XML 72 R59.htm IDEA: XBRL DOCUMENT v3.19.2
Common Stock and Stockholders' Equity - Compensation Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Compensation costs charged as an expense        
Stock-based compensation $ 17,368 $ 11,060 $ 30,891 $ 18,891
Administrative And Marketing        
Compensation costs charged as an expense        
Stock-based compensation 1,317 569 2,138 972
Sales        
Compensation costs charged as an expense        
Stock-based compensation 2,528 2,002 4,658 3,576
Technology And Development        
Compensation costs charged as an expense        
Stock-based compensation 2,141 1,664 4,039 2,878
General and administrative expenses        
Compensation costs charged as an expense        
Stock-based compensation $ 11,382 $ 6,825 $ 20,056 $ 11,465