Equity Method Investments Equity Method Investment Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investment, Underlying Equity in Net Assets	$ 7,898	$ (542)	$ 8,563
Gain on sale of our interest in HMA	8,300
All other adjustments due to amortization of basis differences, timing of GAAP adjustments and other adjustments	218	300	118
Equity in income of investees	$ 16,440	$ (242)	$ 8,681