Equity - Summary of Redemptions (Detail) shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2019
USD ($)
Stockholder
shares
|
Dec. 31, 2018
USD ($)
Stockholder
shares
|
Dec. 31, 2017
USD ($)
Stockholder
shares
|
|
| Equity [Abstract] | |||
| Number of redemptions requested | Stockholder | 96 | 50 | 32 |
| Number of shares | shares | 652 | 127 | 119 |
| Aggregate redemption price | $ | $ 54,599 | $ 10,304 | $ 9,439 |