Loans Loans (Activity for Related Party Loans of $60,000 or More) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Loans and Leases Receivable, Related Parties [Roll Forward]
Balance, beginning	$ 22,974	$ 20,586
Additions	33,004	11,095
Amounts collected	(12,318)	(6,142)
Other changes, net	(1,662)	(2,565)
Balance, ending	$ 41,998	$ 22,974