Purchased Loans (Details 4) - Purchased loans $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) loan
Number of Loans
Totals at January 1, 2017 | loan	42
Additional loans with concessions (loans) | loan	14
Charge-offs (loans) | loan	(1)
Principal paydowns (loans) | loan	0
Totals at March 31, 2017 | loan	55
Recorded Investment
Totals at January 1, 2017 | $	$ 4,028
Additional loans with concessions | $	3,825
Charge-offs | $	(17)
Principal paydowns | $	(74)
Totals at March 31, 2017 | $	$ 7,762