Servicing Rights (Fair Value of Servicing Assets) (Details) - Term Loan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value at the beginning of period	$ 860	$ 2,647	$ 1,131	$ 3,489
Addition:
Servicing resulting from transfers of financial assets	233	626	663	1,574
Changes in fair value:
Other changes in fair value	(392)	(1,284)	(1,093)	(3,074)
Fair value at the end of period (Level 3)	$ 701	$ 1,989	$ 701	$ 1,989