Loans Receivable - Loan Losses (Details) $ in Thousands	1 Months Ended	12 Months Ended
Sep. 30, 2021 loan	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Reserve for loan losses, beginning of period		$ 10,280	$ 0
Cumulative-effect of adopting ASU 2016-13 to beginning retained earnings		0	1,420
Provision for expected loan losses		1,689	17,254
Expected loan losses related to loans sold or repaid		(10,156)	(8,394)
Reserve for loan losses, end of period		$ 1,813	$ 10,280
Number of loans sold or repaid \| loan		6	3
Credit loss reserve on unfunded loan commitments		$ 300	$ 1,000
Mezzanine
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Reserve for loan losses, beginning of period		3,152	0
Cumulative-effect of adopting ASU 2016-13 to beginning retained earnings		0	513
Provision for expected loan losses		793	2,898
Expected loan losses related to loans sold or repaid		(2,141)	(259)
Reserve for loan losses, end of period		1,804	3,152
Number of loans sold or repaid \| loan	1
Mezzanine and Other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Reserve for loan losses, beginning of period		7,128	0
Cumulative-effect of adopting ASU 2016-13 to beginning retained earnings		0	907
Provision for expected loan losses		896	14,356
Expected loan losses related to loans sold or repaid		(8,015)	(8,135)
Reserve for loan losses, end of period		$ 9	$ 7,128

Financing Receivable Allowance For Credit Loss Unfunded Loan Commitments

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- Definition

Financing Receivable, Number of Contracts Sold

+ References

No definition available.

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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

The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount of decrease from sale and reclassification to held-for-sale 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 11
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount of credit loss expense (reversal of expense) for 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 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(11))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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