Commitments and Contingencies - Additional Information (Detail) shares in Millions |
9 Months Ended |
---|---|
Sep. 30, 2019
USD ($)
Agreement
shares
| |
Commitments And Contingencies [Line Items] | |
Number of promoted interest agreements | 6 |
Number of promoted interest agreements not met established performance metrics | 5 |
Number of promoted interest agreements met established performance metrics | 1 |
Company accrued interest to holder's | $ | $ 0 |
Advisor Expense Support Agreement | Restricted Stock | |
Commitments And Contingencies [Line Items] | |
Contingently issuable restricted stock shares | shares | 1.3 |