Loans and Loans Held for Sale - Nonperforming Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Nonperforming Assets
Nonaccrual loans	$ 35,668	$ 31,037
Nonaccrual TDRs	10,324	11,598
Total nonaccrual loans	45,992	42,635
OREO	873	679
Total Nonperforming Assets	$ 46,865	$ 43,314