Loans and Allowance for Credit Losses - Delinquency (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Loan delinquency information
Total Loans Carrying Value	$ 9,739,018	$ 7,025,407
Non-Accrual Loans	243,724	99,502
General allowance for loan losses	(27,409)	(28,113)
Total Loans, net of allowance for loan losses, including loans in consolidated VIEs	$ 9,711,609	$ 6,997,294
Percentage of loans outstanding	100.00%	100.00%
Percentage of outstanding, Non-Accrual Loans	2.50%	1.40%
Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	$ 9,497,095	$ 6,841,685
Percentage of loans outstanding	97.50%	97.40%
30-59 Days Past Due
Loan delinquency information
Total Loans Carrying Value	$ 16,137	$ 72,837
Percentage of loans outstanding	0.20%	1.00%
60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	$ 225,786	$ 110,885
Percentage of loans outstanding	2.30%	1.60%
90+ Days Past Due
Loan delinquency information
Percentage of outstanding, 90+Days Past Due Accruing	0.00%	0.00%
Bridge
Loan delinquency information
Total Loans Carrying Value	$ 7,028,359	$ 4,538,387
Non-Accrual Loans	96,137	28,820
General allowance for loan losses	(13,466)	(15,204)
Bridge \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	6,927,794	4,451,230
Bridge \| 30-59 Days Past Due
Loan delinquency information
Total Loans Carrying Value	14,675	52,997
Bridge \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	85,890	34,160
Construction
Loan delinquency information
Total Loans Carrying Value	434,519
Non-Accrual Loans	74,395
General allowance for loan losses	(122)
Construction \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	360,124
Construction \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	74,395
Fixed rate
Loan delinquency information
Total Loans Carrying Value	1,016,110	1,089,845
Non-Accrual Loans	21,923	24,031
General allowance for loan losses	(2,241)	(2,667)
Fixed rate \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	988,947	1,057,708
Fixed rate \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	27,163	32,137
Freddie Mac
Loan delinquency information
Total Loans Carrying Value	6,179	3,093
Non-Accrual Loans	3,093	3,093
Freddie Mac \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	3,086
Freddie Mac \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	3,093	3,093
Residential
Loan delinquency information
Total Loans Carrying Value	2,637	3,588
Non-Accrual Loans	1,102	1,914
General allowance for loan losses	(5)	(8)
Residential \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	1,537	1,674
Residential \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	1,100	1,914
SBA 7(a)
Loan delinquency information
Total Loans Carrying Value	560,510	586,812
Non-Accrual Loans	11,034	15,119
General allowance for loan losses	(9,275)	(6,653)
SBA 7(a) \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	557,134	576,593
SBA 7(a) \| 30-59 Days Past Due
Loan delinquency information
Total Loans Carrying Value	730	6,741
SBA 7(a) \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	2,646	3,478
Other
Loan delinquency information
Total Loans Carrying Value	690,704	803,682
Non-Accrual Loans	36,040	26,525
General allowance for loan losses	(2,300)	(3,581)
Other \| Current and less than 30 days past due
Loan delinquency information
Total Loans Carrying Value	658,473	754,480
Other \| 30-59 Days Past Due
Loan delinquency information
Total Loans Carrying Value	732	13,099
Other \| 60+ Days Past Due
Loan delinquency information
Total Loans Carrying Value	$ 31,499	$ 36,103

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General allowance for loan losses assessed on a collective basis included in the total allowance for loan losses.

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Amount of loans and leases held in portfolio, including loans of consolidated variable interest entities net of general allowance for loan losses.

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