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Fair Value Accounting (Details 1) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Assets    
Impaired loans $ 10,558 $ 8,769
Other real estate owned   242
Total assets measured at fair value on a nonrecurring basis 10,558 9,011
Level 1 [Member]    
Assets    
Impaired loans
Other real estate owned  
Total assets measured at fair value on a nonrecurring basis
Level 2 [Member]    
Assets    
Impaired loans 2,190 2,685
Other real estate owned   148
Total assets measured at fair value on a nonrecurring basis 2,190 2,833
Level 3 [Member]    
Assets    
Impaired loans 8,368 6,084
Other real estate owned   94
Total assets measured at fair value on a nonrecurring basis $ 8,368 $ 6,178