Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2019

Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]

Schedule of Regulatory Capital Information for TCF and TCF Bank

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

	TCF						TCF Bank
	At December 31,						At December 31,
(Dollars in thousands)	2019			2018			2019			2018			Well-capitalized Standard		Minimum Capital Requirement(1)
Regulatory Capital:
Common equity Tier 1 capital	$	4,050,826		$	2,224,183		$	4,039,191		$	2,282,013
Tier 1 capital	4,236,648			2,408,393			4,059,417			2,300,472
Total capital	4,681,630			2,750,581			4,524,051			2,675,347
Regulatory Capital Ratios:
Common equity Tier 1 capital ratio	10.99		%	10.82		%	10.97		%	11.10		%	6.50	%	4.50	%
Tier 1 risk-based capital ratio	11.49			11.72			11.03			11.19			8.00		6.00
Total risk-based capital ratio	12.70			13.38			12.29			13.01			10.00		8.00
Tier 1 leverage ratio	9.49			10.44			9.10			9.97			5.00		4.00

(1)

Excludes capital conservation buffer of 2.5% and 1.875% at December 31, 2019 and 2018, respectively.