v3.10.0.1

Contract assets and contract liabilities (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($)
Contract assets, net |  |
Balance at January 1, 2018 |  | $ 798
Balance at June 30, 2018 | $ 217 | 217
Change |  | (581)
Contract liabilities, net |  |
Balance at January 1, 2018 |  | 204,472
Balance at June 30, 2018 | 202,896 | 202,896
Change |  | (1,576)
Contract liability and performance obligations included in revenue |  |
Amounts included in the beginning of period contract liability balance | 23,598 | 50,292
Amounts associated with performance obligations satisfied in previous periods | 97 | $ 190
Revenue performance obligations |  |
Practical expedient of remaining performance obligations |  | true
DAS |  |
Revenue performance obligations |  |
Remaining service performance obligations | $ 190,219 | $ 190,219
DAS | Minimum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 1 year | 1 year
DAS | Maximum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 16 years | 16 years
Wholesale-Wi-Fi |  |
Revenue performance obligations |  |
Remaining service performance obligations | $ 7,365 | $ 7,365
Wholesale-Wi-Fi | Minimum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 1 year | 1 year
Wholesale-Wi-Fi | Maximum |  |
Revenue performance obligations |  |
Remaining duration of contracts | 16 years | 16 years

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