CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Other comprehensive income, tax	$ 6,181	$ 3,672	$ (8,835)	$ 327	$ 3,415	$ 3,890
Issuance of preferred stock, shares					17,250
Dividends on common stock (in dollars per share)	$ 0.28	$ 0.28	$ 0.25	$ 0.25	$ 0.25	$ 0.25
Dividends on preferred stock (in dollars per share)	$ 171.88	$ 171.88	$ 171.88	$ 156.60
Stock purchased under stock repurchase plan, shares	2,288,961	1,090,169				1,493,472
Issuance of common stock under Equity Compensation Plans, for services rendered, and vesting of restricted stock, shares	11,953	35,693	243,884	11,601	30,120	183,750