CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Total Stockholders’ Equity	Total Stockholders’ Equity Cumulative Effect, Period of Adoption, Adjustment	Total Stockholders’ Equity Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Noncontrolling Interest	Noncontrolling Interest Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance (in shares) at Dec. 31, 2023							25,430,566	25,430,566
Beginning balance at Dec. 31, 2023	$ 649,793	$ (532)	$ 649,261	$ 649,704	$ (532)	$ 649,172	$ 127,692	$ 127,692	$ 692,760	$ (532)	$ 692,228	$ (155,195)	$ (155,195)	$ (15,553)	$ (15,553)	$ 89	$ 89
Comprehensive income:
Net income	23,401			23,401					23,401
Other comprehensive income (loss), net of tax	(11,718)			(11,718)								(11,718)
Cash dividends declared and paid	(12,299)			(12,299)					(12,299)
Treasury shares purchased under deferred directors' plan (in shares)							(3,230)
Treasury shares purchased under deferred directors' plan	0			0			$ 208							(208)
Treasury shares sold and distributed under deferred directors' plan (in shares)							13,275
Treasury shares sold and distributed under deferred directors' plan	0			0			$ (391)							391
Stock activity under equity compensation plans (in shares)							62,814
Stock activity under equity compensation plans	(2,516)			(2,516)			$ (2,516)
Stock based compensation expense	880			880			$ 880
Ending balance (in shares) at Mar. 31, 2024							25,503,425
Ending balance at Mar. 31, 2024	$ 647,009			646,920			$ 125,873		703,330			(166,913)		(15,370)		89
Beginning balance (in shares) at Dec. 31, 2024	25,509,592						25,509,592
Beginning balance at Dec. 31, 2024	$ 683,911			683,822			$ 129,664		736,412			(166,500)		(15,754)		89
Comprehensive income:
Net income	20,085			20,085					20,085
Other comprehensive income (loss), net of tax	2,621			2,621								2,621
Cash dividends declared and paid	(12,847)			(12,847)					(12,847)
Treasury shares purchased under deferred directors' plan (in shares)							(3,095)
Treasury shares purchased under deferred directors' plan	0			0			$ 215							(215)
Treasury shares sold and distributed under deferred directors' plan (in shares)							12,744
Treasury shares sold and distributed under deferred directors' plan	0			0			$ (375)							375
Stock activity under equity compensation plans (in shares)							37,663
Stock activity under equity compensation plans	(1,493)			(1,493)			$ (1,493)
Stock based compensation expense	$ 2,232			2,232			$ 2,232
Ending balance (in shares) at Mar. 31, 2025	25,556,904						25,556,904
Ending balance at Mar. 31, 2025	$ 694,509			$ 694,420			$ 130,243		$ 743,650			$ (163,879)		$ (15,594)		$ 89