Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity
Other comprehensive income (loss), tax	$ (478)	$ (504)
Cash dividends (in dollars per share)	$ 0.375	$ 0.36
Issuance of common stock - unvested shares (in shares)	7,889	5,884
Issuance of common stock - vested shares (in shares)	4,293	4,149
Issuance of common stock - performance-based restricted stock units (in shares)	826
Repurchase of common stock (in shares)	2,007	960