Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Data - Schedule of Other Assets (Detail)

v3.7.0.1
Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Other Assets [Line Items]    
Other assets Current $ 4,354 $ 5,102
Other assets Non-Current 21,470 9,981
Due from independent contractors [Member]    
Other Assets [Line Items]    
Other assets Current 1,585 2,231
Other assets Non-Current 20,028 8,702
Security deposits [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 1,134 1,059
Employee Notes Receivable [Member]    
Other Assets [Line Items]    
Other assets Current 273 314
Other assets Non-Current 246 132
Customer trust accounts and other [Member]    
Other Assets [Line Items]    
Other assets Current 2,496 2,557
Other assets Non-Current $ 62 $ 88