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Investment Securities - Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Amortized Cost
Due in 1 year or less	$ 250
Due after 1 year but within 5 years	41,289
Due after 5 years but within 10 years	31,942
Due after 10 years	2,868
Available-for-sale securities, amortized cost basis, Total	76,349
Amortized Cost	262,342	$ 63,184
Fair Value
Due in 1 year or less	250
Due after 1 year but within 5 years	39,865
Due after 5 years but within 10 years	28,555
Due after 10 years	2,293
Available-for-sale securities, fair value, Total	70,963
Available for Sale Securities, Fair Value	237,878	62,862
Amortized Cost
Due in 1 year or less	3,745
Due after 1 year but within 5 years	87,184
Due after 5 years but within 10 years	214,469
Due after 10 years	43,386
Held-to-maturity securities, amortized cost	348,784
Amortized Cost	399,494	329,257
Held-to-maturity debt securities:
Due in 1 year or less	3,719
Due after 1 year but within 5 years	81,927
Due after 5 years but within 10 years	183,635
Due after 10 years	35,190
Held-to-maturity securities, fair value	304,471
Held to maturity, fair value	348,505	$ 330,626
Mortgage-backed securities
Amortized Cost
Mortgage-backed securities	185,993
Fair Value
Mortgage-backed securities	166,915
Amortized Cost
Mortgage-backed securities	50,710
Held-to-maturity debt securities:
Mortgage-backed securities	$ 44,034

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), 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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Fair value of investment in debt security measured at amortized cost (held-to-maturity), 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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Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after 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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Fair value of investment in debt security measured at amortized cost (held-to-maturity), without single maturity date and not allocated over maturity grouping.

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