Securities Available For Sale - Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Contractual Maturities, Amortized Cost
Within one year	$ 7,066	$ 6,288
After one through five years	257,982	239,770
After five through ten years	513	515
After ten years	345	851
Amortized Costs, Gross	265,906	247,424
Amortized Costs, Net	315,289	269,323
Contractual Maturities, Fair Value
Within one year	7,069	6,302
After one through five years	257,620	239,877
After five through ten years	553	549
After ten years	379	896
Fair Value, Gross	265,621	247,624
Available-for-sale Securities, Debt Securities, Total	315,260	269,802
Mortgage-backed - Government-sponsored entity (GSE) - residential
Contractual Maturities, Amortized Cost
Amortized Costs, Mortgage-backed - Government-sponsored entity (GSE) - residential	49,383	21,899
Amortized Costs, Net	49,383	21,899
Contractual Maturities, Fair Value
Fair Value, Mortgage-backed - Government-sponsored entity (GSE) - residential	49,639	22,178
Available-for-sale Securities, Debt Securities, Total	$ 49,639	$ 22,178