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Long-term borrowings (Details 1) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total junior subordinated debentures owed to unconsolidated subsidiary trusts	$ 14,889	$ 14,643
Subordinated Debentures	71,149	74,020
Total long-term borrowings	86,038	88,663
TSEO Statutory Trust I
Debt Instrument [Line Items]
Total junior subordinated debentures owed to unconsolidated subsidiary trusts	2,558	2,521
Maple Leaf Financial Statutory Trust II
Debt Instrument [Line Items]
Total junior subordinated debentures owed to unconsolidated subsidiary trusts	7,908	7,740
Cortland Statutory Trust I
Debt Instrument [Line Items]
Total junior subordinated debentures owed to unconsolidated subsidiary trusts	$ 4,423	$ 4,382

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