Revenue Recognition - Schedule of Contract with Customer, Assets and Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Revenue from External Customer [Line Items]
Trade accounts receivable	$ 162,405	$ 167,149
Contract assets	55,295	34,615
Allowance for doubtful accounts	(16,604)	(12,027)
Total trade accounts receivable and contract assets, net	201,096	189,737	$ 196,840
Trade accounts receivable - DISH Network	14,200	43,295	43,295
Contract liabilities:
Current	72,284	64,417	$ 65,959
Noncurrent	10,133	13,036
Total contract liabilities	82,417	77,453
Sales and services
Revenue from External Customer [Line Items]
Trade accounts receivable	154,415	156,794
Trade accounts receivable - DISH Network	12,274	16,118
Leasing
Revenue from External Customer [Line Items]
Trade accounts receivable	7,990	10,355
Trade accounts receivable - DISH Network	$ 1,926	$ 27,177