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Loans Held for Investment, net - Provision for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0
Reversal of credit losses	(987)	$ 0
Ending balance	4,135
Loans Held For Investment, net
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Reversal of credit losses	(758)
Ending balance	4,135
Unfunded Loan Commitments
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Reversal of credit losses	(229)
Ending balance	1,473
Total
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Reversal of credit losses	(987)
Ending balance	5,608
Cumulative-effect adjustment upon adoption of ASU No. 2016-13 | Loans Held For Investment, net
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,893
Cumulative-effect adjustment upon adoption of ASU No. 2016-13 | Unfunded Loan Commitments
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,702
Cumulative-effect adjustment upon adoption of ASU No. 2016-13 | Total
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 6,595

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ 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 https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

+ Details

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X

- 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.

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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 https://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 https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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