Property and Equipment (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Depreciation expense
Total depreciation expense	$ 129,512	$ 118,791	$ 381,450	$ 332,250
Buildings and improvements
Depreciation expense
Total depreciation expense	2,597	4,218	7,862	10,977
Furniture, fixtures, equipment and other
Depreciation expense
Total depreciation expense	19,915	18,516	59,322	51,073
Customer rental equipment
Depreciation expense
Total depreciation expense	43,584	39,104	129,907	103,781
Satellites
Depreciation expense
Total depreciation expense	$ 63,416	$ 56,953	$ 184,359	$ 166,419