Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Contractual Obligation, Fiscal Year Maturity Schedule
As part of the Japan Acquisition completed in the first quarter of 2018, the Company became party to various agreements and future commitments. The following table summarizes estimates of future commitments related to the various agreements entered into as part of the Japan Acquisition as of June 30, 2018 (in thousands):
 
Remainder of 2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Operating leases
$
1,463

 
$
2,926

 
$
2,347

 
$
2,154

 
$
2,154

 
$
30,068

 
$
41,112

Service and maintenance agreements
1,511

 
3,180

 
5,798

 
6,284

 
6,263

 
44,853

 
67,889

Other
51,740

 
150,099

 
34,067

 
—

 
—

 
—

 
235,906

Total commitments (1)
$
54,714

 
$
156,205

 
$
42,212

 
$
8,438

 
$
8,417

 
$
74,921

 
$
344,907

(1) The accounting for the Japan Acquisition is preliminary. Refer to Note 5, Acquisitions for details.