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Investment Securities - Summary of Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Amortized Cost
Amortized Cost	$ 427,128	$ 421,272
Fair Value
Fair Value	379,814	421,466
Total debt securities
Amortized Cost
Within one year	5,034
After one year, but within five years	140,570
After five years, but within ten years	41,366
After ten years	239,334
Amortized Cost	426,304	420,394
Fair Value
Within one year	5,033
After one year, but within five years	130,614
After five years, but within ten years	37,368
After ten years	205,975
Fair Value	$ 378,990	$ 420,588

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