CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at beginning of period at Dec. 31, 2022	$ 1,735,055	$ 110,705	$ 42,467	$ 1,080,964	$ 1,120,925	$ (620,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	105,863				52,776	53,087
Cash dividends declared:
Preferred	(2,013)				(2,013)
Common	(12,740)				(12,740)
Issuance of shares of common stock	(1,479)		92	(1,571)
Stock based compensation	4,719			4,719
Balance at end of period at Mar. 31, 2023	1,829,405	110,705	42,559	1,084,112	1,158,948	(566,919)
Balance at beginning of period at Dec. 31, 2023	1,933,117	110,705	42,688	1,090,740	1,141,501	(452,517)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	58,031				51,707	6,324
Cash dividends declared:
Preferred	(2,013)				(2,013)
Common	(12,865)				(12,865)
Issuance of shares of common stock	(1,183)		96	(1,279)
Stock based compensation	3,746			3,746
Balance at end of period at Mar. 31, 2024	$ 1,978,833	$ 110,705	$ 42,784	$ 1,093,207	$ 1,178,330	$ (446,193)