Notes Payable Notes Other (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 770,162	$ 721,293	$ 721,293
Debt Issuance Costs, Net	2,351	(2,483)
Long-term Debt	$ 767,811	$ 718,810