Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands		Common stock	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Retained earnings	Treasury stock	Accumulated other comprehensive income (loss)	Cumulative Effect, Period of Adoption, Adjustment	Total
Beginning Balance (in shares) at Dec. 31, 2021		10,391
Beginning balance at Dec. 31, 2021		$ 94,003				$ 322
Increase (Decrease) in Stockholders' Equity
Dividends on common stock		$ 37
Common stock issued & related tax effects (in shares)	[1]	102
Common stock issued & related tax effects	[1]	$ 813
Ending Balance (in shares) at Mar. 31, 2022		10,493
Ending balance at Mar. 31, 2022		$ 94,853				608
Beginning Balance (in shares) at Dec. 31, 2021		10,391
Beginning balance at Dec. 31, 2021		$ 94,003				322
Increase (Decrease) in Stockholders' Equity
Net income								$ 18,559
Other comprehensive income, net of tax						(2,944)		(2,944)
Ending Balance (in shares) at Jun. 30, 2022		10,511
Ending balance at Jun. 30, 2022		$ 95,650				(2,622)
Beginning Balance (in shares) at Mar. 31, 2022		10,493
Beginning balance at Mar. 31, 2022		$ 94,853				608
Increase (Decrease) in Stockholders' Equity
Net income								9,451
Other comprehensive income, net of tax						(3,230)		(3,230)
Dividends on common stock		$ 43
Common stock issued & related tax effects (in shares)	[1]	18
Common stock issued & related tax effects	[1]	$ 754
Ending Balance (in shares) at Jun. 30, 2022		10,511
Ending balance at Jun. 30, 2022		$ 95,650				(2,622)
Increase (Decrease) in Stockholders' Equity
Effect of adopting Accounting Standards Update ("ASU") No. 2016-13 ("CECL")								$ (156,958)
Beginning Balance (in shares) at Dec. 31, 2022		10,584						10,584
Beginning balance at Dec. 31, 2022		$ 97,204	$ 649	$ 156,958	$ (11,675)	(3,260)	$ 649	$ 239,227
Increase (Decrease) in Stockholders' Equity
Net income				10,287				10,287
Other comprehensive income, net of tax						81		81
Dividends on common stock (in shares)		2
Dividends on common stock		$ 46		(1,261)				(1,215)
Common stock issued & related tax effects (in shares)	[1]	44
Common stock issued & related tax effects	[1]	$ 947						947
Treasury stock purchased, at cost (in shares)		(338)
Treasury stock purchased, at cost					(8,219)			(8,219)
Ending Balance (in shares) at Mar. 31, 2023		10,292
Ending balance at Mar. 31, 2023		$ 98,197		165,335	(19,894)	(3,179)		$ 240,459
Beginning Balance (in shares) at Dec. 31, 2022		10,584						10,584
Beginning balance at Dec. 31, 2022		$ 97,204	$ 649	156,958	(11,675)	(3,260)	$ 649	$ 239,227
Increase (Decrease) in Stockholders' Equity
Net income								19,987
Other comprehensive income, net of tax						(363)		$ (363)
Ending Balance (in shares) at Jun. 30, 2023		10,119						10,119
Ending balance at Jun. 30, 2023		$ 98,910		173,823	(25,037)	(3,623)		$ 244,073
Beginning Balance (in shares) at Mar. 31, 2023		10,292
Beginning balance at Mar. 31, 2023		$ 98,197		165,335	(19,894)	(3,179)		240,459
Increase (Decrease) in Stockholders' Equity
Net income				9,700				9,700
Other comprehensive income, net of tax						(444)		(444)
Dividends on common stock (in shares)		2
Dividends on common stock		$ 47		(1,212)				(1,165)
Common stock issued & related tax effects (in shares)	[1]	50
Common stock issued & related tax effects	[1]	$ 666						666
Treasury stock purchased, at cost (in shares)		(225)
Treasury stock purchased, at cost					(5,143)			$ (5,143)
Ending Balance (in shares) at Jun. 30, 2023		10,119						10,119
Ending balance at Jun. 30, 2023		$ 98,910		$ 173,823	$ (25,037)	$ (3,623)		$ 244,073
Increase (Decrease) in Stockholders' Equity
Effect of adopting Accounting Standards Update ("ASU") No. 2016-13 ("CECL")								$ (173,823)

[1] Includes the issuance of common stock under employee benefit plans, which includes nonqualified stock options and restricted stock expense related entries, employee option exercises and the tax benefit of options exercised.