Goodwill and Other Intangible Assets Narrative Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	May 27, 2011
Finite-Lived Intangible Assets [Line Items]
Goodwill at acquisition				$ 2,200
Core deposit intangible at acquisition				$ 1,700
Net core deposit intangible	$ 199		$ 242
Amortization of core deposit intangible	$ 43	$ 43