Commitments and Contingencies - Summary of Total Lease Costs Associated with Operating Leases (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Variable lease costs | ||||
| Total lease costs | $ 201 | $ 46 | $ 304 | $ 93 |
| General and Administrative | Office Lease | ||||
| Operating lease costs | ||||
| Operating lease costs | 155 | 207 | ||
| Property and Operating Expense | Ground Lease | ||||
| Operating lease costs | ||||
| Operating lease costs | 34 | 35 | 67 | 70 |
| Variable lease costs | ||||
| Variable lease costs | $ 12 | $ 11 | $ 30 | $ 23 |