Condensed Consolidated Statements of Changes In Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		129,065,476
Beginning balance at Dec. 31, 2021	$ 2,749,270	$ 3,444,849	$ (697,338)	$ 1,759
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	91,157		91,157
Other comprehensive income (loss), net of tax	(185,515)			(185,515)
Stock-based compensation	2,454	$ 2,454
Stock repurchased and retired (in shares)		(116,057)
Stock repurchased and retired	(4,037)	$ (4,037)
Issuances of common stock under stock plans (in shares)		319,442
Issuances of common stock under stock plans	0	$ 0
Cash dividends on common stock	(45,731)		(45,731)
Ending balance (in shares) at Mar. 31, 2022		129,268,861
Ending balance at Mar. 31, 2022	2,607,598	$ 3,443,266	(651,912)	(183,756)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	78,591		78,591
Other comprehensive income (loss), net of tax	(124,391)			(124,391)
Stock-based compensation	2,283	$ 2,283
Stock repurchased and retired (in shares)		(2,542)
Stock repurchased and retired	(72)	$ (72)
Issuances of common stock under stock plans (in shares)		51,455
Issuances of common stock under stock plans	54	$ 54
Cash dividends on common stock	(45,787)		(45,787)
Ending balance (in shares) at Jun. 30, 2022		129,317,774
Ending balance at Jun. 30, 2022	2,518,276	$ 3,445,531	(619,108)	(308,147)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	84,040		84,040
Other comprehensive income (loss), net of tax	(141,413)			(141,413)
Stock-based compensation	2,517	$ 2,517
Stock repurchased and retired (in shares)		(1,399)
Stock repurchased and retired	(41)	$ (41)
Issuances of common stock under stock plans (in shares)		3,773
Issuances of common stock under stock plans	0	$ 0
Cash dividends on common stock	(45,865)		(45,865)
Ending balance (in shares) at Sep. 30, 2022		129,320,148
Ending balance at Sep. 30, 2022	2,417,514	$ 3,448,007	(580,933)	(449,560)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	82,964		82,964
Other comprehensive income (loss), net of tax	22,696			22,696
Stock-based compensation	2,499	$ 2,499
Stock repurchased and retired (in shares)		(382)
Stock repurchased and retired	(13)	$ (13)
Issuances of common stock under stock plans (in shares)		1,196
Issuances of common stock under stock plans	0	$ 0
Cash dividends on common stock	$ (45,834)		(45,834)
Ending balance (in shares) at Dec. 31, 2022	129,320,962	129,320,962
Ending balance at Dec. 31, 2022	$ 2,479,826	$ 3,450,493	(543,803)	(426,864)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(14,038)		(14,038)
Other comprehensive income (loss), net of tax	$ 126,730			126,730
Stock related to Merger (in shares)	78,863,112
Stock related to Merger	$ 2,337,632
Stock-based compensation	5,644	$ 5,644
Stock repurchased and retired (in shares)		(215,229)
Stock repurchased and retired	(5,216)	$ (5,216)
Issuances of common stock under stock plans (in shares)		460,399
Issuances of common stock under stock plans	0	$ 0
Cash dividends on common stock	$ (45,855)		(45,855)
Ending balance (in shares) at Mar. 31, 2023	208,429,244	208,429,244
Ending balance at Mar. 31, 2023	$ 4,884,723	$ 5,788,553	$ (603,696)	$ (300,134)