CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - UNAUDITED - (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.30	$ 0.30	$ 0.90	$ 0.88
Stock issued during period (in shares)			12,768,949
Stock option plan (in shares)	1,575	1,325	10,213	12,222
Conversion of Revere stock options (in shares)			395,298
Employee stock purchase plan (in shares)	21,374	9,544	50,189	27,210
Restricted stock (in shares)	1,808		46,386	54,789
Director stock purchase plan (in shares)				867
Stock repurchased and retired (in shares)			820,328