Securities - Amortized Cost and Estimated Fair Value of Investment Securities by Contractual Maturity (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Amortized Cost
Less than one year	$ 81,436
Due after one year through five years	165,148
Due after five years through ten years	221,620
Due after ten years	295,107
Total amortized cost	763,311
Estimated Fair Value
Less than one year	81,117
Due after one year through five years	156,828
Due after five years through ten years	206,328
Due after ten years	271,762
Total estimated fair value	$ 716,035