Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Other Assets [Line Items]    
Other assets Current $ 5,102 $ 5,136
Other assets Non-Current 9,981 9,116
Due from independent contractors [Member]    
Other Assets [Line Items]    
Other assets Current 2,231 2,545
Other assets Non-Current 8,702 7,358
Security deposits [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 1,059 1,425
Employee Notes Receivable [Member]    
Other Assets [Line Items]    
Other assets Current 314 224
Other assets Non-Current 132 158
Customer trust accounts and other [Member]    
Other Assets [Line Items]    
Other assets Current 2,557 2,367
Other assets Non-Current $ 88 $ 175