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Long-Term Debt - Schedule of Collateral for Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Collateral amounts	$ 1,480,062	$ 1,379,856
BPL bridge loans
Debt Instrument [Line Items]
Collateral amounts	971,338	897,782
BPL term loans
Debt Instrument [Line Items]
Collateral amounts	20,564	66,567
Mortgage servicing rights
Debt Instrument [Line Items]
Collateral amounts	75,284	0
Commercial Real Estate | Facility A | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	178,680	178,439
Commercial Real Estate | Facility B | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	$ 234,196	$ 237,068

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