Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common stock	Retained earnings	Accumulated other comprehensive income (loss)
Beginning balance (in shares) at Dec. 31, 2022		109,471,000
Beginning balance at Dec. 31, 2022	$ 2,202,499	$ 1,692,697	$ 845,830	$ (336,028)
Increase (decrease) in stockholders' equity
Net income for common stock	54,721		54,721
Other comprehensive (loss) income, net of tax benefits	20,488			20,488
Share-based expenses and other, net (in shares)		101,000
Share-based expenses and other, net	(307)	$ (307)
Common stock dividends	(39,446)		(39,446)
Ending balance (in shares) at Mar. 31, 2023		109,572,000
Ending balance at Mar. 31, 2023	$ 2,237,955	$ 1,692,390	861,105	(315,540)
Beginning balance (in shares) at Dec. 31, 2023	110,151,798	110,152,000
Beginning balance at Dec. 31, 2023	$ 2,344,841	$ 1,707,471	926,720	(289,350)
Increase (decrease) in stockholders' equity
Net income for common stock	42,122		42,122
Other comprehensive (loss) income, net of tax benefits	(9,801)			(9,801)
Share-based expenses and other, net (in shares)		151,000
Share-based expenses and other, net	$ 218	$ 218
Ending balance (in shares) at Mar. 31, 2024	110,302,667	110,303,000
Ending balance at Mar. 31, 2024	$ 2,377,380	$ 1,707,689	$ 968,842	$ (299,151)