Purchased Loans (Details 4) - Purchased loans $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($) loan
Number of Loans
Totals at January 1, 2017 | loan	42
Additional loans with concessions (loans) | loan	18
Reclassified as nonperforming (loans) | loan	(6)
Charge-offs (loans) | loan	(1)
Lapse of concession period (loans) | loan	(1)
Totals at June 30, 2017 | loan	52
Recorded Investment
Totals at January 1, 2017 | $	$ 4,028
Additional loans with concessions | $	4,209
Reclassified as nonperforming | $	(534)
Charge-offs | $	(17)
Lapse of concession period | $	(101)
Totals at June 30, 2017 | $	$ 7,409