Fair Value (Details 1) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Impaired loans
Total impaired loans		$ 1,775
Mortgage servicing rights	$ 501	629
Real estate held for sale
Total Real Estate held for sale	236	705
Commercial Real Estate [Member]
Impaired loans
Total impaired loans		1,456
Real estate held for sale
Total Real Estate held for sale	236	705
Commercial Loan [Member]
Impaired loans
Total impaired loans		319
Fair Value, Inputs, Level 1 [Member]
Impaired loans
Total impaired loans		0
Mortgage servicing rights	0	0
Real estate held for sale
Total Real Estate held for sale	0	0
Fair Value, Inputs, Level 1 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans		0
Real estate held for sale
Total Real Estate held for sale	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans
Total impaired loans		0
Mortgage servicing rights	501	629
Real estate held for sale
Total Real Estate held for sale	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans		0
Real estate held for sale
Total Real Estate held for sale	0	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans
Total impaired loans		1,775
Mortgage servicing rights	0	0
Real estate held for sale
Total Real Estate held for sale	236	705
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans		1,456
Real estate held for sale
Total Real Estate held for sale	$ 236	705
Fair Value, Inputs, Level 3 [Member] | Commercial Loan [Member]
Impaired loans
Total impaired loans		$ 319