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Securities - Schedule of Amortized Cost and Fair Value by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available for Sale Amortized Cost
1 year or less	$ 9,165
Over 1 year through 5 years	157,062
Over 5 years through 10 years	77,934
Over 10 years	2,000
Without single maturity date	264,621
Available-for-sale, Amortized Cost	510,782	$ 617,641
Available for Sale Fair Value
1 year or less	8,791
Over 1 year through 5 years	139,342
Over 5 years through 10 years	62,247
Over 10 years	1,454
Without single maturity date	223,725
Available for Sale, Fair Value	435,559	553,554
Held-to-Maturity Amortized Cost
1 year or less	0
Over 1 year through 5 years	1,117
Over 5 years through 10 years	18,994
Over 10 years	41,845
Mortgage-backed securities	2,660
Held to Maturity, Amortized Cost	64,616	64,977
Held-to-Maturity Fair Value
1 year or less	0
Over 1 year through 5 years	1,003
Over 5 years through 10 years	16,498
Over 10 years	33,863
Mortgage-backed securities	2,479
Held to Maturity, Fair Value	53,843	58,078
Mortgage-backed securities
Available for Sale Amortized Cost
Available-for-sale, Amortized Cost	264,621	327,535
Available for Sale Fair Value
Available for Sale, Fair Value	223,725	295,718
Held-to-Maturity Amortized Cost
Held to Maturity, Amortized Cost	2,660	3,279
Held-to-Maturity Fair Value
Held to Maturity, Fair Value	$ 2,479	$ 3,085

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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 next 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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Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in next 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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Amount, after allowance for credit loss, 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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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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