Loans and Allowance for Credit Losses - Loans - The Principal Balances of Loans Held for Sale are Listed (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Allowance for Credit Loss [Abstract]
Gross loan balances	$ 67,918	$ 61,027
Less: Unguaranteed portions to be retained	17,070	15,018
Loans held for sale	$ 50,848	$ 46,009

Amount, before valuation allowance, of financing receivable classified as held-for-sale.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477011/948-310-45-1

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