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Loans Receivable - Schedule of Loans Receivable (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Unamortized discounts, fees, and costs | $ (4,186) | $ (222) |
Reserve for loan losses | (1,813) | (10,280) | $ 0
Loans receivable, net | 415,811 | 195,375 |
Remaining loans receivable commitments | 58,000 | 11,000 |
Secured Mortgage Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing receivable, gross | 396,281 | 161,530 |
Mezzanine and other |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing receivable, gross | $ 25,529 | $ 44,347 |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amount excluding accrued interest, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
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