Securities - Amortized Cost and Estimated Fair Value of Investment Securities by Contractual Maturity (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Amortized Cost
Less than one year	$ 41,088
Due after one year through five years	167,126
Due after five years through ten years	224,954
Due after ten years	276,772
Amortized Cost, Total investment securities	709,940
Estimated Fair Value
Less than one year	40,795
Due after one year through five years	154,288
Due after five years through ten years	207,054
Due after ten years	251,772
Estimated Fair Value, Total investment securities	$ 653,909

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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