Guarantees and Indemnifications Guarantees (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Guarantees [Abstract]
Total of Loans Covered by Guarantees	$ 12,187	$ 33,440
Total of Guaranteed Loans Inquired About	1,300	9,100
Total Loans Indemnified to third parties	2,200	2,000
Loan Repurchase Guarantee Liability	$ 1,175	$ 2,900