Quarterly report pursuant to Section 13 or 15(d)

Notes Receivable from Partners - Schedule of Notes Receivable from Partners (Detail)

v3.5.0.2
Notes Receivable from Partners - Schedule of Notes Receivable from Partners (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]    
New note receivable issued to a partner $ 120  
Partners    
Accounts Notes And Loans Receivable [Line Items]    
Beginning balance 2,789 $ 3,212
New note receivable issued to a partner 120  
Repayment of notes (533) (489)
Interest accrued and capitalized on notes receivable 29 66
Ending balance $ 2,405 $ 2,789