Consolidated Statements of Changes in Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Forfeiture of restricted stock award grants (in shares)		2,699		2,699
Restricted stock award grants (in shares)	1,808		36,968	39,790
Issuance of common stock, net of issuance costs (in shares)			115,790
Performance-based restricted stock award (in shares)		798	8,351	798
Purchase of treasury stock (in shares)	66,600		66,600	40,000
Cash dividends declared (in dollars per share)	$ 0.17	$ 0.17	$ 0.51	$ 0.51
Restricted Stock
Purchase of treasury stock (in shares)		217	7,267	9,088
Performance Shares
Purchase of treasury stock (in shares)		294	3,458	294