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Investments in Securities - Schedule of Financial Instruments Owned and Pledged as Collateral (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Public deposits
INVESTMENT SECURITIES
Securities owned and pledged as collateral amortized cost	$ 17,412	$ 15,402
Public deposits | Estimate of Fair Value Measurement
INVESTMENT SECURITIES
Fair Value	15,225	13,489
Collateralized borrowing accounts
INVESTMENT SECURITIES
Securities owned and pledged as collateral amortized cost	123,220	210,330
Collateralized borrowing accounts | Estimate of Fair Value Measurement
INVESTMENT SECURITIES
Fair Value	109,660	186,170
Other
INVESTMENT SECURITIES
Securities owned and pledged as collateral amortized cost	3,815	4,018
Other | Estimate of Fair Value Measurement
INVESTMENT SECURITIES
Fair Value	3,507	3,764
Securities Pledged as Collateral
INVESTMENT SECURITIES
Securities owned and pledged as collateral amortized cost	144,447	229,750
Securities Pledged as Collateral | Estimate of Fair Value Measurement
INVESTMENT SECURITIES
Fair Value	$ 128,392	$ 203,423

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- Definition

Amount of securities owned and pledged as collateral amortized cost.

+ References

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The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481961/940-320-45-2

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