Revenue Recognition - Contract Balances with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Trade accounts receivable
Trade accounts receivable	$ 166,019		$ 166,019		$ 162,405
Contract assets	60,012		60,012		55,295
Allowance for doubtful accounts	(25,252)		(25,252)		(16,604)
Total trade accounts receivable and contract assets, net	200,779		200,779		201,096
Trade accounts receivable - DISH Network	16,125		16,125		14,200
Contract liabilities:
Current	109,557		109,557		72,284
Noncurrent	10,730		10,730		10,133
Total contract liabilities	120,287		120,287		82,417
Revenue recognized			67,300
Bad debt expense	3,200	$ 8,600	23,200	$ 16,600
Sales and services
Trade accounts receivable
Trade accounts receivable	163,006		163,006		154,415
Trade accounts receivable - DISH Network	12,272		12,272		12,274
Leasing
Trade accounts receivable
Trade accounts receivable	3,013		3,013		7,990
Trade accounts receivable - DISH Network	$ 3,853		$ 3,853		$ 1,926