Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Increase (Decrease) in Stockholders' Equity
Other comprehensive income (loss), tax	$ (220)	$ 55	$ (441)	$ 244
Cash dividends (in dollars per share)	$ 0.12	$ 0.12	$ 0.24	$ 0.24
Issuance of common stock - unvested shares (in shares)			5,884	7,333
Issuance of common stock - vested shares (in shares)		233	4,149	4,194
Repurchase of common stock (in shares)	520		960	368