Investment Securities - Schedule of Amortized Cost and Fair Value of Investment Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Amortized Cost
Due in 1 year or less	$ 23,959
Due after 1 year through 5 years	117,319
Due after 5 years through 10 years	224,344
Due after 10 years	298,649
Amortized Cost	664,271	$ 338,047
Fair Value
Due in 1 year or less	24,211
Due after 1 year through 5 years	122,329
Due after 5 years through 10 years	231,142
Due after 10 years	295,771
Total	$ 673,453	$ 357,726

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).

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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 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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