CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Loans and investments, net allowance for credit losses	$ 122,296	$ 113,241
Securities held-to-maturity, net allowance for credit losses	$ 2,090	$ 1,753
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	171,523,808	151,362,181
Common stock, shares outstanding (in shares)	171,523,808	151,362,181
Assets	$ 17,762,129	$ 15,073,845
Liabilities	14,808,123	12,523,861
Consolidated VIEs
Assets	9,754,533	7,144,806
Liabilities	$ 7,989,263	$ 5,902,623
Special voting preferred shares
Preferred stock, shares issued (in shares)	16,293,589	16,325,095
Preferred stock, shares outstanding (in shares)	16,293,589	16,325,095
6.375% Series D preferred stock
Preferred stock, dividend rate (as a percent)	6.375%
Preferred stock, shares issued (in shares)	9,200,000
6.25% Series E preferred stock
Preferred stock, dividend rate (as a percent)	6.25%
Preferred stock, shares issued (in shares)	5,750,000
6.25% Series F preferred stock
Preferred stock, dividend rate (as a percent)	6.25%	6.25%
Preferred stock, shares issued (in shares)	11,342,000	8,050,000