Loans (Details 5) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 17,645	$ 19,016
Loans over 90 days past due and still accruing	0	0
Total non-performing loans	17,645	19,016
Real estate and other assets held for sale	941	1,205
Total non-performing assets	18,586	20,221
Troubled debt restructuring, still accruing	$ 11,908	$ 11,573