Investments in Debt Securities and Notes Receivable - Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Held-to-maturity Securities [Line Items]
Dividends Receivable	$ 4,889	$ 0
Investments in debt securities and notes receivable	593,810	43,586
Notes Receivable-Bridge Loans
Schedule of Held-to-maturity Securities [Line Items]
Notes receivable	187,368	43,586
Notes Receivable-Senior Mezzanine Loan
Schedule of Held-to-maturity Securities [Line Items]
Notes receivable	101,553	0
JCAP Series A Preferred Stock
Schedule of Held-to-maturity Securities [Line Items]
Debt securities	200,000	0
JCAP Series B Preferred Stock
Schedule of Held-to-maturity Securities [Line Items]
Debt securities	$ 100,000	$ 0

Debt Securities, Held To Maturity And Financing Receivable, After Allowance For Credit Loss, And Interest Receivable

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Carrying amount as of the balance sheet date of dividends declared but not received.

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Amount of investment in debt security measured at amortized cost (held-to-maturity).

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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