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Investment Securities - Summary of Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Securities available for sale
Amortized Cost, Due in 1 year or less	$ 12	$ 0	$ 0
Fair Value (Estimated), Due in 1 year or less	12	0	0
Amortized Cost, Due in 1 to 5 years	3,676	5,004	5,683
Fair Value (Estimated), Due in 1 to 5 years	3,576	5,173	5,909
Amortized Cost, Due in 5 to 10 years	18,172	52,782	38,136
Fair Value (Estimated), Due in 5 to 10 years	15,551	53,057	39,018
Amortized Cost, Due after 10 years	321,389	264,955	260,921
Fair Value (Estimated), Due after 10 years	282,598	262,336	261,320
Amortized Cost	343,249	322,741	304,740
Fair Value (Estimated)	301,737	320,566	306,247
Securities to be held to maturity
Amortized Cost, Due in 1 year or less	1,792	2,515	3,813
Fair Value (Estimated), Due in 1 year or less	1,794	2,521	3,800
Amortized Cost, Due in 1 to 5 years	14,852	17,624	20,629
Fair Value (Estimated), Due in 1 to 5 years	14,738	18,338	21,477
Amortized Cost, Due in 5 to 10 years	72,240	174,982	167,850
Fair Value (Estimated), Due in 5 to 10 years	69,510	180,081	173,699
Amortized Cost, Due after 10 years	290,809	174,919	183,889
Fair Value (Estimated), Due after 10 years	249,908	174,387	184,478
Amortized Cost	379,693	370,040	376,181
Securities to be held to maturity, Fair Value (Estimated)	$ 335,950	$ 375,327	$ 383,454

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