Fair Value Accounting (Details 1) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets
Impaired loans	$ 11,253	$ 10,575
Other real estate owned	1,169
Total assets measured at fair value on a nonrecurring basis	12,422	10,575
Fair Value, Inputs, Level 1 [Member]
Assets
Impaired loans
Other real estate owned
Total assets measured at fair value on a nonrecurring basis
Fair Value, Inputs, Level 2 [Member]
Assets
Impaired loans	8,144	5,634
Other real estate owned	1,169
Total assets measured at fair value on a nonrecurring basis	9,313	5,634
Fair Value, Inputs, Level 3 [Member]
Assets
Impaired loans	3,109	4,941
Other real estate owned
Total assets measured at fair value on a nonrecurring basis	$ 3,109	$ 4,941