Loans and Preferred Equity Held for Investment, net and Loans Held for Sale - Schedule of Assets Held for Sale (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Long Lived Assets Held-for-sale [Line Items]
Loans and preferred equity held for investment, net	[1]	$ 2,242,574	$ 2,576,332
Total assets held for sale		760,290	189,470
Held-for-sale
Long Lived Assets Held-for-sale [Line Items]
Loans and preferred equity held for investment, net		104,900	5,016
Total assets held for sale		$ 104,900	$ 5,016

[1] Net of $52.5 million and $272.6 million of allowance for loan losses at June 30, 2020 and December 31, 2019, respectively. See Note 3, “Loans and Preferred Equity Held for Investments, net and Loans Held for Sale” for further details.