Unaudited Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]
Dividends paid per common share (in dollars per share)	$ 0.120	$ 0.115	$ 0.355	$ 0.345
Common stock held by ESOP committed to be released, shares (in shares)	6,612	7,107	19,836	21,231