Loan Participations Payable, net (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) instrument
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable and other lending investments, net	$ 332,844	$ 686,931
Loan Participations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable and other lending investments, net		$ 42,500
Loan Participations Payable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of debt instruments \| instrument		1
Loans receivable and other lending investments, net		$ 42,500
Weighted average interest rate		6.00%

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

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 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Name:	us-gaap_NotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant