CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Total
Balance at Dec. 31, 2024	$ 16,882	$ 374,975	$ 665,171	$ (59,641)	$ 997,387
Net income			25,797		25,797
Other comprehensive income (loss), net of tax				404	404
Common cash dividends declared			(1,015)		(1,015)
Stock-based compensation expense		1,299			1,299
Issuance of common stock under employee benefit plans	38	(1,163)			(1,125)
Balance at Mar. 31, 2025	16,920	375,111	689,953	(59,237)	1,022,747
Balance at Dec. 31, 2024	16,882	374,975	665,171	(59,641)	997,387
Net income					91,530
Other comprehensive income (loss), net of tax					7,075
Balance at Sep. 30, 2025	16,839	375,319	747,323	(52,566)	1,086,915
Balance at Mar. 31, 2025	16,920	375,111	689,953	(59,237)	1,022,747
Net income			29,019		29,019
Other comprehensive income (loss), net of tax				(1,671)	(1,671)
Common cash dividends declared			(1,016)		(1,016)
Stock-based compensation expense		622			622
Issuance of common stock under employee benefit plans	15	838			853
Balance at Jun. 30, 2025	16,935	376,571	717,956	(60,908)	1,050,554
Net income			36,714		36,714
Repurchase and cancellation of common stock as a result of a share repurchase program	(116)	(2,547)	(6,330)		(8,993)
Other comprehensive income (loss), net of tax				8,342	8,342
Common cash dividends declared			(1,017)		(1,017)
Stock-based compensation expense		687			687
Issuance of common stock under employee benefit plans	20	608			628
Balance at Sep. 30, 2025	16,839	375,319	747,323	(52,566)	1,086,915
Balance at Dec. 31, 2025	16,691	372,851	773,353	(50,584)	1,112,311
Net income			33,383		33,383
Repurchase and cancellation of common stock as a result of a share repurchase program	(247)	(5,442)	(15,153)		(20,842)
Other comprehensive income (loss), net of tax				(1,879)	(1,879)
Common cash dividends declared			(1,674)		(1,674)
Stock-based compensation expense		1,053			1,053
Issuance of common stock under employee benefit plans	52	60			112
Balance at Mar. 31, 2026	16,496	368,522	789,909	(52,463)	1,122,464
Balance at Dec. 31, 2025	16,691	372,851	773,353	(50,584)	1,112,311
Net income					106,068
Other comprehensive income (loss), net of tax					(21,359)
Balance at Sep. 30, 2026	16,292	366,374	841,095	(71,943)	1,151,818
Balance at Mar. 31, 2026	16,496	368,522	789,909	(52,463)	1,122,464
Net income			36,251		36,251
Repurchase and cancellation of common stock as a result of a share repurchase program	(150)	(3,293)	(10,027)		(13,470)
Other comprehensive income (loss), net of tax				4,354	4,354
Common cash dividends declared			(1,652)		(1,652)
Stock-based compensation expense		690			690
Issuance of common stock under employee benefit plans	21	1,099			1,120
Balance at Jun. 30, 2026	16,367	367,018	814,481	(48,109)	1,149,757
Net income			36,434		36,434
Repurchase and cancellation of common stock as a result of a share repurchase program	(95)	(2,087)	(7,363)		(9,545)
Other comprehensive income (loss), net of tax				(23,834)	(23,834)
Common cash dividends declared			(2,457)		(2,457)
Stock-based compensation expense		609			609
Issuance of common stock under employee benefit plans	20	834			854
Balance at Sep. 30, 2026	$ 16,292	$ 366,374	$ 841,095	$ (71,943)	$ 1,151,818