CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, Common [Member]	Total
Balance at Dec. 31, 2022	$ 1,410	$ 2,538,336	$ 736,544	$ (639,254)	$ (368,031)	$ 2,269,005
Balance (in shares) at Dec. 31, 2022	127,363,327
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)			129,260			129,260
Cash dividends declared			(66,290)			(66,290)
Common stock issued under Employee Stock Purchase Plan		163				163
Common stock issued under Employee Stock Purchase Plan (in shares)	9,548
Equity-based awards	$ 3	4,727	(469)		(3,179)	1,082
Equity-based awards (in shares)	235,162
Other comprehensive income, net of tax				26,518		26,518
Balance at Jun. 30, 2023	$ 1,413	2,543,226	799,045	(612,736)	(371,210)	2,359,738
Balance (in shares) at Jun. 30, 2023	127,608,037
Balance at Mar. 31, 2023	$ 1,413	2,540,653	769,791	(611,679)	(371,166)	2,329,012
Balance (in shares) at Mar. 31, 2023	127,573,680
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)			62,442			62,442
Cash dividends declared			(33,175)			(33,175)
Common stock issued under Employee Stock Purchase Plan		163				163
Common stock issued under Employee Stock Purchase Plan (in shares)	9,548
Equity-based awards		2,410	(13)		(44)	2,353
Equity-based awards (in shares)	24,809
Other comprehensive income, net of tax				(1,057)		(1,057)
Balance at Jun. 30, 2023	$ 1,413	2,543,226	799,045	(612,736)	(371,210)	2,359,738
Balance (in shares) at Jun. 30, 2023	127,608,037
Balance at Dec. 31, 2023	$ 1,413	2,548,250	837,859	(530,210)	(371,246)	$ 2,486,066
Balance (in shares) at Dec. 31, 2023	127,618,761					127,618,761
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)			116,141			$ 116,141
Cash dividends declared			(66,406)			(66,406)
Equity-based awards	$ 4	6,545	(418)		(2,698)	3,433
Equity-based awards (in shares)	260,251
Other comprehensive income, net of tax				11,078		11,078
Balance at Jun. 30, 2024	$ 1,417	2,554,795	887,176	(519,132)	(373,944)	$ 2,550,312
Balance (in shares) at Jun. 30, 2024	127,879,012					127,879,012
Balance at Mar. 31, 2024	$ 1,417	2,551,488	858,494	(523,780)	(373,858)	$ 2,513,761
Balance (in shares) at Mar. 31, 2024	127,841,908
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)			61,921			61,921
Cash dividends declared			(33,220)			(33,220)
Equity-based awards		3,307	(19)		(86)	3,202
Equity-based awards (in shares)	37,104
Other comprehensive income, net of tax				4,648		4,648
Balance at Jun. 30, 2024	$ 1,417	$ 2,554,795	$ 887,176	$ (519,132)	$ (373,944)	$ 2,550,312
Balance (in shares) at Jun. 30, 2024	127,879,012					127,879,012