CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Surplus	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2020			27,457,306
Beginning balance at Dec. 31, 2020	$ 363,917		$ 275	$ 190,875	$ 154,614		$ 18,153	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	56,271				56,271
Other comprehensive income	(16,682)						(16,682)
Stock-based compensation	764			764
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings (in shares)			20,225
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings	0			0
Issuance of common stock in town and country acquisition (in shares)			1,799,016
Issuance of common stock in Town and Country acquisition	29,270		$ 18	29,252
Repurchase of common stock (in shares)			(290,486)
Repurchase of common stock	(4,906)							(4,906)
Cash dividends and dividend equivalents	(16,753)				(16,753)
Ending balance (in shares) at Dec. 31, 2021			28,986,061
Ending balance at Dec. 31, 2021	411,881		$ 293	220,891	194,132		1,471	(4,906)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	56,456				56,456
Other comprehensive income	(73,230)						(73,230)
Stock-based compensation	1,949			1,949
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings (in shares)			31,944
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings	(57)			(57)
Repurchase of common stock (in shares)			(265,379)
Repurchase of common stock	(4,783)							(4,783)
Cash dividends and dividend equivalents	$ (18,584)				(18,584)
Ending balance (in shares) at Dec. 31, 2022	28,752,626		28,752,626
Ending balance at Dec. 31, 2022	$ 373,632	$ (6,922)	$ 293	222,783	232,004	$ (6,922)	(71,759)	(9,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	65,842				65,842
Other comprehensive income	14,596						14,596
Stock-based compensation	1,953			1,953
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings (in shares)			43,607
Issuance of common stock upon vesting of restricted stock units, net of tax withholdings	(181)			(181)
Issuance of common stock in town and country acquisition (in shares)			3,378,600
Issuance of common stock in Town and Country acquisition	71,356		$ 34	71,322
Repurchase of common stock (in shares)			(479,005)
Repurchase of common stock	(8,907)							(8,907)
Cash dividends and dividend equivalents	$ (21,873)				(21,873)
Ending balance (in shares) at Dec. 31, 2023	31,695,828		31,695,828
Ending balance at Dec. 31, 2023	$ 489,496		$ 327	$ 295,877	$ 269,051		$ (57,163)	$ (18,596)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]