Property and Equipment - Schedule of Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Depreciation expense
Total depreciation expense	$ 555,297	$ 475,306	$ 378,569
Buildings and improvements
Depreciation expense
Total depreciation expense	11,596	17,285	7,505
Furniture, fixtures, equipment and other
Depreciation expense
Total depreciation expense	83,746	72,387	64,767
Customer rental equipment
Depreciation expense
Total depreciation expense	174,749	146,562	114,568
Satellites
Depreciation expense
Total depreciation expense	$ 285,206	$ 239,072	$ 191,729