CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - UNAUDITED (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.34	$ 0.32
Stock option plan (in shares)	8,897	102,365
Employee stock purchase plan (in shares)	9,581	20,417
Restricted stock (in shares)	25,500	7,830