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Non-marketable Securities - Carrying Balance (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Non-marketable Securities
Federal Reserve Bank stock	$ 24,062	$ 24,062
Federal Home Loan Bank stock	3,625	3,922
Convertible preferred stock	20,508	20,508
Equity method investments	28,008	27,970
Total	$ 76,203	$ 76,462

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- Definition

Disclosure - Non-Marketable Securities (Narrative) [Abstract]

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- Definition

Amount of investment in equity method investments measured at fair value and investment in equity security without readily determinable fair value.

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- Definition

Total non-marketable securities, including FHLB stock, FRB stock, equity method investments and preferred stock.

+ References

No definition available.

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 325
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477974/942-325-45-1

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- Definition

Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 325
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477974/942-325-45-1

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