Investment Securities - Securities by contractual maturity (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Available for sale, Amortized Cost
Due after one year through five years	$ 31
Due after five years through ten years	41,251
Due after ten years	157,174
Amortized Cost	198,456
Available for sale, Fair Value
Due after one year through five years	30
Due after five years through ten years	36,452
Due after ten years	135,129
Fair Value	171,611
Held to maturity, Amortized Cost
Due in one year or less	546
Due after one year through five years	4,489
Due after ten years	96,375
Amortized Cost	101,410
Held to maturity, Fair Value
Due in one year or less	546
Due after one year through five years	4,424
Due after ten years	79,826
Fair Value	$ 84,796

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).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27198-111563