Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Notes Receivable from Partners - Schedule of Notes Receivable from Partners (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Accounts Notes And Loans Receivable [Line Items]      
Interest accrued and capitalized on notes receivable $ 3 $ 8  
Partners      
Accounts Notes And Loans Receivable [Line Items]      
Beginning balance 924 $ 1,918 $ 1,918
New note receivable issued to partners     100
Repayment of notes (291)   (1,119)
Interest accrued and capitalized on notes receivable 3   25
Ending balance $ 636   $ 924