Derivative Financial Instruments Schedule of Offsetting of Derivate Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Offsetting Liabilities [Line Items]
Derivative Liabilities, Fair Value	$ 451	$ 447
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	451	447
Derivative Liability, Fair Value, Gross Asset	(451)	(447)
Derivative, Collateral, Right to Reclaim Cash	0	0
Derivative Liability	0	0
Barclays [Member]
Offsetting Liabilities [Line Items]
Derivative Liabilities, Fair Value	56	16
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	56	16
Derivative Liability, Fair Value, Gross Asset	(56)	(16)
Derivative, Collateral, Right to Reclaim Cash	0	0
Derivative Liability	0	0
Wells Fargo Bank [Member]
Offsetting Liabilities [Line Items]
Derivative Liabilities, Fair Value	395	431
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	395	431
Derivative Liability, Fair Value, Gross Asset	(395)	(431)
Derivative, Collateral, Right to Reclaim Cash	0	0
Derivative Liability	$ 0	$ 0