Loans (Details 5) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 16,737	$ 24,130
Loans over 90 days past due and still accruing	0	0
Total non-performing loans	16,737	24,130
Real estate and other assets held for sale	5,371	6,181
Total non-performing assets	22,108	30,311
Troubled debt restructuring, still accruing	$ 22,234	$ 24,686