Securities - Amortized cost and fair value of debt securities based on the contractual maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Amortized Cost
Due in one year or less	$ 5,706	$ 14,434
Due after one year through five years	15,214	13,866
Due after five years through ten years	8,202	9,056
Due after ten years	2,961	3,433
Mortgage-backed securities and collateralized mortgage obligations	9,609	11,796
Total	41,692	52,585
Fair Value
Due in one year or less	5,020	13,868
Due after one year through five years	14,232	13,185
Due after five years through ten years	6,861	7,986
Due after ten years	2,151	2,681
Mortgage-backed securities and collateralized mortgage obligations	8,390	10,915
Total	$ 36,654	$ 48,635

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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