Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Other Assets [Line Items]    
Other assets Current $ 7,572 $ 5,529
Other assets Non-Current 32,568 23,163
MSRs, net of amortization [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 2,329 0
Due from independent contractors, net [Member]    
Other Assets [Line Items]    
Other assets Current 3,236 3,672
Other assets Non-Current 28,032 21,726
Security deposits [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 1,170 1,158
Employee Notes Receivable [Member]    
Other Assets [Line Items]    
Other assets Current 184 366
Other assets Non-Current 139 255
Customer trust accounts and other [Member]    
Other Assets [Line Items]    
Other assets Current 4,152 1,491
Other assets Non-Current $ 898 $ 24