CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance ( in shares) at Dec. 31, 2021		19,980	10,766
Beginning balance at Dec. 31, 2021	$ 1,213,700	$ 484,531	$ 10,766	$ 125,993	$ 3,853	$ 588,557
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	51,453					51,453
Other comprehensive loss, net of tax	(43,518)				(43,518)
Cash dividends, preferred stock	(6,791)					(6,791)
Cash dividends, common stock	(10,229)					(10,229)
Issuance of Class C Common Stock (in shares)			22
Issuance of Class C Common Stock	68		$ 22	46
Stock-based compensation cost	2,113			2,113
Other stock-based award activity	(1,049)			(1,049)
Ending balance (in shares) at Mar. 31, 2022		19,980	10,788
Ending balance at Mar. 31, 2022	1,205,747	$ 484,531	$ 10,788	127,103	(39,665)	622,990
Beginning balance ( in shares) at Dec. 31, 2022		19,980	10,801
Beginning balance at Dec. 31, 2022	1,271,958	$ 484,531	$ 10,801	128,939	(50,843)	698,530
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	47,035					47,035
Other comprehensive loss, net of tax	(9,019)				(9,019)
Cash dividends, preferred stock	(6,791)					(6,791)
Cash dividends, common stock	(11,882)					(11,882)
Issuance of Class C Common Stock (in shares)			19
Issuance of Class C Common Stock	70		$ 19	51
Stock-based compensation cost	2,254			2,254
Other stock-based award activity	(1,240)			(1,240)
Ending balance (in shares) at Mar. 31, 2023		19,980	10,820
Ending balance at Mar. 31, 2023	$ 1,292,385	$ 484,531	$ 10,820	$ 130,004	$ (59,862)	$ 726,892