v3.10.0.1

Contract assets and contract liabilities (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2018 USD ($)
Contract assets, net |  |
Balance at January 1, 2018 |  | $ 798
Balance at September 30, 2018 | $ 911 | 911
Change |  | 113
Contract liabilities, net |  |
Balance at January 1, 2018 |  | 204,472
Balance at September 30, 2018 | 206,736 | 206,736
Change |  | 2,264
Contract liability and performance obligations included in revenue |  |
Amounts included in the beginning of period contract liability balance | 16,572 | 66,864
Amounts associated with performance obligations satisfied in previous periods | 67 | $ 257
Revenue performance obligations |  |
Practical expedient of remaining performance obligations |  | true
DAS |  |
Revenue performance obligations |  |
Remaining service performance obligations | $ 191,458 | $ 191,458
DAS | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Minimum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 1 year | 1 year
DAS | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Maximum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 16 years | 16 years
Wholesale-Wi-Fi |  |
Revenue performance obligations |  |
Remaining service performance obligations | $ 9,439 | $ 9,439
Wholesale-Wi-Fi | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Minimum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 1 year | 1 year
Wholesale-Wi-Fi | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Maximum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 16 years | 16 years

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