CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative effect of the change in accounting principle	[1]	Common Stock	Additional  Paid-in Capital	Accumulated Retained Earnings	Accumulated Retained Earnings Cumulative effect of the change in accounting principle	[1]	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019				59,506,057
Beginning balance at Dec. 31, 2019	$ 2,012,594	$ (45,625)		$ 586	$ 1,594,434	$ 396,051	$ (45,625)		$ 21,523
Increase (Decrease) in Stockholders' Equity
Net income	60,351					60,351
Other comprehensive income	38,769								38,769
Cash dividends declared	(79,901)					(79,901)
Dividend equivalents declared	0				321	(321)
Share-based compensation expense	10,859				10,859
Issuance of restricted stock, net (in shares)				563,330
Issuance of restricted stock, net	0
Issuance of common stock - acquisition (in shares)				34,407,403
Issuance of common stock - acquisition	749,603			$ 344	749,259
Restricted stock surrendered and canceled (in shares)				(116,439)
Restricted stock surrendered and canceled	(1,653)				(1,653)
Exercise of stock options, net (in shares)				122,785
Exercise of stock options, net	1,652			$ 1	1,651
Ending balance (in shares) at Dec. 31, 2020				94,483,136
Ending 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 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			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 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)

[1] Related to the adoption of Accounting Standards Update 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.