Financing Receivables - Aging of Loans and Loan Participations (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2023 USD ($) loan	Dec. 31, 2022 USD ($) loan
Financing Receivable, Past Due [Line Items]
Loans \| loan	3,276	3,435
UPB	$ 11,636	$ 56,073
Loans in nonaccrual status	$ 0	$ 0
Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	100.00%	100.00%
Current
Financing Receivable, Past Due [Line Items]
Loans \| loan	3,197	3,316
Current \| Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	97.70%	94.90%
Less than 30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	60	92
Less than 30 days \| Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	1.60%	4.30%
30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	6	15
30 days \| Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	0.20%	0.40%
60 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	10	6
60 days \| Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	0.40%	0.20%
90+ days
Financing Receivable, Past Due [Line Items]
Loans \| loan	3	6
90+ days \| Customer Concentration Risk \| Financing Receivable
Financing Receivable, Past Due [Line Items]
% of UPB	0.10%	0.20%
Loans and Loan Participations
Financing Receivable, Past Due [Line Items]
UPB	$ 3,539	$ 3,944
Loan Participations from Affiliate
Financing Receivable, Past Due [Line Items]
Loans \| loan	3,260	3,418
UPB	$ 3,271	$ 3,635
Loan Participations from Affiliate \| Current
Financing Receivable, Past Due [Line Items]
Loans \| loan	3,181	3,302
UPB	$ 3,189	$ 3,502
Loan Participations from Affiliate \| Less than 30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	60	89
UPB	$ 58	$ 101
Loan Participations from Affiliate \| 30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	6	15
UPB	$ 7	$ 17
Loan Participations from Affiliate \| 60 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	10	6
UPB	$ 14	$ 9
Loan Participations from Affiliate \| 90+ days
Financing Receivable, Past Due [Line Items]
Loans \| loan	3	6
UPB	$ 3	$ 6
Balance Sheet Loans(b)
Financing Receivable, Past Due [Line Items]
Loans \| loan	16	17
UPB	$ 268	$ 309
Balance Sheet Loans(b) \| Current
Financing Receivable, Past Due [Line Items]
Loans \| loan	16	14
UPB	$ 268	$ 240
Balance Sheet Loans(b) \| Less than 30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	0	3
UPB	$ 0	$ 69
Balance Sheet Loans(b) \| 30 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	0	0
UPB	$ 0	$ 0
Balance Sheet Loans(b) \| 60 days
Financing Receivable, Past Due [Line Items]
Loans \| loan	0	0
UPB	$ 0	$ 0
Balance Sheet Loans(b) \| 90+ days
Financing Receivable, Past Due [Line Items]
Loans \| loan	0	0
UPB	$ 0	$ 0
Unpaid Principal Balance
Financing Receivable, Past Due [Line Items]
UPB	3,539	3,944
Unpaid Principal Balance \| Current
Financing Receivable, Past Due [Line Items]
UPB	3,457	3,742
Unpaid Principal Balance \| Less than 30 days
Financing Receivable, Past Due [Line Items]
UPB	58	170
Unpaid Principal Balance \| 30 days
Financing Receivable, Past Due [Line Items]
UPB	7	17
Unpaid Principal Balance \| 60 days
Financing Receivable, Past Due [Line Items]
UPB	14	9
Unpaid Principal Balance \| 90+ days
Financing Receivable, Past Due [Line Items]
UPB	$ 3	$ 6

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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