Investment Securities - Held-to-maturity Securities, Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Investment Securities [Abstract]
Amortized Cost	$ 4,097	$ 4,339
Gross Unrecognized Gains	81	90
Gross Unrecognized Losses	44	40
Fair Value	4,134	4,389
Mortgage-Backed Securities and Collateralized Mortgage Obligations - Residential [Member]
Investment Securities [Abstract]
Amortized Cost	4,097	4,339
Gross Unrecognized Gains	81	90
Gross Unrecognized Losses	44	40
Fair Value	$ 4,134	$ 4,389