Fair Value Measurements Assets and Liabilities Measured on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Real Estate Assets Fair Value Disclosure	$ 0	$ 76	$ 0	$ 1,605
Total losses	0	622	0	1,426
Long Lived Assets Initial Basis	$ 0	$ 698	$ 0	$ 3,031