Sale of Real Estate - Schedule of Sale of Real Estate (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2017
USD ($)
Property
|
Jun. 30, 2016
USD ($)
Property
|
Jun. 30, 2017
USD ($)
Property
|
Jun. 30, 2016
USD ($)
Property
|
|
| Real Estate [Abstract] | ||||
| Number of properties disposed | Property | 5 | 1 | 6 | 2 |
| Aggregate sale price | $ 24,125 | $ 1,700 | $ 30,445 | $ 3,750 |
| Aggregate carrying value | 17,521 | 1,228 | 22,649 | 2,356 |
| Additional sales expenses | 1,127 | 130 | 1,516 | 288 |
| Gain on sale of real estate | $ 5,477 | $ 342 | $ 6,280 | $ 1,106 |