Equity - Summary of Redemptions under Company's Share Redemption Program (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
|
Jun. 30, 2019
USD ($)
Stockholder
shares
|
Jun. 30, 2020
shares
|
Jun. 30, 2019
USD ($)
Stockholder
shares
|
|
| Equity [Abstract] | |||
| Number of redemptions requested | Stockholder | 16 | 29 | |
| Number of shares | shares | 38,000 | 0 | 59,000 |
| Aggregate redemption price | $ | $ 3,210 | $ 5,013 | |