Commitments and Contingencies - Narrative (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) contract	Mar. 31, 2021 USD ($)
Commitments and Contingencies
Number of Contracts \| contract	539
Interest rate swap guarantees \| USD
Commitments and Contingencies
Number of Contracts \| contract	4
Commercial and Residential Lending Segment \| Residential Loans
Commitments and Contingencies
Face amount	$ 835,760	$ 89,418
Commercial and Residential Lending Segment \| Agency-Eligible Residential Loan \| Residential Loans
Commitments and Contingencies
Face amount	745,000
Commitments \| Commercial and Residential Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	3,100,000
Value of loans with future funding commitments expected to fund	2,800,000
Outstanding	1,200,000
Commitments \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	147,200
Outstanding	20,600
Revolvers and letters of credit \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	135,100
Outstanding	8,100
Delayed draw term loans \| Infrastructure Lending Segment
Commitments and Contingencies
Value of loans with future funding commitments	$ 12,100

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- Definition

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+ References

No definition available.

+ Details

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+ References

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+ References

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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