Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2022	29,259
Balance at Dec. 31, 2022	$ 58,367	$ 377,703	$ 439,898	$ (115,536)	$ 760,432
Net income	0	0	29,048	0	29,048
Other comprehensive income (loss)	0	0	0	14,593	14,593
Stock compensation expense	$ 0	1,152	0	0	1,152
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	66
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 217	3,557	(6,143)	0	(2,369)
Cash dividends declared	$ 0	0	(8,489)	0	(8,489)
Shares cancelled (in shares)	(1)
Shares cancelled	$ (2)	(21)	24	0	1
Balance (in shares) at Mar. 31, 2023	29,324
Balance at Mar. 31, 2023	$ 58,582	382,391	454,338	(100,943)	794,368
Balance (in shares) at Dec. 31, 2022	29,259
Balance at Dec. 31, 2022	$ 58,367	377,703	439,898	(115,536)	760,432
Net income					83,804
Other comprehensive income (loss)					(12,369)
Balance (in shares) at Sep. 30, 2023	29,323
Balance at Sep. 30, 2023	$ 58,579	384,399	491,845	(127,905)	806,918
Balance (in shares) at Mar. 31, 2023	29,324
Balance at Mar. 31, 2023	$ 58,582	382,391	454,338	(100,943)	794,368
Net income	0	0	27,664	0	27,664
Other comprehensive income (loss)	0	0	0	(6,473)	(6,473)
Stock compensation expense	$ 0	1,035	0	0	1,035
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	0
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 2	26	(39)	0	(11)
Cash dividends declared	$ 0	0	(8,501)	0	(8,501)
Shares cancelled (in shares)	0
Shares cancelled	$ (4)	(65)	69	0	0
Balance (in shares) at Jun. 30, 2023	29,324
Balance at Jun. 30, 2023	$ 58,580	383,387	473,531	(107,416)	808,082
Net income	0	0	27,092	0	27,092
Other comprehensive income (loss)	0	0	0	(20,489)	(20,489)
Stock compensation expense	$ 0	1,032	0	0	1,032
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	0
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 0	(2)	0	0	(2)
Cash dividends declared	$ 0	0	(8,797)	0	(8,797)
Shares cancelled (in shares)	(1)
Shares cancelled	$ (1)	(18)	19	0	0
Balance (in shares) at Sep. 30, 2023	29,323
Balance at Sep. 30, 2023	$ 58,579	384,399	491,845	(127,905)	806,918
Balance (in shares) at Dec. 31, 2023	29,329
Balance at Dec. 31, 2023	$ 58,602	385,955	506,344	(92,798)	858,103
Net income	0	0	25,887	0	25,887
Other comprehensive income (loss)	0	0	0	(2,256)	(2,256)
Stock compensation expense	0	942	0	0	942
Reclassification adjustment - ASU 2023-02	$ 0	0	2,482	0	2,482
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	65
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 212	2,825	(4,675)	0	(1,638)
Cash dividends declared	$ 0	0	(8,809)	0	(8,809)
Shares cancelled (in shares)	(1)
Shares cancelled	$ (2)	(37)	39	0	0
Balance (in shares) at Mar. 31, 2024	29,393
Balance at Mar. 31, 2024	$ 58,812	389,685	521,268	(95,054)	874,711
Balance (in shares) at Dec. 31, 2023	29,329
Balance at Dec. 31, 2023	$ 58,602	385,955	506,344	(92,798)	858,103
Net income					82,845
Other comprehensive income (loss)					17,525
Balance (in shares) at Sep. 30, 2024	29,414
Balance at Sep. 30, 2024	$ 58,886	392,965	557,516	(75,273)	934,094
Balance (in shares) at Mar. 31, 2024	29,393
Balance at Mar. 31, 2024	$ 58,812	389,685	521,268	(95,054)	874,711
Net income	0	0	27,598	0	27,598
Other comprehensive income (loss)	0	0	0	74	74
Stock compensation expense	$ 0	1,008	0	0	1,008
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	1
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 3	38	(90)	0	(49)
Cash dividends declared	$ 0	0	(8,807)	0	(8,807)
Shares cancelled (in shares)	(6)
Shares cancelled	$ (18)	(277)	295	0	0
Balance (in shares) at Jun. 30, 2024	29,388
Balance at Jun. 30, 2024	$ 58,797	390,454	540,264	(94,980)	894,535
Net income	0	0	29,360	0	29,360
Other comprehensive income (loss)	0	0	0	19,707	19,707
Stock compensation expense	$ 0	922	0	0	922
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations (in shares)	27
Stock issued for share-based awards, net of withholdings to satisfy employee tax obligations	$ 91	1,624	(3,030)	0	(1,315)
Cash dividends declared	$ 0	0	(9,115)	0	(9,115)
Shares cancelled (in shares)	(1)
Shares cancelled	$ (2)	(35)	37	0	0
Balance (in shares) at Sep. 30, 2024	29,414
Balance at Sep. 30, 2024	$ 58,886	$ 392,965	$ 557,516	$ (75,273)	$ 934,094