Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total	Cumulative Change, Adjusted Balance [Member] Common Stock [Member]	Cumulative Change, Adjusted Balance [Member] Retained Earnings [Member]	Cumulative Change, Adjusted Balance [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Change, Adjusted Balance [Member]	Cumulative Change, Adjustment [Member] Common Stock [Member]	Cumulative Change, Adjustment [Member] Retained Earnings [Member]	Cumulative Change, Adjustment [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Change, Adjustment [Member]
Balance at beginning of period at Dec. 31, 2020	$ 339,353	$ 40,145	$ 10,024	$ 389,522
Balance at beginning of period (ASU 2016-13 [Member]) at Dec. 31, 2020					$ 339,353	$ 29,842	$ 10,024	$ 379,219	$ 0	$ (10,303)	$ 0	$ (10,303)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	34,425	0	34,425
Cash dividends declared	0	(9,166)	0	(9,166)
Repurchase of common stock	(7,285)	0	0	(7,285)
Issuance of common stock	49	0	0	49
Share based compensation	947	0	0	947
Share based compensation withholding obligation	(607)	0	0	(607)
Other comprehensive income (loss)	0	0	(1,608)	(1,608)
Balances at end of period at Jun. 30, 2021	332,457	55,101	8,416	395,974
Balance at beginning of period at Mar. 31, 2021	335,704	47,287	4,338	387,329
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	12,388	0	12,388
Cash dividends declared	0	(4,574)	0	(4,574)
Repurchase of common stock	(3,684)	0	0	(3,684)
Issuance of common stock	30	0	0	30
Share based compensation	505	0	0	505
Share based compensation withholding obligation	(98)	0	0	(98)
Other comprehensive income (loss)	0	0	4,078	4,078
Balances at end of period at Jun. 30, 2021	332,457	55,101	8,416	395,974
Balance at beginning of period at Dec. 31, 2021	323,401	74,582	501	398,484
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	30,968	0	30,968
Cash dividends declared	0	(9,298)	0	(9,298)
Repurchase of common stock	(4,010)	0	0	(4,010)
Issuance of common stock	32	0	0	32
Share based compensation	1,054	0	0	1,054
Share based compensation withholding obligation	(592)	0	0	(592)
Other comprehensive income (loss)	0	0	(85,504)	(85,504)
Balances at end of period at Jun. 30, 2022	319,885	96,252	(85,003)	331,134
Balance at beginning of period at Mar. 31, 2022	321,981	87,882	(54,414)	355,449
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	13,001	0	13,001
Cash dividends declared	0	(4,631)	0	(4,631)
Repurchase of common stock	(2,626)	0	0	(2,626)
Issuance of common stock	19	0	0	19
Share based compensation	543	0	0	543
Share based compensation withholding obligation	(32)	0	0	(32)
Other comprehensive income (loss)	0	0	(30,589)	(30,589)
Balances at end of period at Jun. 30, 2022	$ 319,885	$ 96,252	$ (85,003)	$ 331,134