Recent Transactions (Summary Of Income (Loss) From Properties Disposed) (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 |
Dec. 31, 2013 |
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| Real Estate Properties [Line Items] | ||||||||||||||||
| Total revenues | $ 153,731 | $ 157,517 | $ 149,227 | $ 152,923 | $ 146,443 | $ 146,158 | $ 148,567 | $ 153,715 | $ 613,398 | $ 594,883 | $ 636,799 | |||||
| Depreciation and amortization | (52,045) | (48,117) | (43,459) | (43,063) | (43,136) | (44,099) | (42,365) | (40,802) | (186,684) | (170,402) | (172,490) | |||||
| Operating income (loss) | 22,110 | 27,931 | 27,368 | 27,229 | (11,383) | (139,310) | 27,353 | 27,008 | 104,638 | (96,332) | 88,811 | |||||
| Impairments | (33,743) | [1] | (164,176) | [1] | (197,919) | $ (25,200) | ||||||||||
| Realized gains/unrealized Losses on disposition | 41,002 | (17,053) | 27,117 | 58,600 | 18,718 | 34,399 | 144 | 109,666 | 53,261 | 54,848 | ||||||
| Net income (loss) available to common shareholders | $ 15,181 | $ (8,541) | $ 48,393 | $ 62,191 | $ (31,718) | $ (126,892) | $ 35,379 | $ (2,521) | 117,224 | (125,752) | 28,567 | |||||
| Disposal Group, Not Discontinued Operations [Member] | ||||||||||||||||
| Real Estate Properties [Line Items] | ||||||||||||||||
| Total revenues | 60,590 | 9,137 | 53,975 | |||||||||||||
| Operating and other expenses | (36,428) | (5,532) | (24,311) | |||||||||||||
| Depreciation and amortization | (22,712) | (11,700) | (9,955) | |||||||||||||
| Interest expense | (10,845) | (7,008) | (10,369) | |||||||||||||
| Operating income (loss) | (9,395) | (15,103) | 9,340 | |||||||||||||
| Realized gains/unrealized Losses on disposition | 117,331 | 53,261 | 54,848 | |||||||||||||
| Net income (loss) available to common shareholders | $ 107,936 | $ 38,158 | $ 64,188 | |||||||||||||
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| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate revenue from real estate operations during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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