Acquisitions - Summary of Useful Lives of Customer Relationships Based on Customer Attrition (Detail)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2015
USD ($)
|
|---|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years 3 months 18 days
|
| Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years 6 months
|
| WAM Technologies, LLC [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 4,810
|
| WAM Technologies, LLC [Member] | Customer Lists One Customer [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 3,720
|
| WAM Technologies, LLC [Member] | Customer Lists All Other Customers [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
11 years
|
| Total intangible assets |
$ 600
|
| WAM Technologies, LLC [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 450
|
| WAM Technologies, LLC [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
2 years
|
| Total intangible assets |
$ 40
|
| InSync Software, Inc [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 5,788
|
| InSync Software, Inc [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 632
|
| InSync Software, Inc [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
4 years
|
| Total intangible assets |
$ 100
|
| InSync Software, Inc [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
14 years
|
| Total intangible assets |
$ 5,056
|
| SkyWave Mobile Communications Inc. [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 67,214
|
| SkyWave Mobile Communications Inc. [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 5,463
|
| SkyWave Mobile Communications Inc. [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
5 years
|
| Total intangible assets |
$ 1,062
|
| SkyWave Mobile Communications Inc. [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 59,371
|
| SkyWave Mobile Communications Inc. [Member] | M2M and DGS Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
5 years
|
| Total intangible assets |
$ 1,318
|
| Euroscan Holding B.V. [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 17,400
|
| Euroscan Holding B.V. [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 2,400
|
| Euroscan Holding B.V. [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 600
|
| Euroscan Holding B.V. [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
12 years
|
| Total intangible assets |
$ 14,400
|
| SENS [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 1,270
|
| SENS [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 260
|
| SENS [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
3 years
|
| Total intangible assets |
$ 30
|
| SENS [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
7 years
|
| Total intangible assets |
$ 980
|
| GlobalTrak [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 500
|
| GlobalTrak [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 380
|
| GlobalTrak [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
5 years
|
| Total intangible assets |
$ 70
|
| GlobalTrak [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
5 years
|
| Total intangible assets |
$ 50
|
| MobileNet [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Total intangible assets |
$ 3,460
|
| MobileNet [Member] | Technology [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 730
|
| MobileNet [Member] | Trademarks [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
5 years
|
| Total intangible assets |
$ 130
|
| MobileNet [Member] | Customer Lists [Member] |
|
| Acquired Finite Lived Intangible Assets [Line Items] |
|
| Estimated Useful life (years) |
10 years
|
| Total intangible assets |
$ 2,600
|