Investment Securities - Securities by contractual maturity (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Available for sale, Amortized Cost
Due after one year through five years	$ 78
Due after five years through ten years	27,718
Due after ten years	95,621
Amortized Cost	123,417
Available for sale, Fair Value
Due after one year through five years	77
Due after five years through ten years	28,596
Due after ten years	94,662
Fair Value	$ 123,335

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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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 second through fifth 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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