Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
Notes Receivable from Partners - Schedule of Notes Receivable from Partners (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Accounts Notes And Loans Receivable [Line Items]      
New notes receivable issued to partners $ 120   $ 940
Partners      
Accounts Notes And Loans Receivable [Line Items]      
Beginning balance 2,789 $ 3,212  
Repayment of notes (880) (489)  
Interest accrued and capitalized on notes receivable 56 66  
New notes receivable issued to partners 120    
Ending balance $ 2,085 $ 2,789 $ 3,212