Goodwill And Other Intangible Assets - Acquired intangible assets subject to amortization (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Net Intangible Asset	$ 1,527
Core deposit
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,590	$ 3,590
Accumulated Amortization	(2,063)	(1,472)
Net Intangible Asset	$ 1,527	$ 2,118