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Commitments and Contingencies (Details) - USD ($) $ in Thousands		3 Months Ended
	Jun. 28, 2018	Mar. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Total damages including punitive	$ 70,000
Unfunded loan commitments		$ 1,800,235	$ 1,357,122
Commercial Mortgage and Subordinated Portfolio Segment
Schedule of Equity Method Investments [Line Items]
Unfunded loan commitments		$ 1,800,000
Term of unfunded loan commitment		3 years 10 months 24 days

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