Other Assets and Liabilities - REO Information (Details) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2021 USD ($) shares	Jun. 30, 2021 USD ($) asset	Dec. 31, 2020 asset
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 8,413	$ 8,413
Amount related to transfers into REO		15,826
Liquidations		(8,726)
Unrealized gain (loss) resulting from market valuation adjustments on REO		(24)
Balance at End of Period		$ 15,489
Number of REO properties recorded on balance sheet \| asset		26	17
5 Arches
Other Assets and Other Liabilities [Line Items]
Shares issued for settlement of remaining deferred consideration \| shares	806,068
Cash payment for contingent consideration liability	$ 1,000
Legacy Sequoia
Other Real Estate [Roll Forward]
Balance at beginning of period	638	$ 638
Amount related to transfers into REO		65
Liquidations		(39)
Unrealized gain (loss) resulting from market valuation adjustments on REO		(5)
Balance at End of Period		$ 659
Number of REO properties recorded on balance sheet \| asset		3	3
Freddie Mac SLST
Other Real Estate [Roll Forward]
Balance at beginning of period	646	$ 646
Amount related to transfers into REO		1,548
Liquidations		(766)
Unrealized gain (loss) resulting from market valuation adjustments on REO		208
Balance at End of Period		$ 1,636
Number of REO properties recorded on balance sheet \| asset		18	9
CAFL
Other Real Estate [Roll Forward]
Balance at beginning of period	2,529	$ 2,529
Amount related to transfers into REO		11,924
Liquidations		(1,949)
Unrealized gain (loss) resulting from market valuation adjustments on REO		(655)
Balance at End of Period		$ 11,849
Number of REO properties recorded on balance sheet \| asset		2	2
Bridge Loan
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 4,600	$ 4,600
Amount related to transfers into REO		2,289
Liquidations		(5,972)
Unrealized gain (loss) resulting from market valuation adjustments on REO		428
Balance at End of Period		$ 1,345
Number of REO properties recorded on balance sheet \| asset		3	3

Business Acquisition, Contingent Consideration, Equity Interest Issued, Number of Shares

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Other Assets and Other Liabilities [Line Items]

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The number of real estate properties owned as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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Amount of realized and unrealized gain (loss), from the firm's direct investment activity, conducted separately from customer trading activities, and includes, but is not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships.

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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of real estate investments acquired through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.

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Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

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