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Loans Receivable and Allowance for Credit Losses - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) loan	Jun. 30, 2024 USD ($) loan	Jun. 30, 2025 USD ($) loan	Jun. 30, 2024 USD ($) loan	Dec. 31, 2024 USD ($) loan
Loans Receivable and Allowance for Credit Losses
Number of loans with modifications	0		0		0
Number of modifications during the period	0	0	0	0
Number of loans modified with a subsequent default	0	0	0	0
Provision for (Recovery of) Credit Losses on Unfunded Commitments | $	$ 0	$ 0	$ 0	$ 0
Liability for credit losses on off-balance-sheet credit exposures | $	$ 15,000		$ 15,000		$ 15,000

X

- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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- Definition

Number of financing receivables modified during the period.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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- Definition

Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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