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FAIR VALUE ACCOUNTING - Assets Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Assets Measured on a Recurring Basis
Total available for sale securities	$ 139,642	$ 142,851
U.S. government agency obligations
Assets Measured on a Recurring Basis
Total available for sale securities	12,986	13,753
Mortgage-backed securities
Assets Measured on a Recurring Basis
Total available for sale securities	68,704	68,386
Corporate debt securities
Assets Measured on a Recurring Basis
Total available for sale securities	39,591	41,716
Recurring
Assets Measured on a Recurring Basis
Total available for sale securities	139,642	142,851
Total equity investments	5,462	4,702
Total	145,104	147,553
Recurring | Farmer Mac equity securities
Assets Measured on a Recurring Basis
Total equity investments	539	569
Recurring | Preferred Stock
Assets Measured on a Recurring Basis
Total equity investments	1,362	1,362
Recurring | Equity investments measured at NAV | Farmer Mac equity securities
Assets Measured on a Recurring Basis
Total equity investments	3,561	2,771
Recurring | Quoted Prices in Active Markets for Identical Instruments (Level 1)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Total equity investments	539	569
Total	539	569
Recurring | Quoted Prices in Active Markets for Identical Instruments (Level 1) | Farmer Mac equity securities
Assets Measured on a Recurring Basis
Total equity investments	539	569
Recurring | Quoted Prices in Active Markets for Identical Instruments (Level 1) | Preferred Stock
Assets Measured on a Recurring Basis
Total equity investments	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Assets Measured on a Recurring Basis
Total available for sale securities	139,642	142,851
Total equity investments	0	0
Total	139,642	142,851
Recurring | Significant Other Observable Inputs (Level 2) | Farmer Mac equity securities
Assets Measured on a Recurring Basis
Total equity investments	0	0
Recurring | Significant Other Observable Inputs (Level 2) | Preferred Stock
Assets Measured on a Recurring Basis
Total equity investments	0	0
Recurring | Significant Unobservable Inputs (Level 3)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Total equity investments	1,362	1,362
Total	1,362	1,362
Recurring | Significant Unobservable Inputs (Level 3) | Farmer Mac equity securities
Assets Measured on a Recurring Basis
Total equity investments	0	0
Recurring | Significant Unobservable Inputs (Level 3) | Preferred Stock
Assets Measured on a Recurring Basis
Total equity investments	1,362	1,362
Recurring | U.S. government agency obligations
Assets Measured on a Recurring Basis
Total available for sale securities	12,986	13,753
Recurring | U.S. government agency obligations | Quoted Prices in Active Markets for Identical Instruments (Level 1)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | U.S. government agency obligations | Significant Other Observable Inputs (Level 2)
Assets Measured on a Recurring Basis
Total available for sale securities	12,986	13,753
Recurring | U.S. government agency obligations | Significant Unobservable Inputs (Level 3)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Mortgage-backed securities
Assets Measured on a Recurring Basis
Total available for sale securities	68,704	68,386
Recurring | Mortgage-backed securities | Quoted Prices in Active Markets for Identical Instruments (Level 1)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Mortgage-backed securities | Significant Other Observable Inputs (Level 2)
Assets Measured on a Recurring Basis
Total available for sale securities	68,704	68,386
Recurring | Mortgage-backed securities | Significant Unobservable Inputs (Level 3)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Corporate debt securities
Assets Measured on a Recurring Basis
Total available for sale securities	39,591	41,716
Recurring | Corporate debt securities | Quoted Prices in Active Markets for Identical Instruments (Level 1)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Corporate debt securities | Significant Other Observable Inputs (Level 2)
Assets Measured on a Recurring Basis
Total available for sale securities	39,591	41,716
Recurring | Corporate debt securities | Significant Unobservable Inputs (Level 3)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Asset-backed securities
Assets Measured on a Recurring Basis
Total available for sale securities	18,361	18,996
Recurring | Asset-backed securities | Quoted Prices in Active Markets for Identical Instruments (Level 1)
Assets Measured on a Recurring Basis
Total available for sale securities	0	0
Recurring | Asset-backed securities | Significant Other Observable Inputs (Level 2)
Assets Measured on a Recurring Basis
Total available for sale securities	18,361	18,996
Recurring | Asset-backed securities | Significant Unobservable Inputs (Level 3)
Assets Measured on a Recurring Basis
Total available for sale securities	$ 0	$ 0

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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