Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per common share

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

	Year Ended December 31,
(Dollars in thousands, except per share data)	2018		2017		2016
Basic Earnings Per Common Share:
Net income attributable to TCF Financial Corporation	$	304,358	$	268,637	$	212,124
Preferred stock dividends	11,588		19,904		19,388
Impact of preferred stock redemption(1)	3,481		5,779		—
Net income available to common stockholders	289,289		242,954		192,736
Less: Earnings allocated to participating securities	42		42		49
Earnings allocated to common stock	$	289,247	$	242,912	$	192,687
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,585,493		168,679,501		167,219,964
Basic earnings per common share	$	1.75	$	1.44	$	1.15
Diluted Earnings Per Common Share:
Earnings allocated to common stock	$	289,247	$	242,912	$	192,687
Weighted-average common shares outstanding used in basic earnings per common share calculation	165,585,493		168,679,501		167,219,964
Net dilutive effect of:
Non-participating restricted stock	600,884		353,610		505,162
Stock options	2,332		28,625		82,325
Warrants	372,996		27,508		—
Weighted-average common shares outstanding used in diluted earnings per common share calculation	166,561,705		169,089,244		167,807,451
Diluted earnings per common share	$	1.74	$	1.44	$	1.15

(1) Amounts represent the deferred stock issuance costs originally recorded in preferred stock that were reclassified to retained earnings.