Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data

Selected Quarterly Financial Data (Unaudited)

	Quarter Ended
(In thousands, except per share data)	Dec. 31, 2020		Sep. 30, 2020		Jun. 30, 2020		Mar. 31, 2020		Dec. 31, 2019		Sep. 30, 2019		Jun. 30, 2019		Mar. 31, 2019
Net interest income	$	381,394	$	377,167	$	378,359	$	401,481	$	408,753	$	371,793	$	254,057	$	254,429
Provision for credit losses	11,818		69,664		78,726		96,943		14,403		27,188		13,569		10,122
Net interest income after provision for credit losses	369,576		307,503		299,633		304,538		394,350		344,605		240,488		244,307
Noninterest income	127,236		118,810		133,054		136,963		158,052		94,258		109,718		103,504
Noninterest expense	379,091		373,440		400,241		374,599		416,571		425,620		236,849		253,075
Income before income tax expense (benefit)	117,721		52,873		32,446		66,902		135,831		13,243		113,357		94,736
Income tax expense (benefit)	25,031		(4,429)		6,213		13,086		21,375		(11,735)		19,314		21,287
Income after income tax expense (benefit)	92,690		57,302		26,233		53,816		114,456		24,978		94,043		73,449
Income attributable to non-controlling interest	1,332		1,564		2,469		1,917		2,057		2,830		3,616		2,955
Net income attributable to TCF Financial Corporation	91,358		55,738		23,764		51,899		112,399		22,148		90,427		70,494
Preferred stock dividends	2,494		2,494		2,494		2,493		2,494		2,494		2,494		2,493
Net income available to common shareholders	$	88,864	$	53,244	$	21,270	$	49,406	$	109,905	$	19,654	$	87,933	$	68,001
Earnings per common share:
Basic	$	0.58	$	0.35	$	0.14	$	0.33	$	0.72	$	0.15	$	1.07	$	0.83
Diluted	0.58		0.35		0.14		0.32		0.72		0.15		1.07		0.83