Securities Held-to-Maturity - Contractual final maturities (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Amortized Cost
Due within one year	$ 10,389
Due after one but within five years	1,774
Due after five but within ten years	2,585
Due after ten years	11,984
Amortized Cost	26,732
Fair Value
Due within one year	10,292
Due after one but within five years	1,983
Due after five but within ten years	2,346
Due after ten years	8,279
Fair Value	$ 22,900