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Investments Securities - Amortized Cost and Fair Values of Investments in Debt Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Available-for-sale |  |
Amortized Cost | $ 28 | $ 30
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (1) | (1)
Fair Value | 27 | 29
Allowance for Credit Losses | 0 | 0
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract] |  |
Amortized Cost | 45,218 |
Fair Value | 45,333 |
Amortized Cost | 45,246 | 48,248
Gross Unrealized Gains | 518 | 710
Gross Unrealized Losses | (404) | (215)
Fair Value | 45,360 | 48,742
Allowance for Credit Losses | 0 | 0
U.S. Agency collateralized mortgage obligations |  |
Available-for-sale |  |
Amortized Cost | 28 | 30
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (1) | (1)
Fair Value | 27 | 29
Allowance for Credit Losses | 0 | 0
U.S. Agency residential mortgage-backed securities |  |
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract] |  |
Amortized Cost | 45,218 | 48,218
Gross Unrealized Gains | 518 | 710
Gross Unrealized Losses | (403) | (214)
Fair Value | 45,333 | 48,713
Allowance for Credit Losses | $ 0 | $ 0

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