Goodwill and Other Intangible Assets Narrative Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	May 27, 2011
Goodwill And Intangible Assets [Line Items]
Goodwill at Acquisition			$ 2,200
Core Deposit Intangible at Acquisition			$ 1,700
Amortization of core deposit intangible	$ 171	$ 171