Fair Value Measurements Schedule of Fair Value Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Balance at beginning of period	$ 231	$ 309
Total realized and unrealized gains (losses)
Included in net income	0	0
Included in other comprehensive income	(1)	(1)
Principal paydowns	(61)	(77)
Transfers in and (out) of Level 3	0	0
Balance at end of period	$ 169	$ 231