Offsetting (Notes)

12 Months Ended

Dec. 31, 2014

Offsetting Assets [Line Items]

Offsetting Assets [Table Text Block]

							Gross Amounts not offset in the statement of financial position
Interest Rate Swaps as of:	Gross amount of recognized assets (liabilities)		Gross amount offset in the statement of financial position		Net amount of assets (liabilities) presented in the statement of financial position		Financial instruments		Cash collateral received		Net amount
December 31, 2013
Swap A	$	9,408	$	—	$	9,408	$	—	$	—	$	9,408
Swap B	9,263		—		9,263		—		—		9,263
	$	18,671	$	—	$	18,671	$	—	$	—	$	18,671