Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss), net of Tax
Beginning balance (in shares) at Dec. 31, 2023		22,051,000
Beginning balance, value at Dec. 31, 2023	$ 234,718	$ 5,513	$ 9,605	$ 236,037	$ (16,437)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,388)			(3,388)
Stock-based compensation expense	208		208
Exercise of stock options and vesting of restricted stock units, net (in shares)		4,000
Exercise of stock options and vesting of restricted stock units, net	(26)	$ 1	(27)
Repurchase of common stock (in shares)		(56,000)
Repurchase of common stock	(788)	$ (14)	(774)
Other comprehensive income (loss), net of tax	404				404
Net income	8,199			8,199
Ending balance (in shares) at Mar. 31, 2024		21,999,000
Ending balance, value at Mar. 31, 2024	239,327	$ 5,500	9,012	240,848	(16,033)
Beginning balance (in shares) at Dec. 31, 2023		22,051,000
Beginning balance, value at Dec. 31, 2023	234,718	$ 5,513	9,605	236,037	(16,437)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	9,682
Net income	26,044
Ending balance (in shares) at Sep. 30, 2024		22,007,000
Ending balance, value at Sep. 30, 2024	260,050	$ 5,502	9,460	251,842	(6,754)
Beginning balance (in shares) at Mar. 31, 2024		21,999,000
Beginning balance, value at Mar. 31, 2024	239,327	$ 5,500	9,012	240,848	(16,033)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,393)			(3,393)
Stock-based compensation expense	219		219
Exercise of stock options and vesting of restricted stock units, net (in shares)		8,000
Exercise of stock options and vesting of restricted stock units, net	(21)	$ 2	(23)
Other comprehensive income (loss), net of tax	2,048				2,048
Net income	9,020			9,020
Ending balance (in shares) at Jun. 30, 2024		22,007,000
Ending balance, value at Jun. 30, 2024	247,200	$ 5,502	9,208	246,475	(13,985)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,458)			(3,458)
Stock-based compensation expense	265		265
Exercise of stock options and vesting of restricted stock units, net	(13)		(13)
Other comprehensive income (loss), net of tax	7,231				7,231
Net income	8,825			8,825
Ending balance (in shares) at Sep. 30, 2024		22,007,000
Ending balance, value at Sep. 30, 2024	260,050	$ 5,502	9,460	251,842	(6,754)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,458)			(3,458)
Stock-based compensation expense	221		221
Exercise of stock options and vesting of restricted stock units, net (in shares)		64,000
Exercise of stock options and vesting of restricted stock units, net	(354)	$ 16	(370)
Other comprehensive income (loss), net of tax	(270)				(270)
Net income	$ 10,927			10,927
Ending balance (in shares) at Dec. 31, 2024	22,072,840	22,071,000
Ending balance, value at Dec. 31, 2024	$ 267,116	$ 5,518	9,311	259,311	(7,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,573)			(3,573)
Stock-based compensation expense	232		232
Exercise of stock options and vesting of restricted stock units, net (in shares)		12,000
Exercise of stock options and vesting of restricted stock units, net	(17)	$ 3	(20)
Other comprehensive income (loss), net of tax	2,674				2,674
Net income	13,324			13,324
Ending balance (in shares) at Mar. 31, 2025		22,083,000
Ending balance, value at Mar. 31, 2025	$ 279,756	$ 5,521	9,523	269,062	(4,350)
Beginning balance (in shares) at Dec. 31, 2024	22,072,840	22,071,000
Beginning balance, value at Dec. 31, 2024	$ 267,116	$ 5,518	9,311	259,311	(7,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	6,253
Net income	$ 52,167
Ending balance (in shares) at Sep. 30, 2025	22,090,668	22,091,000
Ending balance, value at Sep. 30, 2025	$ 315,663	$ 5,523	10,183	300,729	(772)
Beginning balance (in shares) at Mar. 31, 2025		22,083,000
Beginning balance, value at Mar. 31, 2025	279,756	$ 5,521	9,523	269,062	(4,350)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,585)			(3,585)
Stock-based compensation expense	327		327
Exercise of stock options and vesting of restricted stock units, net (in shares)		4,000
Exercise of stock options and vesting of restricted stock units, net	(12)	$ 1	(13)
Other comprehensive income (loss), net of tax	1,955				1,955
Net income	11,778			11,778
Ending balance (in shares) at Jun. 30, 2025		22,087,000
Ending balance, value at Jun. 30, 2025	290,219	$ 5,522	9,837	277,255	(2,395)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend on common stock	(3,591)			(3,591)
Stock-based compensation expense	363		363
Exercise of stock options and vesting of restricted stock units, net (in shares)		4,000
Exercise of stock options and vesting of restricted stock units, net	(16)	$ 1	(17)
Other comprehensive income (loss), net of tax	1,623				1,623
Net income	$ 27,065			27,065
Ending balance (in shares) at Sep. 30, 2025	22,090,668	22,091,000
Ending balance, value at Sep. 30, 2025	$ 315,663	$ 5,523	$ 10,183	$ 300,729	$ (772)