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Loans Held for Investment and Allowance for Credit Losses - Collateral-Dependent Financial Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	$ 337,635	$ 236,601
Total
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	10,406
Real Estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	10,385
Personal Property
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	21
Residential real estate | Total
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	118
Residential real estate | Real Estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	118
Residential real estate | Personal Property
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	0
Commercial real estate | Total
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	10,267	1,426
Commercial real estate | Real Estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	10,267	1,426
Commercial real estate | Personal Property
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	0	$ 0
Commercial and industrial
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	19,364
Commercial and industrial | Total
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	21
Commercial and industrial | Real Estate
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	0
Commercial and industrial | Personal Property
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Total loans	$ 21

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481598/310-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

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+ References

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