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Investment Securities - Summary of Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Available for sale, Amortized Cost
Amortized Cost	$ 416,217	$ 421,272
Available for sale, Fair Value
Fair Value	366,742	421,466
Total debt securities
Available for sale, Amortized Cost
Within one year	0
After one year, but within five years	133,910
After five years, but within ten years	40,660
After ten years	240,812
Amortized Cost	415,382	420,394
Available for sale, Fair Value
Within one year	0
After one year, but within five years	123,295
After five years, but within ten years	36,742
After ten years	205,870
Fair Value	$ 365,907	$ 420,588

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