Inventory (Tables)

3 Months Ended

Mar. 31, 2019

Inventory

Schedule of inventory

	As of
	March 31,		December 31,
	2019		2018
	(In thousands)
Finished goods	$	242,363	$	215,186
Work-in-process and service repairs		49,939		56,871
Raw materials		16,949		18,676
Total inventory	$	309,251	$	290,733