.

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 certain other securities held to maturity, categorized as Level 3, is estimated based on discounted cash flows using current market rates and consideration of credit exposure or other internal pricing methods. 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. Other mortgage-backed securities, for which there is little or no market activity, are categorized as Level 3 assets and the fair value of these assets is determined by using internal pricing methods. The fair value of other securities, categorized as Level 1, is based upon prices obtained in an active market.

Loans and Leases Held for Sale Loans and leases held for sale are generally carried at the lower of cost or fair value. The cost of loans held for sale includes the unpaid principal balance, net of deferred loan fees and costs. 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 and leases 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 and leases 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 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.

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, in accordance with GAAP, 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.

26

Interest Rate Contracts TCF executes interest rate swaps 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 risk exposure resulting from such transactions. TCF also entered into an interest rate swap to convert its fixed-rate 2025 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.

Other Contracts TCF entered into a swap agreement related to the sale of TCF's Visa Class B stock, categorized as Level 3. The fair value of the Visa 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.

Interest Rate Lock Commitments and Forward Loan Sales Commitments TCF's interest rate lock commitments are derivative instruments which 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.

Interest-Only Strips The fair value of interest-only strips, categorized as Level 3, represents the present value of future cash flows retained 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.

Other Real Estate Owned and Repossessed and Returned Assets The fair value of other real estate owned 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 and repossessed and returned assets were written down $4.0 million and $7.5 million, which was included in foreclosed real estate and repossessed assets, net expense for the three and six months ended June 30, 2015, respectively, compared with $2.9 million and $6.2 million for the same periods in 2014.

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.

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.

27

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, as commitments and standby letters of credit similar to TCF's are not actively traded. 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 following tables present the balances of assets and liabilities measured at fair value on a recurring and non-recurring basis.

	Fair Value Measurements at June 30, 2015
(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	$	—	$	591,907	$	—	$	591,907
Other	—		—		45		45
Obligations of states and political subdivisions	—		37,718		—		37,718
Other securities	178		—		—		178
Loans and leases held for sale	—		—		4,962		4,962
Forward foreign exchange contracts(1)	—		5,128		—		5,128
Interest rate contracts(1)	—		1,722		—		1,722
Interest rate lock commitments(1)	—		—		455		455
Forward loan sales commitments	—		—		52		52
Assets held in trust for deferred compensation plans	19,435		—		—		19,435
Total assets	$	19,613	$	636,475	$	5,514	$	661,602
Interest rate contracts(1)	$	—	$	6,054	$	—	$	6,054
Forward loan sales commitments	—		—		57		57
Liabilities held in trust for deferred compensation plans	19,435		—		—		19,435
Other contracts(1)	—		—		465		465
Total liabilities	$	19,435	$	6,054	$	522	$	26,011
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,332	$	1,332
Loans	—		—		149,037		149,037
Interest-only strips	—		—		4,505		4,505
Other real estate owned:
Consumer	—		—		39,140		39,140
Commercial	—		—		3,622		3,622
Repossessed and returned assets	—		2,609		1,302		3,911
Total non-recurring fair value measurements	$	—	$	2,609	$	198,938	$	201,547

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances are presented gross of this netting adjustment.

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	Fair Value Measurements at December 31, 2014
(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	$	—	$	463,239	$	—	$	463,239
Other	—		—		55		55
Loans and leases held for sale	—		—		3,308		3,308
Forward foreign exchange contracts(1)	—		3,211		—		3,211
Interest rate contracts(1)	—		1,798		—		1,798
Interest rate lock commitments(1)	—		—		285		285
Forward loan sales commitments	—		—		19		19
Assets held in trust for deferred compensation plans	18,703		—		—		18,703
Total assets	$	18,703	$	468,248	$	3,667	$	490,618
Forward foreign exchange contracts(1)	$	—	$	177	$	—	$	177
Interest rate contracts(1)	—		1,877		—		1,877
Forward loan sales commitments	—		—		42		42
Liabilities held in trust for deferred compensation plans	18,703		—		—		18,703
Other contracts(1)	—		—		621		621
Total liabilities	$	18,703	$	2,054	$	663	$	21,420
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,516	$	1,516
Loans	—		—		164,897		164,897
Interest-only strips	—		—		41,204		41,204
Other real estate owned:
Consumer	—		—		40,502		40,502
Commercial	—		4,839		8,866		13,705
Repossessed and returned assets	—		1,563		1,425		2,988
Total non-recurring fair value measurements	$	—	$	6,402	$	258,410	$	264,812

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances 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 availability of 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 six months ended June 30, 2015 and 2014.

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The following table presents changes in Level 3 assets and liabilities measured at fair value on a recurring basis.

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	50		$	6,248		$	589		$	(113	)	$	(544	)
Total net gains (losses) included in:
Net income	—			(58		)	(134		)	108			—
Sales	—			(74,489		)	—			—			—
Originations	—			73,261			—			—			—
Principal paydowns / settlements	(5		)	—			—			—			79
Asset (liability) balance, end of period	$	45		$	4,962		$	455		$	(5	)	$	(465	)
At or For the Three Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	87		$	—		$	—		$	—		$	(819	)
Principal paydowns / settlements	(6		)	—			—			—			82
Asset (liability) balance, end of period	$	81		$	—		$	—		$	—		$	(737	)

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments		Forward Loan Sales Commitments			Other Contracts
At or For the Six Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	55		$	3,308		$	285	$	(23	)	$	(621	)
Total net gains (losses) included in:
Net income	—			32			170		18			—
Sales	—			(136,264		)	—		—			—
Originations	—			137,886			—		—			—
Principal paydowns / settlements	(10		)	—			—		—			156
Asset (liability) balance, end of period	$	45		$	4,962		$	455	$	(5	)	$	(465	)
At or For the Six Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	93		$	—		$	—	$	—		$	(899	)
Principal paydowns / settlements	(12		)	—			—		—			162
Asset (liability) balance, end of period	$	81		$	—		$	—	$	—		$	(737	)

Fair Value Option

In the third quarter of 2014, TCF initiated a correspondent lending program in which TCF Bank originates consumer mortgage loans and sells them to a wholesale partner. 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 following table presents the difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale.

(In thousands)	At June 30, 2015		At December 31, 2014
Fair value carrying amount	$	4,962	$	3,308
Aggregate unpaid principal amount	4,840		3,205
Fair value carrying amount less aggregate unpaid principal	$	122	$	103

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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 June 30, 2015 or December 31, 2014. 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 $3.0 million for the six months ended June 30, 2015, and is included in gains on sales of consumer real estate loans, net. This amount excludes the impact from the hedging arrangements 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 June 30, 2015 and December 31, 2014, 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 following tables present 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. 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 June 30, 2015
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	78,518		$	—	$	78,518		$	—	$	78,518
Securities held to maturity	208,911			—		208,615			4,732		213,347
Loans and leases held for sale	200,034			—		—			211,733		211,733
Loans:
Consumer real estate	5,544,029			—		—			5,662,803		5,662,803
Commercial real estate	2,535,794			—		—			2,480,050		2,480,050
Commercial business	576,550			—		—			555,120		555,120
Equipment finance	1,836,808			—		—			1,821,704		1,821,704
Inventory finance	2,106,087			—		—			2,092,911		2,092,911
Auto finance	2,301,714			—		—			2,315,076		2,315,076
Other	21,852			—		—			19,585		19,585
Allowance for loan losses(1)	(156,115		)	—		—			—		—
Interest-only strips(2)	55,944			—		—			59,135		59,135
Total financial instrument assets	$	15,310,126		$	—	$	287,133		$	15,222,849	$	15,509,982
Financial instrument liabilities:
Deposits	$	15,827,219		$	12,630,989	$	3,213,957		$	—	$	15,844,946
Long-term borrowings	1,210,736			—		1,217,737			5,390		1,223,127
Total financial instrument liabilities	$	17,037,955		$	12,630,989	$	4,431,694		$	5,390	$	17,068,073
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	24,627		$	—	$	24,627		$	—	$	24,627
Standby letters of credit	(64		)	—		(64		)	—		(64		)
Total financial instruments with off-balance sheet risk	$	24,563		$	—	$	24,563		$	—	$	24,563

(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.

31

	Carrying Amount			Estimated Fair Value at December 31, 2014
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	85,492		$	—	$	85,492		$	—	$	85,492
Securities held to maturity	214,454			—		217,418			4,916		222,334
Loans and leases held for sale	132,266			—		—			139,370		139,370
Loans:
Consumer real estate	5,682,364			—		—			5,836,770		5,836,770
Commercial real estate	2,624,255			—		—			2,575,625		2,575,625
Commercial business	533,410			—		—			512,083		512,083
Equipment finance	1,806,808			—		—			1,787,271		1,787,271
Inventory finance	1,877,090			—		—			1,864,786		1,864,786
Auto finance	1,915,061			—		—			1,927,384		1,927,384
Other	24,144			—		—			18,724		18,724
Allowance for loan losses(1)	(164,169		)	—		—			—		—
Interest-only strips(2)	69,789			—		—			73,058		73,058
Total financial instrument assets	$	14,800,964		$	—	$	302,910		$	14,739,987	$	15,042,897
Financial instrument liabilities:
Deposits	$	15,449,882		$	12,400,693	$	3,063,850		$	—	$	15,464,543
Long-term borrowings	1,232,065			—		1,246,221			8,054		1,254,275
Total financial instrument liabilities	$	16,681,947		$	12,400,693	$	4,310,071		$	8,054	$	16,718,818
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	25,885		$	—	$	25,885		$	—	$	25,885
Standby letters of credit	(47		)	—		(47		)	—		(47		)
Total financial instruments with off-balance sheet risk	$	25,838		$	—	$	25,838		$	—	$	25,838

(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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Note 14.  Earnings Per Common Share

TCF's restricted stock awards that pay non-forfeitable common stock dividends meet the criteria of a participating security. Accordingly, earnings per share is calculated using the two-class method, under which earnings are allocated to both common shares and participating securities.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(Dollars in thousands, except per-share data)	2015		2014		2015		2014
Basic Earnings Per Common Share:
Net income available to common stockholders	$	47,408	$	48,278	$	82,362	$	88,188
Earnings allocated to participating securities	11		12		22		23
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding for basic earnings per common share	165,588,846		163,252,550		165,219,090		163,011,047
Basic earnings per common share	$	0.29	$	0.30	$	0.50	$	0.54
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,588,846		163,252,550		165,219,090		163,011,047
Net dilutive effect of:
Non-participating restricted stock	302,079		202,475		297,035		214,186
Stock options	226,952		259,211		227,594		265,335
Weighted-average common shares outstanding for diluted earnings per common share	166,117,877		163,714,236		165,743,719		163,490,568
Diluted earnings per common share	$	0.29	$	0.29	$	0.50	$	0.54

All shares of restricted stock are deducted from weighted-average shares outstanding for the computation of basic earnings per common share. Shares of performance-based restricted stock and restricted stock units are included in the calculation of diluted earnings per common share, using the treasury stock method, at the beginning of the quarter in which the performance goals have been achieved. All other shares of restricted stock, which vest over specified time periods, stock options and warrants are included in the calculation of diluted earnings per common share, using the treasury stock method.

For the three and six months ended June 30, 2015 and 2014, there were 4.6 million and 4.1 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, respectively.

Note 15.  Business Segments

Lending, Funding and Support Services have been identified as reportable segments. Lending includes consumer real estate, commercial real estate and business lending, leasing and equipment finance, inventory finance and auto finance. Funding includes branch banking and treasury services. Support Services includes Holding Company and corporate functions that provide data processing, bank operations and other professional services to the operating segments.

TCF evaluates performance and allocates resources based on each segment's net income or loss. The business segments follow GAAP as described in Note 1, Summary of Significant Accounting Policies, in Item 8 of TCF's 2014 Annual Report on Form 10-K. TCF generally accounts for inter-segment sales and transfers at cost.

33

The following tables set forth certain information for each of TCF's reportable segments, including a reconciliation of TCF's consolidated totals.

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Three Months Ended June 30, 2015:
Net interest income	$	155,920	$	50,926		$	49		$	(866	)	$	206,029
Provision for credit losses	11,948		580			—			—			12,528
Non-interest income	60,526		52,895			28,404			(28,376		)	113,449
Non-interest expense	114,530		108,583			28,372			(28,376		)	223,109
Income tax expense (benefit)	32,266		(1,982		)	(516		)	(866		)	28,902
Income (loss) after income tax expense (benefit)	57,702		(3,360		)	597			—			54,939
Income attributable to non-controlling interest	2,684		—			—			—			2,684
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	55,018	$	(3,360	)	$	(4,250	)	$	—		$	47,408
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	217,022	$	6,059		$	—		$	—		$	223,081
Non-interest income	60,526		52,882			41			—			113,449
Total	$	277,548	$	58,941		$	41		$	—		$	336,530
At or For the Three Months Ended June 30, 2014:
Net interest income	$	149,377	$	57,422		$	56		$	(754	)	$	206,101
Provision for credit losses	9,120		789			—			—			9,909
Non-interest income	47,191		55,969			34,021			(33,165		)	104,016
Non-interest expense	105,109		108,304			32,947			(33,165		)	213,195
Income tax expense (benefit)	29,837		1,628			674			(754		)	31,385
Income (loss) after income tax expense (benefit)	52,502		2,670			456			—			55,628
Income attributable to non-controlling interest	2,503		—			—			—			2,503
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	49,999	$	2,670		$	(4,391	)	$	—		$	48,278
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	214,549	$	5,542		$	—		$	—		$	220,091
Non-interest income	47,191		55,954			871			—			104,016
Total	$	261,740	$	61,496		$	871		$	—		$	324,107

34

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Six Months Ended June 30, 2015:
Net interest income	$	309,348	$	101,717		$	71		$	(1,687	)	$	409,449
Provision for credit losses	24,579		740			—			—			25,319
Non-interest income	109,089		103,103			60,361			(58,466		)	214,087
Non-interest expense	227,030		220,374			60,938			(58,466		)	449,876
Income tax expense (benefit)	59,745		(5,942		)	(386		)	(1,687		)	51,730
Income (loss) after income tax expense (benefit)	107,083		(10,352		)	(120		)	—			96,611
Income attributable to non-controlling interest	4,555		—			—			—			4,555
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	102,528	$	(10,352	)	$	(9,814	)	$	—		$	82,362
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	431,101	$	11,774		$	—		$	—		$	442,875
Non-interest income	109,089		103,077			1,921			—			214,087
Total	$	540,190	$	114,851		$	1,921		$	—		$	656,962
At or For the Six Months Ended June 30, 2014:
Net interest income	$	294,197	$	114,640		$	54		$	(1,516	)	$	407,375
Provision for credit losses	23,357		1,044			—			—			24,401
Non-interest income	98,489		107,629			67,781			(66,476		)	207,423
Non-interest expense	210,841		216,808			69,158			(66,476		)	430,331
Income tax expense (benefit)	57,750		1,702			28			(1,516		)	57,964
Income (loss) after income tax expense (benefit)	100,738		2,715			(1,351		)	—			102,102
Income attributable to non-controlling interest	4,220		—			—			—			4,220
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	96,518	$	2,715		$	(11,045	)	$	—		$	88,188
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	423,781	$	10,937		$	—		$	—		$	434,718
Non-interest income	98,489		107,599			1,335			—			207,423
Total	$	522,270	$	118,536		$	1,335		$	—		$	642,141

Note 16.  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 enforcement actions brought by federal regulators, including the Securities and Exchange Commission (“SEC”), the Federal Reserve, the OCC and the Consumer Financial Protection Bureau. 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. 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. TCF is also subject to regulatory examinations, and TCF’s regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance.

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Note 17.  Accumulated Other Comprehensive Income (Loss)

The components of other comprehensive income (loss) and the related tax effects are presented in the table below.

	Three Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(11,140	)	$	4,207		$	(6,933	)	$	8,648		$	(3,257	)	$	5,391
Reclassification of net (gains) losses to net income	286			(108		)	178			(452		)	170			(282		)
Net unrealized gains (losses)	(10,854		)	4,099			(6,755		)	8,196			(3,087		)	5,109
Net investment hedges:
Unrealized gains (losses) arising during the period	(674		)	254			(420		)	(1,382		)	522			(860		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	617			—			617			1,399			—			1,399
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(11		)	5			(6		)	(11		)	4			(7		)
Total other comprehensive income (loss)	$	(10,922	)	$	4,358		$	(6,564	)	$	8,202		$	(2,561	)	$	5,641
	Six Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(7,001	)	$	2,644		$	(4,357	)	$	20,514		$	(7,725	)	$	12,789
Reclassification of net (gains) losses to net income	590			(223		)	367			(629		)	236			(393		)
Net unrealized gains (losses)	(6,411		)	2,421			(3,990		)	19,885			(7,489		)	12,396
Net investment hedges:
Unrealized gains (losses) arising during the period	2,914			(1,101		)	1,813			(172		)	65			(107		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	(3,269		)	—			(3,269		)	23			—			23
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(23		)	9			(14		)	(23		)	9			(14		)
Total other comprehensive income (loss)	$	(6,789	)	$	1,329		$	(5,460	)	$	19,713		$	(7,415	)	$	12,298

(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 and net losses to net income related to securities available for sale were recorded in gains (losses) on securities, net in the Consolidated Statements of Income. The tax effect of these reclassifications was recorded in income tax expense in the Consolidated Statements of Income. See Note 11, Employee Benefit Plans, for additional information regarding TCF's recognized postretirement prior service cost.

36

Accumulated other comprehensive income (loss) balances are presented in the table below.

(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	(6,126	)	$	4,769		$	(8,646	)	$	197		$	(9,806	)
Other comprehensive income (loss)	(6,933		)	(420		)	617			—			(6,736		)
Amounts reclassified from accumulated other comprehensive income (loss)	178			—			—			(6		)	172
Net other comprehensive income (loss)	(6,755		)	(420		)	617			(6		)	(6,564		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	(19,696	)	$	1,344		$	(2,432	)	$	228		$	(20,556	)
Other comprehensive income (loss)	5,391			(860		)	1,399			—			5,930
Amounts reclassified from accumulated other comprehensive income (loss)	(282		)	—			—			(7		)	(289		)
Net other comprehensive income (loss)	5,109			(860		)	1,399			(7		)	5,641
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)
(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	(8,891	)	$	2,536		$	(4,760	)	$	205		$	(10,910	)
Other comprehensive income (loss)	(4,357		)	1,813			(3,269		)	—			(5,813		)
Amounts reclassified from accumulated other comprehensive income (loss)	367			—			—			(14		)	353
Net other comprehensive income (loss)	(3,990		)	1,813			(3,269		)	(14		)	(5,460		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	(26,983	)	$	591		$	(1,056	)	$	235		$	(27,213	)
Other comprehensive income (loss)	12,789			(107		)	23			—			12,705
Amounts reclassified from accumulated other comprehensive income (loss)	(393		)	—			—			(14		)	(407		)
Net other comprehensive income (loss)	12,396			(107		)	23			(14		)	12,298
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)

37

TCF FINANCIAL CORPORATION AND SUBSIDIARIES

Item 2. Management's Discussion and Analysis of Financial

Condition and Results of Operations

Overview

TCF Financial Corporation, a Delaware corporation ("we," "us," "our," "TCF," or the "Company"), is a national bank holding company based in Wayzata, Minnesota. Unless otherwise indicated, references herein to "TCF" include its direct and indirect subsidiaries. Its principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in Sioux Falls, South Dakota. References herein to "TCF Financial" refer to TCF Financial Corporation on an unconsolidated basis. At June 30, 2015, TCF had 376 branches in Illinois, Minnesota, Michigan, Colorado, Wisconsin, Arizona, South Dakota and Indiana (TCF's primary banking markets).

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 branches that are open seven days a week in all markets and on most holidays, extensive full-service supermarket branches, automated teller machine ("ATM") networks and internet, mobile and telephone banking. 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 through electronic channels and acquisitions of portfolios or companies. New products and services are designed to build on existing businesses and expand into complementary products and services through strategic initiatives. Funded through deposit generation, TCF continues to focus on asset growth in its leasing and equipment finance, inventory finance and auto finance businesses, as well as expanding its junior lien lending business.

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 64.5% and 66.5% of TCF's total revenue for the second quarter of 2015 and 2014, respectively. Net interest income can change significantly from period to period based on general levels of interest rates, customer prepayment patterns, the mix of interest-earning assets and the mix of interest-bearing and non-interest bearing deposits and 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" and "Part II, Item 1A. Risk Factors" for further discussion.

Non-interest income is a significant source of revenue for TCF and an important component of TCF's results of operations. Increasing fee and service charge revenue has been challenging as a result of changing consumer behavior and the impact of changes in regulations. Providing a wide range of retail banking services is an integral component of TCF's business philosophy and a major strategy for generating non-interest income. Key drivers of bank fees and service charges are the number of deposit accounts and related transaction activity. In addition, as an effort to diversify TCF's non-interest income sources and manage credit concentration risk, the Company continues to sell loans, primarily in auto finance and consumer real estate, to generate gains on sales as well as increase servicing fee income through the growth of loans sold with servicing retained by TCF.

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 second quarter and first six months of 2015 and 2014, and on information about TCF's balance sheet, loan and lease portfolio, liquidity, funding resources, capital and other matters.

38

Results of Operations

Performance Summary TCF reported diluted earnings per common share of 29 cents and 50 cents for the second quarter and first six months of 2015, respectively, compared with diluted earnings per common share of 29 cents and 54 cents for the same periods in 2014. TCF reported net income of $52.3 million and $92.1 million for the second quarter and first six months of 2015, respectively, compared with net income of $53.1 million and $97.9 million for the same periods in 2014.

Return on average assets was 1.10% and 0.98% for the second quarter and first six months of 2015, respectively, compared with 1.17% and 1.09% for the same periods in 2014. Return on average common equity was 9.93% and 8.71% for the second quarter and first six months of 2015, respectively, compared with 10.99% and 10.18% for the same periods in 2014.

Reportable Segment Results

Lending TCF's lending strategy is primarily to originate high credit quality secured loans and leases for investment and for sale. The lending portfolio consists of consumer real estate, commercial real estate and business lending, leasing and equipment finance, inventory finance and auto finance. Lending's disciplined portfolio growth generates earning assets and, along with its fee generating capabilities, produces a significant portion of the Company's revenue and net income. Lending generated net income available to common stockholders of $55.0 million and $102.5 million for the second quarter and first six months of 2015, respectively, compared with $50.0 million and $96.5 million for the same periods in 2014.

Lending net interest income totaled $155.9 million and $309.3 million for the second quarter and first six months of 2015, respectively, compared with $149.4 million and $294.2 million for the same periods in 2014. The increases from both periods were primarily driven by higher average loan and lease balances in the auto finance, leasing and equipment finance and inventory finance businesses. The increases were partially offset by lower consumer real estate first mortgage lien balances due to run-off, the troubled debt restructuring ("TDR") loan sale that occurred in the fourth quarter of 2014, and margin compression resulting from the competitive low interest rate environment.

Lending provision for credit losses totaled $11.9 million and $24.6 million for the second quarter and first six months of 2015, respectively, compared with $9.1 million and $23.4 million for the same periods in 2014. The increases from both periods were primarily driven by growth in the auto finance and consumer real estate junior lien portfolios.

Lending non-interest income totaled $60.5 million and $109.1 million for the second quarter and first six months of 2015, respectively, compared with $47.2 million and $98.5 million for the same periods in 2014. The increases from both periods were primarily due to increases in net gains on sales of consumer real estate loans and auto loans and an increase in servicing fee income due to an increase in the portfolio of loans serviced for others.

Lending non-interest expense totaled $114.5 million and $227.0 million for the second quarter and first six months of 2015, respectively, compared with $105.1 million and $210.8 million for the same periods in 2014. The increases from both periods were primarily due to increased staff levels to support the growth of auto finance.

39

Funding TCF's funding is primarily derived from branch banking and wholesale borrowings, with a focus on building and maintaining quality customer relationships. Deposits are generated from consumers and small businesses providing a source of low cost funds and fee income. Borrowings may be used to offset reductions in deposits or to support lending activities. Funding reported net loss available to common stockholders of $3.4 million and $10.4 million for the second quarter and first six months of 2015, respectively, compared with net income of $2.7 million for both the second quarter and first six months of 2014.

Funding net interest income totaled $50.9 million and $101.7 million for the second quarter and first six months of 2015, respectively, compared with $57.4 million and $114.6 million for the same periods in 2014. The decreases from both periods were primarily due to increased average interest rates on money market accounts and certificates of deposit as a result of deposit campaigns to fund loan and lease growth.

Funding non-interest income totaled $52.9 million and $103.1 million for the second quarter and first six months of 2015, respectively, compared with $56.0 million and $107.6 million for the same periods in 2014. The decreases from both periods were primarily due to a reduction in fees and service charges due to consumer behavior changes, as well as higher average checking account balances per customer.

Funding non-interest expense totaled $108.6 million and $220.4 million for the second quarter and first six months of 2015, respectively, relatively flat to $108.3 million and $216.8 million for the same periods in 2014.

Consolidated Income Statement Analysis

Net Interest Income  Net interest income represented 64.5% and 65.7% of TCF's total revenue for the second quarter and first six months of 2015, compared with 66.5% and 66.3% for the same periods in 2014. Net interest income 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 changes in prevailing short- and long-term interest rates, loan and deposit pricing strategies and competitive conditions, the volume and the mix of interest-earning assets and both non-interest bearing deposits and interest-bearing liabilities, the level of non-accrual loans and leases and other real estate owned and the impact of modified loans and leases.

40

The following table summarizes TCF's average balances, interest, dividends and yields and rates on major categories

of TCF's interest-earning assets and interest-bearing liabilities on a fully tax-equivalent basis.

	Three Months Ended June 30,
	2015						2014
(Dollars in thousands)	Average Balance		Interest		Yields and Rates(1)		Average Balance		Interest		Yields and Rates(1)
Assets:
Investments and other	$	551,630	$	3,216	2.34	%	$	623,721	$	4,054	2.61	%
Securities held to maturity	209,834		1,384		2.64		217,477		1,443		2.65
Securities available for sale(2)	573,919		3,566		2.49		408,075		2,805		2.75
Loans and leases held for sale	340,912		7,774		9.15		240,304		5,001		8.35
Loans and leases:
Consumer real estate:
Fixed-rate	2,776,177		39,696		5.73		3,393,788		48,372		5.72
Variable-rate	2,811,510		35,973		5.13		2,710,998		34,757		5.14
Total consumer real estate	5,587,687		75,669		5.43		6,104,786		83,129		5.46
Commercial:
Fixed-rate	1,193,011		14,954		5.03		1,515,353		19,503		5.16
Variable- and adjustable-rate	1,955,261		18,765		3.85		1,615,967		16,151		4.01
Total commercial	3,148,272		33,719		4.30		3,131,320		35,654		4.57
Leasing and equipment finance	3,751,776		43,738		4.66		3,500,647		41,276		4.72
Inventory finance	2,292,481		32,064		5.61		2,061,437		30,482		5.93
Auto finance	2,211,014		22,633		4.11		1,518,194		16,770		4.43
Other	10,734		185		6.92		12,040		230		7.63
Total loans and leases(3)	17,001,964		208,008		4.90		16,328,424		207,541		5.10
Total interest-earning assets	18,678,259		223,948		4.81		17,818,001		220,844		4.97
Other assets(4)	1,211,774						1,123,148
Total assets	$	19,890,033					$	18,941,149
Liabilities and Equity:
Non-interest bearing deposits:
Retail	$	1,699,668					$	1,579,528
Small business	822,683						788,540
Commercial and custodial	497,883						388,562
Total non-interest bearing deposits	3,020,234						2,756,630
Interest-bearing deposits:
Checking	2,422,909		137		0.02		2,363,106		261		0.04
Savings	5,033,329		800		0.06		5,887,133		2,406		0.16
Money market	2,261,567		3,450		0.61		1,019,543		1,098		0.43
Subtotal	9,717,805		4,387		0.18		9,269,782		3,765		0.16
Certificates of deposit	3,116,718		6,693		0.86		2,742,832		5,112		0.75
Total interest-bearing deposits	12,834,523		11,080		0.35		12,012,614		8,877		0.30
Total deposits	15,854,757		11,080		0.28		14,769,244		8,877		0.24
Borrowings:
Short-term borrowings	8,246		12		0.63		220,042		145		0.26
Long-term borrowings	1,236,465		5,960		1.93		1,368,480		4,968		1.45
Total borrowings	1,244,711		5,972		1.92		1,588,522		5,113		1.29
Total interest-bearing liabilities	14,079,234		17,052		0.49		13,601,136		13,990		0.41
Total deposits and borrowings	17,099,468		17,052		0.40		16,357,766		13,990		0.34
Other liabilities	594,352						541,458
Total liabilities	17,693,820						16,899,224
Total TCF Financial Corp. stockholders' equity	2,173,699						2,020,815
Non-controlling interest in subsidiaries	22,514						21,110
Total equity	2,196,213						2,041,925
Total liabilities and equity	$	19,890,033					$	18,941,149
Net interest income and margin			$	206,896	4.44				$	206,854	4.65

(1) Annualized.

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

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

(4) Includes operating leases.

41

	Six Months Ended June 30,
	2015						2014
(Dollars in thousands)	Average Balance		Interest		Yields and Rates(1)		Average Balance		Interest		Yields and Rates(1)
Assets:
Investments and other	$	608,303	$	6,713	2.22	%	$	622,277	$	8,039	2.60	%
Securities held to maturity	210,735		2,789		2.65		179,509		2,407		2.68
Securities available for sale(2)	524,582		6,646		2.53		437,786		5,968		2.73
Loans and leases held for sale	308,709		13,610		8.89		218,210		8,979		8.30
Loans and leases:
Consumer real estate:
Fixed-rate	2,843,979		83,056		5.89		3,446,020		96,904		5.67
Variable-rate	2,795,248		71,189		5.14		2,769,663		70,573		5.14
Total consumer real estate	5,639,227		154,245		5.51		6,215,683		167,477		5.43
Commercial:
Fixed-rate	1,233,186		30,684		5.02		1,537,549		38,999		5.11
Variable- and adjustable-rate	1,917,938		37,014		3.89		1,589,169		32,329		4.10
Total commercial	3,151,124		67,698		4.33		3,126,718		71,328		4.60
Leasing and equipment finance	3,740,691		87,223		4.66		3,467,851		82,055		4.73
Inventory finance	2,201,183		61,756		5.66		1,968,431		57,951		5.94
Auto finance	2,116,604		43,484		4.14		1,423,240		31,557		4.47
Other	11,173		398		7.19		12,654		472		7.52
Total loans and leases(3)	16,860,002		414,804		4.95		16,214,577		410,840		5.10
Total interest-earning assets	18,512,331		444,562		4.83		17,672,359		436,233		4.97
Other assets(4)	1,223,486						1,109,685
Total assets	$	19,735,817					$	18,782,044
Liabilities and Equity:
Non-interest bearing deposits:
Retail	$	1,673,364					$	1,558,414
Small business	813,554						780,229
Commercial and custodial	493,590						387,749
Total non-interest bearing deposits	2,980,508						2,726,392
Interest-bearing deposits:
Checking	2,400,957		288		0.02		2,353,156		522		0.04
Savings	5,088,007		1,901		0.08		6,003,000		4,935		0.17
Money market	2,205,764		7,017		0.64		919,981		1,673		0.37
Subtotal	9,694,728		9,206		0.19		9,276,137		7,130		0.15
Certificates of deposit	3,079,461		12,946		0.85		2,643,639		9,784		0.75
Total interest-bearing deposits	12,774,189		22,152		0.35		11,919,776		16,914		0.29
Total deposits	15,754,697		22,152		0.28		14,646,168		16,914		0.23
Borrowings:
Short-term borrowings	8,124		30		0.75		159,401		225		0.28
Long-term borrowings	1,207,872		11,244		1.87		1,430,941		10,204		1.43
Total borrowings	1,215,996		11,274		1.86		1,590,342		10,429		1.31
Total interest-bearing liabilities	13,990,185		33,426		0.48		13,510,118		27,343		0.41
Total deposits and borrowings	16,970,693		33,426		0.40		16,236,510		27,343		0.34
Other liabilities	591,463						531,806
Total liabilities	17,562,156						16,768,316
Total TCF Financial Corp. stockholders' equity	2,153,851						1,995,373
Non-controlling interest in subsidiaries	19,810						18,355
Total equity	2,173,661						2,013,728
Total liabilities and equity	$	19,735,817					$	18,782,044
Net interest income and margin			$	411,136	4.47				$	408,890	4.66

(1) Annualized.

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

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

(4) Includes operating leases.

42

Net interest income, including the impact of tax-equivalent adjustments of $0.9 million, was $206.9 million for the second quarter of 2015, consistent with the same period of 2014.

Net interest income, including the impact of tax-equivalent adjustments of $1.7 million, was $411.1 million for the first six months of 2015, an increase of 0.5% from $408.9 million for the same period of 2014. This increase was primarily driven by higher average loan and lease balances in the auto finance and inventory finance portfolios, partially offset by lower first mortgage consumer real estate loan balances due to run-off and the TDR loan sale that occurred in the fourth quarter of 2014.

Net interest margin was 4.44% and 4.65% for the second quarter of 2015 and 2014, respectively. Net interest margin was 4.47% and 4.66% for the first six months of 2015 and 2014, respectively. The decreases from both periods were primarily due to margin compression resulting from the competitive low interest rate environment as well as a higher total deposit rate to incrementally fund the balance sheet growth at market rates.

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, the portfolios' overall risk characteristics, changes in its character or size, risk rating migration, delinquencies, collateral values and prevailing economic conditions.

The following tables summarize the composition of TCF's provision for credit losses for the second quarter and first six months of 2015 and 2014.

	Three Months Ended June 30,										Change
(Dollars in thousands)	2015					2014					$			%
Consumer real estate	$	5,061		40.4	%	$	4,106		41.4	%	$	955		23.3	%
Commercial	(302		)	(2.4	)	(1,168		)	(11.8	)	866			74.1
Leasing and equipment finance	1,218			9.7		1,534			15.5		(316		)	(20.6	)
Inventory finance	(951		)	(7.6	)	(752		)	(7.6	)	(199		)	(26.5	)
Auto finance	7,096			56.6		5,521			55.7		1,575			28.5
Other	406			3.3		668			6.8		(262		)	(39.2	)
Total	$	12,528		100.0	%	$	9,909		100.0	%	$	2,619		26.4

	Six Months Ended June 30,										Change
(Dollars in thousands)	2015					2014					$			%
Consumer real estate	$	7,880		31.1	%	$	11,185		45.8	%	$	(3,305	)	(29.5	)%
Commercial	(69		)	(0.3	)	(1,048		)	(4.3	)	979			93.4
Leasing and equipment finance	1,584			6.3		2,173			8.9		(589		)	(27.1	)
Inventory finance	2,081			8.2		925			3.8		1,156			125.0
Auto finance	13,436			53.1		10,348			42.4		3,088			29.8
Other	407			1.6		818			3.4		(411		)	(50.2	)
Total	$	25,319		100.0	%	$	24,401		100.0	%	$	918		3.8

TCF provided $12.5 million and $25.3 million for credit losses during the second quarter and first six months of 2015, respectively, compared with $9.9 million and $24.4 million for the same periods in 2014. The increases from both periods were primarily due to an increase in the auto finance reserve requirements due to growth in the portfolio.

Net loan and lease charge-offs for the second quarter and first six months of 2015 were $17.5 million, or 0.41% (annualized) of average loans and leases, and $29.0 million or 0.34% (annualized) of average loans and leases, respectively, compared with $18.4 million, or 0.45% (annualized), and $35.8 million, or 0.44% (annualized), for the same periods in 2014. The decreases from both periods were primarily due to improved credit quality in the consumer real estate and commercial portfolios.

For additional information, see "Consolidated Financial Condition Analysis — Credit Quality" in this Management's Discussion and Analysis.

43

Non-interest Income  Non-interest income is a significant source of revenue for TCF, representing 35.5% and 34.3% of total revenues for the second quarter and first six months of 2015, respectively, compared with 33.5% and 33.7% for the same periods in 2014, and is an important factor in TCF's results of operations. Total fees and other revenue were $113.5 million and $214.2 million for the second quarter and first six months of 2015, respectively, compared with $103.2 million and $206.3 million for the same periods in 2014.

Fees and Service Charges  Fees and service charges totaled $36.3 million and $70.3 million for the second quarter and first six months of 2015, respectively, compared with $38.0 million and $74.7 million for the same periods in 2014. The decreases from both periods were primarily due to consumer behavior changes, as well as higher average checking account balances per customer.

Card Revenue  Card revenue, primarily interchange fees, totaled $13.9 million and $26.8 million for the second quarter and first six months of 2015, respectively, compared with $13.2 million and $25.5 million for the same periods in 2014. The increases from both periods were primarily due to increased transaction volume.

TCF is the 17^th largest issuer of Visa^® consumer debit cards and the 17^th largest issuer of Visa small business debit cards in the United States, based on payment volume for the three months ended March 31, 2015, as provided by Visa. TCF earns interchange revenue from customer card transactions paid primarily by merchants, not TCF's customers. Card revenue represented 24.9% of banking fee revenue for both the second quarter and first six months of 2015, compared with 23.2% and 22.9% for the same periods in 2014.

Gains on Sales of Auto Loans, Net  TCF sold $436.4 million and $639.9 million of auto loans and recognized net gains of $11.2 million and $17.9 million for the second quarter and first six months of 2015, respectively, compared with sales of $220.2 million and $481.9 million of auto loans with recognized net gains of $7.4 million and $16.2 million for the same periods in 2014. The auto loans sold for the second quarter of 2015 related to the execution of the Company's second auto loan securitization.

Gains on Sales of Consumer Real Estate Loans, Net  TCF sold $364.9 million and $629.3 million of consumer real estate loans, the majority of which are junior lien loans, and recognized net gains of $11.8 million and $20.0 million for the second quarter and first six months of 2015, respectively, compared with sales of $224.2 million and $571.6 million with recognized net gains of $8.1 million and $19.7 million for the same periods in 2014. Included in consumer real estate loans sold was $74.5 million and $136.3 million of first mortgage loans related to the correspondent lending program for the second quarter and first six months of 2015, respectively, resulting in net gains of $1.6 million and $3.0 million in each respective period. There were no sales of correspondent lending loans during the second quarter and first six months of 2014.

Servicing Fee Income  Servicing fee income totaled $7.2 million and $14.6 million for the second quarter and first six months of 2015, respectively, compared with $4.9 million and $9.2 million for the same periods in 2014. The increases from both periods were primarily due to an increase in the portfolio of auto and consumer real estate loans sold with servicing retained by TCF. Total loans and leases serviced for others was $3.9 billion as of June 30, 2015, compared with $2.6 billion as of June 30, 2014.

Non-interest Expense  Non-interest expense totaled $223.1 million and $449.9 million for the second quarter and first six months of 2015, compared with $213.2 million and $430.3 million for the same periods in 2014.

Compensation and Employee Benefits Compensation and employee benefits expense totaled $116.2 million and $232.0 million for the second quarter and first six months of 2015, compared with $109.7 million and $224.8 million for the same periods in 2014. The increases from both periods were primarily due to the increased staff levels to support the growth of auto finance.

FDIC Insurance  FDIC insurance expense totaled $4.9 million and $10.3 million for the second quarter and first six months of 2015, compared with $7.6 million and $15.2 million for the same periods in 2014. The decreases from both periods were due to a lower assessment rate primarily as a result of the TDR loan sale that occurred in the fourth quarter of 2014 and improved credit metrics.

Income Taxes  Income tax expense totaled $28.9 million for the second quarter of 2015, or 34.5% of income before income tax expense, compared with $31.4 million, or 36.1% for the same period in 2014. Income tax expense totaled $51.7 million for the first six months of 2015, or 34.9% of income before income tax expense, compared with $58.0 million, or 36.2% for the same period in 2014.

44

Consolidated Financial Condition Analysis

Loans and Leases  Total loans and leases were $16.9 billion at June 30, 2015, an increase of 2.9%, from $16.4 billion at December 31, 2014, primarily driven by growth in the auto finance and inventory finance portfolios.

Consumer Real Estate The consumer real estate portfolio consisted of $2.9 billion and $2.7 billion of first mortgage lien loans and junior lien loans, respectively, at June 30, 2015, a decrease of 8.7% and an increase of 5.3%, respectively, from $3.1 billion and $2.5 billion, respectively, at December 31, 2014. At June 30, 2015, 51.2% of the consumer real estate portfolio carried a variable interest rate tied to the prime rate, compared with 47.7% at December 31, 2014. The average Fair Isaac Corporation ("FICO^®") credit score at loan origination for the consumer real estate lending portfolio was 731 and 734 as of June 30, 2015 and December 31, 2014, respectively. As part of TCF's credit risk monitoring, TCF obtains updated FICO score information quarterly. The average updated FICO score for the retail lending portfolio was 731 and 730 as of June 30, 2015 and December 31, 2014, respectively. Outstanding balances on consumer real estate lines of credit were $2.5 billion and $2.3 billion at June 30, 2015 and December 31, 2014, respectively. At June 30, 2015, 54.2% of the consumer real estate loan balance had been originated since January 1, 2009 with annualized net charge-offs of 0.04%.

Commercial Real Estate and Business Lending The commercial real estate and business lending portfolio consisted of $2.5 billion and $0.6 billion of commercial real estate loans and commercial business loans, respectively, at June 30, 2015, a decrease of 3.4% and an increase8.1%, respectively, from $2.6 billion and $0.5 billion, respectively, at December 31, 2014. At June 30, 2015, 87.1% of TCF's commercial real estate loans outstanding were secured by properties located in its primary banking markets, compared with 88.3% at December 31, 2014. With an emphasis on secured lending, 99.9% of TCF's total commercial loans were secured either by properties or other business assets at both June 30, 2015 and December 31, 2014. Variable and adjustable-rate loans represented 63.3% of the total commercial loans outstanding at June 30, 2015, compared with 58.3% at December 31, 2014.

Leasing and Equipment Finance The leasing and equipment finance portfolio consisted of $2.0 billion of leases and $1.8 billion of loans as of June 30, 2015 compared with $1.9 billion of leases and $1.8 billion of loans at December 31, 2014. The uninstalled backlog of approved transactions was $526.4 million at June 30, 2015, compared with $418.0 million at December 31, 2014.

Inventory Finance Inventory finance loans totaled $2.1 billion at June 30, 2015, an increase of 12.2% from $1.9 billion at December 31, 2014, primarily due to seasonal inventory increases within lawn and garden, combined with growth in the powersports and other segments as our dealers continue to experience growth in their businesses.

Auto Finance Auto finance loans totaled $2.3 billion at June 30, 2015, an increase of 20.2% from $1.9 billion at December 31, 2014. The increase was due to continued growth as TCF expands the number of active dealers in its network. The auto finance network included dealers in all 50 states and more than 11,000 active dealers at June 30, 2015, compared with more than 10,500 active dealers at December 31, 2014. The auto finance portfolio consisted of 25.2% new car loans and 74.8% used car loans at June 30, 2015, compared with 25.4% and 74.6%, respectively, at December 31, 2014. The average original FICO score for the held for investment auto finance portfolio was 725 and 724 at June 30, 2015 and December 31, 2014, respectively.

45

Credit Quality  The following sections summarize TCF's loan and lease portfolio based on what TCF believes are the most important credit quality data that should be used to understand the overall condition of the portfolio.

Past Due Loans and Leases  The following table summarizes TCF's over 60-day delinquent loan and lease portfolio by type, excluding non-accrual loans and leases. Delinquent balances are determined based on the contractual terms of the loan or lease. See Note 5 of Notes to Consolidated Financial Statements, Allowance for Loan and Lease Losses and Credit Quality Information, for additional information.

	At June 30, 2015				At December 31, 2014
(Dollars in thousands)	Loans and Leases Balance		Percentage of Portfolio		Loans and Leases Balance		Percentage of Portfolio
Consumer real estate:
First mortgage lien	$	9,505	0.38	%	$	13,370	0.49	%
Junior lien	1,995		0.08		2,091		0.08
Total consumer real estate	11,500		0.22		15,461		0.30
Commercial	1		—		—		—
Leasing and equipment finance	2,421		0.06		2,549		0.07
Inventory finance	95		—		75		—
Auto finance	2,470		0.11		4,263		0.22
Other	25		0.11		—		—
Subtotal	16,512		0.10		22,348		0.14
Delinquencies in acquired portfolios	735		0.28		88		0.03
Total	$	17,247	0.10		$	22,436	0.14

Loan Modifications  The following table provides a summary of accruing TDR loans.

(Dollars in thousands)	At June 30, 2015			At December 31, 2014
Consumer real estate	$	110,318		$	111,933
Commercial	44,494			80,375
Leasing and equipment finance	898			924
Inventory finance	3			527
Auto finance	33			—
Other	19			89
Total	$	155,765		$	193,848
Over 60-day delinquency as a percentage of total accruing TDR loans	1.05		%	1.39		%

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.

Under consumer real estate programs, TCF typically reduces a customer's contractual payments through 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. Although loans classified as TDR loans are considered impaired, TCF received more than 60% of the original contractual interest due on accruing consumer real estate TDR loans during the second quarter of 2015, yielding 4.1%, by modifying the loans to qualified customers instead of foreclosing on the property.

46

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 June 30, 2015, 82.1% of total commercial TDR loans were accruing and TCF recognized more than 87% of the original contractual interest due on accruing commercial TDR loans during the second quarter of 2015. At June 30, 2015, collection of principal and interest under the modified terms was reasonably assured on all accruing commercial TDR loans.

TCF utilizes a multiple note structure as a workout alternative for certain commercial loans, which restructures a troubled loan into two notes. When utilizing this multiple note structure, the first note is always classified as a TDR loan. Under TCF policy, the first note is established at an amount and with market terms that provide reasonable assurance of payment and performance. If the loan was modified at an interest rate equal to the yield of a new loan originated with comparable risk at the time of restructuring and the loan is performing based on the terms of the restructuring agreement, this note may be removed from TDR loan classification in the calendar year after modification. This note is reported on accrual status if the loan has been formally restructured so as to be reasonably assured of payment and performance according to its modified terms. This evaluation includes consideration of the customer's payment performance for a reasonable period of at least six consecutive months, which may include time prior to the restructuring, before the loan is returned to accrual status. The second note is charged-off. This second note is a separate and distinct legal contract and is still outstanding. Should the borrower's financial position improve, the loan may become recoverable. At June 30, 2015, one TDR loan restructured as multiple notes with a combined total contractual balance of $11.1 million and a remaining book balance of $10.6 million is included in the preceding table.

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

Non-accrual Loans and Leases and Other Real Estate Owned  The following table summarizes TCF's non-accrual loans and leases and other real estate owned.

(Dollars in thousands)	At June 30, 2015			At December 31, 2014
Consumer real estate:
First mortgage lien	$	131,095		$	137,790
Junior lien	36,759			35,481
Total consumer real estate	167,854			173,271
Commercial:
Commercial real estate	16,758			24,554
Commercial business	354			481
Total commercial	17,112			25,035
Leasing and equipment finance	11,440			12,670
Inventory finance	2,896			2,082
Auto finance	6,405			3,676
Other	3			—
Total non-accrual loans and leases	205,710			216,734
Other real estate owned	58,007			65,650
Total non-accrual loans and leases and other real estate owned	$	263,717		$	282,384
Non-accrual loans and leases as a percentage of total loans and leases	1.22		%	1.32		%
Non-accrual loans and leases and other real estate owned as a percentage of total loans and leases and other real estate owned	1.56			1.71
Allowance for loan and lease losses as a percentage of non-accrual loans and leases	75.89			75.75

47

The following table summarizes TCF's non-accrual TDR loans included in the table above.

(In thousands)	At June 30, 2015		At December 31, 2014
Consumer real estate	$	84,285	$	87,685
Commercial	9,678		11,265
Leasing and equipment finance	1,553		1,953
Inventory finance	—		37
Auto finance	5,596		3,676
Total	$	101,112	$	104,616

Consumer real estate loans are generally placed on non-accrual status once they become 90 days past due and are charged-off to the estimated fair value of underlying collateral, less estimated selling costs, no later than 150 days past due. Commercial loans are generally placed on non-accrual status once they become 90 days past due unless they are well secured and in the process of collection. Auto loans are generally charged-off to the fair value of the collateral, less estimated selling costs, upon entering non-accrual status no later than 120 days past due. Any necessary additional reserves are established for commercial loans, leasing and equipment finance loans and leases, and inventory finance loans when reported as non-accrual. 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.

Changes in the amount of non-accrual loans and leases for the three and six months ended June 30, 2015 are summarized in the following tables.

	At or For the Three Months Ended June 30, 2015
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
Balance, beginning of period	$	171,561		$	24,435		$	12,103		$	9,460		$	4,584		$	—		$	222,143
Additions	33,482			—			3,465			1,084			2,808			7			40,846
(Charge-offs) recoveries	(9,316		)	(2,577		)	(1,319		)	(486		)	(360		)	8			(14,050		)
Transfers to other assets	(15,639		)	(165		)	(903		)	(874		)	(157		)	—			(17,738		)
Return to accrual status	(5,958		)	—			(90		)	(4,250		)	—			—			(10,298		)
Payments received	(6,363		)	(4,228		)	(1,816		)	(2,654		)	(470		)	(12		)	(15,543		)
Sales	—			(353		)	—			—			—			—			(353		)
Other, net	87			—			—			616			—			—			703
Balance, end of period	$	167,854		$	17,112		$	11,440		$	2,896		$	6,405		$	3		$	205,710

	At or For the Six Months Ended June 30, 2015
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
Balance, beginning of period	$	173,271		$	25,035		$	12,670		$	2,082		$	3,676		$	—		$	216,734
Additions	66,154			4,704			7,663			9,473			4,492			7			92,493
(Charge-offs) recoveries	(15,414		)	(3,449		)	(2,790		)	(833		)	(501		)	16			(22,971		)
Transfers to other assets	(31,740		)	(245		)	(1,132		)	(1,123		)	(279		)	—			(34,519		)
Return to accrual status	(13,384		)	—			(308		)	(4,274		)	—			—			(17,966		)
Payments received	(11,325		)	(6,483		)	(4,663		)	(3,043		)	(983		)	(20		)	(26,517		)
Sales	—			(2,603		)	—			—			—			—			(2,603		)
Other, net	292			153			—			614			—			—			1,059
Balance, end of period	$	167,854		$	17,112		$	11,440		$	2,896		$	6,405		$	3		$	205,710

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

The following tables summarize accruing loans and leases by portfolio and regulatory classification and non-accrual loans and leases by portfolio.

	At June 30, 2015
	Accruing Non-classified						Accruing Classified						Total Accruing			Total Non-accrual			Total Loans and Leases
(Dollars in thousands)	Pass			Special Mention			Substandard			Doubtful
Consumer real estate	$	5,281,200		$	67,563		$	27,412		$	—		$	5,376,175		$	167,854		$	5,544,029
Commercial	3,003,430			38,559			53,243			—			3,095,232			17,112			3,112,344
Leasing and equipment finance	3,757,822			10,919			11,034			—			3,779,775			11,440			3,791,215
Inventory finance	1,837,650			110,749			154,792			—			2,103,191			2,896			2,106,087
Auto finance	2,291,273			33			4,003			—			2,295,309			6,405			2,301,714
Other	21,825			—			24			—			21,849			3			21,852
Total loans and leases	$	16,193,200		$	227,823		$	250,508		$	—		$	16,671,531		$	205,710		$	16,877,241
Percent of total loans and leases	96.0		%	1.3		%	1.5		%	—		%	98.8		%	1.2		%	100.0		%

	At December 31, 2014
	Accruing Non-classified						Accruing Classified						Total Accruing			Total Non-accrual			Total Loans and Leases
(Dollars in thousands)	Pass			Special Mention			Substandard			Doubtful
Consumer real estate	$	5,395,103		$	69,811		$	44,179		$	—		$	5,509,093		$	173,271		$	5,682,364
Commercial	3,033,992			46,935			51,703			—			3,132,630			25,035			3,157,665
Leasing and equipment finance	3,704,565			16,539			11,548			—			3,732,652			12,670			3,745,322
Inventory finance	1,661,701			90,413			122,894			—			1,875,008			2,082			1,877,090
Auto finance	1,906,740			—			4,645			—			1,911,385			3,676			1,915,061
Other	24,136			8			—			—			24,144			—			24,144
Total loans and leases	$	15,726,237		$	223,706		$	234,969		$	—		$	16,184,912		$	216,734		$	16,401,646
Percent of total loans and leases	95.9		%	1.4		%	1.4		%	—		%	98.7		%	1.3		%	100.0		%

The combined balance of accruing classified loans and leases and non-accrual loans and leases was $456.2 million at June 30, 2015, an increase of $4.5 million from December 31, 2014, primarily due to an increase in inventory finance classified loans, partially offset by a decrease in consumer real estate classified loans and a decrease in total non-accrual loans. Included in the table above in the non-accrual column are $52.8 million and $50.0 million of consumer real estate loans discharged in Chapter 7 bankruptcy that were not reaffirmed at June 30, 2015 and December 31, 2014, respectively.

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, the portfolios' overall risk characteristics, changes in its character or size, risk rating migration, delinquencies, collateral values and prevailing economic conditions. The various factors used in the methodologies are reviewed on a periodic basis.

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The Company considers the allowance for loan and lease losses of $156.1 million appropriate to cover losses incurred in the loan and lease portfolios at June 30, 2015. 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, 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 of Notes to Consolidated Financial Statements, Allowance for Loan and Lease Losses and Credit Quality Information, the following table includes detailed information regarding TCF's allowance for loan and lease losses.

	At June 30, 2015				At December 31, 2014
(Dollars in thousands)	Allowance		Percentage of Portfolio		Allowance		Percentage of Portfolio
Consumer real estate:
First mortgage lien	$	50,503	1.76	%	$	55,319	1.76	%
Junior lien	24,184		0.90		30,042		1.18
Consumer real estate	74,687		1.35		85,361		1.50
Commercial:
Commercial real estate	22,321		0.88		24,616		0.94
Commercial business	7,884		1.37		6,751		1.27
Total commercial	30,205		0.97		31,367		0.99
Leasing and equipment finance	17,669		0.47		18,446		0.49
Inventory finance	10,879		0.52		10,020		0.53
Auto finance	22,061		0.96		18,230		0.95
Other	614		2.81		745		3.09
Total allowance for loan and lease losses	156,115		0.93		164,169		1.00
Other credit loss reserves:
Reserves for unfunded commitments	983		N.A.		943		N.A.
Total credit loss reserves	$	157,098	0.93		$	165,112	1.01

N.A. Not Applicable.

At June 30, 2015, the allowance as a percent of total loans and leases decreased to 0.93%, compared with 1.00% at December 31, 2014. The decrease was driven by improved home values and charge-offs of previously reserved consumer real estate loan balances.

Other Real Estate Owned and Repossessed and Returned Assets  Other real estate owned and repossessed and returned assets are summarized in the following table.

(In thousands)	At June 30, 2015		At December 31, 2014
Other real estate owned:(1)
Consumer real estate	$	44,336	$	44,932
Commercial real estate	13,671		20,718
Total other real estate owned	58,007		65,650
Repossessed and returned assets	7,370		3,525
Total other real estate owned and repossessed and returned assets	$	65,377	$	69,175

(1)  Includes properties owned and foreclosed properties subject to redemption.

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Total consumer real estate properties reported in other real estate owned included 294 owned properties and 129 foreclosed properties subject to redemption at June 30, 2015, compared with 277 owned properties and 146 foreclosed properties subject to redemption at December 31, 2014. The increase in owned properties from December 31, 2014 resulted from the addition of 317 properties, partially offset by sales of 300 properties. The average length of time of consumer real estate properties sold during the second quarter of 2015 was approximately 4.9 months from the date the properties were listed for sale. Consumer real estate loans in process of foreclosure were $47.5 million and $53.7 million at June 30, 2015 and December 31, 2014, respectively.

The changes in the amount of other real estate owned for the second quarter and first six months of 2015 are summarized in the following tables.

	At or For the Three Months Ended June 30, 2015
(In thousands)	Consumer			Commercial			Total
Balance, beginning of period	$	44,363		$	18,035		$	62,398
Transferred in, net of charge-offs	15,193			166			15,359
Sales	(14,404		)	(2,760		)	(17,164		)
Write-downs	(2,311		)	(1,692		)	(4,003		)
Other, net	1,495			(78		)	1,417
Balance, end of period	$	44,336		$	13,671		$	58,007

	At or For the Six Months Ended June 30, 2015
(In thousands)	Consumer			Commercial			Total
Balance, beginning of period	$	44,932		$	20,718		$	65,650
Transferred in, net of charge-offs	30,626			246			30,872
Sales	(28,192		)	(4,371		)	(32,563		)
Write-downs	(4,586		)	(2,841		)	(7,427		)
Other, net	1,556			(81		)	1,475
Balance, end of period	$	44,336		$	13,671		$	58,007

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

TCF Bank had $552.9 million and $767.0 million of net liquidity qualifying interest-bearing deposits at the Federal Reserve Bank at June 30, 2015 and December 31, 2014, respectively. Interest-bearing deposits held at the Federal Reserve Bank and unencumbered securities were $1.3 billion and $1.4 billion at June 30, 2015 and December 31, 2014, respectively.

The primary source of funding for TCF Commercial Finance Canada, Inc. ("TCFCFC") is a line of credit with TCF Bank. Primarily for contingency purposes, TCFCFC maintains a $20.0 million Canadian dollar-denominated line of credit facility with a counterparty, which is guaranteed by TCF Bank. At June 30, 2015, TCFCFC had $4.0 million (USD) outstanding under the line of credit with the counterparty.

Deposits  Deposits totaled $15.8 billion at June 30, 2015, an increase of $0.4 billion, or 2.4%, from December 31, 2014, primarily due to special campaigns for money market accounts and certificates of deposit.

Checking, savings and money market deposits are an important source of low interest cost funds for TCF. These deposits totaled $12.6 billion at June 30, 2015, an increase of $0.2 billion from December 31, 2014, and comprised 79.8% of total deposits at June 30, 2015, compared with 80.3% of total deposits at December 31, 2014. The average balance of these types of deposits for both the second quarter and first six months of 2015 was $12.7 billion, an increase of $0.7 billion from the $12.0 billion average balance for both the second quarter and first six months of 2014.

Certificates of deposit totaled $3.2 billion at June 30, 2015, compared with $3.0 billion at December 31, 2014.

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Non-interest bearing checking represented 19.0% of total deposits at June 30, 2015, compared with 18.3% at December 31, 2014. TCF's weighted-average rate for deposits, including non-interest bearing deposits, was 0.28% at June 30, 2015, compared with 0.26% at December 31, 2014. The increase was primarily due to increased average rates resulting from promotions for money market accounts and certificates of deposit.

Borrowings  Borrowings totaled $1.2 billion at both June 30, 2015 and December 31, 2014. Historically, TCF has borrowed primarily from the Federal Home Loan Bank ("FHLB") of Des Moines, institutional sources under repurchase agreements and other sources. At June 30, 2015, TCF had $2.6 billion of unused, secured borrowing capacity at the FHLB of Des Moines.

On February 27, 2015, TCF Bank issued $150.0 million of subordinated notes due February 27, 2025 with a fixed-rate coupon of 4.60% per annum. Simultaneously, TCF Bank entered into an interest rate swap agreement designated as a fair value hedge. The effect of the interest rate swap is to effectively convert the fixed-rate on the subordinated notes to a floating interest rate based on the three-month LIBOR plus a fixed number of basis points on the notional amount.

See Note 7 and Note 8 of Notes to Consolidated Financial Statements, Short-term Borrowings and Long-term Borrowings, respectively, for additional information regarding TCF's borrowings.

Capital Management  TCF is committed to managing capital to maintain protection for 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, or the declaration of preferred stock, common stock or 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's capital levels are managed in such a manner that all regulatory capital requirements for well-capitalized banks and bank holding companies are exceeded. At June 30, 2015 and December 31, 2014, regulatory capital for TCF and TCF Bank exceeded their respective regulatory capital requirements. See Note 9 of Notes to Consolidated Financial Statements, Regulatory Capital Requirements.

Preferred Stock  At June 30, 2015, there were 6,900,000 depositary shares outstanding, each representing a 1/1,000th 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)("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%. At June 30, 2015, there were 4,000,000 shares outstanding of 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 ("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%.

Equity  Total equity at June 30, 2015 was $2.2 billion, or 11.2% of total assets, compared with $2.1 billion, or 11.0% of total assets, at December 31, 2014. Dividends to common stockholders on a per share basis totaled 5 cents for the quarters ended June 30, 2015 and 2014. TCF's common dividend payout ratio was 17.2% for both the quarters ended June 30, 2015 and 2014. TCF Financial's primary funding sources for dividends are earnings and dividends received from TCF Bank.

At June 30, 2015, 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.

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Tangible common equity at June 30, 2015 was $1.7 billion, or 8.72% of total tangible assets, compared with $1.6 billion, or 8.50% of total tangible assets, at December 31, 2014. 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 provides investors, regulators and other users with information to be viewed in relation to other banking institutions.

The following table includes reconciliations of the non-GAAP financial measures of tangible common equity and tangible assets to the GAAP measures of total equity and total assets, respectively.

(Dollars in thousands)	At June 30, 2015			At December 31, 2014
Computation of tangible common equity to tangible assets:
Total equity	$	2,222,022		$	2,135,364
Less: Non-controlling interest in subsidiaries	19,511			13,715
Total TCF Financial Corporation stockholders' equity	2,202,511			2,121,649
Less:
Preferred stock	263,240			263,240
Goodwill	225,640			225,640
Other intangibles	3,909			4,641
Tangible common equity	$	1,709,722		$	1,628,128
Total assets	$	19,826,350		$	19,394,611
Less:
Goodwill	225,640			225,640
Other intangibles	3,909			4,641
Tangible assets	$	19,596,801		$	19,164,330
Tangible common equity to tangible assets	8.72		%	8.50		%

Recent Accounting Developments

In May 2015, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2015-07, Fair Value Measurement (Topic 820):Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent), which eliminates the requirement to categorize within the fair value hierarchy all investments for which fair value is measured using the net asset value per share practical expedient pursuant to Accounting Standards Codification 820, Fair Value Measurement. 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, 2016. Early adoption is allowed. The adoption of this ASU is not expected to have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-05,Intangibles-Goodwill and Other - Internal-Use Software (Subtopic 350-40); Customer's Accounting for Fees Paid in a Cloud Computing Arrangement, which updates guidance about whether a cloud computing arrangement includes a software license and how to account for those software licenses. The adoption of this ASU will be required on either a retrospective or prospective basis beginning with TCF's Quarterly Report on Form 10-Q for the quarter ending March 31, 2016. Early adoption is allowed. The adoption of this ASU will not have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-04,Compensation-Retirement Benefits (Topic 715): Practical Expedient for the Measurement Date of an Employer's Defined Benefit Obligation and Plan Assets, which allows employers with fiscal year ends that do not coincide with a calendar month end to make an accounting policy election to measure defined benefit plan assets and obligations as of the end of the month closest to their fiscal year ends. 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, 2016. Early adoption is allowed. The adoption of this ASU will not have a material impact on our consolidated financial statements.

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In April 2015, the FASB issued ASU No. 2015-03, Interest-Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs, which requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from that debt liability, consistent with the presentation of a debt discount. 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, 2016. Early adoption is allowed. The adoption of this ASU is not expected to have a material impact on our consolidated financial statements.

In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 820): Amendments to the Consolidation Analysis, which changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. 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, 2016. The adoption of this ASU is not expected to have a material impact on our consolidated financial statements.

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. The adoption of this ASU 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, 2017. Management is currently evaluating the potential impact of this guidance 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.

Cautionary Statements for Purposes of the Safe Harbor Provisions of the Securities Litigation Reform Act

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, 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, 2014, 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.

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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 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, use by municipalities of eminent domain on property securing troubled residential mortgage loans, or imposition of underwriting or other limitations that impact the ability to offer certain variable-rate 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's fee revenue; changes to bankruptcy laws which would result in the loss of all or part of TCF's security interest due to collateral value declines; deficiencies in TCF's compliance under the Bank Secrecy Act in past or future periods, which may result in regulatory enforcement action including monetary penalties; increased health care costs resulting from Federal 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.

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 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.

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Branching Risk; Growth Risks.  Adverse developments affecting TCF's supermarket banking relationships or any of the supermarket chains in which TCF maintains supermarket branches; costs related to closing underperforming branches; slower than anticipated growth in existing or acquired businesses; inability to successfully execute on TCF's growth strategy through acquisitions or cross-selling opportunities; failure to expand or diversify TCF's balance sheet through new or expanded programs or opportunities; failure to successfully attract and retain new customers, including the failure to attract and retain manufacturers and dealers to expand the inventory finance business; 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, including the failure to develop and maintain technology necessary to satisfy customer demands. Ability to attract and retain employees given competitive conditions and the impact of consolidating facilities.

Litigation Risks.  Results of litigation or government enforcement actions, including class action litigation or enforcement actions concerning TCF's lending or deposit activities, including account servicing processes or fees or charges, or employment practices; and possible increases in indemnification obligations for certain litigation against Visa U.S.A. and potential reductions in card revenues resulting from such litigation or other litigation against Visa.

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, and operational risk, the Company considers interest rate risk to be one of its more significant market risks. 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-term and long-term interest rates, as well as variable interest rate indices (e.g., the prime rate or LIBOR).

TCF's management Asset & Liability Committee ("ALCO") manages TCF's interest rate risk based on interest rate expectations and other factors. The principal objective of TCF's management asset and liability activities 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.

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 re-pricings 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, 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 re-pricing.

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)	June 30, 2015				December 31, 2014
Immediate Change in Interest Rates:
+200 basis points	$	87.0	10.5	%	$	73.6	8.9	%
+100 basis points	46.7		5.6		39.4		4.7

As of June 30, 2015, 53.2% of TCF's loan and lease balances will reprice or are expected to pay down in the next 12 months and 63.6% of TCF's deposit balances are low cost or no cost deposits. The mix of assets repricing compared with low cost or no cost deposits should enable TCF to increase net interest income when interest rates rise.

Management also uses economic value of equity ("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. Interest rate gap is the difference between interest-earning assets and interest-bearing liabilities re-pricing within a given period and represents the net asset or liability sensitivity at a point in time.

57

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 June 30, 2015.

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 are recorded, processed, summarized and reported within the time periods specified in the SEC'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 June 30, 2015, that materially affected, or are reasonably likely to materially affect, TCF's internal control over financial reporting.

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 enforcement actions brought by federal regulators, including the Securities and Exchange Commission, the Federal Reserve, the OCC and the Consumer Financial Protection Bureau. 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. 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. TCF is also subject to regulatory examinations, and TCF's regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance.

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, 2014. TCF's business, financial condition or results of operations could be materially adversely affected by any of these risks.

58

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

The following table summarizes share repurchase activity for the quarter ended June 30, 2015.

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
April 1 to April 30, 2015
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	34,711	$	15.63	N.A.	N.A.
May 1 to May 31, 2015
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	3,668	$	15.62	N.A.	N.A.
June 1 to June 30, 2015
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	13,561	$	17.06	N.A.	N.A.
Total
Share repurchase program(1)	—	$	—	—	5,384,130
Employee transactions(2)	51,940	$	16.00	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 on or prior to April 22, 2015 under the TCF Financial Incentive Stock Program to offset tax withholding obligations that occur upon vesting and release of restricted stock. The TCF Financial Incentive Stock Program provides 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.

59

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/ William A. Cooper

William A. Cooper, Chairman and

Chief Executive Officer

(Principal Executive Officer)

/s/ Michael S. Jones

Michael S. Jones, 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: August 5, 2015

60

TCF FINANCIAL CORPORATION

INDEX TO EXHIBITS

FOR FORM 10-Q

Exhibit Number	Description
3.1	Amended and Restated Certificate of Incorporation of TCF Financial Corporation [incorporated by reference to Exhibit 3.1 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
3.2	Amended and Restated Bylaws of TCF Financial Corporation [incorporated by reference to Exhibit 3.2 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.1	TCF Financial 2015 Omnibus Incentive Plan [incorporated by reference to Exhibit 10.1 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.2	Form of Restricted Stock Award Agreement under the TCF Financial 2015 Omnibus Incentive Plan [incorporated by reference to Exhibit 10.2 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.3	Form of Performance-Based Restricted Stock Award Agreement under the TCF Financial 2015 Omnibus Incentive Plan [incorporated by reference to Exhibit 10.3 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.4	Form of Restricted Stock Unit Agreement under the TCF Financial 2015 Omnibus Incentive Plan [incorporated by reference to Exhibit 10.4 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.5	Form of Performance-Based Restricted Stock Unit Agreement under the TCF Financial 2015 Omnibus Incentive Plan [incorporated by reference to Exhibit 10.5 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
10.6	2015 Performance-Based Restricted Stock Unit Agreement under the TCF Financial 2015 Omnibus Incentive Plan entered into by certain executives [incorporated by reference to Exhibit 10.6 to TCF Financial Corporation's Current Report on Form 8-K filed April 28, 2015 (No. 15798862)]
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 June 30, 2015, 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

61

EX-31.1

Exhibit 31.1

CERTIFICATION

I, William A. Cooper, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of TCF Financial Corporation for the quarter ended June 30, 2015;

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

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

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

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

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

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

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

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

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

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

Date: August 5, 2015

/s/ William A. Cooper

William A. Cooper

Chairman and Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Michael S. Jones, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of TCF Financial Corporation for the quarter ended June 30, 2015;

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

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

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

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

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

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

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

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

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

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

Date: August 5, 2015

/s/ Michael S. Jones

Michael S. Jones

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, William A. Cooper, Chairman 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 June 30, 2015 (the “Report”);

2. The 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 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: August 5, 2015

/s/ William A. Cooper

William A. Cooper

Chairman 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, Michael S. Jones, 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 June 30, 2015 (the “Report”);

2. The 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 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: August 5, 2015

/s/ Michael S. Jones

Michael S. Jones

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.

XML

Cash and Due from Banks (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Cash and Cash Equivalents [Abstract]
Reserve in cash on hand or at the Federal Reserve as required by Federal Reserve regulations	$ 102.2	$ 98.7
Total restricted cash balance	78.7	67.8
Interest-bearing Deposits in Banks and Other Financial Institutions	$ 622.5	$ 842.1

XML

Long-term Borrowings (Details) - USD ($)	Feb. 27, 2015	Jun. 30, 2015	Dec. 31, 2014
Debt instrument
Long-term Debt		$ 1,210,736,000	$ 1,232,065,000
Interest Rate Contract | Designated as Hedges
Debt instrument
Derivative asset, notional amount		150,000,000
Federal Home Loan Bank advances
Debt instrument
Long-term Debt		772,000,000	947,000,000
Variable-rate FHLB advances prepayable monthly		325,000,000
Federal Home Loan Bank advances | Maturity year 2015
Debt instrument
Long-term Debt			$ 125,000,000
Federal Home Loan Bank advances | Maturity year 2015 | Minimum
Debt instrument
Fixed interest rate (as a percent)			0.37%
Federal Home Loan Bank advances | Maturity year 2015 | Maximum
Debt instrument
Fixed interest rate (as a percent)			0.38%
Federal Home Loan Bank advances | Maturity year 2016
Debt instrument
Long-term Debt		447,000,000	$ 547,000,000
Federal Home Loan Bank advances | Maturity year 2016 | TCF Bank
Debt instrument
Loans pledged as collateral		$ 4,900,000,000
Federal Home Loan Bank advances | Maturity year 2016 | Minimum
Debt instrument
Fixed interest rate (as a percent)		0.36%	0.25%
Federal Home Loan Bank advances | Maturity year 2016 | Maximum
Debt instrument
Fixed interest rate (as a percent)		1.17%	1.17%
Federal Home Loan Bank advances | Maturity Year 2017
Debt instrument
Long-term Debt		$ 325,000,000	$ 275,000,000
Fixed interest rate (as a percent)			0.25%
Federal Home Loan Bank advances | Maturity Year 2017 | Minimum
Debt instrument
Fixed interest rate (as a percent)		0.23%
Federal Home Loan Bank advances | Maturity Year 2017 | Maximum
Debt instrument
Fixed interest rate (as a percent)		0.24%
Subordinated bank notes
Debt instrument
Long-term Debt		$ 329,725,000	$ 184,124,000
Subordinated bank notes | Maturity year 2016
Debt instrument
Long-term Debt		$ 74,962,000	$ 74,930,000
Fixed interest rate (as a percent)		5.50%	5.50%
Subordinated bank notes | Maturity Year 2022
Debt instrument
Long-term Debt		$ 109,238,000	$ 109,194,000
Fixed interest rate (as a percent)		6.25%	6.25%
Subordinated bank notes | Maturity Year 2025
Debt instrument
Long-term Debt		$ 149,088,000	$ 0
Fixed interest rate (as a percent)	4.60%	4.60%	0.00%
Debt instrument, face amount	$ 150,000,000
Debt instrument, net of discount (as a percent)	99.375%
Debt issuance cost	$ 1,400,000
Subordinated bank notes | Maturity Year 2025, Interest Rate Swap
Debt instrument
Long-term Debt		$ (3,563,000)	$ 0
Discounted lease rentals
Debt instrument
Long-term Debt		103,621,000	92,887,000
Discounted lease rentals | Maturity year 2015
Debt instrument
Long-term Debt		$ 19,630,000	$ 32,904,000
Discounted lease rentals | Maturity year 2015 | Minimum
Debt instrument
Fixed interest rate (as a percent)		2.39%	2.39%
Discounted lease rentals | Maturity year 2015 | Maximum
Debt instrument
Fixed interest rate (as a percent)		7.95%	7.95%
Discounted lease rentals | Maturity year 2016
Debt instrument
Long-term Debt		$ 35,165,000	$ 27,539,000
Discounted lease rentals | Maturity year 2016 | Minimum
Debt instrument
Fixed interest rate (as a percent)		2.39%	2.39%
Discounted lease rentals | Maturity year 2016 | Maximum
Debt instrument
Fixed interest rate (as a percent)		7.95%	7.95%
Discounted lease rentals | Maturity Year 2017
Debt instrument
Long-term Debt		$ 28,470,000	$ 20,580,000
Discounted lease rentals | Maturity Year 2017 | Minimum
Debt instrument
Fixed interest rate (as a percent)		2.45%	2.45%
Discounted lease rentals | Maturity Year 2017 | Maximum
Debt instrument
Fixed interest rate (as a percent)		7.95%	7.95%
Discounted lease rentals | Maturity Year 2018
Debt instrument
Long-term Debt		$ 14,879,000	$ 9,032,000
Discounted lease rentals | Maturity Year 2018 | Minimum
Debt instrument
Fixed interest rate (as a percent)		2.53%	2.63%
Discounted lease rentals | Maturity Year 2018 | Maximum
Debt instrument
Fixed interest rate (as a percent)		7.95%	7.95%
Discounted lease rentals | Maturity Year 2019
Debt instrument
Long-term Debt		$ 5,070,000	$ 2,589,000
Discounted lease rentals | Maturity Year 2019 | Minimum
Debt instrument
Fixed interest rate (as a percent)		2.53%	2.63%
Discounted lease rentals | Maturity Year 2019 | Maximum
Debt instrument
Fixed interest rate (as a percent)		5.05%	5.05%
Discounted lease rentals | Maturity Year 2020
Debt instrument
Long-term Debt		$ 324,000	$ 160,000
Fixed interest rate (as a percent)			4.57%
Discounted lease rentals | Maturity Year 2020 | Minimum
Debt instrument
Fixed interest rate (as a percent)		3.04%
Discounted lease rentals | Maturity Year 2020 | Maximum
Debt instrument
Fixed interest rate (as a percent)		4.57%
Discounted lease rentals | Maturity Year 2021
Debt instrument
Long-term Debt		$ 83,000	$ 83,000
Fixed interest rate (as a percent)		4.57%	4.57%
Other long-term
Debt instrument
Long-term Debt		$ 5,390,000	$ 8,054,000
Other long-term | Maturity year 2015
Debt instrument
Long-term Debt			$ 2,670,000
Fixed interest rate (as a percent)			1.36%
Other long-term | Maturity year 2016
Debt instrument
Long-term Debt		$ 2,648,000	$ 2,642,000
Fixed interest rate (as a percent)		1.36%	1.36%
Other long-term | Maturity Year 2017
Debt instrument
Long-term Debt		$ 2,742,000	$ 2,742,000
Fixed interest rate (as a percent)		1.36%	1.36%

XML

Allowance for Loan and Lease Losses and Credit Quality Information (Details 4) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accruing and Non-accrual Loans and Leases
0-59 days delinquent and accruing	$ 16,671,531	$ 16,184,912
Non-accrual	205,710	216,734
Total loans and leases	16,877,241	16,401,646
Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
0-59 days delinquent and accruing	16,654,284	16,162,476
Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
60 days delinquent and accruing	14,968	20,426
Consumer real estate loans to customers in bankruptcy
Accruing and Non-accrual Loans and Leases
Non-accrual	19,006	12,284
Total loans and leases	52,732	60,262
Consumer real estate loans to customers in bankruptcy | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
0-59 days delinquent and accruing	33,726	47,731
Consumer real estate loans to customers in bankruptcy | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
60 days delinquent and accruing	$ 0	$ 247

XML

Accumulated Other Comprehensive Income (Loss) (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	$ (9,806)	$ (20,556)	$ (10,910)	$ (27,213)
Other comprehensive income (loss)	(6,736)	5,930	(5,813)	12,705
Amounts reclassified from accumulated other comprehensive income (loss)	172	(289)	353	(407)
Total other comprehensive income (loss)	(6,564)	5,641	(5,460)	12,298
Comprehensive income at the end of the period	(16,370)	(14,915)	(16,370)	(14,915)
Securities Available for Sale
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	(6,126)	(19,696)	(8,891)	(26,983)
Other comprehensive income (loss)	(6,933)	5,391	(4,357)	12,789
Amounts reclassified from accumulated other comprehensive income (loss)	178	(282)	367	(393)
Total other comprehensive income (loss)	(6,755)	5,109	(3,990)	12,396
Comprehensive income at the end of the period	(12,881)	(14,587)	(12,881)	(14,587)
Net Investment Hedges
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	4,769	1,344	2,536	591
Other comprehensive income (loss)	(420)	(860)	1,813	(107)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Total other comprehensive income (loss)	(420)	(860)	1,813	(107)
Comprehensive income at the end of the period	4,349	484	4,349	484
Foreign Currency Translation Adjustment
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	(8,646)	(2,432)	(4,760)	(1,056)
Other comprehensive income (loss)	617	1,399	(3,269)	23
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Total other comprehensive income (loss)	617	1,399	(3,269)	23
Comprehensive income at the end of the period	(8,029)	(1,033)	(8,029)	(1,033)
Recognized Postretirement Prior Service Cost and Transition Obligation
Changes in accumulated other comprehensive income by component
Comprehensive income at the beginning of the period	197	228	205	235
Other comprehensive income (loss)	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(6)	(7)	(14)	(14)
Total other comprehensive income (loss)	(6)	(7)	(14)	(14)
Comprehensive income at the end of the period	$ 191	$ 221	$ 191	$ 221

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Regulatory Capital Requirements (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Regulatory Capital Requirements [Abstract]
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	$ 395,900
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 [Abstract]
Common equity Tier 1 capital	$ 1,732,437
Tier 1 capital	2,013,347	$ 1,919,887
Total capital	$ 2,407,268	$ 2,209,999
Common equity Tier 1 capital ratios
Actual, Ratio (as a percent)	9.97%
Tier 1 risk-based capital ratios
Actual, Ratio (as a percent)	11.59%	11.76%
Total risk-based capital ratios
Actual, Ratio (as a percent)	13.86%	13.54%
Tier 1 Leverage Capital Ratios
Actual, Ratio (as a percent)	10.22%	10.07%
TCF Bank
Regulatory Capital [Abstract]
Common equity Tier 1 capital	$ 1,912,587
Tier 1 capital	1,932,098	$ 1,836,019
Total capital	$ 2,349,196	$ 2,126,131
Common equity Tier 1 capital ratios
Actual, Ratio (as a percent)	11.01%
Well-Capitalized Capital Requirement, Ratio (as a percent)	6.50%
Minimum Capital Requirement, Ratio (as a percent)	4.50%
Tier 1 risk-based capital ratios
Actual, Ratio (as a percent)	11.13%	11.25%
Well-Capitalized Capital Requirement, Ratio (as a percent)	8.00%
Minimum Capital Requirement, Ratio (as a percent)	6.00%
Total risk-based capital ratios
Actual, Ratio (as a percent)	13.53%	13.03%
Well-Capitalized Capital Requirement, Ratio (as a percent)	10.00%
Minimum Capital Requirement, Ratio (as a percent)	8.00%
Tier 1 Leverage Capital Ratios
Actual, Ratio (as a percent)	9.81%	9.63%
Well-Capitalized Capital Requirement, Ratio (as a percent)	5.00%
Minimum Capital Requirement, Ratio (as a percent)	4.00%

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Allowance for Loan and Lease Losses and Credit Quality Information (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Allowance for loan and lease losses:
Collectively evaluated for impairment	$ 125,875		$ 128,485
Individually evaluated for impairment	30,240		35,684
Total	156,115	$ 163,799	164,169	$ 236,081	$ 247,046	$ 252,230
Loans and leases outstanding:
Collectively evaluated for impairment	16,552,638		16,041,606
Individually evaluated for impairment	324,484		359,783
Total loans and leases	16,877,241		16,401,646
Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	119		257
Consumer Real Estate
Allowance for loan and lease losses:
Collectively evaluated for impairment	48,378		57,167
Individually evaluated for impairment	26,309		28,194
Total	74,687	80,292	85,361	161,349	169,367	176,030
Loans and leases outstanding:
Collectively evaluated for impairment	5,325,743		5,462,005
Individually evaluated for impairment	218,286		220,359
Total loans and leases	5,544,029		5,682,364
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	29,725		27,594
Individually evaluated for impairment	480		3,773
Total	30,205	32,121	31,367	31,361	36,062	37,467
Loans and leases outstanding:
Collectively evaluated for impairment	3,028,092		3,038,378
Individually evaluated for impairment	84,252		119,287
Total loans and leases	3,112,344		3,157,665
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	16,196		16,310
Individually evaluated for impairment	1,473		2,136
Total	17,669	17,921	18,446	19,184	18,623	18,733
Loans and leases outstanding:
Collectively evaluated for impairment	3,778,547		3,731,420
Individually evaluated for impairment	12,590		13,763
Total loans and leases	3,791,215		3,745,322
Leasing and Equipment Finance | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	78		139
Inventory Finance
Allowance for loan and lease losses:
Collectively evaluated for impairment	10,653		9,627
Individually evaluated for impairment	226		393
Total	10,879	12,409	10,020	9,539	10,309	8,592
Loans and leases outstanding:
Collectively evaluated for impairment	2,103,188		1,874,481
Individually evaluated for impairment	2,899		2,609
Total loans and leases	2,106,087		1,877,090
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	20,313		17,046
Individually evaluated for impairment	1,748		1,184
Total	22,061	20,426	18,230	13,865	12,062	10,623
Loans and leases outstanding:
Collectively evaluated for impairment	2,295,235		1,911,267
Individually evaluated for impairment	6,438		3,676
Total loans and leases	2,301,714		1,915,061
Auto Finance | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	41		118
Other
Allowance for loan and lease losses:
Collectively evaluated for impairment	610		741
Individually evaluated for impairment	4		4
Total	614	$ 630	745	$ 783	$ 623	$ 785
Loans and leases outstanding:
Collectively evaluated for impairment	21,833		24,055
Individually evaluated for impairment	19		89
Total loans and leases	21,852		24,144
Other | Receivables Acquired with Deteriorated Credit Quality
Loans and leases outstanding:
Loans acquired with deteriorated credit quality	$ 0		$ 0

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

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 following tables set forth 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 and six months ended June 30, 2015 and 2014.

	Pension Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	304		$	397		$	608		$	794
Return on plan assets	(160		)	(183		)	(320		)	(366		)
Net periodic benefit plan (income) cost	$	144		$	214		$	288		$	428

	Postretirement Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	38		$	50		$	76		$	99
Amortization of prior service cost	(11		)	(11		)	(23		)	(23		)
Net periodic benefit plan (income) cost	$	27		$	39		$	53		$	76

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Employee Benefit Plans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Pension Plan
Net periodic benefit cost included in compensation and employee benefits expense
Interest cost	$ 304,000	$ 397,000	$ 608,000	$ 794,000
Return on plan assets	(160,000)	(183,000)	(320,000)	(366,000)
Net periodic benefit plan cost	144,000	214,000	288,000	428,000
Contributions to the plan during the period	0	0	0	0
Postretirement Plan
Net periodic benefit cost included in compensation and employee benefits expense
Interest cost	38,000	50,000	76,000	99,000
Amortization of prior service cost	(11,000)	(11,000)	(23,000)	(23,000)
Net periodic benefit plan cost	27,000	39,000	53,000	76,000
Benefits paid during the period	$ 100,000	$ 100,000	$ 200,000	$ 200,000

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

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Schedule of securities

Securities consisted of the following.

	At June 30, 2015									At December 31, 2014
(Dollars 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	$	597,166		$	1,142	$	6,401	$	591,907	$	461,575		$	2,405	$	741	$	463,239
Other	45			—		—		45		55			—		—		55
Obligations of states and political subdivisions	37,796			40		118		37,718		—			—		—		—
Other securities	178			—		—		178		—			—		—		—
Total securities available for sale	$	635,185		$	1,182	$	6,519	$	629,848	$	461,630		$	2,405	$	741	$	463,294
Weighted-average yield	2.43		%							2.62		%
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	204,179		$	4,596	$	160	$	208,615	$	209,538		$	7,988	$	109	$	217,417
Other securities	4,732			—		—		4,732		4,916			—		—		4,916
Total securities held to maturity	$	208,911		$	4,596	$	160	$	213,347	$	214,454		$	7,988	$	109	$	222,333
Weighted-average yield	2.64		%							2.64		%

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

The following tables show the gross unrealized losses and fair value of securities available for sale and securities held to maturity at June 30, 2015 and December 31, 2014, aggregated by investment category and the length of time the securities were in a continuous loss position.

	At June 30, 2015
	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	$	455,069	$	6,401	$	—	$	—	$	455,069	$	6,401
Obligations of states and political subdivisions	24,132		118		—		—		24,132		118
Total securities available for sale	$	479,201	$	6,519	$	—	$	—	$	479,201	$	6,519
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	5,521	$	83	$	987	$	77	$	6,508	$	160
Total securities held to maturity	$	5,521	$	83	$	987	$	77	$	6,508	$	160

	At December 31, 2014
	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	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Total securities available for sale	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	2,602	$	109	$	—	$	—	$	2,602	$	109
Total securities held to maturity	$	2,602	$	109	$	—	$	—	$	2,602	$	109

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

The amortized cost, fair value and yield of securities available for sale and securities held to maturity by contractual maturity at June 30, 2015 and December 31, 2014 are shown below. 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. Yields on securities have not been adjusted for tax exempt status.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Amortized Cost		Fair Value		Yield		Amortized Cost		Fair Value		Yield
Securities available for sale:
Due in one year or less	$	7	$	7	9.65	%	$	4	$	4	11.63	%
Due in 1-5 years	51		51		3.30		76		76		4.53
Due in 5-10 years	116,458		116,849		2.03		86,806		87,594		1.93
Due after 10 years	518,491		512,763		2.52		374,744		375,620		2.78
No stated maturity	178		178		—		—		—		—
Total securities available for sale	$	635,185	$	629,848	2.43		$	461,630	$	463,294	2.62
Securities held to maturity:
Due in one year or less	$	—	$	—	—	%	$	500	$	500	2.00	%
Due in 1-5 years	1,500		1,500		2.80		2,500		2,500		3.08
Due in 5-10 years	1,900		1,900		3.00		400		400		3.00
Due after 10 years	205,511		209,947		2.64		211,054		218,933		2.64
Total securities held to maturity	$	208,911	$	213,347	2.64		$	214,454	$	222,333	2.64

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Allowance for Loan and Lease Losses and Credit Quality Information (Details 6) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Allowance for Loan and Lease Losses and Credit Quality Information
Minimum period for loans to be delinquent to be considered in default			90 days	90 days
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	$ 1,453	$ 2,319	$ 2,166	$ 7,644
Total TDR loans modified in the applicable period	$ 71,641	$ 136,171	$ 78,986	$ 248,273
Defaulted modified TDR loans as a percent of total TDR loans modified in the applicable period	2.00%	1.70%	2.70%	3.10%
Real Estate Loan | Consumer Borrower
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	$ 1,251	$ 1,223	$ 1,783	$ 3,698
Real Estate Loan | Consumer Borrower | First Mortgage Lien
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	1,054	561	1,297	2,056
Real Estate Loan | Consumer Borrower | Junior Lien
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	197	662	486	1,642
Real Estate Loan | Commercial Borrower
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	0	1,023	0	3,814
Inventory Finance
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	0	7	0	7
Auto Finance
Loan Modifications for Borrowers with Financial Difficulties
Loan Balance	$ 202	$ 66	$ 383	$ 125

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Securities Available for Sale and Securities Held to Maturity (Details 3) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Amortized Cost
Due in one year or less	$ 7	$ 4
Due in 1-5 years	51	76
Due in 5-10 years	116,458	86,806
Due after 10 years	518,491	374,744
No stated maturity	178	0
Total securities available for sale	635,185	461,630
Fair Value
Due in one year or less	7	4
Due in 1-5 years	51	76
Due in 5-10 years	116,849	87,594
Due after 10 years	512,763	375,620
No stated maturity	178	0
Fair Value	$ 629,848	$ 463,294
Yield
Due in one year or less (as a percent)	9.65%	11.63%
Due in 1-5 years (as a percent)	3.30%	4.53%
Due in 5-10 years (as a percent)	2.03%	1.93%
Due after 10 years (as a percent)	2.52%	2.78%
No stated maturity (as a percent)	0.00%	0.00%
Weighted-average yield (as a percent)	2.43%	2.62%
Amortized cost
Due in one year or less	$ 0	$ 500
Due in 1-5 years	1,500	2,500
Due in 5-10 years	1,900	400
Due after 10 years	205,511	211,054
Amortized Cost	208,911	214,454
Fair Value
Due in one year or less	0	500
Due in 1-5 years	1,500	2,500
Due in 5-10 years	1,900	400
Due after 10	209,947	218,933
Fair Value	$ 213,347	$ 222,333
Yield
Due in one year or less (as a percent)	0.00%	2.00%
Due in 1-5 years (as a percent)	2.80%	3.08%
Due in 5-10 years (as a percent)	3.00%	3.00%
Due after 10 (as a percent)	2.64%	2.64%
Weighted-average yield (as a percent)	2.64%	2.64%

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Business Segments (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Reportable segments, including a reconciliation of consolidated totals

The following tables set forth certain information for each of TCF's reportable segments, including a reconciliation of TCF's consolidated totals.

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Three Months Ended June 30, 2015:
Net interest income	$	155,920	$	50,926		$	49		$	(866	)	$	206,029
Provision for credit losses	11,948		580			—			—			12,528
Non-interest income	60,526		52,895			28,404			(28,376		)	113,449
Non-interest expense	114,530		108,583			28,372			(28,376		)	223,109
Income tax expense (benefit)	32,266		(1,982		)	(516		)	(866		)	28,902
Income (loss) after income tax expense (benefit)	57,702		(3,360		)	597			—			54,939
Income attributable to non-controlling interest	2,684		—			—			—			2,684
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	55,018	$	(3,360	)	$	(4,250	)	$	—		$	47,408
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	217,022	$	6,059		$	—		$	—		$	223,081
Non-interest income	60,526		52,882			41			—			113,449
Total	$	277,548	$	58,941		$	41		$	—		$	336,530
At or For the Three Months Ended June 30, 2014:
Net interest income	$	149,377	$	57,422		$	56		$	(754	)	$	206,101
Provision for credit losses	9,120		789			—			—			9,909
Non-interest income	47,191		55,969			34,021			(33,165		)	104,016
Non-interest expense	105,109		108,304			32,947			(33,165		)	213,195
Income tax expense (benefit)	29,837		1,628			674			(754		)	31,385
Income (loss) after income tax expense (benefit)	52,502		2,670			456			—			55,628
Income attributable to non-controlling interest	2,503		—			—			—			2,503
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	49,999	$	2,670		$	(4,391	)	$	—		$	48,278
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	214,549	$	5,542		$	—		$	—		$	220,091
Non-interest income	47,191		55,954			871			—			104,016
Total	$	261,740	$	61,496		$	871		$	—		$	324,107

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Six Months Ended June 30, 2015:
Net interest income	$	309,348	$	101,717		$	71		$	(1,687	)	$	409,449
Provision for credit losses	24,579		740			—			—			25,319
Non-interest income	109,089		103,103			60,361			(58,466		)	214,087
Non-interest expense	227,030		220,374			60,938			(58,466		)	449,876
Income tax expense (benefit)	59,745		(5,942		)	(386		)	(1,687		)	51,730
Income (loss) after income tax expense (benefit)	107,083		(10,352		)	(120		)	—			96,611
Income attributable to non-controlling interest	4,555		—			—			—			4,555
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	102,528	$	(10,352	)	$	(9,814	)	$	—		$	82,362
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	431,101	$	11,774		$	—		$	—		$	442,875
Non-interest income	109,089		103,077			1,921			—			214,087
Total	$	540,190	$	114,851		$	1,921		$	—		$	656,962
At or For the Six Months Ended June 30, 2014:
Net interest income	$	294,197	$	114,640		$	54		$	(1,516	)	$	407,375
Provision for credit losses	23,357		1,044			—			—			24,401
Non-interest income	98,489		107,629			67,781			(66,476		)	207,423
Non-interest expense	210,841		216,808			69,158			(66,476		)	430,331
Income tax expense (benefit)	57,750		1,702			28			(1,516		)	57,964
Income (loss) after income tax expense (benefit)	100,738		2,715			(1,351		)	—			102,102
Income attributable to non-controlling interest	4,220		—			—			—			4,220
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	96,518	$	2,715		$	(11,045	)	$	—		$	88,188
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	423,781	$	10,937		$	—		$	—		$	434,718
Non-interest income	98,489		107,599			1,335			—			207,423
Total	$	522,270	$	118,536		$	1,335		$	—		$	642,141

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Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Weighted Average Rate
Interest bearing checking weighted average rate (as a percent)	0.02%	0.04%
Total checking weighted average rate (as a percent)	0.01%	0.02%
Savings weighted average rate (as a percent)	0.08%	0.15%
Money market weighted average rate (as a percent)	0.64%	0.54%
Total checking, savings and money market weighted average rate (as a percent)	0.14%	0.13%
Certificates of deposit weighted average rate (as a percent)	0.85%	0.78%
Total deposits weighted average rate (as a percent)	0.28%	0.26%
Deposits
Non-interest bearing checking	$ 3,007,406	$ 2,832,526
Interest bearing checking	2,368,412	2,362,717
Total checking	5,375,818	5,195,243
Savings	4,968,398	5,212,320
Money market	2,286,773	1,993,130
Total checking, savings and money market	12,630,989	12,400,693
Certificates of deposit	3,196,230	3,049,189
Total deposits	$ 15,827,219	$ 15,449,882
% of Total
Non-interest bearing checking as a percent of total deposits	19.00%	18.30%
Interest bearing checking as a percent of total deposits	15.00%	15.30%
Total checking as a percent of total deposits	34.00%	33.60%
Savings as a percent of total deposits	31.40%	33.70%
Money market as a percent of total deposits	14.40%	13.00%
Total checking, savings and money market as a percent of total deposits	79.80%	80.30%
Certificates of deposit as a percent of total deposits	20.20%	19.70%
Total deposits as a percent of total deposits	100.00%	100.00%
Certificates of deposit remaining maturities, Denominations $100 Thousand or Greater
0 - 3 months	$ 138,773
4 - 6 months	223,143
7 - 12 months	610,228
13 - 24 months	396,800
Over 24 months	65,596
Total	1,434,540
Certificates of deposit remaining maturities, Denominations Less Than $100 Thousand
0 - 3 months	240,910
4 - 6 months	303,873
7 - 12 months	690,992
13 - 24 months	479,018
Over 24 months	46,897
Total	1,761,690
Certificates of deposit with remaining maturities, Total
0 - 3 months	379,683
4 - 6 months	527,016
7 - 12 months	1,301,220
13 - 24 months	875,818
Over 24 months	112,493
Total	$ 3,196,230	$ 3,049,189

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Earnings Per Common Share (Details 2) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
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, Amount	4.6	4.1	4.6	4.1

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Fair Values Disclosures (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Measurement of fair value on a non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges	$ 4.0	$ 2.9	$ 7.5	$ 6.2

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Allowance for Loan and Lease Losses and Credit Quality Information (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	$ 16,671,531		$ 16,671,531		$ 16,184,912
Non-accrual	205,710		205,710		216,734
Total loans and leases	16,877,241		16,877,241		16,401,646
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	5,341	$ 6,359	10,564	$ 13,549
Interest income recognized on loans and leases in non-accrual status	986	2,395	2,298	3,904
Unrecognized interest income	4,355	$ 3,964	8,266	$ 9,645
Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	16,654,284		16,654,284		16,162,476
Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	14,968		14,968		20,426
Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2,279		2,279		2,010
Financing receivables
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	16,670,860		16,670,860		16,182,807
Non-accrual	205,710		205,710		216,734
Total loans and leases	16,876,570		16,876,570		16,399,541
Financing receivables | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	16,653,616		16,653,616		16,160,459
Financing receivables | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	14,968		14,968		20,343
Financing receivables | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2,276		2,276		2,005
Consumer Real Estate
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	5,376,175		5,376,175		5,509,093
Non-accrual	167,854		167,854		173,271
Total loans and leases	5,544,029		5,544,029		5,682,364
Consumer Real Estate | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	5,363,940		5,363,940		5,493,632
Consumer Real Estate | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	11,028		11,028		15,267
Consumer Real Estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,207		1,207		194
First Mortgage Lien
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,734,816		2,734,816		3,001,362
Non-accrual	131,095		131,095		137,790
Total loans and leases	2,865,911		2,865,911		3,139,152
First Mortgage Lien | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,724,576		2,724,576		2,987,992
First Mortgage Lien | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	9,033		9,033		13,176
First Mortgage Lien | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,207		1,207		194
Junior Lien
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,641,359		2,641,359		2,507,731
Non-accrual	36,759		36,759		35,481
Total loans and leases	2,678,118		2,678,118		2,543,212
Junior Lien | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,639,364		2,639,364		2,505,640
Junior Lien | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,995		1,995		2,091
Junior Lien | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		0
Consumer real estate loans to customers in bankruptcy
Accruing and Non-accrual Loans and Leases
Non-accrual	19,006		19,006		12,284
Total loans and leases	52,732		52,732		60,262
Consumer real estate loans to customers in bankruptcy | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	33,726		33,726		47,731
Consumer real estate loans to customers in bankruptcy | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		247
Total commercial
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,095,232		3,095,232		3,132,630
Non-accrual	17,112		17,112		25,035
Total loans and leases	3,112,344		3,112,344		3,157,665
Total commercial | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,095,231		3,095,231		3,132,630
Total commercial | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1		1		0
Total commercial | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		0
Commercial real estate
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,519,036		2,519,036		2,599,701
Non-accrual	16,758		16,758		24,554
Total loans and leases	2,535,794		2,535,794		2,624,255
Commercial real estate | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,519,036		2,519,036		2,599,701
Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		0
Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		0
Commercial business
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	576,196		576,196		532,929
Non-accrual	354		354		481
Total loans and leases	576,550		576,550		533,410
Commercial business | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	576,195		576,195		532,929
Commercial business | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1		1		0
Commercial business | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		0
Leasing and Equipment Finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,779,146		3,779,146		3,730,664
Non-accrual	11,440		11,440		12,670
Total loans and leases	3,790,586		3,790,586		3,743,334
Leasing and Equipment Finance | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	3,776,725		3,776,725		3,728,115
Leasing and Equipment Finance | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	2,147		2,147		2,242
Leasing and Equipment Finance | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	274		274		307
Inventory Finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,103,191		2,103,191		1,875,008
Non-accrual	2,896		2,896		2,082
Total loans and leases	2,106,087		2,106,087		1,877,090
Inventory Finance | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,103,096		2,103,096		1,874,933
Inventory Finance | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	45		45		49
Inventory Finance | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	50		50		26
Auto Finance
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,295,267		2,295,267		1,911,268
Non-accrual	6,405		6,405		3,676
Total loans and leases	2,301,672		2,301,672		1,914,944
Auto Finance | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	2,292,800		2,292,800		1,907,005
Auto Finance | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	1,735		1,735		2,785
Auto Finance | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	732		732		1,478
Other
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	21,849		21,849		24,144
Non-accrual	3		3		0
Total loans and leases	21,852		21,852		24,144
Other | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	21,824		21,824		24,144
Other | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	12		12		0
Other | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	13		13		0
Portfolios acquired with deteriorated credit quality
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	671		671		2,105
Non-accrual	0		0		0
Total loans and leases	671		671		2,105
Portfolios acquired with deteriorated credit quality | Financing Receivables, Current to 59 Days Past Due
Accruing and Non-accrual Loans and Leases
Current and Delinquent and Accruing	668		668		2,017
Portfolios acquired with deteriorated credit quality | Financing Receivables, 60 to 89 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	0		0		83
Portfolios acquired with deteriorated credit quality | Financing Receivables, Equal to Greater than 90 Days Past Due
Accruing and Non-accrual Loans and Leases
Delinquent and Accruing	$ 3		$ 3		$ 5

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Cash and Due from Banks

6 Months Ended

Jun. 30, 2015

Cash and Cash Equivalents [Abstract]

Cash and Due from Banks

Cash and Due from Banks

At June 30, 2015 and December 31, 2014, TCF Bank was required by Federal Reserve regulations to maintain reserves of $102.2 million and $98.7 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 loans and consumer real estate loans. Cash payments received on loans serviced for third parties are generally held in separate accounts until remitted. TCF also retains cash balances for collateral on certain borrowings, forward foreign exchange contracts and interest rate contracts. TCF maintained restricted cash totaling $78.7 million and $67.8 million at June 30, 2015 and December 31, 2014, respectively.

TCF had cash held in interest-bearing accounts of $622.5 million and $842.1 million at June 30, 2015 and December 31, 2014, respectively.

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Fair Values Disclosures (Details 1) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	$ 208,911	$ 214,454
Interest-only strips	35,200	48,600
U.S. Government sponsored enterprises and federal agencies
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	204,179	209,538
Other securities
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	4,732	4,916
Measurement of fair value on a recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	661,602	490,618
Liabilities	26,011	21,420
Measurement of fair value on a recurring basis | Loans and Leases Held for Sale
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	4,962	3,308
Measurement of fair value on a recurring basis | Foreign Exchange Forward
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	5,128	3,211
Liabilities		177
Measurement of fair value on a recurring basis | Interest rate contracts
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	1,722	1,798
Liabilities	6,054	1,877
Measurement of fair value on a recurring basis | Interest Rate Lock Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	455	285
Measurement of fair value on a recurring basis | Forward Loan Sales Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	52	19
Liabilities	57	42
Measurement of fair value on a recurring basis | Assets Held-in-trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	19,435	18,703
Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	19,435	18,703
Measurement of fair value on a recurring basis | Other contracts
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	465	621
Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	591,907	463,239
Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	45	55
Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	37,718
Measurement of fair value on a recurring basis | Other securities
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	178
Measurement of fair value on a non-recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	201,547	264,812
Held-to-maturity Securities	1,332	1,516
Loans	149,037	164,897
Interest-only strips	4,505	41,204
Repossessed and returned assets	3,911	2,988
Measurement of fair value on a non-recurring basis | Consumer real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	39,140	40,502
Measurement of fair value on a non-recurring basis | Commercial real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	3,622	13,705
Level 1
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	0	0
Loans	0	0
Interest-only strips	0	0
Level 1 | Measurement of fair value on a recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	19,613	18,703
Liabilities	19,435	18,703
Level 1 | Measurement of fair value on a recurring basis | Loans and Leases Held for Sale
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Foreign Exchange Forward
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities		0
Level 1 | Measurement of fair value on a recurring basis | Interest rate contracts
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities	0	0
Level 1 | Measurement of fair value on a recurring basis | Interest Rate Lock Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Forward Loan Sales Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities	0	0
Level 1 | Measurement of fair value on a recurring basis | Assets Held-in-trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	19,435	18,703
Level 1 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	19,435	18,703
Level 1 | Measurement of fair value on a recurring basis | Other contracts
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	0	0
Level 1 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 1 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0
Level 1 | Measurement of fair value on a recurring basis | Other securities
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	178
Level 1 | Measurement of fair value on a non-recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Held-to-maturity Securities	0	0
Loans	0	0
Interest-only strips	0	0
Repossessed and returned assets	0	0
Level 1 | Measurement of fair value on a non-recurring basis | Consumer real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	0	0
Level 1 | Measurement of fair value on a non-recurring basis | Commercial real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	0	0
Level 2
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	208,615	217,418
Loans	0	0
Interest-only strips	0	0
Level 2 | Measurement of fair value on a recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	636,475	468,248
Liabilities	6,054	2,054
Level 2 | Measurement of fair value on a recurring basis | Loans and Leases Held for Sale
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Foreign Exchange Forward
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	5,128	3,211
Liabilities		177
Level 2 | Measurement of fair value on a recurring basis | Interest rate contracts
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	1,722	1,798
Liabilities	6,054	1,877
Level 2 | Measurement of fair value on a recurring basis | Interest Rate Lock Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Forward Loan Sales Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities	0	0
Level 2 | Measurement of fair value on a recurring basis | Assets Held-in-trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	0	0
Level 2 | Measurement of fair value on a recurring basis | Other contracts
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	0	0
Level 2 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	591,907	463,239
Level 2 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 2 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	37,718
Level 2 | Measurement of fair value on a recurring basis | Other securities
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0
Level 2 | Measurement of fair value on a non-recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	2,609	6,402
Held-to-maturity Securities	0	0
Loans	0	0
Interest-only strips	0	0
Repossessed and returned assets	2,609	1,563
Level 2 | Measurement of fair value on a non-recurring basis | Consumer real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	0	0
Level 2 | Measurement of fair value on a non-recurring basis | Commercial real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	0	4,839
Level 3
Assets and liabilities measured at fair value on a non-recurring basis
Held-to-maturity Securities	4,732	4,916
Loans	19,585	18,724
Interest-only strips	59,135	73,058
Level 3 | Measurement of fair value on a recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	5,514	3,667
Liabilities	522	663
Level 3 | Measurement of fair value on a recurring basis | Loans and Leases Held for Sale
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	4,962	3,308
Level 3 | Measurement of fair value on a recurring basis | Foreign Exchange Forward
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities		0
Level 3 | Measurement of fair value on a recurring basis | Interest rate contracts
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Liabilities	0	0
Level 3 | Measurement of fair value on a recurring basis | Interest Rate Lock Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	455	285
Level 3 | Measurement of fair value on a recurring basis | Forward Loan Sales Commitments
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	52	19
Liabilities	57	42
Level 3 | Measurement of fair value on a recurring basis | Assets Held-in-trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Liabilities held in trust for deferred compensation plans
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	0	0
Level 3 | Measurement of fair value on a recurring basis | Other contracts
Assets and liabilities measured at fair value on a non-recurring basis
Liabilities	465	621
Level 3 | Measurement of fair value on a recurring basis | U.S. Government sponsored enterprises and federal agencies
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0	0
Level 3 | Measurement of fair value on a recurring basis | Mortgage-backed securities, Other
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	45	55
Level 3 | Measurement of fair value on a recurring basis | Obligations of states and political subdivisions
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0
Level 3 | Measurement of fair value on a recurring basis | Other securities
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	0
Level 3 | Measurement of fair value on a non-recurring basis
Assets and liabilities measured at fair value on a non-recurring basis
Fair value carrying amount	198,938	258,410
Held-to-maturity Securities	1,332	1,516
Loans	149,037	164,897
Interest-only strips	4,505	41,204
Repossessed and returned assets	1,302	1,425
Level 3 | Measurement of fair value on a non-recurring basis | Consumer real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	39,140	40,502
Level 3 | Measurement of fair value on a non-recurring basis | Commercial real estate
Assets and liabilities measured at fair value on a non-recurring basis
Real estate owned	$ 3,622	$ 8,866

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Loans and Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Consumer real estate:
First mortgage lien	$ 2,865,911	$ 3,139,152
First mortgage lien, Percent Change	(8.70%)
Junior lien	$ 2,678,118	2,543,212
Junior lien, Percent Change	5.30%
Total consumer real estate	$ 5,544,029	5,682,364
Total consumer real estate, Percent Change	(2.40%)
Commercial real estate:
Permanent	$ 2,230,554	2,382,144
Permanent, Percent Change	(6.40%)
Construction and development	$ 305,240	242,111
Construction and development, Percent Change	26.10%
Total commercial real estate	$ 2,535,794	2,624,255
Total commercial real estate, Percent Change	(3.40%)
Commercial business	$ 576,550	533,410
Commercial business, Percent Change	8.10%
Total commercial	$ 3,112,344	3,157,665
Total commercial, Percent Change	(1.40%)
Leasing and equipment finance	$ 3,791,215	3,745,322
Leasing and equipment finance, Percent Change	1.20%
Inventory finance	$ 2,106,087	1,877,090
Inventory finance, Percent Change	12.20%
Auto finance	$ 2,301,714	1,915,061
Auto finance, Percentage Change	20.20%
Other	$ 21,852	24,144
Other finance, Percent Change	(9.50%)
Total loans and leases	$ 16,877,241	16,401,646
Total loans and leases, Percent Change	2.90%
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ 50,700	$ 43,400

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Short-term Borrowings (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Schedule of selected information for short-term borrowings (borrowings with an original maturity of less than one year)

Selected information for short-term borrowings (borrowings with an original maturity of less than one year) consisted of the following.

	At June 30, 2015				At December 31, 2014
(Dollars in thousands)	Amount		Rate		Amount		Rate
Period end balance:
Securities sold under repurchase agreements	$	3,303	0.10	%	$	4,425	0.10	%
Line of Credit - TCF Commercial Finance Canada, Inc.	4,002		1.90		—		—
Total	$	7,305	1.09		$	4,425	0.10
Average daily balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	—	%	$	74,385	0.26	%
Federal funds purchased	254		0.43		375		0.40
Securities sold under repurchase agreements	5,517		0.21		5,956		0.18
Line of Credit - TCF Commercial Finance Canada, Inc.	2,353		2.06		2,957		1.88
Total	$	8,124	0.75		$	83,673	0.31
Maximum month-end balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	N.A.		$	250,000	N.A.
Securities sold under repurchase agreements	3,495		N.A.		4,425		N.A.
Line of Credit - TCF Commercial Finance Canada, Inc.	5,519		N.A.		11,751		N.A.
N.A. Not Applicable.

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Deposits (Tables)

6 Months Ended

Jun. 30, 2015

Deposits [Abstract]

Summary of deposits

Deposits consisted of the following.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Weighted-Average Rate		Amount		% of Total		Weighted-Average Rate		Amount		% of Total
Checking:
Non-interest bearing	—	%	$	3,007,406	19.0	%	—	%	$	2,832,526	18.3	%
Interest bearing	0.02		2,368,412		15.0		0.04		2,362,717		15.3
Total checking	0.01		5,375,818		34.0		0.02		5,195,243		33.6
Savings	0.08		4,968,398		31.4		0.15		5,212,320		33.7
Money market	0.64		2,286,773		14.4		0.54		1,993,130		13.0
Total checking, savings and money market	0.14		12,630,989		79.8		0.13		12,400,693		80.3
Certificates of deposit	0.85		3,196,230		20.2		0.78		3,049,189		19.7
Total deposits	0.28		$	15,827,219	100.0	%	0.26		$	15,449,882	100.0	%

Schedule of certificates of deposit remaining maturities

Certificates of deposit had the following remaining maturities at June 30, 2015.

(In thousands)	Denominations  $100 Thousand or Greater		Denominations Less Than  $100 Thousand		Total
Maturity:
0-3 months	$	138,773	$	240,910	$	379,683
4-6 months	223,143		303,873		527,016
7-12 months	610,228		690,992		1,301,220
13-24 months	396,800		479,018		875,818
Over 24 months	65,596		46,897		112,493
Total	$	1,434,540	$	1,761,690	$	3,196,230

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Stock Compensation (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Stock options outstanding and exercisable
Unrecognized stock compensation expense for restricted stock awards and options (in dollars)	$ 26,900,000
Weighted-average amortization period	2 years 7 months 6 days
Restricted Stock
Restricted stock, shares activity
Outstanding at the beginning of the period (in shares)	2,858,494
Granted (in shares)	680,933
Forfeited/cancelled (in shares)	(129,747)
Vested (in shares)	(188,944)
Outstanding at the end of the period (in shares)	3,220,736	2,858,494
Restricted Stock, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding at the beginning (in dollars per share)	$ 12.73
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	14.44
Weighted-Average Grant Date Fair Value, Forfeited/cancelled (in dollars per share)	13.18
Weighted-Average Grant Date Fair Value, Vested (in dollars per share)	13.10
Weighted-Average Grant Date Fair Value, Outstanding at the end (in dollars per share)	13.05	$ 12.73
Restricted Stock | Minimum
Restricted Stock, Grant Date Fair Value Range
SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedGrantDateFairValue	6.16	6.16
Grant Date Fair Value, Granted (in dollars per share)	14.17
Grant Date Fair Value, Forfeited/canceled (in dollars per share)	6.8
Grant Date Fair Value, Vested (in dollars per share)	9.65
SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedGrantDateFairValue	6.16	6.16
Restricted Stock | Maximum
Restricted Stock, Grant Date Fair Value Range
SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedGrantDateFairValue	16.28	16.02
Grant Date Fair Value, Granted (in dollars per share)	16.28
Grant Date Fair Value, Forfeited/canceled (in dollars per share)	15.96
Grant Date Fair Value, Vested (in dollars per share)	15.96
SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedGrantDateFairValue	$ 16.28	$ 16.02
Performance-based restricted stock
Stock options outstanding and exercisable
Outstanding number of shares to vest only if certain return on asset goals, and service conditions are achieved	1,100,000
Stock Options
Stock options, shares activity
Outstanding at the beginning of the period (in shares)	1,579,000
Granted (in shares)	0
Exercised (in shares)	(200,000)
Forfeited/canceled (in shares)	0
Vested (in shares)	0
Outstanding at the end of the period (in shares)	1,379,000	1,579,000
Stock Options, Exercise Price Range
Weighted- Average Remaining Contractual Life in Years	2 years 8 months 1 day	2 years 11 months 23 days
Weighted-Average Exercise Price
Weighted-Average Exercise Price, Outstanding at the beginning (in dollars per share)	$ 13.91
Weighted-Average Exercise Price, Granted (in dollars per share)	0.00
Weighted-Average Exercise Price, Exercised (in dollars per share)	12.85
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)	$ 14.07	$ 13.91
Stock options outstanding and exercisable
Stock Options Exercisable (in shares)	1,379,000
Stock Options Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 14.07
Stock Options | Minimum
Stock Options, Exercise Price Range
SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingExercisePrice	12.85	12.85
Exercise price, Granted (in dollars per share)	0.00
Exercise price, Exercised (in dollars per share)	12.85
Exercise price, Forfeited/canceled (in dollars per share)	0.00
Exercise price, Vested (in dollars per share)	0.00
SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingExercisePrice	12.85	12.85
Stock options outstanding and exercisable
Exercise price, options exercisable (in dollars per share)	12.85
Stock Options | Maximum
Stock Options, Exercise Price Range
SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingExercisePrice	15.75	15.75
Exercise price, Granted (in dollars per share)	0.00
Exercise price, Exercised (in dollars per share)	12.85
Exercise price, Forfeited/canceled (in dollars per share)	0.00
Exercise price, Vested (in dollars per share)	0.00
SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsOutstandingExercisePrice	15.75	$ 15.75
Stock options outstanding and exercisable
Exercise price, options exercisable (in dollars per share)	$ 15.75
Performance Shares
Restricted stock, shares activity
Granted (in shares)	71,404
Stock options outstanding and exercisable
Award requisite service period	3 years
Restricted stock, maximum multiplier	150.00%
Performance Shares | Minimum
Stock options outstanding and exercisable
Peer group, asset threshold			$ 10,000,000,000.0
Performance Shares | Maximum
Stock options outstanding and exercisable
Peer group, asset threshold			$ 50,000,000,000.0

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Loans and Leases (Details 1) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
HELOCs
HELOCs included in consumer real estate junior lien portfolio	$ 2,300,000,000		$ 2,100,000,000
Amortizing junior lien mortgage loans included in consumer real estate junior lien portfolio	383,200,000		424,400,000
Portion of HELOCs in initial interest-only draw period	$ 1,600,000,000		1,300,000,000
Initial Interest-only Draw Period	10 years
Loans and Leases Receivable Consumer Home Equity Amortization Repayment Period	20 years
HELOCs with interest-only revolving draw programs	$ 733,700,000		816,000,000
Loans and Leases Receivable Percentage of Consumer Home Equity Line of Credit with Interest only Revolving Draw Programs Maturing Prior to Specified Period	18.30%
Consumer real estate loans sold	$ 629,300,000	$ 571,600,000
Gains on sale of consumer real estate loans before adjustment	20,000,000	19,700,000
Consumer auto loans sold	639,900,000	481,900,000
Proceeds from sale of consumer auto loans	664,300,000	492,100,000
Gains on sale of consumer auto loans before adjustment	17,900,000	16,200,000
Interest-only strips on consumer auto loans retained	0	8,200,000
Interest-only strips related to sales of auto loans	35,200,000		48,600,000
Impairment related to auto finance interest-only strips	500,000	1,200,000
Contractual recourse liabilities related to consumer auto loans	400,000		700,000
Consumer auto loans portfolio managed	4,400,000,000		3,800,000,000
Consumer auto loans transferred	436,400,000
Proceeds from transfer of consumer auto loans	453,800,000
Gains on transfer of consumer auto loans before adjustment	11,200,000
Cash received from sale of consumer real estate loans	647,900,000	585,400,000
Amount of interest only strips on consumer real estate loans retained	4,200,000	9,100,000
Interest-only strips for consumer real estate loans	20,700,000		21,200,000
Impairment related to consumer real estate interest-only strips	0	0
Contractual recourse liabilities related to consumer real estate loans	800,000		600,000
Consumer real estate loan managed portfolio	7,200,000,000		$ 7,100,000,000
First Mortgage Lien
HELOCs
Consumer real estate loans sold	136,300,000	$ 0
Gains on sale of consumer real estate loans before adjustment	$ 3,000,000
Minimum
HELOCs
Draw period for the HELOCs	5 years
Maximum
HELOCs
Draw period for the HELOCs	40 years

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Long-term Borrowings (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Information about long-term borrowings

Long-term borrowings consisted of the following.

		At June 30, 2015								At December 31, 2014
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount		Stated Rate
Federal Home Loan Bank advances	2015									$	125,000	0.37	%	-	0.38	%
	2016	$	447,000		0.36	%	-	1.17	%	547,000		0.25		-	1.17
	2017	325,000			0.23		-	0.24		275,000					0.25
Subtotal		772,000								947,000
Subordinated bank notes	2016	74,962						5.50		74,930					5.50
	2022	109,238						6.25		109,194					6.25
	2025	149,088						4.60		—					—
Hedge-related basis adjustment(1)		(3,563		)						—
Subtotal		329,725								184,124
Discounted lease rentals	2015	19,630			2.39		-	7.95		32,904		2.39		-	7.95
	2016	35,165			2.39		-	7.95		27,539		2.39		-	7.95
	2017	28,470			2.45		-	7.95		20,580		2.45		-	7.95
	2018	14,879			2.53		-	7.95		9,032		2.63		-	7.95
	2019	5,070			2.53		-	5.05		2,589		2.63		-	5.05
	2020	324			3.04		-	4.57		160					4.57
	2021	83						4.57		83					4.57
Subtotal		103,621								92,887
Other long-term	2015									2,670					1.36
	2016	2,648						1.36		2,642					1.36
	2017	2,742						1.36		2,742					1.36
Subtotal		5,390								8,054
Total long-term borrowings		$	1,210,736							$	1,232,065

(1) Related to subordinated bank notes with a stated maturity of 2025 at June 30, 2015.

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Regulatory Capital Requirements (Tables)

6 Months Ended

Jun. 30, 2015

Regulatory Capital Requirements [Abstract]

Schedule of regulatory capital information for TCF and TCF Bank

The following table presents regulatory capital information for TCF and TCF Bank. Information presented for June 30, 2015 reflects the transition to the Basel III capital standard from previous regulatory capital adequacy guidelines under the Basel I framework. The Basel III capital standard phases in through 2019 and revises the definition of capital, increases minimum capital ratios, introduces regulatory capital buffers above those minimums, introduces a common equity Tier 1 capital ratio and revises the rules for calculating risk-weighted assets. Banks that are not advanced approaches institutions may make a one-time election to opt out of the requirement to include components of accumulated other comprehensive income (loss) in common equity Tier 1 capital. TCF has elected to opt-out of the accumulated other comprehensive income (loss) requirement.

	TCF						TCF Bank
(Dollars in thousands)	June 30, 2015			December 31, 2014			June 30, 2015			December 31, 2014			Well-capitalized Standard		Minimum Capital Requirement
Regulatory Capital:
Common equity Tier 1 capital	$	1,732,437		N.A.			$	1,912,587		N.A.
Tier 1 capital	2,013,347			$	1,919,887		1,932,098			$	1,836,019
Total capital	2,407,268			2,209,999			2,349,196			2,126,131
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	9.97		%	N.A			11.01		%	N.A.			6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.59			11.76		%	11.13			11.25		%	8.00		6.00
Total risk-based capital ratio	13.86			13.54			13.53			13.03			10.00		8.00
Tier 1 leverage ratio	10.22			10.07			9.81			9.63			5.00		4.00

N.A. Not Applicable.

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Basis of Presentation

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

TCF Financial Corporation, a Delaware corporation ("we," "us," "our," "TCF," or the "Company"), is a national bank holding company based in Wayzata, Minnesota. Unless otherwise indicated, references herein to "TCF" include its direct and indirect subsidiaries. Its principal subsidiary, TCF National Bank ("TCF Bank"), is headquartered in South Dakota. References herein to "TCF Financial" refer to TCF Financial Corporation on an unconsolidated basis.

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 generally accepted accounting principles in the United States ("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, 2014, and for the year then ended. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain reclassifications have been made to prior period financial statements to conform to the current period presentation. Accounting policies in effect at December 31, 2014 remain significantly unchanged and will be 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 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.

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Stock Compensation (Tables)

6 Months Ended

Jun. 30, 2015

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

Restricted stock and stock option transactions under the Company Financial Incentive Stock Program

The following table reflects TCF's restricted stock and stock option transactions under the TCF Financial Incentive Stock Program and TCF Financial 2015 Omnibus Incentive Plan during the six months ended June 30, 2015.

	Restricted Stock									Stock Options
	Shares		Price Range					Weighted- Average Grant Date Fair Value		Shares		Price Range					Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price
Outstanding at December 31, 2014	2,858,494		$	6.16	-	$	16.02	$	12.73	1,579,000		$	12.85	-	$	15.75	2.98	$	13.91
Granted	680,933		14.17		-	16.28		14.44		—		—		-	—		—	—
Exercised	—		—		-	—		—		(200,000	)	12.85		-	12.85		—	12.85
Forfeited/canceled	(129,747	)	6.80		-	15.96		13.18		—		—		-	—		—	—
Vested	(188,944	)	9.65		-	15.96		13.10		—		—		-	—		—	—
Outstanding at June 30, 2015	3,220,736		6.16		-	16.28		13.05		1,379,000		12.85		-	15.75		2.67	14.07
Exercisable at June 30, 2015	N.A.							N.A.		1,379,000		12.85		-	15.75			14.07

N.A. Not Applicable

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Securities Available for Sale and Securities Held to Maturity (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Securities available for sale:
Amortized Cost		$ 635,185,000		$ 461,630,000
Gross Unrealized Gains		1,182,000		2,405,000
Gross Unrealized Losses		6,519,000		741,000
Fair Value		$ 629,848,000		$ 463,294,000
Weighted-average yield (as a percent)		2.43%		2.62%
Gross gains recognized on sales of securities	$ 800,000	$ 0	$ 1,100,000
Impairment charges		0	0
Securities held to maturity:
Amortized Cost		208,911,000		$ 214,454,000
Gross Unrealized Gains		4,596,000		7,988,000
Gross Unrealized Losses		160,000		109,000
Fair Value		$ 213,347,000		$ 222,333,000
Weighted-average yield (as a percent)		2.64%		2.64%
Unrealized holding loss on the transferred securities retained in accumulated other comprehensive income		$ 15,400,000		$ 16,000,000
Impairment charge on held to maturity securities		100,000		0
Mortgage-backed securities:
Securities available for sale:
Securities available for sale pledged as collateral		7,600,000		8,200,000
Securities held to maturity:
Value of available for sale mortgage-backed securities transferred to held to maturity	$ 191,700,000	0	$ 191,700,000
U.S. Government sponsored enterprises and federal agencies
Securities available for sale:
Amortized Cost		597,166,000		461,575,000
Gross Unrealized Gains		1,142,000		2,405,000
Gross Unrealized Losses		6,401,000		741,000
Fair Value		591,907,000		463,239,000
Securities held to maturity:
Amortized Cost		204,179,000		209,538,000
Gross Unrealized Gains		4,596,000		7,988,000
Gross Unrealized Losses		160,000		109,000
Fair Value		208,615,000		217,417,000
Mortgage-backed securities, Other
Securities available for sale:
Amortized Cost		45,000		55,000
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Fair Value		45,000		55,000
Obligations of states and political subdivisions
Securities available for sale:
Amortized Cost		37,796,000		0
Gross Unrealized Gains		40,000		0
Gross Unrealized Losses		118,000		0
Fair Value		37,718,000		0
Other securities
Securities available for sale:
Amortized Cost		178,000		0
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Fair Value		178,000		0
Securities held to maturity:
Amortized Cost		4,732,000		4,916,000
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Fair Value		$ 4,732,000		$ 4,916,000

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Short-term Borrowings (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Short-term Borrowings
Short-term borrowings	$ 7,305	$ 4,425
Interest rate at period end (as a percent)	1.09%	0.10%
Average daily balances of short-term borrowings	$ 8,124	$ 83,673
Average daily interest rate (as a percent)	0.75%	0.31%
Mortgage-backed securities
Short-term Borrowings
Fair value of short-term debt	$ 7,600	$ 8,200
Federal Home Loan Bank advances
Short-term Borrowings
Average daily balances of short-term borrowings	$ 0	$ 74,385
Average daily interest rate (as a percent)	0.00%	0.26%
Maximum month-end balances of short-term borrowings	$ 0	$ 250,000
Federal funds purchased
Short-term Borrowings
Average daily balances of short-term borrowings	$ 254	$ 375
Average daily interest rate (as a percent)	0.43%	0.40%
Securities sold under repurchase agreements
Short-term Borrowings
Short-term borrowings	$ 3,303	$ 4,425
Interest rate at period end (as a percent)	0.10%	0.10%
Average daily balances of short-term borrowings	$ 5,517	$ 5,956
Average daily interest rate (as a percent)	0.21%	0.18%
Maximum month-end balances of short-term borrowings	$ 3,495	$ 4,425
Securities sold under repurchase agreements | Mortgage-backed securities
Short-term Borrowings
Fair value of short-term debt	6,400
Line of Credit - TCF Commercial Finance Canada, Inc.
Short-term Borrowings
Short-term borrowings	$ 4,002	$ 0
Interest rate at period end (as a percent)	1.90%	0.00%
Average daily balances of short-term borrowings	$ 2,353	$ 2,957
Average daily interest rate (as a percent)	2.06%	1.88%
Maximum month-end balances of short-term borrowings	$ 5,519	$ 11,751

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Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets:
Cash and due from banks	$ 912,461	$ 1,115,250
Investments	78,518	85,492
Securities held to maturity	208,911	214,454
Securities available for sale	629,848	463,294
Loans and leases held for sale	200,034	132,266
Consumer real estate:
First mortgage lien	2,865,911	3,139,152
Junior lien	2,678,118	2,543,212
Total consumer real estate	5,544,029	5,682,364
Commercial	3,112,344	3,157,665
Leasing and equipment finance	3,791,215	3,745,322
Inventory finance	2,106,087	1,877,090
Auto finance	2,301,714	1,915,061
Other	21,852	24,144
Total loans and leases	16,877,241	16,401,646
Allowance for loan and lease losses	(156,115)	(164,169)
Net loans and leases	16,721,126	16,237,477
Premises and equipment, net	435,600	436,361
Goodwill	225,640	225,640
Other assets	414,212	484,377
Total assets	19,826,350	19,394,611
Deposits:
Checking	5,375,818	5,195,243
Savings	4,968,398	5,212,320
Money market	2,286,773	1,993,130
Certificates of deposit	3,196,230	3,049,189
Total deposits	15,827,219	15,449,882
Short-term borrowings	7,305	4,425
Long-term borrowings	1,210,736	1,232,065
Total borrowings	1,218,041	1,236,490
Accrued expenses and other liabilities	559,068	572,875
Total liabilities	17,604,328	17,259,247
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; 169,144,261 and 167,503,568 shares issued, respectively	1,691	1,675
Additional paid-in capital	838,755	817,130
Retained earnings, subject to certain restrictions	1,165,753	1,099,914
Accumulated other comprehensive income (loss)	(16,370)	(10,910)
Treasury stock at cost, 42,566 shares, and other	(50,558)	(49,400)
Total TCF Financial Corporation stockholders' equity	2,202,511	2,121,649
Non-controlling interest in subsidiaries	19,511	13,715
Total equity	2,222,022	2,135,364
Total liabilities and equity	$ 19,826,350	$ 19,394,611

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Allowance for Loan and Lease Losses and Credit Quality Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Allowance for loan and lease losses
Balance, at the beginning of the period	$ 163,799	$ 247,046	$ 164,169	$ 252,230
Charge-offs	(22,984)	(22,975)	(41,108)	(45,312)
Recoveries	5,506	4,620	12,093	9,541
Net (charge-offs) recoveries	(17,478)	(18,355)	(29,015)	(35,771)
Provision for credit losses	12,528	9,909	25,319	24,401
Other	(2,734)	(2,519)	(4,358)	(4,779)
Balance, at the end of the period	156,115	236,081	156,115	236,081
Consumer Real Estate
Allowance for loan and lease losses
Balance, at the beginning of the period	80,292	169,367	85,361	176,030
Charge-offs	(11,558)	(13,012)	(20,764)	(27,567)
Recoveries	1,869	1,555	3,794	3,407
Net (charge-offs) recoveries	(9,689)	(11,457)	(16,970)	(24,160)
Provision for credit losses	5,061	4,106	7,880	11,185
Other	(977)	(667)	(1,584)	(1,706)
Balance, at the end of the period	74,687	161,349	74,687	161,349
Commercial
Allowance for loan and lease losses
Balance, at the beginning of the period	32,121	36,062	31,367	37,467
Charge-offs	(2,581)	(3,721)	(3,457)	(5,366)
Recoveries	967	244	2,364	379
Net (charge-offs) recoveries	(1,614)	(3,477)	(1,093)	(4,987)
Provision for credit losses	(302)	(1,168)	(69)	(1,048)
Other	0	(56)	0	(71)
Balance, at the end of the period	30,205	31,361	30,205	31,361
Leasing and Equipment Finance
Allowance for loan and lease losses
Balance, at the beginning of the period	17,921	18,623	18,446	18,733
Charge-offs	(1,988)	(1,875)	(3,864)	(3,410)
Recoveries	518	902	1,503	1,688
Net (charge-offs) recoveries	(1,470)	(973)	(2,361)	(1,722)
Provision for credit losses	1,218	1,534	1,584	2,173
Other	0	0	0	0
Balance, at the end of the period	17,669	19,184	17,669	19,184
Inventory Finance
Allowance for loan and lease losses
Balance, at the beginning of the period	12,409	10,309	10,020	8,592
Charge-offs	(821)	(183)	(1,349)	(350)
Recoveries	198	76	307	377
Net (charge-offs) recoveries	(623)	(107)	(1,042)	27
Provision for credit losses	(951)	(752)	2,081	925
Other	44	89	(180)	(5)
Balance, at the end of the period	10,879	9,539	10,879	9,539
Auto Finance
Allowance for loan and lease losses
Balance, at the beginning of the period	20,426	12,062	18,230	10,623
Charge-offs	(4,388)	(2,191)	(8,349)	(4,724)
Recoveries	728	358	1,338	615
Net (charge-offs) recoveries	(3,660)	(1,833)	(7,011)	(4,109)
Provision for credit losses	7,096	5,521	13,436	10,348
Other	(1,801)	(1,885)	(2,594)	(2,997)
Balance, at the end of the period	22,061	13,865	22,061	13,865
Other
Allowance for loan and lease losses
Balance, at the beginning of the period	630	623	745	785
Charge-offs	(1,648)	(1,993)	(3,325)	(3,895)
Recoveries	1,226	1,485	2,787	3,075
Net (charge-offs) recoveries	(422)	(508)	(538)	(820)
Provision for credit losses	406	668	407	818
Other	0	0	0	0
Balance, at the end of the period	$ 614	$ 783	$ 614	$ 783

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Consolidated Statements of Equity - USD ($) $ in Thousands	Total	TCF Financial Corporation	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock and Other	Non-controlling Interests
Balance at Dec. 31, 2013	$ 1,964,759	$ 1,952,968	$ 263,240	$ 1,652	$ 779,641	$ 977,846	$ (27,213)	$ (42,198)	$ 11,791
Balance (in shares) at Dec. 31, 2013			4,006,900	165,164,861
Increase (Decrease) in Equity
Net income attributable to TCF Financial Corporation	102,102	97,882				97,882			4,220
Other comprehensive income (loss)	12,298	12,298					12,298
Net investment by (distribution to) non-controlling interest	794								794
Dividends on preferred stock	(9,694)	(9,694)				(9,694)
Dividends on common stock	(16,309)	(16,309)				(16,309)
Grants of restricted stock	0	0		$ 10	(10)
Grants of restricted stock (in shares)				1,052,898
Common shares purchased by TCF employee benefit plans	13,108	13,108		$ 8	13,100
Common shares purchased by TCF employee benefit plans (in shares)				816,570
Cancellation of shares of restricted stock	(219)	(219)			(219)	0
Cancellation of shares of restricted stock (in shares)				(52,020)
Cancellation of common shares for tax withholding	(965)	(965)		$ (1)	(964)
Cancellation of common shares for tax withholding (in shares)				(58,283)
Net amortization of stock compensation	5,074	5,074			5,074
Stock compensation tax (expense) benefit	763	763			763
Change in shares held in trust for deferred compensation plans, at cost					9,260			(9,260)
Balance (in shares) at Jun. 30, 2014			4,006,900	166,924,026
Balance at Jun. 30, 2014	2,071,711	2,054,906	$ 263,240	$ 1,669	806,645	1,049,725	(14,915)	(51,458)	16,805
Balance at Dec. 31, 2014	2,135,364	2,121,649	$ 263,240	$ 1,675	817,130	1,099,914	(10,910)	(49,400)	13,715
Balance (in shares) at Dec. 31, 2014			4,006,900	167,503,568
Increase (Decrease) in Equity
Net income attributable to TCF Financial Corporation	96,611	92,056				92,056			4,555
Other comprehensive income (loss)	(5,460)	(5,460)					(5,460)
Net investment by (distribution to) non-controlling interest	1,241								1,241
Dividends on preferred stock	(9,694)	(9,694)				(9,694)
Dividends on common stock	(16,523)	(16,523)				(16,523)
Grants of restricted stock	0	0		$ 7	(7)
Grants of restricted stock (in shares)				722,304
Common shares purchased by TCF employee benefit plans	14,439	14,439		$ 9	14,430
Common shares purchased by TCF employee benefit plans (in shares)				915,632
Cancellation of shares of restricted stock	(533)	(533)		$ (1)	(532)
Cancellation of shares of restricted stock (in shares)				(132,937)
Cancellation of common shares for tax withholding	(1,023)	(1,023)		$ (1)	(1,022)
Cancellation of common shares for tax withholding (in shares)				(64,306)
Net amortization of stock compensation	4,743	4,743			4,743
Exercise of stock options	2,570	2,570		$ 2	2,568
Exercise of stock options (in shares)				200,000
Stock compensation tax (expense) benefit	287	287			287
Change in shares held in trust for deferred compensation plans, at cost					1,158			(1,158)
Balance (in shares) at Jun. 30, 2015			4,006,900	169,144,261
Balance at Jun. 30, 2015	$ 2,222,022	$ 2,202,511	$ 263,240	$ 1,691	$ 838,755	$ 1,165,753	$ (16,370)	$ (50,558)	$ 19,511

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Derivative Instruments (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Derivative assets
Gross Amounts Recognized	$ 7,305	$ 5,294
Gross Amounts Offset	0	(1,179)
Net Amount Presented	7,305	4,115
Derivative liabilities
Gross Amounts Recognized	6,519	2,675
Gross Amounts Offset	(6,519)	(2,527)
Net Amount Presented	0	148
Forward foreign exchange contracts | Designated as Hedges
Derivative assets
Notional Amount	45,857	42,165
Gross Amounts Recognized	144	509
Gross Amounts Offset	0	0
Net Amount Presented	144	509
Forward foreign exchange contracts | Not Designated as Hedges
Derivative assets
Notional Amount	408,953	275,962
Gross Amounts Recognized	4,984	2,702
Gross Amounts Offset	0	(1,179)
Net Amount Presented	4,984	1,523
Derivative liabilities
Notional Amount		189,310
Gross Amounts Recognized		177
Gross Amounts Offset		(29)
Net Amount Presented		148
Interest Rate Contract | Designated as Hedges
Derivative assets
Notional Amount	150,000
Derivative liabilities
Notional Amount	150,000
Gross Amounts Recognized	4,267
Gross Amounts Offset	(4,267)
Net Amount Presented	0
Interest Rate Contract | Not Designated as Hedges
Derivative assets
Notional Amount	91,729	101,166
Gross Amounts Recognized	1,722	1,798
Gross Amounts Offset	0	0
Net Amount Presented	1,722	1,798
Derivative liabilities
Notional Amount	91,729	101,166
Gross Amounts Recognized	1,787	1,877
Gross Amounts Offset	(1,787)	(1,877)
Net Amount Presented	0	0
Other contracts | Not Designated as Hedges
Derivative liabilities
Notional Amount	13,804	13,804
Gross Amounts Recognized	465	621
Gross Amounts Offset	(465)	(621)
Net Amount Presented	0	0
Interest Rate Lock Commitments | Not Designated as Hedges
Derivative assets
Notional Amount	26,145	15,124
Gross Amounts Recognized	455	285
Gross Amounts Offset	0	0
Net Amount Presented	$ 455	$ 285

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Fair Values Disclosures (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

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

The following tables present the balances of assets and liabilities measured at fair value on a recurring and non-recurring basis.

	Fair Value Measurements at June 30, 2015
(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	$	—	$	591,907	$	—	$	591,907
Other	—		—		45		45
Obligations of states and political subdivisions	—		37,718		—		37,718
Other securities	178		—		—		178
Loans and leases held for sale	—		—		4,962		4,962
Forward foreign exchange contracts(1)	—		5,128		—		5,128
Interest rate contracts(1)	—		1,722		—		1,722
Interest rate lock commitments(1)	—		—		455		455
Forward loan sales commitments	—		—		52		52
Assets held in trust for deferred compensation plans	19,435		—		—		19,435
Total assets	$	19,613	$	636,475	$	5,514	$	661,602
Interest rate contracts(1)	$	—	$	6,054	$	—	$	6,054
Forward loan sales commitments	—		—		57		57
Liabilities held in trust for deferred compensation plans	19,435		—		—		19,435
Other contracts(1)	—		—		465		465
Total liabilities	$	19,435	$	6,054	$	522	$	26,011
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,332	$	1,332
Loans	—		—		149,037		149,037
Interest-only strips	—		—		4,505		4,505
Other real estate owned:
Consumer	—		—		39,140		39,140
Commercial	—		—		3,622		3,622
Repossessed and returned assets	—		2,609		1,302		3,911
Total non-recurring fair value measurements	$	—	$	2,609	$	198,938	$	201,547

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances are presented gross of this netting adjustment.

	Fair Value Measurements at December 31, 2014
(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	$	—	$	463,239	$	—	$	463,239
Other	—		—		55		55
Loans and leases held for sale	—		—		3,308		3,308
Forward foreign exchange contracts(1)	—		3,211		—		3,211
Interest rate contracts(1)	—		1,798		—		1,798
Interest rate lock commitments(1)	—		—		285		285
Forward loan sales commitments	—		—		19		19
Assets held in trust for deferred compensation plans	18,703		—		—		18,703
Total assets	$	18,703	$	468,248	$	3,667	$	490,618
Forward foreign exchange contracts(1)	$	—	$	177	$	—	$	177
Interest rate contracts(1)	—		1,877		—		1,877
Forward loan sales commitments	—		—		42		42
Liabilities held in trust for deferred compensation plans	18,703		—		—		18,703
Other contracts(1)	—		—		621		621
Total liabilities	$	18,703	$	2,054	$	663	$	21,420
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,516	$	1,516
Loans	—		—		164,897		164,897
Interest-only strips	—		—		41,204		41,204
Other real estate owned:
Consumer	—		—		40,502		40,502
Commercial	—		4,839		8,866		13,705
Repossessed and returned assets	—		1,563		1,425		2,988
Total non-recurring fair value measurements	$	—	$	6,402	$	258,410	$	264,812

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances 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 following table presents changes in Level 3 assets and liabilities measured at fair value on a recurring basis.

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	50		$	6,248		$	589		$	(113	)	$	(544	)
Total net gains (losses) included in:
Net income	—			(58		)	(134		)	108			—
Sales	—			(74,489		)	—			—			—
Originations	—			73,261			—			—			—
Principal paydowns / settlements	(5		)	—			—			—			79
Asset (liability) balance, end of period	$	45		$	4,962		$	455		$	(5	)	$	(465	)
At or For the Three Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	87		$	—		$	—		$	—		$	(819	)
Principal paydowns / settlements	(6		)	—			—			—			82
Asset (liability) balance, end of period	$	81		$	—		$	—		$	—		$	(737	)

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments		Forward Loan Sales Commitments			Other Contracts
At or For the Six Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	55		$	3,308		$	285	$	(23	)	$	(621	)
Total net gains (losses) included in:
Net income	—			32			170		18			—
Sales	—			(136,264		)	—		—			—
Originations	—			137,886			—		—			—
Principal paydowns / settlements	(10		)	—			—		—			156
Asset (liability) balance, end of period	$	45		$	4,962		$	455	$	(5	)	$	(465	)
At or For the Six Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	93		$	—		$	—	$	—		$	(899	)
Principal paydowns / settlements	(12		)	—			—		—			162
Asset (liability) balance, end of period	$	81		$	—		$	—	$	—		$	(737	)

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

The following table presents changes in Level 3 assets and liabilities measured at fair value on a recurring basis.

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	50		$	6,248		$	589		$	(113	)	$	(544	)
Total net gains (losses) included in:
Net income	—			(58		)	(134		)	108			—
Sales	—			(74,489		)	—			—			—
Originations	—			73,261			—			—			—
Principal paydowns / settlements	(5		)	—			—			—			79
Asset (liability) balance, end of period	$	45		$	4,962		$	455		$	(5	)	$	(465	)
At or For the Three Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	87		$	—		$	—		$	—		$	(819	)
Principal paydowns / settlements	(6		)	—			—			—			82
Asset (liability) balance, end of period	$	81		$	—		$	—		$	—		$	(737	)

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments		Forward Loan Sales Commitments			Other Contracts
At or For the Six Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	55		$	3,308		$	285	$	(23	)	$	(621	)
Total net gains (losses) included in:
Net income	—			32			170		18			—
Sales	—			(136,264		)	—		—			—
Originations	—			137,886			—		—			—
Principal paydowns / settlements	(10		)	—			—		—			156
Asset (liability) balance, end of period	$	45		$	4,962		$	455	$	(5	)	$	(465	)
At or For the Six Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	93		$	—		$	—	$	—		$	(899	)
Principal paydowns / settlements	(12		)	—			—		—			162
Asset (liability) balance, end of period	$	81		$	—		$	—	$	—		$	(737	)

Fair value, option, quantitative disclosures

The following table presents the difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale.

(In thousands)	At June 30, 2015		At December 31, 2014
Fair value carrying amount	$	4,962	$	3,308
Aggregate unpaid principal amount	4,840		3,205
Fair value carrying amount less aggregate unpaid principal	$	122	$	103

Fair value of assets and liabilities, including hierarchy level

The following tables present 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. 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 June 30, 2015
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	78,518		$	—	$	78,518		$	—	$	78,518
Securities held to maturity	208,911			—		208,615			4,732		213,347
Loans and leases held for sale	200,034			—		—			211,733		211,733
Loans:
Consumer real estate	5,544,029			—		—			5,662,803		5,662,803
Commercial real estate	2,535,794			—		—			2,480,050		2,480,050
Commercial business	576,550			—		—			555,120		555,120
Equipment finance	1,836,808			—		—			1,821,704		1,821,704
Inventory finance	2,106,087			—		—			2,092,911		2,092,911
Auto finance	2,301,714			—		—			2,315,076		2,315,076
Other	21,852			—		—			19,585		19,585
Allowance for loan losses(1)	(156,115		)	—		—			—		—
Interest-only strips(2)	55,944			—		—			59,135		59,135
Total financial instrument assets	$	15,310,126		$	—	$	287,133		$	15,222,849	$	15,509,982
Financial instrument liabilities:
Deposits	$	15,827,219		$	12,630,989	$	3,213,957		$	—	$	15,844,946
Long-term borrowings	1,210,736			—		1,217,737			5,390		1,223,127
Total financial instrument liabilities	$	17,037,955		$	12,630,989	$	4,431,694		$	5,390	$	17,068,073
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	24,627		$	—	$	24,627		$	—	$	24,627
Standby letters of credit	(64		)	—		(64		)	—		(64		)
Total financial instruments with off-balance sheet risk	$	24,563		$	—	$	24,563		$	—	$	24,563

(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, 2014
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	85,492		$	—	$	85,492		$	—	$	85,492
Securities held to maturity	214,454			—		217,418			4,916		222,334
Loans and leases held for sale	132,266			—		—			139,370		139,370
Loans:
Consumer real estate	5,682,364			—		—			5,836,770		5,836,770
Commercial real estate	2,624,255			—		—			2,575,625		2,575,625
Commercial business	533,410			—		—			512,083		512,083
Equipment finance	1,806,808			—		—			1,787,271		1,787,271
Inventory finance	1,877,090			—		—			1,864,786		1,864,786
Auto finance	1,915,061			—		—			1,927,384		1,927,384
Other	24,144			—		—			18,724		18,724
Allowance for loan losses(1)	(164,169		)	—		—			—		—
Interest-only strips(2)	69,789			—		—			73,058		73,058
Total financial instrument assets	$	14,800,964		$	—	$	302,910		$	14,739,987	$	15,042,897
Financial instrument liabilities:
Deposits	$	15,449,882		$	12,400,693	$	3,063,850		$	—	$	15,464,543
Long-term borrowings	1,232,065			—		1,246,221			8,054		1,254,275
Total financial instrument liabilities	$	16,681,947		$	12,400,693	$	4,310,071		$	8,054	$	16,718,818
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	25,885		$	—	$	25,885		$	—	$	25,885
Standby letters of credit	(47		)	—		(47		)	—		(47		)
Total financial instruments with off-balance sheet risk	$	25,838		$	—	$	25,838		$	—	$	25,838

(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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Fair Values Disclosures (Details 4) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Financial instrument assets:
Securities held to maturity	$ 208,911		$ 214,454
Loans:
Commercial real estate	2,535,794		2,624,255
Allowance for loan losses	(156,115)	$ (163,799)	(164,169)	$ (236,081)	$ (247,046)	$ (252,230)
Interest-only strips	35,200		48,600
Level 1
Financial instrument assets:
Investments	0		0
Securities held to maturity	0		0
Loans and leases 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
Interest-only strips	0		0
Total financial instrument assets	0		0
Financial instrument liabilities:
Deposits	12,630,989		12,400,693
Long-term borrowings	0		0
Total financial instrument liabilities	12,630,989		12,400,693
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
Level 2
Financial instrument assets:
Investments	78,518		85,492
Securities held to maturity	208,615		217,418
Loans and leases 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
Interest-only strips	0		0
Total financial instrument assets	287,133		302,910
Financial instrument liabilities:
Deposits	3,213,957		3,063,850
Long-term borrowings	1,217,737		1,246,221
Total financial instrument liabilities	4,431,694		4,310,071
Financial instruments with off-balance sheet risk:
Commitments to extend credit	24,627		25,885
Standby letters of credit	(64)		(47)
Total financial instruments with off-balance-sheet risk	24,563		25,838
Level 3
Financial instrument assets:
Investments	0		0
Securities held to maturity	4,732		4,916
Loans and leases held for sale	211,733		139,370
Loans:
Consumer real estate	5,662,803		5,836,770
Commercial real estate	2,480,050		2,575,625
Commercial business	555,120		512,083
Equipment finance	1,821,704		1,787,271
Inventory finance	2,092,911		1,864,786
Auto finance	2,315,076		1,927,384
Other	19,585		18,724
Allowance for loan losses	0		0
Interest-only strips	59,135		73,058
Total financial instrument assets	15,222,849		14,739,987
Financial instrument liabilities:
Deposits	0		0
Long-term borrowings	5,390		8,054
Total financial instrument liabilities	5,390		8,054
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
Carrying Amount
Financial instrument assets:
Investments	78,518		85,492
Securities held to maturity	208,911		214,454
Loans and leases held for sale	200,034		132,266
Loans:
Consumer real estate	5,544,029		5,682,364
Commercial real estate	2,535,794		2,624,255
Commercial business	576,550		533,410
Equipment finance	1,836,808		1,806,808
Inventory finance	2,106,087		1,877,090
Auto finance	2,301,714		1,915,061
Other	21,852		24,144
Allowance for loan losses	(156,115)		(164,169)
Interest-only strips	55,944		69,789
Total financial instrument assets	15,310,126		14,800,964
Financial instrument liabilities:
Deposits	15,827,219		15,449,882
Long-term borrowings	1,210,736		1,232,065
Total financial instrument liabilities	17,037,955		16,681,947
Financial instruments with off-balance sheet risk:
Commitments to extend credit	24,627		25,885
Standby letters of credit	(64)		(47)
Total financial instruments with off-balance-sheet risk	24,563		25,838
Estimated Fair Value
Financial instrument assets:
Investments	78,518		85,492
Securities held to maturity	213,347		222,334
Loans and leases held for sale	211,733		139,370
Loans:
Consumer real estate	5,662,803		5,836,770
Commercial real estate	2,480,050		2,575,625
Commercial business	555,120		512,083
Equipment finance	1,821,704		1,787,271
Inventory finance	2,092,911		1,864,786
Auto finance	2,315,076		1,927,384
Other	19,585		18,724
Allowance for loan losses	0		0
Interest-only strips	59,135		73,058
Total financial instrument assets	15,509,982		15,042,897
Financial instrument liabilities:
Deposits	15,844,946		15,464,543
Long-term borrowings	1,223,127		1,254,275
Total financial instrument liabilities	17,068,073		16,718,818
Financial instruments with off-balance sheet risk:
Commitments to extend credit	24,627		25,885
Standby letters of credit	(64)		(47)
Total financial instruments with off-balance-sheet risk	$ 24,563		$ 25,838

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Business Segments

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Business Segments

Business Segments

Lending, Funding and Support Services have been identified as reportable segments. Lending includes consumer real estate, commercial real estate and business lending, leasing and equipment finance, inventory finance and auto finance. Funding includes branch banking and treasury services. Support Services includes Holding Company and corporate functions that provide data processing, bank operations and other professional services to the operating segments.

TCF evaluates performance and allocates resources based on each segment's net income or loss. The business segments follow GAAP as described in Note 1, Summary of Significant Accounting Policies, in Item 8 of TCF's 2014 Annual Report on Form 10-K. TCF generally accounts for inter-segment sales and transfers at cost.

The following tables set forth certain information for each of TCF's reportable segments, including a reconciliation of TCF's consolidated totals.

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Three Months Ended June 30, 2015:
Net interest income	$	155,920	$	50,926		$	49		$	(866	)	$	206,029
Provision for credit losses	11,948		580			—			—			12,528
Non-interest income	60,526		52,895			28,404			(28,376		)	113,449
Non-interest expense	114,530		108,583			28,372			(28,376		)	223,109
Income tax expense (benefit)	32,266		(1,982		)	(516		)	(866		)	28,902
Income (loss) after income tax expense (benefit)	57,702		(3,360		)	597			—			54,939
Income attributable to non-controlling interest	2,684		—			—			—			2,684
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	55,018	$	(3,360	)	$	(4,250	)	$	—		$	47,408
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	217,022	$	6,059		$	—		$	—		$	223,081
Non-interest income	60,526		52,882			41			—			113,449
Total	$	277,548	$	58,941		$	41		$	—		$	336,530
At or For the Three Months Ended June 30, 2014:
Net interest income	$	149,377	$	57,422		$	56		$	(754	)	$	206,101
Provision for credit losses	9,120		789			—			—			9,909
Non-interest income	47,191		55,969			34,021			(33,165		)	104,016
Non-interest expense	105,109		108,304			32,947			(33,165		)	213,195
Income tax expense (benefit)	29,837		1,628			674			(754		)	31,385
Income (loss) after income tax expense (benefit)	52,502		2,670			456			—			55,628
Income attributable to non-controlling interest	2,503		—			—			—			2,503
Preferred stock dividends	—		—			4,847			—			4,847
Net income (loss) available to common stockholders	$	49,999	$	2,670		$	(4,391	)	$	—		$	48,278
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	214,549	$	5,542		$	—		$	—		$	220,091
Non-interest income	47,191		55,954			871			—			104,016
Total	$	261,740	$	61,496		$	871		$	—		$	324,107

(In thousands)	Lending		Funding			Support Services			Eliminations			Consolidated
At or For the Six Months Ended June 30, 2015:
Net interest income	$	309,348	$	101,717		$	71		$	(1,687	)	$	409,449
Provision for credit losses	24,579		740			—			—			25,319
Non-interest income	109,089		103,103			60,361			(58,466		)	214,087
Non-interest expense	227,030		220,374			60,938			(58,466		)	449,876
Income tax expense (benefit)	59,745		(5,942		)	(386		)	(1,687		)	51,730
Income (loss) after income tax expense (benefit)	107,083		(10,352		)	(120		)	—			96,611
Income attributable to non-controlling interest	4,555		—			—			—			4,555
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	102,528	$	(10,352	)	$	(9,814	)	$	—		$	82,362
Total assets	$	17,430,400	$	7,038,178		$	187,530		$	(4,829,758	)	$	19,826,350
Revenues from external customers:
Interest income	$	431,101	$	11,774		$	—		$	—		$	442,875
Non-interest income	109,089		103,077			1,921			—			214,087
Total	$	540,190	$	114,851		$	1,921		$	—		$	656,962
At or For the Six Months Ended June 30, 2014:
Net interest income	$	294,197	$	114,640		$	54		$	(1,516	)	$	407,375
Provision for credit losses	23,357		1,044			—			—			24,401
Non-interest income	98,489		107,629			67,781			(66,476		)	207,423
Non-interest expense	210,841		216,808			69,158			(66,476		)	430,331
Income tax expense (benefit)	57,750		1,702			28			(1,516		)	57,964
Income (loss) after income tax expense (benefit)	100,738		2,715			(1,351		)	—			102,102
Income attributable to non-controlling interest	4,220		—			—			—			4,220
Preferred stock dividends	—		—			9,694			—			9,694
Net income (loss) available to common stockholders	$	96,518	$	2,715		$	(11,045	)	$	—		$	88,188
Total assets	$	16,659,897	$	8,697,212		$	176,026		$	(6,695,358	)	$	18,837,777
Revenues from external customers:
Interest income	$	423,781	$	10,937		$	—		$	—		$	434,718
Non-interest income	98,489		107,599			1,335			—			207,423
Total	$	522,270	$	118,536		$	1,335		$	—		$	642,141

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per common share

TCF's restricted stock awards that pay non-forfeitable common stock dividends meet the criteria of a participating security. Accordingly, earnings per share is calculated using the two-class method, under which earnings are allocated to both common shares and participating securities.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(Dollars in thousands, except per-share data)	2015		2014		2015		2014
Basic Earnings Per Common Share:
Net income available to common stockholders	$	47,408	$	48,278	$	82,362	$	88,188
Earnings allocated to participating securities	11		12		22		23
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding for basic earnings per common share	165,588,846		163,252,550		165,219,090		163,011,047
Basic earnings per common share	$	0.29	$	0.30	$	0.50	$	0.54
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,588,846		163,252,550		165,219,090		163,011,047
Net dilutive effect of:
Non-participating restricted stock	302,079		202,475		297,035		214,186
Stock options	226,952		259,211		227,594		265,335
Weighted-average common shares outstanding for diluted earnings per common share	166,117,877		163,714,236		165,743,719		163,490,568
Diluted earnings per common share	$	0.29	$	0.29	$	0.50	$	0.54

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Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2015

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 are presented in the table below.

	Three Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(11,140	)	$	4,207		$	(6,933	)	$	8,648		$	(3,257	)	$	5,391
Reclassification of net (gains) losses to net income	286			(108		)	178			(452		)	170			(282		)
Net unrealized gains (losses)	(10,854		)	4,099			(6,755		)	8,196			(3,087		)	5,109
Net investment hedges:
Unrealized gains (losses) arising during the period	(674		)	254			(420		)	(1,382		)	522			(860		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	617			—			617			1,399			—			1,399
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(11		)	5			(6		)	(11		)	4			(7		)
Total other comprehensive income (loss)	$	(10,922	)	$	4,358		$	(6,564	)	$	8,202		$	(2,561	)	$	5,641
	Six Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(7,001	)	$	2,644		$	(4,357	)	$	20,514		$	(7,725	)	$	12,789
Reclassification of net (gains) losses to net income	590			(223		)	367			(629		)	236			(393		)
Net unrealized gains (losses)	(6,411		)	2,421			(3,990		)	19,885			(7,489		)	12,396
Net investment hedges:
Unrealized gains (losses) arising during the period	2,914			(1,101		)	1,813			(172		)	65			(107		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	(3,269		)	—			(3,269		)	23			—			23
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(23		)	9			(14		)	(23		)	9			(14		)
Total other comprehensive income (loss)	$	(6,789	)	$	1,329		$	(5,460	)	$	19,713		$	(7,415	)	$	12,298

(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 and net losses to net income related to securities available for sale were recorded in gains (losses) on securities, net in the Consolidated Statements of Income. The tax effect of these reclassifications was recorded in income tax expense in the Consolidated Statements of Income. See Note 11, Employee Benefit Plans, for additional information regarding TCF's recognized postretirement prior service cost.

Accumulated other comprehensive income (loss) balances are presented in the table below.

(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	(6,126	)	$	4,769		$	(8,646	)	$	197		$	(9,806	)
Other comprehensive income (loss)	(6,933		)	(420		)	617			—			(6,736		)
Amounts reclassified from accumulated other comprehensive income (loss)	178			—			—			(6		)	172
Net other comprehensive income (loss)	(6,755		)	(420		)	617			(6		)	(6,564		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	(19,696	)	$	1,344		$	(2,432	)	$	228		$	(20,556	)
Other comprehensive income (loss)	5,391			(860		)	1,399			—			5,930
Amounts reclassified from accumulated other comprehensive income (loss)	(282		)	—			—			(7		)	(289		)
Net other comprehensive income (loss)	5,109			(860		)	1,399			(7		)	5,641
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)
(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	(8,891	)	$	2,536		$	(4,760	)	$	205		$	(10,910	)
Other comprehensive income (loss)	(4,357		)	1,813			(3,269		)	—			(5,813		)
Amounts reclassified from accumulated other comprehensive income (loss)	367			—			—			(14		)	353
Net other comprehensive income (loss)	(3,990		)	1,813			(3,269		)	(14		)	(5,460		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	(26,983	)	$	591		$	(1,056	)	$	235		$	(27,213	)
Other comprehensive income (loss)	12,789			(107		)	23			—			12,705
Amounts reclassified from accumulated other comprehensive income (loss)	(393		)	—			—			(14		)	(407		)
Net other comprehensive income (loss)	12,396			(107		)	23			(14		)	12,298
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)

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Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Revenue (expense) from operations:
Net interest income (expense)	$ 206,029	$ 206,101	$ 409,449	$ 407,375
Provision for credit losses	12,528	9,909	25,319	24,401
Non-interest income	113,449	104,016	214,087	207,423
Non-interest expense	223,109	213,195	449,876	430,331
Income tax expense (benefit)	28,902	31,385	51,730	57,964
Income after income tax expense	54,939	55,628	96,611	102,102
Income attributable to non-controlling interest	2,684	2,503	4,555	4,220
Preferred stock dividends	4,847	4,847	9,694	9,694
Net income available to common stockholders	47,408	48,278	82,362	88,188
Total assets	19,826,350	18,837,777	19,826,350	18,837,777	$ 19,394,611
Revenues from external customers:
Interest income	223,081	220,091	442,875	434,718
Non-interest income	113,449	104,016	214,087	207,423
Total	336,530	324,107	656,962	642,141
Operating | Lending
Revenue (expense) from operations:
Net interest income (expense)	155,920	149,377	309,348	294,197
Provision for credit losses	11,948	9,120	24,579	23,357
Non-interest income	60,526	47,191	109,089	98,489
Non-interest expense	114,530	105,109	227,030	210,841
Income tax expense (benefit)	32,266	29,837	59,745	57,750
Income after income tax expense	57,702	52,502	107,083	100,738
Income attributable to non-controlling interest	2,684	2,503	4,555	4,220
Preferred stock dividends	0	0	0	0
Net income available to common stockholders	55,018	49,999	102,528	96,518
Total assets	17,430,400	16,659,897	17,430,400	16,659,897
Revenues from external customers:
Interest income	217,022	214,549	431,101	423,781
Non-interest income	60,526	47,191	109,089	98,489
Total	277,548	261,740	540,190	522,270
Operating | Funding
Revenue (expense) from operations:
Net interest income (expense)	50,926	57,422	101,717	114,640
Provision for credit losses	580	789	740	1,044
Non-interest income	52,895	55,969	103,103	107,629
Non-interest expense	108,583	108,304	220,374	216,808
Income tax expense (benefit)	(1,982)	1,628	(5,942)	1,702
Income after income tax expense	(3,360)	2,670	(10,352)	2,715
Income attributable to non-controlling interest	0	0	0	0
Preferred stock dividends	0	0	0	0
Net income available to common stockholders	(3,360)	2,670	(10,352)	2,715
Total assets	7,038,178	8,697,212	7,038,178	8,697,212
Revenues from external customers:
Interest income	6,059	5,542	11,774	10,937
Non-interest income	52,882	55,954	103,077	107,599
Total	58,941	61,496	114,851	118,536
Operating | Support Services
Revenue (expense) from operations:
Net interest income (expense)	49	56	71	54
Provision for credit losses	0	0	0	0
Non-interest income	28,404	34,021	60,361	67,781
Non-interest expense	28,372	32,947	60,938	69,158
Income tax expense (benefit)	(516)	674	(386)	28
Income after income tax expense	597	456	(120)	(1,351)
Income attributable to non-controlling interest	0	0	0	0
Preferred stock dividends	4,847	4,847	9,694	9,694
Net income available to common stockholders	(4,250)	(4,391)	(9,814)	(11,045)
Total assets	187,530	176,026	187,530	176,026
Revenues from external customers:
Interest income	0	0	0	0
Non-interest income	41	871	1,921	1,335
Total	41	871	1,921	1,335
Eliminations
Revenue (expense) from operations:
Net interest income (expense)	(866)	(754)	(1,687)	(1,516)
Provision for credit losses	0	0	0	0
Non-interest income	(28,376)	(33,165)	(58,466)	(66,476)
Non-interest expense	(28,376)	(33,165)	(58,466)	(66,476)
Income tax expense (benefit)	(866)	(754)	(1,687)	(1,516)
Income after income tax expense	0	0	0	0
Income attributable to non-controlling interest	0	0	0	0
Preferred stock dividends	0	0	0	0
Net income available to common stockholders	0	0	0	0
Total assets	(4,829,758)	(6,695,358)	(4,829,758)	(6,695,358)
Revenues from external customers:
Interest income	0	0	0	0
Non-interest income	0	0	0	0
Total	$ 0	$ 0	$ 0	$ 0

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income attributable to TCF Financial Corporation	$ 92,056	$ 97,882
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	25,319	24,401
Depreciation and amortization	74,816	62,122
Proceeds from sales of loans and leases held for sale	412,752	207,456
Gains on sales of assets, net	(42,573)	(38,350)
Net income attributable to non-controlling interest	4,555	4,220
Originations of loans held for sale, net of repayments	(451,836)	(286,182)
Net change in other assets and accrued expenses and other liabilities	52,928	31,816
Other, net	(12,087)	(15,764)
Net cash provided by (used in) operating activities	155,930	87,601
Cash flows from investing activities:
Loan originations and purchases, net of principal collected on loans and leases	(1,064,822)	(897,681)
Purchases of equipment for lease financing	(451,625)	(441,792)
Proceeds from sales of loans	915,865	886,715
Proceeds from sales of lease receivables	15,893	10,289
Proceeds from sales of securities	0	2,519
Purchases of securities	(204,007)	(70,479)
Proceeds from maturities of and principal collected on securities	43,500	25,255
Purchases of Federal Home Loan Bank stock	(75,000)	(47,000)
Redemption of Federal Home Loan Bank stock	82,004	55,928
Proceeds from sales of real estate owned	35,998	33,524
Purchases of premises and equipment	(20,646)	(22,864)
Other, net	15,534	13,412
Net cash provided by (used in) investing activities	(707,306)	(452,174)
Cash flows from financing activities:
Net change in deposits	371,216	600,621
Net change in short-term borrowings	2,969	3,345
Proceeds from long-term borrowings	2,653,143	1,104,999
Payments on long-term borrowings	(2,671,061)	(1,316,734)
Redemption of subordinated debt	0	(50,000)
Net investment by (distribution to) non-controlling interest	1,241	794
Dividends paid on preferred stock	(9,694)	(9,694)
Dividends paid on common stock	(16,523)	(16,309)
Stock compensation tax (expense) benefit	287	763
Common shares sold to TCF employee benefit plans	14,439	13,108
Exercise of stock options	2,570	0
Net cash provided by (used in) financing activities	348,587	330,893
Net change in cash and due from banks	(202,789)	(33,680)
Cash and due from banks at beginning of period	1,115,250	915,076
Cash and due from banks at end of period	912,461	881,396
Cash paid (received) for:
Interest on deposits and borrowings	28,440	25,553
Income taxes, net	(2,181)	58,640
Transfer of loans to other assets	51,638	42,371
Transfer of securities available for sale to securities held to maturity	$ 0	$ 191,665

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Consolidated Statements of Financial Condition (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	30,000,000	30,000,000
Preferred stock, shares issued	4,006,900	4,006,900
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	280,000,000	280,000,000
Common stock, shares issued	169,144,261	167,503,568
Treasury stock at cost, shares	42,566	42,566

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Stock Compensation

6 Months Ended

Jun. 30, 2015

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

Stock Compensation

Stock Compensation

The following table reflects TCF's restricted stock and stock option transactions under the TCF Financial Incentive Stock Program and TCF Financial 2015 Omnibus Incentive Plan during the six months ended June 30, 2015.

	Restricted Stock									Stock Options
	Shares		Price Range					Weighted- Average Grant Date Fair Value		Shares		Price Range					Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price
Outstanding at December 31, 2014	2,858,494		$	6.16	-	$	16.02	$	12.73	1,579,000		$	12.85	-	$	15.75	2.98	$	13.91
Granted	680,933		14.17		-	16.28		14.44		—		—		-	—		—	—
Exercised	—		—		-	—		—		(200,000	)	12.85		-	12.85		—	12.85
Forfeited/canceled	(129,747	)	6.80		-	15.96		13.18		—		—		-	—		—	—
Vested	(188,944	)	9.65		-	15.96		13.10		—		—		-	—		—	—
Outstanding at June 30, 2015	3,220,736		6.16		-	16.28		13.05		1,379,000		12.85		-	15.75		2.67	14.07
Exercisable at June 30, 2015	N.A.							N.A.		1,379,000		12.85		-	15.75			14.07

N.A. Not Applicable.

Unrecognized stock compensation expense for restricted stock awards and options was $26.9 million, excluding estimated forfeitures, with a weighted-average remaining amortization period of 2.6 years at June 30, 2015.

At June 30, 2015, there were 1,100,000 shares of performance-based restricted stock outstanding that will vest only if certain return on asset goals and service conditions are achieved. Failure to achieve the performance and service conditions will result in all or a portion of the shares being forfeited.

Valuation and related assumption information for TCF's stock option plans related to options issued in 2008 have not changed from December 31, 2014 and no stock options were subsequently issued through June 30, 2015.

In April 2015, TCF stockholders approved the TCF Financial 2015 Omnibus Incentive Plan, which replaces the Incentive Stock Program. This plan authorized new performance-based restricted stock units to certain executives that were approved by the Compensation Committee of the TCF Board of Directors. The performance-based restricted stock units are subject to TCF’s relative total stockholder return for the period beginning January 1, 2015 through December 31, 2017, as measured against the peer group, which includes all publicly-traded banks and thrift institutions with assets between $10.0 billion and $50.0 billion as of September 30, 2014, excluding peers which do not remain publicly traded for the full three-year performance period. The number of restricted stock units granted was 71,404 at target and the actual restricted stock units granted will depend on actual performance with a maximum total payout of 150% of target.

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Jul. 29, 2015
Document and Entity Information
Entity Registrant Name	TCF FINANCIAL CORP
Entity Central Index Key	0000814184
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		169,214,437
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following tables set forth 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 and six months ended June 30, 2015 and 2014.

	Pension Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	304		$	397		$	608		$	794
Return on plan assets	(160		)	(183		)	(320		)	(366		)
Net periodic benefit plan (income) cost	$	144		$	214		$	288		$	428

	Postretirement Plan
	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	2015			2014			2015			2014
Interest cost	$	38		$	50		$	76		$	99
Amortization of prior service cost	(11		)	(11		)	(23		)	(23		)
Net periodic benefit plan (income) cost	$	27		$	39		$	53		$	76

TCF made no cash contributions to the Pension Plan in either of the six months ended June 30, 2015 or 2014. During the three and six months ended June 30, 2015 and 2014, TCF paid $0.1 million and $0.2 million, respectively, for benefits of the Postretirement Plan.

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Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income:
Loans and leases	$ 207,164	$ 206,788	$ 413,140	$ 409,325
Securities available for sale	3,543	2,805	6,623	5,968
Securities held to maturity	1,384	1,443	2,789	2,407
Investments and other	10,990	9,055	20,323	17,018
Total interest income	223,081	220,091	442,875	434,718
Interest expense:
Deposits	11,080	8,877	22,152	16,914
Borrowings	5,972	5,113	11,274	10,429
Total interest expense	17,052	13,990	33,426	27,343
Net interest income	206,029	206,101	409,449	407,375
Provision for credit losses	12,528	9,909	25,319	24,401
Net interest income after provision for credit losses	193,501	196,192	384,130	382,974
Non-interest income:
Fees and service charges	36,295	38,035	70,267	74,654
Card revenue	13,902	13,249	26,803	25,499
ATM revenue	5,540	5,794	10,662	11,113
Subtotal	55,737	57,078	107,732	111,266
Gains on sales of auto loans, net	10,756	7,270	17,021	15,740
Gains on sales of consumer real estate loans, net	11,954	8,151	20,717	19,857
Servicing fee income	7,216	4,892	14,558	9,199
Subtotal	29,926	20,313	52,296	44,796
Leasing and equipment finance	26,385	23,069	48,609	45,049
Other	1,460	2,789	5,587	5,171
Fees and other revenue	113,508	103,249	214,224	206,282
Gains (losses) on securities, net	(59)	767	(137)	1,141
Total non-interest income	113,449	104,016	214,087	207,423
Non-interest expense:
Compensation and employee benefits	116,159	109,664	231,974	224,753
Occupancy and equipment	36,152	34,316	72,979	69,155
FDIC insurance	4,864	7,625	10,257	15,188
Operating lease depreciation	8,582	6,613	16,316	12,840
Advertising and marketing	5,150	6,245	11,673	12,141
Other	45,887	42,618	94,020	83,953
Subtotal	216,794	207,081	437,219	418,030
Foreclosed real estate and repossessed assets, net	6,377	5,743	12,573	11,811
Other credit costs, net	(62)	371	84	490
Total non-interest expense	223,109	213,195	449,876	430,331
Income before income tax expense	83,841	87,013	148,341	160,066
Income tax expense	28,902	31,385	51,730	57,964
Income after income tax expense	54,939	55,628	96,611	102,102
Income attributable to non-controlling interest	2,684	2,503	4,555	4,220
Net income attributable to TCF Financial Corporation	52,255	53,125	92,056	97,882
Preferred stock dividends	4,847	4,847	9,694	9,694
Net income available to common stockholders	$ 47,408	$ 48,278	$ 82,362	$ 88,188
Net income per common share:
Basic (in dollars per share)	$ 0.29	$ 0.30	$ 0.50	$ 0.54
Diluted (in dollars per share)	$ 0.29	$ 0.29	$ 0.50	$ 0.54

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Allowance for Loan and Lease Losses and Credit Quality Information

6 Months Ended

Jun. 30, 2015

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 following tables provide the allowance for loan and lease losses and other related information. TCF's key credit quality indicator is the receivable's payment performance status, defined as accruing or non-accruing.

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	80,292		$	32,121		$	17,921		$	12,409		$	20,426		$	630		$	163,799
Charge-offs	(11,558		)	(2,581		)	(1,988		)	(821		)	(4,388		)	(1,648		)	(22,984		)
Recoveries	1,869			967			518			198			728			1,226			5,506
Net (charge-offs) recoveries	(9,689		)	(1,614		)	(1,470		)	(623		)	(3,660		)	(422		)	(17,478		)
Provision for credit losses	5,061			(302		)	1,218			(951		)	7,096			406			12,528
Other	(977		)	—			—			44			(1,801		)	—			(2,734		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	169,367		$	36,062		$	18,623		$	10,309		$	12,062		$	623		$	247,046
Charge-offs	(13,012		)	(3,721		)	(1,875		)	(183		)	(2,191		)	(1,993		)	(22,975		)
Recoveries	1,555			244			902			76			358			1,485			4,620
Net (charge-offs) recoveries	(11,457		)	(3,477		)	(973		)	(107		)	(1,833		)	(508		)	(18,355		)
Provision for credit losses	4,106			(1,168		)	1,534			(752		)	5,521			668			9,909
Other	(667		)	(56		)	—			89			(1,885		)	—			(2,519		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	85,361		$	31,367		$	18,446		$	10,020		$	18,230		$	745		$	164,169
Charge-offs	(20,764		)	(3,457		)	(3,864		)	(1,349		)	(8,349		)	(3,325		)	(41,108		)
Recoveries	3,794			2,364			1,503			307			1,338			2,787			12,093
Net (charge-offs) recoveries	(16,970		)	(1,093		)	(2,361		)	(1,042		)	(7,011		)	(538		)	(29,015		)
Provision for credit losses	7,880			(69		)	1,584			2,081			13,436			407			25,319
Other	(1,584		)	—			—			(180		)	(2,594		)	—			(4,358		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	176,030		$	37,467		$	18,733		$	8,592		$	10,623		$	785		$	252,230
Charge-offs	(27,567		)	(5,366		)	(3,410		)	(350		)	(4,724		)	(3,895		)	(45,312		)
Recoveries	3,407			379			1,688			377			615			3,075			9,541
Net (charge-offs) recoveries	(24,160		)	(4,987		)	(1,722		)	27			(4,109		)	(820		)	(35,771		)
Provision for credit losses	11,185			(1,048		)	2,173			925			10,348			818			24,401
Other	(1,706		)	(71		)	—			(5		)	(2,997		)	—			(4,779		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081

The following tables provide information regarding the allowance for loan and lease losses and balances by type of allowance methodology.

	At June 30, 2015
(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	$	48,378	$	29,725	$	16,196	$	10,653	$	20,313	$	610	$	125,875
Individually evaluated for impairment	26,309		480		1,473		226		1,748		4		30,240
Total	$	74,687	$	30,205	$	17,669	$	10,879	$	22,061	$	614	$	156,115
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,325,743	$	3,028,092	$	3,778,547	$	2,103,188	$	2,295,235	$	21,833	$	16,552,638
Individually evaluated for impairment	218,286		84,252		12,590		2,899		6,438		19		324,484
Loans acquired with deteriorated credit quality	—		—		78		—		41		—		119
Total	$	5,544,029	$	3,112,344	$	3,791,215	$	2,106,087	$	2,301,714	$	21,852	$	16,877,241

	At December 31, 2014
(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	$	57,167	$	27,594	$	16,310	$	9,627	$	17,046	$	741	$	128,485
Individually evaluated for impairment	28,194		3,773		2,136		393		1,184		4		35,684
Total	$	85,361	$	31,367	$	18,446	$	10,020	$	18,230	$	745	$	164,169
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,462,005	$	3,038,378	$	3,731,420	$	1,874,481	$	1,911,267	$	24,055	$	16,041,606
Individually evaluated for impairment	220,359		119,287		13,763		2,609		3,676		89		359,783
Loans acquired with deteriorated credit quality	—		—		139		—		118		—		257
Total	$	5,682,364	$	3,157,665	$	3,745,322	$	1,877,090	$	1,915,061	$	24,144	$	16,401,646

Accruing and Non-accrual Loans and Leases  The following tables set forth information regarding TCF's accruing and non-accrual loans and leases. 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.

	At June 30, 2015
(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	$	2,724,576	$	9,033	$	1,207	$	2,734,816	$	131,095	$	2,865,911
Junior lien	2,639,364		1,995		—		2,641,359		36,759		2,678,118
Total consumer real estate	5,363,940		11,028		1,207		5,376,175		167,854		5,544,029
Commercial:
Commercial real estate	2,519,036		—		—		2,519,036		16,758		2,535,794
Commercial business	576,195		1		—		576,196		354		576,550
Total commercial	3,095,231		1		—		3,095,232		17,112		3,112,344
Leasing and equipment finance	3,776,725		2,147		274		3,779,146		11,440		3,790,586
Inventory finance	2,103,096		45		50		2,103,191		2,896		2,106,087
Auto finance	2,292,800		1,735		732		2,295,267		6,405		2,301,672
Other	21,824		12		13		21,849		3		21,852
Subtotal	16,653,616		14,968		2,276		16,670,860		205,710		16,876,570
Portfolios acquired with deteriorated credit quality	668		—		3		671		—		671
Total	$	16,654,284	$	14,968	$	2,279	$	16,671,531	$	205,710	$	16,877,241

	At December 31, 2014
(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	$	2,987,992	$	13,176	$	194	$	3,001,362	$	137,790	$	3,139,152
Junior lien	2,505,640		2,091		—		2,507,731		35,481		2,543,212
Total consumer real estate	5,493,632		15,267		194		5,509,093		173,271		5,682,364
Commercial:
Commercial real estate	2,599,701		—		—		2,599,701		24,554		2,624,255
Commercial business	532,929		—		—		532,929		481		533,410
Total commercial	3,132,630		—		—		3,132,630		25,035		3,157,665
Leasing and equipment finance	3,728,115		2,242		307		3,730,664		12,670		3,743,334
Inventory finance	1,874,933		49		26		1,875,008		2,082		1,877,090
Auto finance	1,907,005		2,785		1,478		1,911,268		3,676		1,914,944
Other	24,144		—		—		24,144		—		24,144
Subtotal	16,160,459		20,343		2,005		16,182,807		216,734		16,399,541
Portfolios acquired with deteriorated credit quality	2,017		83		5		2,105		—		2,105
Total	$	16,162,476	$	20,426	$	2,010	$	16,184,912	$	216,734	$	16,401,646

The following table provides 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.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(In thousands)	2015		2014		2015		2014
Contractual interest due on non-accrual loans and leases	$	5,341	$	6,359	$	10,564	$	13,549
Interest income recognized on non-accrual loans and leases	986		2,395		2,298		3,904
Unrecognized interest income	$	4,355	$	3,964	$	8,266	$	9,645

The following table provides information regarding consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged. 

(In thousands)	At June 30, 2015		At December 31, 2014
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	33,726	$	47,731
60+ days delinquent and accruing	—		247
Non-accrual	19,006		12,284
Total consumer real estate loans to customers in bankruptcy	$	52,732	$	60,262

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. TDR loans consist primarily of consumer real estate and commercial loans.

Total TDR loans at June 30, 2015 and December 31, 2014 were $256.9 million and $298.5 million, respectively, of which $155.8 million and $193.8 million were accruing. TCF held consumer real estate TDR loans of $194.6 million and $199.6 million at June 30, 2015 and December 31, 2014, respectively, of which $110.3 million and $111.9 million were accruing. TCF also held $54.2 million and $91.6 million of commercial TDR loans at June 30, 2015 and December 31, 2014, respectively, of which $44.5 million and $80.4 million were accruing. TDR loans for the remaining classes of finance receivables were not material at June 30, 2015 or December 31, 2014.

The amount of unfunded commitments to commercial and consumer real estate loans classified as TDRs was $1.9 million and $3.9 million at June 30, 2015 and December 31, 2014, respectively. At June 30, 2015 and December 31, 2014, no additional funds were committed to leasing and equipment finance, inventory finance or auto finance loans classified as TDRs.

When a loan is modified as a TDR, principal balances are generally not forgiven. Loan modifications to troubled borrowers are not reported as TDR loans in the calendar year after modification if the loans were modified at an interest rate equal to the yields of new loan originations with comparable risk and the loans are performing based on the terms of the restructured agreements. All loans classified as TDR loans are considered to be impaired. During the six months ended June 30, 2015 and 2014, $9.0 million and $11.1 million, respectively, of commercial loans were removed from TDR status as they were restructured at market terms and are performing.

The financial effects of TDR loans represent the difference between interest income recognized on accruing TDR loans and the contractual interest that would have been recorded under the original contractual terms, or foregone interest income. For the three months ended June 30, 2015, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $0.6 million and $0.2 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 4.1%, which compares to the original contractual average rate of 6.7%. For the three months ended June 30, 2014, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $4.3 million and $0.3 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 3.3%, which compares to the original contractual average rate of 6.8%. The foregone interest income for the remaining classes of finance receivables was not material for the three months ended June 30, 2015 and 2014.

For the six months ended June 30, 2015, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $1.1 million and $0.4 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 4.0%, which compares to the original contractual average rate of 6.6%. For the six months ended June 30, 2014, foregone interest income for consumer real estate first mortgage lien accruing TDR loans and consumer real estate junior lien accruing TDR loans was $8.6 million and $0.6 million, respectively. The average yield for the same period on consumer real estate accruing TDR loans was 3.3%, which compares to the original contractual average rate of 6.8%. The foregone interest income for the remaining classes of finance receivables was not material for the six months ended June 30, 2015 and 2014.

The table below summarizes TDR loans that defaulted during the three and six months ended June 30, 2015 and 2014, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. TCF considers a loan to have defaulted when it becomes 90 or more days delinquent under the modified terms, has been transferred to non-accrual status subsequent to the modification or has been transferred to other real estate owned or repossessed and returned assets.

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2015			2014			2015			2014
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	1,054		$	561		$	1,297		$	2,056
Junior lien	197			662			486			1,642
Total consumer real estate	1,251			1,223			1,783			3,698
Commercial real estate	—			1,023			—			3,814
Inventory finance	—			7			—			7
Auto finance	202			66			383			125
Defaulted TDR loans modified during the applicable period	$	1,453		$	2,319		$	2,166		$	7,644
Total TDR loans modified in the applicable period	$	71,641		$	136,171		$	78,986		$	248,273
Defaulted modified TDR loans as a percent of total TDR loans modified in the applicable period	2.0		%	1.7		%	2.7		%	3.1		%

(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 or the fair value of the collateral less selling expenses for collateral dependent loans. The allowance on accruing consumer real estate TDR loans was $20.3 million, or 18.4% of the outstanding balance, at June 30, 2015, and $20.4 million, or 18.2% of the outstanding balance, at December 31, 2014. In determining impairment for consumer real estate accruing TDR loans, TCF utilized assumed remaining re-default rates ranging from 6% to 20% in 2015 and 4% to 22% in 2014, depending on modification type and actual experience. At June 30, 2015, 1.5% of accruing consumer real estate TDR loans were more than 60 days delinquent, compared with 2.4% at December 31, 2014.

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 June 30, 2015, $52.8 million, or 62.6%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed by the borrower, of which 73.8% were current. Of the non-accrual TDR balance at December 31, 2014, $50.0 million, or 57.0%, were loans discharged in Chapter 7 bankruptcy that were not reaffirmed, of which 68.4% 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, or for collateral dependent loans, at the fair value of collateral less selling expense. The allowance on accruing commercial TDR loans was $0.1 million, or 0.3% of the outstanding balance, at June 30, 2015, and $1.4 million, or 1.7% of the outstanding balance, at December 31, 2014. No accruing commercial TDR loans were 60 days or more delinquent at June 30, 2015 and December 31, 2014.

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.

The following table summarizes impaired loans.

	At June 30, 2015						At December 31, 2014
(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	$	152,706	$	127,790	$	19,260	$	114,526	$	101,668	$	18,140
Junior lien	72,801		61,225		7,028		65,413		55,405		9,427
Total consumer real estate	225,507		189,015		26,288		179,939		157,073		27,567
Commercial:
Commercial real estate	23,692		20,493		477		58,157		54,412		3,772
Commercial business	21		19		3		18		18		1
Total commercial	23,713		20,512		480		58,175		54,430		3,773
Leasing and equipment finance	6,179		6,179		646		8,257		8,257		1,457
Inventory finance	2,436		2,439		226		1,754		1,758		393
Auto finance	4,596		4,431		1,673		3,074		2,928		1,184
Other	17		19		4		92		89		4
Total impaired loans with an allowance recorded	262,448		222,595		29,317		251,291		224,535		34,378
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	9,542		5,568		—		53,606		35,147		—
Junior lien	25,635		20		—		33,796		7,398		—
Total consumer real estate	35,177		5,588		—		87,402		42,545		—
Commercial:
Commercial real estate	46,538		40,743		—		57,809		50,500		—
Commercial business	354		354		—		482		480		—
Total commercial	46,892		41,097		—		58,291		50,980		—
Inventory finance	456		460		—		848		851		—
Auto finance	2,108		1,198		—		1,484		748		—
Total impaired loans without an allowance recorded	84,633		48,343		—		148,025		95,124		—
Total impaired loans	$	347,081	$	270,938	$	29,317	$	399,316	$	319,659	$	34,378

The average loan balance of impaired loans and interest income recognized on impaired loans during the three and six months ended June 30, 2015 and 2014 are included within the table below.

	Three Months Ended								Six Months Ended
	June 30, 2015				June 30, 2014				June 30, 2015				June 30, 2014
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	115,432	$	1,340	$	518,048	$	3,879	$	114,729	$	2,458	$	518,031	$	7,632
Junior lien	58,827		788		72,968		885		58,315		1,540		72,689		1,793
Total consumer real estate	174,259		2,128		591,016		4,764		173,044		3,998		590,720		9,425
Commercial:
Commercial real estate	28,140		212		61,985		617		37,452		603		65,179		1,237
Commercial business	18		—		2,245		—		19		—		3,012		—
Total commercial	28,158		212		64,230		617		37,471		603		68,191		1,237
Leasing and equipment finance	7,066		2		7,955		46		7,218		8		8,249		52
Inventory finance	5,516		42		904		42		2,099		49		4,009		71
Auto finance	3,980		—		670		—		3,680		—		571		—
Other	19		1		85		2		53		1		90		3
Total impaired loans with an allowance recorded	218,998		2,385		664,860		5,471		223,565		4,659		671,830		10,788
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	19,115		322		38,552		420		20,358		781		40,996		735
Junior lien	3,266		541		3,497		272		3,709		995		3,600		539
Total consumer real estate	22,381		863		42,049		692		24,067		1,776		44,596		1,274
Commercial:
Commercial real estate	42,003		372		69,766		646		45,622		1,167		73,508		1,438
Commercial business	404		5		6,620		42		417		5		6,122		77
Total commercial	42,407		377		76,386		688		46,039		1,172		79,630		1,515
Inventory finance	662		43		772		35		655		55		566		45
Auto finance	1,077		—		492		—		973		—		398		—
Total impaired loans without an allowance recorded	66,527		1,283		119,699		1,415		71,734		3,003		125,190		2,834
Total impaired loans	$	285,525	$	3,668	$	784,559	$	6,886	$	295,299	$	7,662	$	797,020	$	13,622

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Loans and Leases

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Loans and Leases

Loans and Leases

Loans and leases consisted of the following.

(Dollars in thousands)	At June 30, 2015		At December 31, 2014		Percent Change
Consumer real estate:
First mortgage lien	$	2,865,911	$	3,139,152	(8.7	)%
Junior lien	2,678,118		2,543,212		5.3
Total consumer real estate	5,544,029		5,682,364		(2.4	)
Commercial:
Commercial real estate:
Permanent	2,230,554		2,382,144		(6.4	)
Construction and development	305,240		242,111		26.1
Total commercial real estate	2,535,794		2,624,255		(3.4	)
Commercial business	576,550		533,410		8.1
Total commercial	3,112,344		3,157,665		(1.4	)
Leasing and equipment finance	3,791,215		3,745,322		1.2
Inventory finance	2,106,087		1,877,090		12.2
Auto finance	2,301,714		1,915,061		20.2
Other	21,852		24,144		(9.5	)
Total loans and leases(1)	$	16,877,241	$	16,401,646	2.9

(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 $50.7 million and $43.4 million at June 30, 2015 and December 31, 2014, respectively.

The consumer real estate junior lien portfolio was comprised of $2.3 billion of home equity lines of credit ("HELOCs") and $383.2 million of amortizing junior lien mortgage loans at June 30, 2015, compared with $2.1 billion and $424.4 million at December 31, 2014, respectively. At June 30, 2015 and December 31, 2014, $1.6 billion and $1.3 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 June 30, 2015 and December 31, 2014, $733.7 million and $816.0 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 June 30, 2015, 18.3% of these loans mature prior to 2021.

During the six months ended June 30, 2015 and 2014, TCF sold $639.9 million and $481.9 million, respectively, of consumer auto loans with servicing retained, received cash of $664.3 million and $492.1 million, respectively, and recognized net gains of $17.9 million and $16.2 million, respectively. Related to these sales, TCF retained interest-only strips of $0 and $8.2 million for the six months ended June 30, 2015 and 2014, respectively. Total interest-only strips related to sales of auto loans totaled $35.2 million and $48.6 million at June 30, 2015 and December 31, 2014, respectively. TCF recorded impairment charges on these interest-only strips of $0.5 million and $1.2 million during the six months ended June 30, 2015 and 2014, respectively, primarily as a result of higher prepayments than originally assumed. Contractual liabilities related to sales of auto loans totaled $0.4 million and $0.7 million at June 30, 2015 and December 31, 2014, respectively. No servicing assets or liabilities related to consumer auto 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. TCF's managed auto loan portfolio, which includes portfolio loans, loans held for sale and loans sold and serviced for others, totaled $4.4 billion and $3.8 billion at June 30, 2015 and December 31, 2014, respectively.

In June 2015, TCF transferred consumer auto loans totaling $436.4 million with servicing retained to a trust in a securitization transaction, received cash proceeds of $453.8 million and recognized gains of $11.2 million, which qualified for sale accounting and is included in the amounts above. This trust is considered a variable interest entity due to its limited capitalization and special purpose nature, however TCF does not have a variable interest in the trust. Therefore, TCF is not the primary beneficiary of the trust and it is not consolidated.

During the six months ended June 30, 2015 and 2014, TCF sold $629.3 million and $571.6 million, respectively, of consumer real estate loans, received cash of $647.9 million and $585.4 million, respectively, and recognized net gains of $20.0 million and $19.7 million, respectively. Included in the consumer real estate loans sold was $136.3 million of first mortgage loans related to the correspondent lending program during the first six months of 2015, resulting in net gains of $3.0 million during the same period. There were no loans sold related to the correspondent lending program during the first six months of 2014. The majority of consumer real estate loans sold are junior lien loans. Related to the sales of consumer real estate loans, TCF retained interest-only strips of $4.2 million and $9.1 million for the six months ended June 30, 2015 and 2014, respectively. Total interest-only strips related to sales of consumer real estate loans totaled $20.7 million and $21.2 million at June 30, 2015 and December 31, 2014, respectively. TCF had no impairment charges on these interest-only strips for the six months ended June 30, 2015 and 2014. Contractual liabilities related to sales of consumer real estate loans totaled $0.8 million and $0.6 million at June 30, 2015 and December 31, 2014, respectively. No servicing assets or liabilities related to consumer real estate 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. TCF's managed consumer real estate loan portfolio, which includes portfolio loans, loans held for sale and loans sold and serviced for others, totaled $7.2 billion and $7.1 billion at June 30, 2015 and December 31, 2014, respectively.

TCF's agreements to sell auto and consumer real estate loans typically contain certain representations and warranties regarding the loans sold. These representations and warranties 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, the loan's compliance with the criteria set forth in the agreement, payment delinquency and compliance with applicable laws and regulations. TCF may be required to repurchase loans in the event of an unremedied breach of these representations or warranties. During the six months ended June 30, 2015 and 2014, losses related to repurchases pursuant to such representations and warranties were immaterial. The majority of such repurchases were of consumer auto 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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Litigation Contingencies

6 Months Ended

Jun. 30, 2015

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 enforcement actions brought by federal regulators, including the Securities and Exchange Commission (“SEC”), the Federal Reserve, the OCC and the Consumer Financial Protection Bureau. 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. 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. TCF is also subject to regulatory examinations, and TCF’s regulatory authorities may impose sanctions on TCF for failures related to regulatory compliance.

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Derivative Instruments

6 Months Ended

Jun. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

All derivative instruments are recognized within other assets or other liabilities at fair value within the Consolidated Statements of Financial Condition. The value of derivative instruments will vary over their contractual terms as the related underlying rates fluctuate. The accounting for changes in the fair value of a derivative instrument depends on whether or not the contract has been designated and qualifies as a hedge. To qualify as a hedge, a contract must be highly effective at reducing the risk associated with the exposure being hedged. In addition, for a contract to be designated as a hedge, the risk management objective and strategy must be documented at inception. Hedge documentation must also identify the hedging instrument, the asset or liability and type of risk to be hedged and how the effectiveness of the contract is assessed prospectively and retrospectively. To assess effectiveness, TCF uses statistical methods such as regression analysis. A contract that has been, and is expected to continue to be, effective at offsetting changes in fair values or the net investment must be assessed and documented at least quarterly. If it is determined that a contract is not highly effective at hedging the designated exposure, hedge accounting is discontinued.

Upon origination of a derivative instrument, the contract is designated either as a hedge of the volatility of an investment in foreign operations driven by changes in foreign currency exchange rates ("net investment hedge"), a hedge of the exposure to changes in the fair value of an asset or liability due to changes in market risk ("fair value hedge"), or is not designated as a hedge. Changes in net investment hedges recorded within other comprehensive income (loss) are subsequently reclassified to non-interest expense during the period in which the foreign investment is substantially liquidated or when other elements of the currency translation adjustment are reclassified to income.

Net Investment Hedges  Forward foreign exchange contracts, that generally settle within 30 days, are used to manage the foreign exchange risk associated with the Company's net investment in TCF Commercial Finance Canada, Inc., a wholly-owned indirect Canadian subsidiary of TCF Bank.

Fair Value Hedges During the first quarter of 2015, TCF Bank entered into an interest rate swap related to its contemporaneously issued subordinated debt, which settles through a central clearing house. The swap was designated as a fair value hedge and effectively converts the fixed interest rate to a floating rate based on three-month London InterBank Offered Rate ("LIBOR") plus a fixed number of basis points on the $150.0 million notional amount through February 27, 2025, the maturity date of the subordinated debt. In exchange, TCF Bank will receive 4.60% fixed-rate interest from the swap counterparty.

The interest rate swap substantially offsets the change in fair value of the hedged underlying debt that is attributable to the changes in market risk. The gains and losses related to changes in the fair value of the interest rate swap are reflected in non-interest income.

Derivatives Not Designated as Hedges  TCF executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies. Those interest rate swaps are simultaneously hedged with offsetting interest rate swaps that TCF executes with a third party and settles through a central clearing house, minimizing TCF's net risk exposure resulting from such transactions. As the interest rate swaps associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are reflected in non-interest income. These contracts have original fixed maturity dates ranging from three to seven years.

During the second quarter of 2012, TCF sold its Visa^® Class B stock. In conjunction with the sale, TCF and the purchaser entered into a derivative transaction whereby TCF may receive or be required to make cash payments whenever the conversion ratio of the Visa Class B stock into Visa Class A stock is adjusted. The fair value of this derivative has been determined using estimated future cash flows using probability weighted scenarios for multiple estimates of Visa's aggregate exposure to covered litigation matters, which include consideration of amounts funded by Visa into its escrow account for the covered litigation matters. Changes, if any, in the valuation of this swap agreement, which has no determinable maturity date, are reflected in non-interest income.

Certain of TCF's forward foreign exchange contracts are not designated as hedges and are generally settled within 30 days. Changes in the fair value of these forward foreign exchange contracts are reflected in non-interest expense.

TCF enters into interest rate lock commitments in conjunction with certain consumer real estate loans. These interest rate lock commitments are agreements to extend credit under certain specified terms and conditions at fixed rates and have original lock expirations of up to 60 days. They are not designated as hedges and accordingly, changes in the valuation of these commitments are reflected in non-interest income.

The following tables summarize TCF's outstanding derivative instruments as of June 30, 2015 and December 31, 2014. See Note 13, Fair Value Disclosures, for additional information.

	At June 30, 2015
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	45,857	$	144	$	—		$	144
Derivatives not designated as hedges:
Forward foreign exchange contracts	408,953		4,984		—			4,984
Interest rate contracts	91,729		1,722		—			1,722
Interest rate lock commitments	26,145		455		—			455
Total derivative assets			$	7,305	$	—		$	7,305
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	4,267	$	(4,267	)	$	—
Derivatives not designated as hedges:
Interest rate contracts	91,729		1,787		(1,787		)	—
Other contracts	13,804		465		(465		)	—
Total derivative liabilities			$	6,519	$	(6,519	)	$	—
	At December 31, 2014
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	42,165	$	509	$	—		$	509
Derivatives not designated as hedges:
Forward foreign exchange contracts	275,962		2,702		(1,179		)	1,523
Interest rate contracts	101,166		1,798		—			1,798
Interest rate lock commitments	15,124		285		—			285
Total derivative assets			$	5,294	$	(1,179	)	$	4,115
Derivative Liabilities:
Derivatives not designated as hedges:
Forward foreign exchange contracts	$	189,310	$	177	$	(29	)	$	148
Interest rate contracts	101,166		1,877		(1,877		)	—
Other contracts	13,804		621		(621		)	—
Total derivative liabilities			$	2,675	$	(2,527	)	$	148

(1)  All amounts were offset in the Consolidated Statements of Financial Condition.

The following table summarizes the pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income.

		Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	Income Statement Location	2015			2014			2015			2014
Consolidated Statements of Income
Fair value hedges:
Interest rate contracts	Non-interest income	$	(5,541	)	$	—		$	(4,267	)	$	—
Non-derivative hedged items	Non-interest income	4,690			—			3,563			—
Not designated as hedges:
Forward foreign exchange contracts	Non-interest expense	(8,168		)	(15,848		)	29,292			(651		)
Interest rate lock commitments	Non-interest income	(135		)	—			170			—
Interest rate contracts	Non-interest income	41			(30		)	20			(50		)
Net realized gain (loss)		$	(9,113	)	$	(15,878	)	$	28,778		$	(701	)
Consolidated Statements of Comprehensive Income
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(674	)	$	(1,382	)	$	2,914		$	(172	)
Net unrealized gain (loss)		$	(674	)	$	(1,382	)	$	2,914		$	(172	)

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 June 30, 2015, credit risk-related contingent features existed on forward foreign exchange contracts with a notional value of $124.0 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 $2.5 million in additional collateral. There were no forward foreign exchange contracts containing credit risk-related features in a net liability position at June 30, 2015.

At June 30, 2015, TCF had posted $13.9 million, $1.4 million and $0.6 million of cash collateral related to its interest rate contracts, other contracts and forward foreign exchange contracts, respectively.

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Long-term Borrowings

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Long-term Borrowings

Long-term Borrowings

Long-term borrowings consisted of the following.

		At June 30, 2015								At December 31, 2014
(Dollars in thousands)	Stated Maturity	Amount			Stated Rate					Amount		Stated Rate
Federal Home Loan Bank advances	2015									$	125,000	0.37	%	-	0.38	%
	2016	$	447,000		0.36	%	-	1.17	%	547,000		0.25		-	1.17
	2017	325,000			0.23		-	0.24		275,000					0.25
Subtotal		772,000								947,000
Subordinated bank notes	2016	74,962						5.50		74,930					5.50
	2022	109,238						6.25		109,194					6.25
	2025	149,088						4.60		—					—
Hedge-related basis adjustment(1)		(3,563		)						—
Subtotal		329,725								184,124
Discounted lease rentals	2015	19,630			2.39		-	7.95		32,904		2.39		-	7.95
	2016	35,165			2.39		-	7.95		27,539		2.39		-	7.95
	2017	28,470			2.45		-	7.95		20,580		2.45		-	7.95
	2018	14,879			2.53		-	7.95		9,032		2.63		-	7.95
	2019	5,070			2.53		-	5.05		2,589		2.63		-	5.05
	2020	324			3.04		-	4.57		160					4.57
	2021	83						4.57		83					4.57
Subtotal		103,621								92,887
Other long-term	2015									2,670					1.36
	2016	2,648						1.36		2,642					1.36
	2017	2,742						1.36		2,742					1.36
Subtotal		5,390								8,054
Total long-term borrowings		$	1,210,736							$	1,232,065

(1) Related to subordinated bank notes with a stated maturity of 2025 at June 30, 2015.

At June 30, 2015, TCF Bank had pledged loans secured by residential and commercial real estate and Federal Home Loan Bank ("FHLB") stock with an aggregate carrying value of $4.9 billion as collateral for FHLB advances. At June 30, 2015, $325.0 million of FHLB advances outstanding were prepayable monthly at TCF's option.

On February 27, 2015, TCF Bank issued $150.0 million of subordinated notes due February 27, 2025 with a fixed-rate coupon of 4.60% per annum (the "2025 Notes"), at a price to investors of 99.375%. In addition, TCF Bank incurred issuance costs of $1.4 million. Both the discount and issuance costs are amortized as interest expense over the respective term of the notes using the effective interest method. Interest is payable semi-annually, in arrears, on February 27 and August 27, commencing August 27, 2015. Simultaneously, TCF Bank entered into an interest rate swap with a total notional amount of $150.0 million designated as a fair value hedge of the 2025 Notes. See Note 12 of Notes to Consolidated Financial Statements, Derivative Instruments, for additional information regarding the interest rate swap.

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Derivative Instruments (Details 3) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	$ (9,113,000)	$ (15,878,000)	$ 28,778,000	$ (701,000)
Net investment hedges:
Net unrealized gain	(674,000)	(1,382,000)	2,914,000	(172,000)
Credit risk-related contingent features
Forward foreign exchange contracts with credit risk-related contingent features, notional value	124,000,000		124,000,000
Additional collateral required, if TCF was rated less than BB- by Standard and Poor's	2,500,000		2,500,000
Forward foreign exchange contracts with credit risk-related contingent features, net liability amount	0		0
Designated as Hedges | Net Investment Hedges
Net investment hedges:
Net investment hedge	(674,000)	(1,382,000)	2,914,000	(172,000)
Net Realized Gain (Loss) On Derivative Instruments Recognized In Non-Interest Income | Designated as Hedges | Fair Value Hedging
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	4,690,000	0	3,563,000	0
Interest Rate Contract | Net Realized Gain (Loss) On Derivative Instruments Recognized In Non-Interest Income | Designated as Hedges | Fair Value Hedging
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	(5,541,000)	0	(4,267,000)	0
Interest Rate Contract | Net Realized Gain (Loss) On Derivative Instruments Recognized In Non-Interest Income | Not Designated as Hedges
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	41,000	(30,000)	20,000	(50,000)
Foreign Exchange Forward | Net Realized Gain (Loss) On Derivative Instruments Recognized In Non-Interest Expense | Not Designated as Hedges
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	(8,168,000)	(15,848,000)	29,292,000	(651,000)
Interest Rate Lock Commitments | Net Realized Gain (Loss) On Derivative Instruments Recognized In Non-Interest Income | Not Designated as Hedges
Derivatives instruments, gain (loss)
Derivative, Gain (Loss) on Derivative, Net	$ (135,000)	$ 0	$ 170,000	$ 0

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Deposits

6 Months Ended

Jun. 30, 2015

Deposits [Abstract]

Deposits

Deposits

Deposits consisted of the following.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Weighted-Average Rate		Amount		% of Total		Weighted-Average Rate		Amount		% of Total
Checking:
Non-interest bearing	—	%	$	3,007,406	19.0	%	—	%	$	2,832,526	18.3	%
Interest bearing	0.02		2,368,412		15.0		0.04		2,362,717		15.3
Total checking	0.01		5,375,818		34.0		0.02		5,195,243		33.6
Savings	0.08		4,968,398		31.4		0.15		5,212,320		33.7
Money market	0.64		2,286,773		14.4		0.54		1,993,130		13.0
Total checking, savings and money market	0.14		12,630,989		79.8		0.13		12,400,693		80.3
Certificates of deposit	0.85		3,196,230		20.2		0.78		3,049,189		19.7
Total deposits	0.28		$	15,827,219	100.0	%	0.26		$	15,449,882	100.0	%

Certificates of deposit had the following remaining maturities at June 30, 2015.

(In thousands)	Denominations  $100 Thousand or Greater		Denominations Less Than  $100 Thousand		Total
Maturity:
0-3 months	$	138,773	$	240,910	$	379,683
4-6 months	223,143		303,873		527,016
7-12 months	610,228		690,992		1,301,220
13-24 months	396,800		479,018		875,818
Over 24 months	65,596		46,897		112,493
Total	$	1,434,540	$	1,761,690	$	3,196,230

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Short-term Borrowings

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Short-term Borrowings

Short-term Borrowings

Selected information for short-term borrowings (borrowings with an original maturity of less than one year) consisted of the following.

	At June 30, 2015				At December 31, 2014
(Dollars in thousands)	Amount		Rate		Amount		Rate
Period end balance:
Securities sold under repurchase agreements	$	3,303	0.10	%	$	4,425	0.10	%
Line of Credit - TCF Commercial Finance Canada, Inc.	4,002		1.90		—		—
Total	$	7,305	1.09		$	4,425	0.10
Average daily balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	—	%	$	74,385	0.26	%
Federal funds purchased	254		0.43		375		0.40
Securities sold under repurchase agreements	5,517		0.21		5,956		0.18
Line of Credit - TCF Commercial Finance Canada, Inc.	2,353		2.06		2,957		1.88
Total	$	8,124	0.75		$	83,673	0.31
Maximum month-end balances for the year to date period ended:
Federal Home Loan Bank advances	$	—	N.A.		$	250,000	N.A.
Securities sold under repurchase agreements	3,495		N.A.		4,425		N.A.
Line of Credit - TCF Commercial Finance Canada, Inc.	5,519		N.A.		11,751		N.A.
N.A. Not Applicable.

At June 30, 2015, the securities sold under short-term repurchase agreements were related to TCF Bank's Repurchase Investment Sweep Agreement product and were collateralized by mortgage-backed securities having a fair value of $6.4 million.

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Regulatory Capital Requirements

6 Months Ended

Jun. 30, 2015

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 profits for the current year combined with its net retained profits for the preceding two calendar years, which was $395.9 million at June 30, 2015, without prior approval of the Office of the Comptroller of the Currency ("OCC"). 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. These capital adequacy standards may be higher in the future than existing minimum regulatory capital requirements.

The following table presents regulatory capital information for TCF and TCF Bank. Information presented for June 30, 2015 reflects the transition to the Basel III capital standard from previous regulatory capital adequacy guidelines under the Basel I framework. The Basel III capital standard phases in through 2019 and revises the definition of capital, increases minimum capital ratios, introduces regulatory capital buffers above those minimums, introduces a common equity Tier 1 capital ratio and revises the rules for calculating risk-weighted assets. Banks that are not advanced approaches institutions may make a one-time election to opt out of the requirement to include components of accumulated other comprehensive income (loss) in common equity Tier 1 capital. TCF has elected to opt-out of the accumulated other comprehensive income (loss) requirement.

	TCF						TCF Bank
(Dollars in thousands)	June 30, 2015			December 31, 2014			June 30, 2015			December 31, 2014			Well-capitalized Standard		Minimum Capital Requirement
Regulatory Capital:
Common equity Tier 1 capital	$	1,732,437		N.A.			$	1,912,587		N.A.
Tier 1 capital	2,013,347			$	1,919,887		1,932,098			$	1,836,019
Total capital	2,407,268			2,209,999			2,349,196			2,126,131
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	9.97		%	N.A			11.01		%	N.A.			6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.59			11.76		%	11.13			11.25		%	8.00		6.00
Total risk-based capital ratio	13.86			13.54			13.53			13.03			10.00		8.00
Tier 1 leverage ratio	10.22			10.07			9.81			9.63			5.00		4.00

N.A. Not Applicable.

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Fair Values Disclosures (Details 3) - Loans and Leases Held for Sale - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value carrying amount	$ 4,962	$ 3,308
Aggregate unpaid principal amount	4,840	3,205
Fair value carrying amount less aggregate unpaid principal	122	$ 103
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	$ 3,000

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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic Earnings Per Common Share
Net income available to common stockholders	$ 47,408	$ 48,278	$ 82,362	$ 88,188
Earnings allocated to participating securities	11	12	22	23
Earnings allocated to common stock	$ 47,397	$ 48,266	$ 82,340	$ 88,165
Weighted-average common shares outstanding for basic earnings per common share	165,588,846	163,252,550	165,219,090	163,011,047
Basic earnings per common share (in dollars per share)	$ 0.29	$ 0.30	$ 0.50	$ 0.54
Diluted Earnings Per Common Share
Earnings allocated to common stock	$ 47,397	$ 48,266	$ 82,340	$ 88,165
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,588,846	163,252,550	165,219,090	163,011,047
Net dilutive effect of:
Non-participating restricted stock (in shares)	302,079	202,475	297,035	214,186
Stock options (in shares)	226,952	259,211	227,594	265,335
Weighted-average common shares outstanding for diluted earnings per common share	166,117,877	163,714,236	165,743,719	163,490,568
Diluted earnings per common share (in dollars per share)	$ 0.29	$ 0.29	$ 0.50	$ 0.54

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Fair Values Disclosures (Details 2) - Level 3 - Measurement of fair value on a recurring basis - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest Rate Lock Commitments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	$ 589	$ 0	$ 285	$ 0
Net income	(134)		170
Sales	0		0
Originations	0		0
Principal paydowns / settlements	0	0	0	0
Ending balance	455	0	455	0
Forward Loan Sales Commitments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	(113)	0	(23)	0
Net income	108		18
Sales	0		0
Originations	0		0
Principal paydowns / settlements	0	0	0	0
Ending balance	(5)	0	(5)	0
Other Contract
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	(544)	(819)	(621)	(899)
Net income	0		0
Sales	0		0
Originations	0		0
Principal paydowns / settlements	79	82	156	162
Ending balance	(465)	(737)	(465)	(737)
Available-for-sale Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	50	87	55	93
Net income	0		0
Sales	0		0
Originations	0		0
Principal paydowns / settlements	(5)	(6)	(10)	(12)
Ending balance	45	81	45	81
Loans and Leases Held for Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	6,248	0	3,308	0
Net income	(58)		32
Sales	(74,489)		(136,264)
Originations	73,261		137,886
Principal paydowns / settlements	0	0	0	0
Ending balance	$ 4,962	$ 0	$ 4,962	$ 0

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Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of derivative instruments

The following tables summarize TCF's outstanding derivative instruments as of June 30, 2015 and December 31, 2014. See Note 13, Fair Value Disclosures, for additional information.

	At June 30, 2015
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	45,857	$	144	$	—		$	144
Derivatives not designated as hedges:
Forward foreign exchange contracts	408,953		4,984		—			4,984
Interest rate contracts	91,729		1,722		—			1,722
Interest rate lock commitments	26,145		455		—			455
Total derivative assets			$	7,305	$	—		$	7,305
Derivative Liabilities:
Derivatives designated as hedges:
Interest rate contracts	$	150,000	$	4,267	$	(4,267	)	$	—
Derivatives not designated as hedges:
Interest rate contracts	91,729		1,787		(1,787		)	—
Other contracts	13,804		465		(465		)	—
Total derivative liabilities			$	6,519	$	(6,519	)	$	—
	At December 31, 2014
(In thousands)	Notional Amount		Gross Amounts Recognized		Gross Amounts Offset			Net Amount Presented(1)
Derivative Assets:
Derivatives designated as hedges:
Forward foreign exchange contracts	$	42,165	$	509	$	—		$	509
Derivatives not designated as hedges:
Forward foreign exchange contracts	275,962		2,702		(1,179		)	1,523
Interest rate contracts	101,166		1,798		—			1,798
Interest rate lock commitments	15,124		285		—			285
Total derivative assets			$	5,294	$	(1,179	)	$	4,115
Derivative Liabilities:
Derivatives not designated as hedges:
Forward foreign exchange contracts	$	189,310	$	177	$	(29	)	$	148
Interest rate contracts	101,166		1,877		(1,877		)	—
Other contracts	13,804		621		(621		)	—
Total derivative liabilities			$	2,675	$	(2,527	)	$	148

(1)  All amounts were offset in the Consolidated Statements of Financial Condition.

Schedule of pre-tax impact of derivative activity

The following table summarizes the pre-tax impact of derivative activity within the Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income.

		Three Months Ended June 30,						Six Months Ended June 30,
(In thousands)	Income Statement Location	2015			2014			2015			2014
Consolidated Statements of Income
Fair value hedges:
Interest rate contracts	Non-interest income	$	(5,541	)	$	—		$	(4,267	)	$	—
Non-derivative hedged items	Non-interest income	4,690			—			3,563			—
Not designated as hedges:
Forward foreign exchange contracts	Non-interest expense	(8,168		)	(15,848		)	29,292			(651		)
Interest rate lock commitments	Non-interest income	(135		)	—			170			—
Interest rate contracts	Non-interest income	41			(30		)	20			(50		)
Net realized gain (loss)		$	(9,113	)	$	(15,878	)	$	28,778		$	(701	)
Consolidated Statements of Comprehensive Income
Net investment hedges:
Forward foreign exchange contracts	Other comprehensive income (loss)	$	(674	)	$	(1,382	)	$	2,914		$	(172	)
Net unrealized gain (loss)		$	(674	)	$	(1,382	)	$	2,914		$	(172	)

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Allowance for Loan and Lease Losses and Credit Quality Information (Details 7) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Impaired Loans
Unpaid Contractual Balance	$ 347,081		$ 347,081		$ 399,316
Loan Balance	270,938		270,938		319,659
Related Allowance Recorded	29,317		29,317		34,378
Average Balance	285,525	$ 784,559	295,299	$ 797,020
Interest Income Recognized	3,668	6,886	7,662	13,622
Impaired loans with an allowance recorded
Impaired Loans
Unpaid Contractual Balance	262,448		262,448		251,291
Loan Balance	222,595		222,595		224,535
Related Allowance Recorded	29,317		29,317		34,378
Average Balance	218,998	664,860	223,565	671,830
Interest Income Recognized	2,385	5,471	4,659	10,788
Impaired loans with an allowance recorded | Consumer real estate
Impaired Loans
Unpaid Contractual Balance	225,507		225,507		179,939
Loan Balance	189,015		189,015		157,073
Related Allowance Recorded	26,288		26,288		27,567
Average Balance	174,259	591,016	173,044	590,720
Interest Income Recognized	2,128	4,764	3,998	9,425
Impaired loans with an allowance recorded | First Mortgage Lien
Impaired Loans
Unpaid Contractual Balance	152,706		152,706		114,526
Loan Balance	127,790		127,790		101,668
Related Allowance Recorded	19,260		19,260		18,140
Average Balance	115,432	518,048	114,729	518,031
Interest Income Recognized	1,340	3,879	2,458	7,632
Impaired loans with an allowance recorded | Junior Lien
Impaired Loans
Unpaid Contractual Balance	72,801		72,801		65,413
Loan Balance	61,225		61,225		55,405
Related Allowance Recorded	7,028		7,028		9,427
Average Balance	58,827	72,968	58,315	72,689
Interest Income Recognized	788	885	1,540	1,793
Impaired loans with an allowance recorded | Total commercial
Impaired Loans
Unpaid Contractual Balance	23,713		23,713		58,175
Loan Balance	20,512		20,512		54,430
Related Allowance Recorded	480		480		3,773
Average Balance	28,158	64,230	37,471	68,191
Interest Income Recognized	212	617	603	1,237
Impaired loans with an allowance recorded | Commercial real estate
Impaired Loans
Unpaid Contractual Balance	23,692		23,692		58,157
Loan Balance	20,493		20,493		54,412
Related Allowance Recorded	477		477		3,772
Average Balance	28,140	61,985	37,452	65,179
Interest Income Recognized	212	617	603	1,237
Impaired loans with an allowance recorded | Commercial business
Impaired Loans
Unpaid Contractual Balance	21		21		18
Loan Balance	19		19		18
Related Allowance Recorded	3		3		1
Average Balance	18	2,245	19	3,012
Interest Income Recognized	0	0	0	0
Impaired loans with an allowance recorded | Leasing and Equipment Finance
Impaired Loans
Unpaid Contractual Balance	6,179		6,179		8,257
Loan Balance	6,179		6,179		8,257
Related Allowance Recorded	646		646		1,457
Average Balance	7,066	7,955	7,218	8,249
Interest Income Recognized	2	46	8	52
Impaired loans with an allowance recorded | Inventory Finance
Impaired Loans
Unpaid Contractual Balance	2,436		2,436		1,754
Loan Balance	2,439		2,439		1,758
Related Allowance Recorded	226		226		393
Average Balance	5,516	904	2,099	4,009
Interest Income Recognized	42	42	49	71
Impaired loans with an allowance recorded | Auto Finance
Impaired Loans
Unpaid Contractual Balance	4,596		4,596		3,074
Loan Balance	4,431		4,431		2,928
Related Allowance Recorded	1,673		1,673		1,184
Average Balance	3,980	670	3,680	571
Interest Income Recognized	0	0	0	0
Impaired loans with an allowance recorded | Other
Impaired Loans
Unpaid Contractual Balance	17		17		92
Loan Balance	19		19		89
Related Allowance Recorded	4		4		4
Average Balance	19	85	53	90
Interest Income Recognized	1	2	1	3
Impaired loans without an allowance recorded
Impaired Loans
Unpaid Contractual Balance	84,633		84,633		148,025
Loan Balance	48,343		48,343		95,124
Average Balance	66,527	119,699	71,734	125,190
Interest Income Recognized	1,283	1,415	3,003	2,834
Impaired loans without an allowance recorded | Consumer real estate
Impaired Loans
Unpaid Contractual Balance	35,177		35,177		87,402
Loan Balance	5,588		5,588		42,545
Average Balance	22,381	42,049	24,067	44,596
Interest Income Recognized	863	692	1,776	1,274
Impaired loans without an allowance recorded | First Mortgage Lien
Impaired Loans
Unpaid Contractual Balance	9,542		9,542		53,606
Loan Balance	5,568		5,568		35,147
Average Balance	19,115	38,552	20,358	40,996
Interest Income Recognized	322	420	781	735
Impaired loans without an allowance recorded | Junior Lien
Impaired Loans
Unpaid Contractual Balance	25,635		25,635		33,796
Loan Balance	20		20		7,398
Average Balance	3,266	3,497	3,709	3,600
Interest Income Recognized	541	272	995	539
Impaired loans without an allowance recorded | Total commercial
Impaired Loans
Unpaid Contractual Balance	46,892		46,892		58,291
Loan Balance	41,097		41,097		50,980
Average Balance	42,407	76,386	46,039	79,630
Interest Income Recognized	377	688	1,172	1,515
Impaired loans without an allowance recorded | Commercial real estate
Impaired Loans
Unpaid Contractual Balance	46,538		46,538		57,809
Loan Balance	40,743		40,743		50,500
Average Balance	42,003	69,766	45,622	73,508
Interest Income Recognized	372	646	1,167	1,438
Impaired loans without an allowance recorded | Commercial business
Impaired Loans
Unpaid Contractual Balance	354		354		482
Loan Balance	354		354		480
Average Balance	404	6,620	417	6,122
Interest Income Recognized	5	42	5	77
Impaired loans without an allowance recorded | Inventory Finance
Impaired Loans
Unpaid Contractual Balance	456		456		848
Loan Balance	460		460		851
Average Balance	662	772	655	566
Interest Income Recognized	43	35	55	45
Impaired loans without an allowance recorded | Auto Finance
Impaired Loans
Unpaid Contractual Balance	2,108		2,108		1,484
Loan Balance	1,198		1,198		$ 748
Average Balance	1,077	492	973	398
Interest Income Recognized	$ 0	$ 0	$ 0	$ 0

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

TCF's restricted stock awards that pay non-forfeitable common stock dividends meet the criteria of a participating security. Accordingly, earnings per share is calculated using the two-class method, under which earnings are allocated to both common shares and participating securities.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(Dollars in thousands, except per-share data)	2015		2014		2015		2014
Basic Earnings Per Common Share:
Net income available to common stockholders	$	47,408	$	48,278	$	82,362	$	88,188
Earnings allocated to participating securities	11		12		22		23
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding for basic earnings per common share	165,588,846		163,252,550		165,219,090		163,011,047
Basic earnings per common share	$	0.29	$	0.30	$	0.50	$	0.54
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	47,397	$	48,266	$	82,340	$	88,165
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,588,846		163,252,550		165,219,090		163,011,047
Net dilutive effect of:
Non-participating restricted stock	302,079		202,475		297,035		214,186
Stock options	226,952		259,211		227,594		265,335
Weighted-average common shares outstanding for diluted earnings per common share	166,117,877		163,714,236		165,743,719		163,490,568
Diluted earnings per common share	$	0.29	$	0.29	$	0.50	$	0.54

All shares of restricted stock are deducted from weighted-average shares outstanding for the computation of basic earnings per common share. Shares of performance-based restricted stock and restricted stock units are included in the calculation of diluted earnings per common share, using the treasury stock method, at the beginning of the quarter in which the performance goals have been achieved. All other shares of restricted stock, which vest over specified time periods, stock options and warrants are included in the calculation of diluted earnings per common share, using the treasury stock method.

For the three and six months ended June 30, 2015 and 2014, there were 4.6 million and 4.1 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, respectively.

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Loans and Leases (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Information about loans and leases

Loans and leases consisted of the following.

(Dollars in thousands)	At June 30, 2015		At December 31, 2014		Percent Change
Consumer real estate:
First mortgage lien	$	2,865,911	$	3,139,152	(8.7	)%
Junior lien	2,678,118		2,543,212		5.3
Total consumer real estate	5,544,029		5,682,364		(2.4	)
Commercial:
Commercial real estate:
Permanent	2,230,554		2,382,144		(6.4	)
Construction and development	305,240		242,111		26.1
Total commercial real estate	2,535,794		2,624,255		(3.4	)
Commercial business	576,550		533,410		8.1
Total commercial	3,112,344		3,157,665		(1.4	)
Leasing and equipment finance	3,791,215		3,745,322		1.2
Inventory finance	2,106,087		1,877,090		12.2
Auto finance	2,301,714		1,915,061		20.2
Other	21,852		24,144		(9.5	)
Total loans and leases(1)	$	16,877,241	$	16,401,646	2.9

(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 $50.7 million and $43.4 million at June 30, 2015 and December 31, 2014, respectively.

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Allowance for Loan and Lease Losses and Credit Quality Information (Details 5) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Loan Modifications for Borrowers with Financial Difficulties
Financing Receivable, Modifications, Recorded Investment	$ 256.9		$ 256.9		$ 298.5
Total Accruing TDR Loans	155.8		155.8		193.8
Additional funds committed to consumer real estate and commercial loans classified as TDRs	1.9		$ 1.9		3.9
Minimum period for loans to be delinquent to be considered in default			90 days	90 days
Commercial Borrower
Loan Modifications for Borrowers with Financial Difficulties
Financing Receivable, Modifications, Recorded Investment	54.2		$ 54.2		91.6
Total Accruing TDR Loans	44.5		44.5		80.4
Loans Removed from Troubled Debt Restructurings Status			9.0	$ 11.1
Reserves for losses on accruing loan TDRs	$ 0.1		$ 0.1		$ 1.4
Reserves for losses on accruing loan TDRs (as a percent)	0.30%		0.30%		1.70%
Delinquency period of performing loans and leases			60 days	60 days
Real Estate Loan | Consumer Borrower
Loan Modifications for Borrowers with Financial Difficulties
Financing Receivable, Modifications, Recorded Investment	$ 194.6		$ 194.6		$ 199.6
Total Accruing TDR Loans	$ 110.3		$ 110.3		111.9
Average yield on TDR loans (as a percent)	4.10%	3.30%	4.00%	3.30%
Contractual average rate of TDR loans (as a percent)	6.70%	6.80%	6.60%	6.80%
Reserves for losses on accruing loan TDRs	$ 20.3		$ 20.3		$ 20.4
Reserves for losses on accruing loan TDRs (as a percent)	18.40%		18.40%		18.20%
Assumed remaining re-default rate used in determining impairment, low end of range (as a percent)	6.00%		6.00%		4.00%
Financing Receivable, Modifications, Impaired Financing Receivable, Redefault Rate, High End of Range	20.00%		20.00%		22.00%
Percent of accruing TDR loans more than 60 days delinquent	1.50%		1.50%		2.40%
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	$ 52.8		$ 52.8		$ 50.0
Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed (as a percent)	62.60%		62.60%		57.00%
Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed, current (as a percent)	73.80%		73.80%		68.40%
Real Estate Loan | Consumer Borrower | Junior Lien
Loan Modifications for Borrowers with Financial Difficulties
Foregone Interest Income	$ 0.2	$ 0.3	$ 0.4	$ 0.6
Real Estate Loan | Consumer Borrower | First Mortgage Lien
Loan Modifications for Borrowers with Financial Difficulties
Foregone Interest Income	$ 0.6	$ 4.3	$ 1.1	$ 8.6

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Securities Available for Sale and Securities Held to Maturity (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Gross unrealized losses and fair value of securities available for sale that is in a loss position
Less than 12 months, Fair Value	$ 479,201	$ 0
Less than 12 months, Unrealized Losses	6,519	0
12 months or more, Fair Value	0	198,550
12 months or more, Unrealized Losses	0	741
Total, fair value	479,201	198,550
Total, Unrealized Losses	6,519	741
Gross unrealized losses and fair value of securities held to maturity that is in a loss position
Less than 12 months, Fair Value	5,521	2,602
Less than 12 months, Unrealized Losses	83	109
12 months or more, Fair Value	987	0
12 months or more, Unrealized Losses	77	0
Total, fair value	6,508	2,602
Total, Unrealized Losses	160	109
U.S. Government sponsored enterprises and federal agencies
Gross unrealized losses and fair value of securities available for sale that is in a loss position
Less than 12 months, Fair Value	455,069	0
Less than 12 months, Unrealized Losses	6,401	0
12 months or more, Fair Value	0	198,550
12 months or more, Unrealized Losses	0	741
Total, fair value	455,069	198,550
Total, Unrealized Losses	6,401	741
Gross unrealized losses and fair value of securities held to maturity that is in a loss position
Less than 12 months, Fair Value	5,521	2,602
Less than 12 months, Unrealized Losses	83	109
12 months or more, Fair Value	987	0
12 months or more, Unrealized Losses	77	0
Total, fair value	6,508	2,602
Total, Unrealized Losses	160	$ 109
Obligations of states and political subdivisions
Gross unrealized losses and fair value of securities available for sale that is in a loss position
Less than 12 months, Fair Value	24,132
Less than 12 months, Unrealized Losses	118
12 months or more, Fair Value	0
12 months or more, Unrealized Losses	0
Total, fair value	24,132
Total, Unrealized Losses	$ 118

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income attributable to TCF Financial Corporation	$ 52,255	$ 53,125	$ 92,056	$ 97,882
Securities available for sale:
Unrealized gains (losses) arising during the period	(11,140)	8,648	(7,001)	20,514
Reclassification of net (gains) losses to net income	286	(452)	590	(629)
Net investment hedges:
Unrealized gains (losses) arising during the period	(674)	(1,382)	2,914	(172)
Foreign currency translation adjustment:
Unrealized gains (losses) arising during the period	617	1,399	(3,269)	23
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(11)	(11)	(23)	(23)
Income tax (expense) benefit	4,358	(2,561)	1,329	(7,415)
Total other comprehensive income (loss)	(6,564)	5,641	(5,460)	12,298
Comprehensive income	$ 45,691	$ 58,766	$ 86,596	$ 110,180

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Securities Available for Sale and Securities Held to Maturity

6 Months Ended

Jun. 30, 2015

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 consisted of the following.

	At June 30, 2015									At December 31, 2014
(Dollars 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	$	597,166		$	1,142	$	6,401	$	591,907	$	461,575		$	2,405	$	741	$	463,239
Other	45			—		—		45		55			—		—		55
Obligations of states and political subdivisions	37,796			40		118		37,718		—			—		—		—
Other securities	178			—		—		178		—			—		—		—
Total securities available for sale	$	635,185		$	1,182	$	6,519	$	629,848	$	461,630		$	2,405	$	741	$	463,294
Weighted-average yield	2.43		%							2.62		%
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	204,179		$	4,596	$	160	$	208,615	$	209,538		$	7,988	$	109	$	217,417
Other securities	4,732			—		—		4,732		4,916			—		—		4,916
Total securities held to maturity	$	208,911		$	4,596	$	160	$	213,347	$	214,454		$	7,988	$	109	$	222,333
Weighted-average yield	2.64		%							2.64		%

There were no sales of securities available for sale during the six months ended June 30, 2015. Gross realized gains of $0.8 million and $1.1 million were recognized on sales of securities available for sale during the second quarter and first six months of 2014, respectively. At June 30, 2015 and December 31, 2014, mortgage-backed securities with a carrying value of $7.6 million and $8.2 million, respectively, were pledged as collateral to secure certain deposits and borrowings. There were no impairment charges recognized on securities available for sale during the first six months of 2015 and 2014. 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.

There were no transfers from securities available for sale to securities held to maturity during the six months ended June 30, 2015. During the six months ended June 30, 2014, TCF transferred $191.7 million of available for sale mortgage-backed securities to held to maturity, reflecting TCF's intent and ability to hold these securities to maturity. At June 30, 2015 and December 31, 2014, the unrealized holding loss on the transferred securities retained in accumulated other comprehensive income (loss) totaled $15.4 million and $16.0 million, respectively. These amounts are amortized over the remaining lives of the transferred securities. Other held to maturity securities consist primarily of non-trading mortgage-backed securities and other bonds which qualify for investment credit under the Community Reinvestment Act. During the six months ended June 30, 2015, TCF recorded an impairment charge of $0.1 million on held to maturity securities, which had a carrying value of $4.7 million. There were no impairment charges recognized on held to maturity securities during the six months ended June 30, 2014.

The following tables show the gross unrealized losses and fair value of securities available for sale and securities held to maturity at June 30, 2015 and December 31, 2014, aggregated by investment category and the length of time the securities were in a continuous loss position.

	At June 30, 2015
	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	$	455,069	$	6,401	$	—	$	—	$	455,069	$	6,401
Obligations of states and political subdivisions	24,132		118		—		—		24,132		118
Total securities available for sale	$	479,201	$	6,519	$	—	$	—	$	479,201	$	6,519
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	5,521	$	83	$	987	$	77	$	6,508	$	160
Total securities held to maturity	$	5,521	$	83	$	987	$	77	$	6,508	$	160

	At December 31, 2014
	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	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Total securities available for sale	$	—	$	—	$	198,550	$	741	$	198,550	$	741
Securities held to maturity:
Mortgage-backed securities:
U.S. Government sponsored enterprises and federal agencies	$	2,602	$	109	$	—	$	—	$	2,602	$	109
Total securities held to maturity	$	2,602	$	109	$	—	$	—	$	2,602	$	109

The amortized cost, fair value and yield of securities available for sale and securities held to maturity by contractual maturity at June 30, 2015 and December 31, 2014 are shown below. 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. Yields on securities have not been adjusted for tax exempt status.

	At June 30, 2015						At December 31, 2014
(Dollars in thousands)	Amortized Cost		Fair Value		Yield		Amortized Cost		Fair Value		Yield
Securities available for sale:
Due in one year or less	$	7	$	7	9.65	%	$	4	$	4	11.63	%
Due in 1-5 years	51		51		3.30		76		76		4.53
Due in 5-10 years	116,458		116,849		2.03		86,806		87,594		1.93
Due after 10 years	518,491		512,763		2.52		374,744		375,620		2.78
No stated maturity	178		178		—		—		—		—
Total securities available for sale	$	635,185	$	629,848	2.43		$	461,630	$	463,294	2.62
Securities held to maturity:
Due in one year or less	$	—	$	—	—	%	$	500	$	500	2.00	%
Due in 1-5 years	1,500		1,500		2.80		2,500		2,500		3.08
Due in 5-10 years	1,900		1,900		3.00		400		400		3.00
Due after 10 years	205,511		209,947		2.64		211,054		218,933		2.64
Total securities held to maturity	$	208,911	$	213,347	2.64		$	214,454	$	222,333	2.64

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Derivative Instruments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Net Investment Hedges
Fair value of foreign exchange contracts
Period for settling forward foreign exchange contracts	30 days
Interest Rate Contract
Fair value of foreign exchange contracts
Amount of cash collateral posted	$ 13,900
Interest Rate Contract | Not Designated as Hedges
Fair value of foreign exchange contracts
Derivative asset, notional amount	91,729	$ 101,166
Interest Rate Contract | Designated as Hedges
Fair value of foreign exchange contracts
Derivative asset, notional amount	$ 150,000
Derivative, fixed interest rate	4.60%
Interest Rate Swap | Not Designated as Hedges
Fair value of foreign exchange contracts
Period for settling forward foreign exchange contracts	30 days
Interest Rate Swap | Not Designated as Hedges | Minimum
Fair value of foreign exchange contracts
Period of contracts having fixed maturity dates	3 years
Interest Rate Swap | Not Designated as Hedges | Maximum
Fair value of foreign exchange contracts
Period of contracts having fixed maturity dates	7 years
Interest Rate Lock Commitments
Fair value of foreign exchange contracts
Derivative, higher remaining maturity range	60 days
Interest Rate Lock Commitments | Not Designated as Hedges
Fair value of foreign exchange contracts
Derivative asset, notional amount	$ 26,145	15,124
Other Contract
Fair value of foreign exchange contracts
Amount of cash collateral posted	1,400
Forward foreign exchange contracts
Fair value of foreign exchange contracts
Amount of cash collateral posted	600
Forward foreign exchange contracts | Not Designated as Hedges
Fair value of foreign exchange contracts
Derivative asset, notional amount	408,953	275,962
Forward foreign exchange contracts | Designated as Hedges
Fair value of foreign exchange contracts
Derivative asset, notional amount	$ 45,857	$ 42,165

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Securities available for sale, Before Tax
Unrealized gains (losses) arising during the period, Before Tax	$ (11,140)	$ 8,648	$ (7,001)	$ 20,514
Reclassification of net (gains) losses to net income, Before Tax	286	(452)	590	(629)
Net unrealized gains (losses), Before Tax	(10,854)	8,196	(6,411)	19,885
Securities available for sale, Tax Effect
Unrealized gains (losses) arising during the period, Tax Effect	4,207	(3,257)	2,644	(7,725)
Reclassification of net (gains) losses to net income, Tax Effect	(108)	170	(223)	236
Net unrealized gains (losses), Tax Effect	4,099	(3,087)	2,421	(7,489)
Securities available for sale, Net of Tax
Unrealized gains (losses) arising during the period, Net of Tax	(6,933)	5,391	(4,357)	12,789
Reclassification of net (gains) losses to net income, Net of Tax	178	(282)	367	(393)
Net unrealized gains (losses), Net of Tax	(6,755)	5,109	(3,990)	12,396
Foreign currency hedge, Net of Tax
Unrealized gains (losses) arising during the period, Before Tax	(674)	(1,382)	2,914	(172)
Unrealized gains (losses) arising during the period, Tax Effect	254	522	(1,101)	65
Unrealized gains (losses) arising during the period, Net of Tax	(420)	(860)	1,813	(107)
Foreign currency translation adjustment, Net of Tax
Unrealized gains (losses) arising during the period, Before Tax	617	1,399	(3,269)	23
Unrealized gains (losses) arising during the period, Tax Effect	0	0	0	0
Unrealized gains (losses) arising during the period, Net of Tax	617	1,399	(3,269)	23
Recognized postretirement prior service cost and translation obligation, Net of Tax
Reclassification of net (gains) losses to net income, Before Tax	(11)	(11)	(23)	(23)
Reclassification of net (gains) losses to net income, Tax Effect	5	4	9	9
Reclassification of net (gains) losses to net income, Net of Tax	(6)	(7)	(14)	(14)
Total other comprehensive loss, Net of Tax
Total other comprehensive income (loss), Before Tax	(10,922)	8,202	(6,789)	19,713
Total other comprehensive income (loss), Tax Effect	4,358	(2,561)	1,329	(7,415)
Total other comprehensive income (loss)	$ (6,564)	$ 5,641	$ (5,460)	$ 12,298

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

6 Months Ended

Jun. 30, 2015

Allowance for Loan and Lease Losses and Credit Quality Information

Allowance for loan and lease losses and other information

The following tables provide the allowance for loan and lease losses and other related information. TCF's key credit quality indicator is the receivable's payment performance status, defined as accruing or non-accruing.

(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	80,292		$	32,121		$	17,921		$	12,409		$	20,426		$	630		$	163,799
Charge-offs	(11,558		)	(2,581		)	(1,988		)	(821		)	(4,388		)	(1,648		)	(22,984		)
Recoveries	1,869			967			518			198			728			1,226			5,506
Net (charge-offs) recoveries	(9,689		)	(1,614		)	(1,470		)	(623		)	(3,660		)	(422		)	(17,478		)
Provision for credit losses	5,061			(302		)	1,218			(951		)	7,096			406			12,528
Other	(977		)	—			—			44			(1,801		)	—			(2,734		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	169,367		$	36,062		$	18,623		$	10,309		$	12,062		$	623		$	247,046
Charge-offs	(13,012		)	(3,721		)	(1,875		)	(183		)	(2,191		)	(1,993		)	(22,975		)
Recoveries	1,555			244			902			76			358			1,485			4,620
Net (charge-offs) recoveries	(11,457		)	(3,477		)	(973		)	(107		)	(1,833		)	(508		)	(18,355		)
Provision for credit losses	4,106			(1,168		)	1,534			(752		)	5,521			668			9,909
Other	(667		)	(56		)	—			89			(1,885		)	—			(2,519		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081
(In thousands)	Consumer Real Estate			Commercial			Leasing and Equipment Finance			Inventory Finance			Auto Finance			Other			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	85,361		$	31,367		$	18,446		$	10,020		$	18,230		$	745		$	164,169
Charge-offs	(20,764		)	(3,457		)	(3,864		)	(1,349		)	(8,349		)	(3,325		)	(41,108		)
Recoveries	3,794			2,364			1,503			307			1,338			2,787			12,093
Net (charge-offs) recoveries	(16,970		)	(1,093		)	(2,361		)	(1,042		)	(7,011		)	(538		)	(29,015		)
Provision for credit losses	7,880			(69		)	1,584			2,081			13,436			407			25,319
Other	(1,584		)	—			—			(180		)	(2,594		)	—			(4,358		)
Balance, end of period	$	74,687		$	30,205		$	17,669		$	10,879		$	22,061		$	614		$	156,115
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	176,030		$	37,467		$	18,733		$	8,592		$	10,623		$	785		$	252,230
Charge-offs	(27,567		)	(5,366		)	(3,410		)	(350		)	(4,724		)	(3,895		)	(45,312		)
Recoveries	3,407			379			1,688			377			615			3,075			9,541
Net (charge-offs) recoveries	(24,160		)	(4,987		)	(1,722		)	27			(4,109		)	(820		)	(35,771		)
Provision for credit losses	11,185			(1,048		)	2,173			925			10,348			818			24,401
Other	(1,706		)	(71		)	—			(5		)	(2,997		)	—			(4,779		)
Balance, end of period	$	161,349		$	31,361		$	19,184		$	9,539		$	13,865		$	783		$	236,081

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

The following tables provide information regarding the allowance for loan and lease losses and balances by type of allowance methodology.

	At June 30, 2015
(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	$	48,378	$	29,725	$	16,196	$	10,653	$	20,313	$	610	$	125,875
Individually evaluated for impairment	26,309		480		1,473		226		1,748		4		30,240
Total	$	74,687	$	30,205	$	17,669	$	10,879	$	22,061	$	614	$	156,115
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,325,743	$	3,028,092	$	3,778,547	$	2,103,188	$	2,295,235	$	21,833	$	16,552,638
Individually evaluated for impairment	218,286		84,252		12,590		2,899		6,438		19		324,484
Loans acquired with deteriorated credit quality	—		—		78		—		41		—		119
Total	$	5,544,029	$	3,112,344	$	3,791,215	$	2,106,087	$	2,301,714	$	21,852	$	16,877,241

	At December 31, 2014
(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	$	57,167	$	27,594	$	16,310	$	9,627	$	17,046	$	741	$	128,485
Individually evaluated for impairment	28,194		3,773		2,136		393		1,184		4		35,684
Total	$	85,361	$	31,367	$	18,446	$	10,020	$	18,230	$	745	$	164,169
Loans and leases outstanding:
Collectively evaluated for impairment	$	5,462,005	$	3,038,378	$	3,731,420	$	1,874,481	$	1,911,267	$	24,055	$	16,041,606
Individually evaluated for impairment	220,359		119,287		13,763		2,609		3,676		89		359,783
Loans acquired with deteriorated credit quality	—		—		139		—		118		—		257
Total	$	5,682,364	$	3,157,665	$	3,745,322	$	1,877,090	$	1,915,061	$	24,144	$	16,401,646

Information regarding accruing and non-accruing loans and leases

The following tables set forth information regarding TCF's accruing and non-accrual loans and leases. 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.

	At June 30, 2015
(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	$	2,724,576	$	9,033	$	1,207	$	2,734,816	$	131,095	$	2,865,911
Junior lien	2,639,364		1,995		—		2,641,359		36,759		2,678,118
Total consumer real estate	5,363,940		11,028		1,207		5,376,175		167,854		5,544,029
Commercial:
Commercial real estate	2,519,036		—		—		2,519,036		16,758		2,535,794
Commercial business	576,195		1		—		576,196		354		576,550
Total commercial	3,095,231		1		—		3,095,232		17,112		3,112,344
Leasing and equipment finance	3,776,725		2,147		274		3,779,146		11,440		3,790,586
Inventory finance	2,103,096		45		50		2,103,191		2,896		2,106,087
Auto finance	2,292,800		1,735		732		2,295,267		6,405		2,301,672
Other	21,824		12		13		21,849		3		21,852
Subtotal	16,653,616		14,968		2,276		16,670,860		205,710		16,876,570
Portfolios acquired with deteriorated credit quality	668		—		3		671		—		671
Total	$	16,654,284	$	14,968	$	2,279	$	16,671,531	$	205,710	$	16,877,241

	At December 31, 2014
(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	$	2,987,992	$	13,176	$	194	$	3,001,362	$	137,790	$	3,139,152
Junior lien	2,505,640		2,091		—		2,507,731		35,481		2,543,212
Total consumer real estate	5,493,632		15,267		194		5,509,093		173,271		5,682,364
Commercial:
Commercial real estate	2,599,701		—		—		2,599,701		24,554		2,624,255
Commercial business	532,929		—		—		532,929		481		533,410
Total commercial	3,132,630		—		—		3,132,630		25,035		3,157,665
Leasing and equipment finance	3,728,115		2,242		307		3,730,664		12,670		3,743,334
Inventory finance	1,874,933		49		26		1,875,008		2,082		1,877,090
Auto finance	1,907,005		2,785		1,478		1,911,268		3,676		1,914,944
Other	24,144		—		—		24,144		—		24,144
Subtotal	16,160,459		20,343		2,005		16,182,807		216,734		16,399,541
Portfolios acquired with deteriorated credit quality	2,017		83		5		2,105		—		2,105
Total	$	16,162,476	$	20,426	$	2,010	$	16,184,912	$	216,734	$	16,401,646

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

The following table provides 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.

	Three Months Ended   June 30,				Six Months Ended   June 30,
(In thousands)	2015		2014		2015		2014
Contractual interest due on non-accrual loans and leases	$	5,341	$	6,359	$	10,564	$	13,549
Interest income recognized on non-accrual loans and leases	986		2,395		2,298		3,904
Unrecognized interest income	$	4,355	$	3,964	$	8,266	$	9,645

Summary of consumer real estate loans to customers in bankruptcy

The following table provides information regarding consumer real estate loans to customers currently involved in ongoing Chapter 7 or Chapter 13 bankruptcy proceedings which have not yet been discharged. 

(In thousands)	At June 30, 2015		At December 31, 2014
Consumer real estate loans to customers in bankruptcy:
0-59 days delinquent and accruing	$	33,726	$	47,731
60+ days delinquent and accruing	—		247
Non-accrual	19,006		12,284
Total consumer real estate loans to customers in bankruptcy	$	52,732	$	60,262

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

The table below summarizes TDR loans that defaulted during the three and six months ended June 30, 2015 and 2014, which were modified during the respective reporting period or within one year of the beginning of the respective reporting period. TCF considers a loan to have defaulted when it becomes 90 or more days delinquent under the modified terms, has been transferred to non-accrual status subsequent to the modification or has been transferred to other real estate owned or repossessed and returned assets.

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2015			2014			2015			2014
Loan balance:(1)
Consumer real estate:
First mortgage lien	$	1,054		$	561		$	1,297		$	2,056
Junior lien	197			662			486			1,642
Total consumer real estate	1,251			1,223			1,783			3,698
Commercial real estate	—			1,023			—			3,814
Inventory finance	—			7			—			7
Auto finance	202			66			383			125
Defaulted TDR loans modified during the applicable period	$	1,453		$	2,319		$	2,166		$	7,644
Total TDR loans modified in the applicable period	$	71,641		$	136,171		$	78,986		$	248,273
Defaulted modified TDR loans as a percent of total TDR loans modified in the applicable period	2.0		%	1.7		%	2.7		%	3.1		%

(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

The following table summarizes impaired loans.

	At June 30, 2015						At December 31, 2014
(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	$	152,706	$	127,790	$	19,260	$	114,526	$	101,668	$	18,140
Junior lien	72,801		61,225		7,028		65,413		55,405		9,427
Total consumer real estate	225,507		189,015		26,288		179,939		157,073		27,567
Commercial:
Commercial real estate	23,692		20,493		477		58,157		54,412		3,772
Commercial business	21		19		3		18		18		1
Total commercial	23,713		20,512		480		58,175		54,430		3,773
Leasing and equipment finance	6,179		6,179		646		8,257		8,257		1,457
Inventory finance	2,436		2,439		226		1,754		1,758		393
Auto finance	4,596		4,431		1,673		3,074		2,928		1,184
Other	17		19		4		92		89		4
Total impaired loans with an allowance recorded	262,448		222,595		29,317		251,291		224,535		34,378
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	9,542		5,568		—		53,606		35,147		—
Junior lien	25,635		20		—		33,796		7,398		—
Total consumer real estate	35,177		5,588		—		87,402		42,545		—
Commercial:
Commercial real estate	46,538		40,743		—		57,809		50,500		—
Commercial business	354		354		—		482		480		—
Total commercial	46,892		41,097		—		58,291		50,980		—
Inventory finance	456		460		—		848		851		—
Auto finance	2,108		1,198		—		1,484		748		—
Total impaired loans without an allowance recorded	84,633		48,343		—		148,025		95,124		—
Total impaired loans	$	347,081	$	270,938	$	29,317	$	399,316	$	319,659	$	34,378

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 during the three and six months ended June 30, 2015 and 2014 are included within the table below.

	Three Months Ended								Six Months Ended
	June 30, 2015				June 30, 2014				June 30, 2015				June 30, 2014
(In thousands)	Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized		Average Loan Balance		Interest Income Recognized
Impaired loans with an allowance recorded:
Consumer real estate:
First mortgage lien	$	115,432	$	1,340	$	518,048	$	3,879	$	114,729	$	2,458	$	518,031	$	7,632
Junior lien	58,827		788		72,968		885		58,315		1,540		72,689		1,793
Total consumer real estate	174,259		2,128		591,016		4,764		173,044		3,998		590,720		9,425
Commercial:
Commercial real estate	28,140		212		61,985		617		37,452		603		65,179		1,237
Commercial business	18		—		2,245		—		19		—		3,012		—
Total commercial	28,158		212		64,230		617		37,471		603		68,191		1,237
Leasing and equipment finance	7,066		2		7,955		46		7,218		8		8,249		52
Inventory finance	5,516		42		904		42		2,099		49		4,009		71
Auto finance	3,980		—		670		—		3,680		—		571		—
Other	19		1		85		2		53		1		90		3
Total impaired loans with an allowance recorded	218,998		2,385		664,860		5,471		223,565		4,659		671,830		10,788
Impaired loans without an allowance recorded:
Consumer real estate:
First mortgage lien	19,115		322		38,552		420		20,358		781		40,996		735
Junior lien	3,266		541		3,497		272		3,709		995		3,600		539
Total consumer real estate	22,381		863		42,049		692		24,067		1,776		44,596		1,274
Commercial:
Commercial real estate	42,003		372		69,766		646		45,622		1,167		73,508		1,438
Commercial business	404		5		6,620		42		417		5		6,122		77
Total commercial	42,407		377		76,386		688		46,039		1,172		79,630		1,515
Inventory finance	662		43		772		35		655		55		566		45
Auto finance	1,077		—		492		—		973		—		398		—
Total impaired loans without an allowance recorded	66,527		1,283		119,699		1,415		71,734		3,003		125,190		2,834
Total impaired loans	$	285,525	$	3,668	$	784,559	$	6,886	$	295,299	$	7,662	$	797,020	$	13,622

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Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2015

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 are presented in the table below.

	Three Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(11,140	)	$	4,207		$	(6,933	)	$	8,648		$	(3,257	)	$	5,391
Reclassification of net (gains) losses to net income	286			(108		)	178			(452		)	170			(282		)
Net unrealized gains (losses)	(10,854		)	4,099			(6,755		)	8,196			(3,087		)	5,109
Net investment hedges:
Unrealized gains (losses) arising during the period	(674		)	254			(420		)	(1,382		)	522			(860		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	617			—			617			1,399			—			1,399
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(11		)	5			(6		)	(11		)	4			(7		)
Total other comprehensive income (loss)	$	(10,922	)	$	4,358		$	(6,564	)	$	8,202		$	(2,561	)	$	5,641
	Six Months Ended June 30,
	2015									2014
(In thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Securities available for sale:
Unrealized gains (losses) arising during the period	$	(7,001	)	$	2,644		$	(4,357	)	$	20,514		$	(7,725	)	$	12,789
Reclassification of net (gains) losses to net income	590			(223		)	367			(629		)	236			(393		)
Net unrealized gains (losses)	(6,411		)	2,421			(3,990		)	19,885			(7,489		)	12,396
Net investment hedges:
Unrealized gains (losses) arising during the period	2,914			(1,101		)	1,813			(172		)	65			(107		)
Foreign currency translation adjustment:(1)
Unrealized gains (losses) arising during the period	(3,269		)	—			(3,269		)	23			—			23
Recognized postretirement prior service cost:
Reclassification of net (gains) losses to net income	(23		)	9			(14		)	(23		)	9			(14		)
Total other comprehensive income (loss)	$	(6,789	)	$	1,329		$	(5,460	)	$	19,713		$	(7,415	)	$	12,298

(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

Accumulated other comprehensive income (loss) balances are presented in the table below.

(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Three Months Ended June 30, 2015:
Balance, beginning of period	$	(6,126	)	$	4,769		$	(8,646	)	$	197		$	(9,806	)
Other comprehensive income (loss)	(6,933		)	(420		)	617			—			(6,736		)
Amounts reclassified from accumulated other comprehensive income (loss)	178			—			—			(6		)	172
Net other comprehensive income (loss)	(6,755		)	(420		)	617			(6		)	(6,564		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Three Months Ended June 30, 2014:
Balance, beginning of period	$	(19,696	)	$	1,344		$	(2,432	)	$	228		$	(20,556	)
Other comprehensive income (loss)	5,391			(860		)	1,399			—			5,930
Amounts reclassified from accumulated other comprehensive income (loss)	(282		)	—			—			(7		)	(289		)
Net other comprehensive income (loss)	5,109			(860		)	1,399			(7		)	5,641
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)
(In thousands)	Securities Available for Sale			Net Investment Hedges			Foreign Currency Translation Adjustment			Recognized Postretirement Prior Service Cost			Total
At or For the Six Months Ended June 30, 2015:
Balance, beginning of period	$	(8,891	)	$	2,536		$	(4,760	)	$	205		$	(10,910	)
Other comprehensive income (loss)	(4,357		)	1,813			(3,269		)	—			(5,813		)
Amounts reclassified from accumulated other comprehensive income (loss)	367			—			—			(14		)	353
Net other comprehensive income (loss)	(3,990		)	1,813			(3,269		)	(14		)	(5,460		)
Balance, end of period	$	(12,881	)	$	4,349		$	(8,029	)	$	191		$	(16,370	)
At or For the Six Months Ended June 30, 2014:
Balance, beginning of period	$	(26,983	)	$	591		$	(1,056	)	$	235		$	(27,213	)
Other comprehensive income (loss)	12,789			(107		)	23			—			12,705
Amounts reclassified from accumulated other comprehensive income (loss)	(393		)	—			—			(14		)	(407		)
Net other comprehensive income (loss)	12,396			(107		)	23			(14		)	12,298
Balance, end of period	$	(14,587	)	$	484		$	(1,033	)	$	221		$	(14,915	)

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Fair Values Disclosures

6 Months Ended

Jun. 30, 2015

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 and leases held for sale, forward foreign exchange contracts, interest rate contracts, other contracts, interest rate lock commitments, forward loan sales commitments and assets and liabilities held in trust for deferred compensation plans 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, interest-only strips, other real estate owned and repossessed and returned assets. These non-recurring fair value adjustments typically involve application of lower-of-cost-or-market accounting or write-downs of individual assets.

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

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.

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 certain other securities held to maturity, categorized as Level 3, is estimated based on discounted cash flows using current market rates and consideration of credit exposure or other internal pricing methods. 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. Other mortgage-backed securities, for which there is little or no market activity, are categorized as Level 3 assets and the fair value of these assets is determined by using internal pricing methods. The fair value of other securities, categorized as Level 1, is based upon prices obtained in an active market.

Loans and Leases Held for Sale Loans and leases held for sale are generally carried at the lower of cost or fair value. The cost of loans held for sale includes the unpaid principal balance, net of deferred loan fees and costs. 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 and leases 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 and leases 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 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.

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, in accordance with GAAP, 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 swaps 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 risk exposure resulting from such transactions. TCF also entered into an interest rate swap to convert its fixed-rate 2025 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.

Other Contracts TCF entered into a swap agreement related to the sale of TCF's Visa Class B stock, categorized as Level 3. The fair value of the Visa 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.

Interest Rate Lock Commitments and Forward Loan Sales Commitments TCF's interest rate lock commitments are derivative instruments which 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.

Interest-Only Strips The fair value of interest-only strips, categorized as Level 3, represents the present value of future cash flows retained 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.

Other Real Estate Owned and Repossessed and Returned Assets The fair value of other real estate owned 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 and repossessed and returned assets were written down $4.0 million and $7.5 million, which was included in foreclosed real estate and repossessed assets, net expense for the three and six months ended June 30, 2015, respectively, compared with $2.9 million and $6.2 million for the same periods in 2014.

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.

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.

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, as commitments and standby letters of credit similar to TCF's are not actively traded. 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 following tables present the balances of assets and liabilities measured at fair value on a recurring and non-recurring basis.

	Fair Value Measurements at June 30, 2015
(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	$	—	$	591,907	$	—	$	591,907
Other	—		—		45		45
Obligations of states and political subdivisions	—		37,718		—		37,718
Other securities	178		—		—		178
Loans and leases held for sale	—		—		4,962		4,962
Forward foreign exchange contracts(1)	—		5,128		—		5,128
Interest rate contracts(1)	—		1,722		—		1,722
Interest rate lock commitments(1)	—		—		455		455
Forward loan sales commitments	—		—		52		52
Assets held in trust for deferred compensation plans	19,435		—		—		19,435
Total assets	$	19,613	$	636,475	$	5,514	$	661,602
Interest rate contracts(1)	$	—	$	6,054	$	—	$	6,054
Forward loan sales commitments	—		—		57		57
Liabilities held in trust for deferred compensation plans	19,435		—		—		19,435
Other contracts(1)	—		—		465		465
Total liabilities	$	19,435	$	6,054	$	522	$	26,011
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,332	$	1,332
Loans	—		—		149,037		149,037
Interest-only strips	—		—		4,505		4,505
Other real estate owned:
Consumer	—		—		39,140		39,140
Commercial	—		—		3,622		3,622
Repossessed and returned assets	—		2,609		1,302		3,911
Total non-recurring fair value measurements	$	—	$	2,609	$	198,938	$	201,547

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances are presented gross of this netting adjustment.

	Fair Value Measurements at December 31, 2014
(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	$	—	$	463,239	$	—	$	463,239
Other	—		—		55		55
Loans and leases held for sale	—		—		3,308		3,308
Forward foreign exchange contracts(1)	—		3,211		—		3,211
Interest rate contracts(1)	—		1,798		—		1,798
Interest rate lock commitments(1)	—		—		285		285
Forward loan sales commitments	—		—		19		19
Assets held in trust for deferred compensation plans	18,703		—		—		18,703
Total assets	$	18,703	$	468,248	$	3,667	$	490,618
Forward foreign exchange contracts(1)	$	—	$	177	$	—	$	177
Interest rate contracts(1)	—		1,877		—		1,877
Forward loan sales commitments	—		—		42		42
Liabilities held in trust for deferred compensation plans	18,703		—		—		18,703
Other contracts(1)	—		—		621		621
Total liabilities	$	18,703	$	2,054	$	663	$	21,420
Non-recurring Fair Value Measurements:
Securities held to maturity	$	—	$	—	$	1,516	$	1,516
Loans	—		—		164,897		164,897
Interest-only strips	—		—		41,204		41,204
Other real estate owned:
Consumer	—		—		40,502		40,502
Commercial	—		4,839		8,866		13,705
Repossessed and returned assets	—		1,563		1,425		2,988
Total non-recurring fair value measurements	$	—	$	6,402	$	258,410	$	264,812

(1) As permitted under GAAP, TCF has elected to net derivative receivables and derivative payables 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 receivable and derivative payable balances 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 availability of 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 six months ended June 30, 2015 and 2014.

The following table presents changes in Level 3 assets and liabilities measured at fair value on a recurring basis.

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments			Forward Loan Sales Commitments			Other Contracts
At or For the Three Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	50		$	6,248		$	589		$	(113	)	$	(544	)
Total net gains (losses) included in:
Net income	—			(58		)	(134		)	108			—
Sales	—			(74,489		)	—			—			—
Originations	—			73,261			—			—			—
Principal paydowns / settlements	(5		)	—			—			—			79
Asset (liability) balance, end of period	$	45		$	4,962		$	455		$	(5	)	$	(465	)
At or For the Three Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	87		$	—		$	—		$	—		$	(819	)
Principal paydowns / settlements	(6		)	—			—			—			82
Asset (liability) balance, end of period	$	81		$	—		$	—		$	—		$	(737	)

(In thousands)	Securities Available for Sale			Loans and Leases Held for Sale			Interest Rate Lock Commitments		Forward Loan Sales Commitments			Other Contracts
At or For the Six Months Ended June 30, 2015:
Asset (liability) balance, beginning of period	$	55		$	3,308		$	285	$	(23	)	$	(621	)
Total net gains (losses) included in:
Net income	—			32			170		18			—
Sales	—			(136,264		)	—		—			—
Originations	—			137,886			—		—			—
Principal paydowns / settlements	(10		)	—			—		—			156
Asset (liability) balance, end of period	$	45		$	4,962		$	455	$	(5	)	$	(465	)
At or For the Six Months Ended June 30, 2014:
Asset (liability) balance, beginning of period	$	93		$	—		$	—	$	—		$	(899	)
Principal paydowns / settlements	(12		)	—			—		—			162
Asset (liability) balance, end of period	$	81		$	—		$	—	$	—		$	(737	)

Fair Value Option

In the third quarter of 2014, TCF initiated a correspondent lending program in which TCF Bank originates consumer mortgage loans and sells them to a wholesale partner. 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 following table presents the difference between the aggregate fair value and aggregate unpaid principal balance of these loans held for sale.

(In thousands)	At June 30, 2015		At December 31, 2014
Fair value carrying amount	$	4,962	$	3,308
Aggregate unpaid principal amount	4,840		3,205
Fair value carrying amount less aggregate unpaid principal	$	122	$	103

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 June 30, 2015 or December 31, 2014. 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 $3.0 million for the six months ended June 30, 2015, and is included in gains on sales of consumer real estate loans, net. This amount excludes the impact from the hedging arrangements 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 June 30, 2015 and December 31, 2014, 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 following tables present 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. 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 June 30, 2015
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	78,518		$	—	$	78,518		$	—	$	78,518
Securities held to maturity	208,911			—		208,615			4,732		213,347
Loans and leases held for sale	200,034			—		—			211,733		211,733
Loans:
Consumer real estate	5,544,029			—		—			5,662,803		5,662,803
Commercial real estate	2,535,794			—		—			2,480,050		2,480,050
Commercial business	576,550			—		—			555,120		555,120
Equipment finance	1,836,808			—		—			1,821,704		1,821,704
Inventory finance	2,106,087			—		—			2,092,911		2,092,911
Auto finance	2,301,714			—		—			2,315,076		2,315,076
Other	21,852			—		—			19,585		19,585
Allowance for loan losses(1)	(156,115		)	—		—			—		—
Interest-only strips(2)	55,944			—		—			59,135		59,135
Total financial instrument assets	$	15,310,126		$	—	$	287,133		$	15,222,849	$	15,509,982
Financial instrument liabilities:
Deposits	$	15,827,219		$	12,630,989	$	3,213,957		$	—	$	15,844,946
Long-term borrowings	1,210,736			—		1,217,737			5,390		1,223,127
Total financial instrument liabilities	$	17,037,955		$	12,630,989	$	4,431,694		$	5,390	$	17,068,073
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	24,627		$	—	$	24,627		$	—	$	24,627
Standby letters of credit	(64		)	—		(64		)	—		(64		)
Total financial instruments with off-balance sheet risk	$	24,563		$	—	$	24,563		$	—	$	24,563

(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, 2014
(In thousands)				Level 1		Level 2			Level 3		Total
Financial instrument assets:
Investments	$	85,492		$	—	$	85,492		$	—	$	85,492
Securities held to maturity	214,454			—		217,418			4,916		222,334
Loans and leases held for sale	132,266			—		—			139,370		139,370
Loans:
Consumer real estate	5,682,364			—		—			5,836,770		5,836,770
Commercial real estate	2,624,255			—		—			2,575,625		2,575,625
Commercial business	533,410			—		—			512,083		512,083
Equipment finance	1,806,808			—		—			1,787,271		1,787,271
Inventory finance	1,877,090			—		—			1,864,786		1,864,786
Auto finance	1,915,061			—		—			1,927,384		1,927,384
Other	24,144			—		—			18,724		18,724
Allowance for loan losses(1)	(164,169		)	—		—			—		—
Interest-only strips(2)	69,789			—		—			73,058		73,058
Total financial instrument assets	$	14,800,964		$	—	$	302,910		$	14,739,987	$	15,042,897
Financial instrument liabilities:
Deposits	$	15,449,882		$	12,400,693	$	3,063,850		$	—	$	15,464,543
Long-term borrowings	1,232,065			—		1,246,221			8,054		1,254,275
Total financial instrument liabilities	$	16,681,947		$	12,400,693	$	4,310,071		$	8,054	$	16,718,818
Financial instruments with off-balance sheet risk:(3)
Commitments to extend credit	$	25,885		$	—	$	25,885		$	—	$	25,885
Standby letters of credit	(47		)	—		(47		)	—		(47		)
Total financial instruments with off-balance sheet risk	$	25,838		$	—	$	25,838		$	—	$	25,838

(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.