Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock Outstanding [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member]	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2019							0	18,376,991
Balance at Dec. 31, 2019							$ 0	$ 18,377	$ 192,413	$ 219,535	$ (1,506)	$ 428,819
Net income							0	0	0	35,926	0	35,926
Other comprehensive loss							0	0	0	0	(417)	(417)
Common dividends declared							$ 0	$ 0	0	(17,876)	0	(17,876)
Equity-based compensation expense (in shares)							0	57,476
Equity-based compensation expense							$ 0	$ 58	1,585	0	0	$ 1,643
Issuance of stock to 401(k) plan, shares (in shares)							0	22,693				22,693
Issuance of stock to 401(k) plan							$ 0	$ 23	484	0	0	$ 507
Repurchase of common shares (in shares)								(734,653)				(734,653)
Repurchase of common shares								$ (735)	(21,137)	0	0	$ (21,872)
Balance (in shares) at Dec. 31, 2020							0	17,722,507
Balance at Dec. 31, 2020	$ 0	$ 0	$ 0	$ (5,870)	$ 0	$ (5,870)	$ 0	$ 17,723	173,345	237,585	(1,923)	426,730
Net income							0	0	0	51,168	0	51,168
Other comprehensive loss							0	0	0	0	377	377
Common dividends declared							$ 0	$ 0	0	(18,059)	0	(18,059)
Equity-based compensation expense (in shares)							0	48,388
Equity-based compensation expense							$ 0	$ 48	1,233	0	0	$ 1,281
Issuance of stock to 401(k) plan, shares (in shares)							0	16,716				16,716
Issuance of stock to 401(k) plan							$ 0	$ 16	476	0	0	$ 492
Repurchase of common shares (in shares)							0	(949,386)				(949,386)
Repurchase of common shares							$ 0	$ (949)	(27,933)	0	0	$ (28,882)
Common stock options exercised, shares (in shares)							0	39,995				39,995
Common stock options exercised							$ 0	$ 40	498	0	0	$ 538
Balance (in shares) at Dec. 31, 2021							0	16,878,220
Balance at Dec. 31, 2021							$ 0	$ 16,878	147,619	264,824	(1,546)	427,775	[1]
Net income							0	0	0	46,662	0	46,662
Other comprehensive loss							0	0	0	0	(14,173)	(14,173)
Common dividends declared							$ 0	$ 0	0	(18,515)	0	(18,515)
Equity-based compensation expense (in shares)							0	25,137
Equity-based compensation expense							$ 0	$ 25	693	0	0	$ 718
Issuance of stock to 401(k) plan, shares (in shares)							0	20,584				20,584
Issuance of stock to 401(k) plan							$ 0	$ 20	637	0	0	$ 657
Repurchase of common shares (in shares)							0	(706,117)				(706,117)
Repurchase of common shares							$ 0	$ (706)	(20,605)	0	0	$ (21,311)
Common stock options exercised, shares (in shares)							0	7,575				7,575
Common stock options exercised							$ 0	$ 8	164	0	0	$ 172
Balance (in shares) at Dec. 31, 2022							0	16,225,399
Balance at Dec. 31, 2022							$ 0	$ 16,225	$ 128,508	$ 292,971	$ (15,719)	$ 421,985

[1] Derived from audited financial statements