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Real Estate - Schedule of Acquisitions and Conversions (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  | $ 220,711 |  | $ 194,966
New York, NY |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price | [1] | 59,207 |  |
Fund V |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  |  |  | $ 168,646
Fund V | Canton Marketplace | Canton GA |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  |  |  | 100.00%
Purchase Price |  |  | $ 50,954 |
Fund V | Monroe Marketplace | PA |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  |  | 100.00% |
Purchase Price |  |  | $ 44,796 |
Fund V | Monroe Marketplace Parcel | PA |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  |  |  | 100.00%
Purchase Price |  |  | $ 1,029 |
Fund V | Midstate | NJ |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  |  |  | 100.00%
Purchase Price |  |  |  | $ 71,867
Core Portfolio |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  | 161,504 |  | 26,320
Core Portfolio | 121 Spring Street - New York, NY |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  | $ 39,637 |  |
Core Portfolio | 121 Spring Street | New York, NY |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  | 100.00% |  |
Core Portfolio | 8833 Beverly Boulevard | West Hollywood |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  | 100.00% |  |
Purchase Price |  | $ 24,117 |  |
Core Portfolio | Williamsburg Collection | Brooklyn, NY |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price | [2] | 97,750 |  |
Core Portfolio | Fourteen Street Portfolio |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  |  |  | $ 26,320
Core Portfolio | Fourteen Street Portfolio | Washington DC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired |  |  |  | 100.00%
Fund III |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase Price |  | $ 59,207 |  |
Fund III | 640 Broadway | New York, NY |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percent Acquired | [1] | 100.00% |  |
[1] | The entity was previously accounted for as an equity method investment until an affiliate of Fund III acquired the venture partner's interest in a foreclosure action. Fund III now indirectly owns 100% of the entity and consolidates it (Note 4).
[2] | The Williamsburg Collection entity is a variable interest entity and the Company consolidates the entity because it is the entity's primary beneficiary. The Company invested $2.8 million in its 49.99% equity interest and, through a separate lending subsidiary, provided a $64.1 million first mortgage loan and a $30.9 million mezzanine loan to subsidiaries of the venture (such equity and loans have been eliminated in consolidation). Pursuant to the entity’s operating agreement, the venture partner has a one-time right to put its 50.01% interest in the entity (the "Williamsburg NCI", which is further described in Note 8) to the Company for fair value at a future date. Given the preferred rate of return of the Company embedded in its equity interests and the accruing debt senior to the equity, the Company did not attribute any initial redemption value to the Williamsburg NCI and recognized a gain on bargain purchase, which is included in Realized and unrealized holding gains on investments and other in the consolidated statements of income.

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