Property and Equipment - Schedule of Depreciation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Property Plant And Equipment [Line Items] | ||||
| Depreciation | $ 1,347 | $ 3,714 | $ 5,789 | $ 8,987 |
| Service Costs | ||||
| Property Plant And Equipment [Line Items] | ||||
| Depreciation | 603 | 2,041 | 2,931 | 4,663 |
| Sales and Marketing | ||||
| Property Plant And Equipment [Line Items] | ||||
| Depreciation | 12 | 15 | 38 | 52 |
| Product Development | ||||
| Property Plant And Equipment [Line Items] | ||||
| Depreciation | 32 | 47 | 105 | 154 |
| General and Administrative | ||||
| Property Plant And Equipment [Line Items] | ||||
| Depreciation | $ 700 | $ 1,611 | $ 2,715 | $ 4,118 |