Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other comprehensive income, tax expense	$ 220	$ 167
Income tax benefit	$ 122	$ 151
ESOP, shares earned	1,984	1,984
Compensation plan shares granted	20,830	5,186
Compensation plan shares earned	1,889	5,518
Purchase of treasury stock, shares	26,900	7,300
Cash dividends declared, value per share	$ 0.12	$ 0.12
Accounting Standards Update 2016-02 [Member]
Income tax benefit		$ (2)