Property Dispositions - Results of Operations (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Disposal Group, Including Discontinued Operation, Income Statement Disclosures | |||||||||||
| Revenues | $ 113,875 | $ 110,076 | $ 109,185 | $ 107,226 | $ 110,328 | $ 108,202 | $ 109,667 | $ 98,750 | $ 440,362 | $ 426,947 | $ 396,706 |
| Expenses | $ (60,118) | $ (87,442) | $ (60,037) | $ (56,205) | $ (56,736) | $ (54,253) | $ (53,795) | $ (54,108) | (263,802) | (218,892) | (221,226) |
| Gain on sale of real estate, net of tax | 132,858 | 2,197 | 13,338 | ||||||||
| Provision for income taxes | (8,477) | (8,885) | (10,725) | ||||||||
| Income before gain on sale of real estate, net of tax | 96,350 | 121,923 | 93,655 | ||||||||
| Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | |||||||||||
| Disposal Group, Including Discontinued Operation, Income Statement Disclosures | |||||||||||
| Revenues | 32,170 | 37,062 | 39,211 | ||||||||
| Expenses | (27,415) | (32,457) | (37,570) | ||||||||
| Gain on sale of real estate, net of tax | 132,858 | 2,197 | 13,338 | ||||||||
| Impairment charges | (29,183) | 0 | 0 | ||||||||
| Loss on extinguishment of debt | (15,807) | 0 | 0 | ||||||||
| Provision for income taxes | (24) | (4) | (29) | ||||||||
| Income before gain on sale of real estate, net of tax | $ 92,599 | $ 6,798 | $ 14,950 | ||||||||