CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional  Paid-in Capital	Accumulated Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020		94,483,136
Beginning balance at Dec. 31, 2020	$ 2,746,649	$ 931	$ 2,354,871	$ 330,555	$ 60,292
Increase (Decrease) in Stockholders' Equity
Net income	339,889			339,889
Other comprehensive (loss) income	(68,154)				(68,154)
Repurchase and retirement of common stock (in shares)		(479,944)
Repurchase and retirement of common stock	(18,067)	$ (5)	(11,942)	(6,120)
Cash dividends declared	(121,887)			(121,887)
Dividend equivalents declared	0		487	(487)
Share-based compensation expense	13,264		13,264
Issuance of restricted stock, net (in shares)		472,431
Issuance of restricted stock, net	0	$ 3	(3)
Restricted stock surrendered and canceled (in shares)		(166,287)
Restricted stock surrendered and canceled	(6,384)		(6,384)
Exercise of stock options, net (in shares)		80,207
Exercise of stock options, net	1,001	$ 0	1,001
Ending balance (in shares) at Dec. 31, 2021		94,389,543
Ending balance at Dec. 31, 2021	2,886,311	$ 929	2,351,294	541,950	(7,862)
Increase (Decrease) in Stockholders' Equity
Net income	283,743			283,743
Other comprehensive (loss) income	(257,385)				(257,385)
Cash dividends declared	(125,160)			(125,160)
Dividend equivalents declared	0		493	(493)
Share-based compensation expense	18,925		18,925
Issuance of restricted stock, net (in shares)		827,761
Issuance of restricted stock, net	0	$ 4	(4)
Restricted stock surrendered and canceled (in shares)		(248,870)
Restricted stock surrendered and canceled	(8,918)		(8,918)
Exercise of stock options, net (in shares)		53,326
Exercise of stock options, net	$ 873	$ 0	873
Ending balance (in shares) at Dec. 31, 2022	95,021,760	95,021,760
Ending balance at Dec. 31, 2022	$ 2,798,389	$ 933	2,362,663	700,040	(265,247)
Increase (Decrease) in Stockholders' Equity
Net income	30,852			30,852
Other comprehensive (loss) income	165,622				165,622
Cash dividends declared	(126,265)			(126,265)
Dividend equivalents declared	0		490	(490)
Share-based compensation expense	19,390		19,390
Issuance of restricted stock, net (in shares)		1,085,234
Issuance of restricted stock, net	0	$ 4	(4)
Restricted stock surrendered and canceled (in shares)		(308,818)
Restricted stock surrendered and canceled	(6,373)		(6,373)
Exercise of stock options, net (in shares)		61,916
Exercise of stock options, net	$ 966	$ 1	965
Ending balance (in shares) at Dec. 31, 2023	95,860,092	95,860,092
Ending balance at Dec. 31, 2023	$ 2,882,581	$ 938	$ 2,377,131	$ 604,137	$ (99,625)