Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Common Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance at Dec. 31, 2022	$ 1,166,065	$ 26,841	$ 237,202	$ (180,596)	$ (167,512)	$ 1,250,130
Issuance of common stock under stock option plan	2,875	53	2,822
Stock-based and deferred compensation	3,304	112	7,008	(3,816)
Net Income (Loss)	40,204					40,204
Other comprehensive income	36,910				36,910
Cash dividends paid:
Common stock	(32,868)					(32,868)
Ending Balance at Dec. 31, 2023	1,216,490	27,006	247,032	(184,412)	(130,602)	1,257,466
Issuance of common stock under stock option plan	1,135	27	1,108
Stock-based and deferred compensation	2,125	123	5,639	(3,637)
Net Income (Loss)	50,370					50,370
Other comprehensive income	(66,236)				(66,236)
Cash dividends paid:
Common stock	(33,950)					(33,950)
Ending Balance at Dec. 31, 2024	1,169,934	27,156	253,779	(188,049)	(196,838)	1,273,886
Issuance of common stock under stock option plan	104	2	102
Stock-based and deferred compensation	4,242	143	5,939	(1,840)
Net Income (Loss)	46,895					46,895
Other comprehensive income	57,864				57,864
Cash dividends paid:
Common stock	(35,029)					(35,029)
Ending Balance at Dec. 31, 2025	$ 1,244,010	$ 27,301	$ 259,820	$ (189,889)	$ (138,974)	$ 1,285,752