Loans Receivable Held for Investment, Troubled Debt Restructurings (TDRs) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Troubled Debt Restructurings (TDRs) [Abstract]
Loans classified as troubled debt restructurings		$ 1,700
Specific reserves allocated to TDRs		7
Timely payment period for return to accrual status	6 months
Non-accrual Status [Member]
Troubled Debt Restructurings (TDRs) [Abstract]
Loans classified as troubled debt restructurings		144
Accrual Status [Member]
Troubled Debt Restructurings (TDRs) [Abstract]
Loans classified as troubled debt restructurings		$ 1,600

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 310
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481746/310-40-50-4

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