Segment Information (Details) (USD $) In Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2011 | Mar. 31, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | Dec. 31, 2010 | |
| Summary information by business segment | ||||||
| Rental income | $ 269,877 | $ 140,723 | $ 556,603 | $ 398,871 | ||
| Resident fees and services | 276,364 | 113,182 | 593,348 | 331,535 | ||
| Medical office building and other services revenue | 9,271 | 6,711 | 26,050 | 6,711 | ||
| Income from loans and investments | 10,072 | 4,014 | 24,548 | 11,336 | ||
| Interest and other income | 373 | 35 | 529 | 420 | ||
| Total revenues | 565,957 | 264,665 | 1,201,078 | 748,873 | ||
| Property-level operating expenses | 209,161 | 82,007 | 440,965 | 236,069 | ||
| Medical office building services costs | 6,347 | 4,633 | 19,837 | 4,633 | ||
| Segment NOI | 350,076 | 177,990 | 739,747 | 507,751 | ||
| Income (loss) from unconsolidated entities | 182 | (392) | (71) | (392) | ||
| Segment profit | 350,258 | 177,598 | 739,676 | 507,359 | ||
| Interest expense | (73,756) | (45,519) | (170,046) | (133,449) | ||
| Depreciation and amortization | (161,027) | (52,104) | (293,541) | (154,458) | ||
| General, administrative and professional fees | (20,624) | (15,278) | (51,010) | (35,819) | ||
| Loss on extinguishment of debt | (8,685) | (16,500) | (25,211) | (6,549) | ||
| Litigation proceeds, net | (85,327) | (85,327) | ||||
| Merger-related expenses and deal costs | (69,350) | (5,142) | (131,606) | (11,668) | ||
| Other | (14,436) | 419 | (6,664) | 404 | ||
| Income tax benefit (expense) | 13,904 | (1,657) | 23,310 | (2,352) | ||
| Discontinued operations | 542 | 7,139 | ||||
| Net income | 101,984 | 58,894 | 170,764 | 171,027 | 249,729 | |
Triple-Net Leased Properties [Member] | ||||||
| Summary information by business segment | ||||||
| Rental income | 211,479 | 117,906 | 450,211 | 351,625 | ||
| Medical office building and other services revenue | 1,109 | 1,109 | ||||
| Total revenues | 212,588 | 117,906 | 451,320 | 351,625 | ||
| Segment NOI | 212,588 | 117,906 | 451,320 | 351,625 | ||
| Income (loss) from unconsolidated entities | 121 | 121 | ||||
| Segment profit | 212,709 | 117,906 | 451,441 | 351,625 | ||
Senior Living Operations [Member] | ||||||
| Summary information by business segment | ||||||
| Resident fees and services | 276,364 | 113,182 | 593,348 | 331,535 | ||
| Total revenues | 276,364 | 113,182 | 593,348 | 331,535 | ||
| Property-level operating expenses | 188,856 | 74,066 | 403,706 | 219,802 | ||
| Segment NOI | 87,508 | 39,116 | 189,642 | 111,733 | ||
| Segment profit | 87,508 | 39,116 | 189,642 | 111,733 | ||
MOB Operations [Member] | ||||||
| Summary information by business segment | ||||||
| Rental income | 58,398 | 22,817 | 106,392 | 47,246 | ||
| Medical office building and other services revenue | 8,162 | 6,711 | 24,941 | 6,711 | ||
| Total revenues | 66,560 | 29,528 | 131,333 | 53,957 | ||
| Property-level operating expenses | 20,305 | 7,941 | 37,259 | 16,267 | ||
| Medical office building services costs | 6,347 | 4,633 | 19,837 | 4,633 | ||
| Segment NOI | 39,908 | 16,954 | 74,237 | 33,057 | ||
| Income (loss) from unconsolidated entities | 61 | (392) | (192) | (392) | ||
| Segment profit | 39,969 | 16,562 | 74,045 | 32,665 | ||
All Other [Member] | ||||||
| Summary information by business segment | ||||||
| Income from loans and investments | 10,072 | 4,014 | 24,548 | 11,336 | ||
| Interest and other income | 373 | 35 | 529 | 420 | ||
| Total revenues | 10,445 | 4,049 | 25,077 | 11,756 | ||
| Segment NOI | 10,072 | 4,014 | 24,548 | 11,336 | ||
| Segment profit | $ 10,072 | $ 4,014 | $ 24,548 | $ 11,336 | ||
| X | ||||||||||
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate costs related to construction and development services during the reporting period. 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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| X | ||||||||||
- Definition Costs incurred and are directly related to generating revenues from leased and rented property or equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) estimated litigation liability extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).
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| X | ||||||||||
- Definition The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item does not include realized or unrealized gains or losses on the sale or holding of investments in debt and equity securities required to be included in earnings for the period or for other than temporary losses related to investments in debt and equity securities which are included in realized losses in the period recognized, and does not include investment income from real or personal property, such as rental income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues.
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| X | ||||||||||
- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Other real estate revenue not otherwise specified in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition Management fee and construction revenue.
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| X | ||||||||||
- Definition Amount of profit or loss recognized by the reportable segment
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