XML 39 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
ASC 606 Adoption Impact and Revenue from Contracts with Customers - ASC 606 Impact on Statements of Cash Flows (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Accounts receivable $ (1,114) $ (2,426)
Prepaid expenses and other current assets (3,140) (4,106)
Deferred contract acquisition costs (3,338) 0
Deferred revenue 1,170 2,025
Net cash provided by operating activities 13,708 $ 243
Balances without adoption of ASC 606    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Accounts receivable (1,011)  
Prepaid expenses and other current assets (2,778)  
Deferred contract acquisition costs 0  
Deferred revenue 2,422  
Net cash provided by operating activities 13,708  
Effect of Change Higher (Lower) | ASU 2014-09    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Accounts receivable (103)  
Prepaid expenses and other current assets (362)  
Deferred contract acquisition costs (3,338)  
Deferred revenue (1,252)  
Net cash provided by operating activities $ 0