Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Held to maturity securities, fair value	$ 1,118,966	$ 0
Loans held for sale at fair value	82,192	48,583
Allowance for credit losses on loans	$ 44,014
Allowance for credit losses on loans		$ 31,344
Stockholders' Equity:
Common stock, shares authorized	75,000,000	50,000,000
Common stock, shares issued	43,113,127	43,180,079
Common stock, shares outstanding	43,113,127	43,180,079
Preferred stock, shares authorized	5,000,000	5,000,000
7% Series A Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (as a percent)	7.00%	7.00%
Preferred stock liquidation preference (in dollars per share)	$ 25	$ 25
Preferred stock, shares authorized	3,500,000	3,500,000
Preferred stock, shares issued	2,081,800	2,081,800
Preferred stock, shares outstanding	2,081,800	2,081,800
6% Series B Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (as a percent)	6.00%	6.00%
Preferred stock liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized	125,000	125,000
Preferred stock, shares issued	125,000	125,000
Preferred stock, shares outstanding	125,000	125,000
Depositary shares	5,000,000	5,000,000
6% Series C Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (as a percent)	6.00%	6.00%
Preferred stock liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	196,181	196,181
Preferred stock, shares outstanding	196,181	196,181
Depositary shares	7,847,233	7,847,233
8.25% Series D Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (as a percent)	8.25%
Preferred stock liquidation preference (in dollars per share)	$ 1,000
Preferred stock, shares authorized	300,000
Preferred stock, shares issued	142,500
Preferred stock, shares outstanding	142,500
Depositary shares	5,700,000