Goodwill and Other Intangible Assets Narrative Data (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill at acquisition						$ 2,200
Core deposit intangible at acquisition						$ 1,700
Intangible asset amortization period			10 years
Net core deposit intangible	$ 114		$ 114		$ 242
Amortization of core deposit intangible	$ 43	$ 43	$ 129	$ 129