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Segment Disclosures - Summary Information for the Reportable Segments (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | item |  |  |  |  |  |  |  |  |  |  |  | 5 |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | $ 1,904,802 | $ 1,948,014 | $ 1,865,584
Resident Fees and Services |  |  |  |  |  |  |  |  |  |  |  | 525,453 | 241,965 | 146,288
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (614,375) | (384,603) | (298,282)
NOI |  |  |  |  |  |  |  |  |  |  |  | 1,815,880 | 1,805,376 | 1,713,590
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | (108,958) | (158,376) | (132,552)
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 1,706,922 | 1,647,000 | 1,581,038
Interest Income |  |  |  |  |  |  |  |  |  |  |  | 112,184 | 74,491 | 86,159
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | 1,819,106 | 1,721,491 | 1,667,197
Addback non-cash adjustments |  |  |  |  |  |  |  |  |  |  |  | 108,958 | 158,376 | 132,552
Investment management fee income |  |  |  |  |  |  |  |  |  |  |  | 1,873 | 1,809 | 1,847
Interest expense |  |  |  |  |  |  |  |  |  |  |  | (479,596) | (439,742) | (435,252)
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |  |  | (510,785) | (459,995) | (423,312)
General and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | (96,022) | (82,175) | (103,042)
Acquisition and pursuit costs |  |  |  |  |  |  |  |  |  |  |  | (27,309) | (17,142) | (6,191)
Impairments |  |  |  |  |  |  |  |  |  |  |  | (1,403,853) |  |
Gain on sales of real estate, net of income taxes |  |  |  |  |  |  |  |  |  |  |  | 6,377 | 3,288 |
Other income, net |  |  |  |  |  |  |  |  |  |  |  | 14,404 | 7,528 | 18,216
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  |  |  | 9,011 | (250) | (5,815)
Equity income from unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |  | 57,313 | 49,570 | 64,433
Impairments of investments in unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |  | (45,895) | (35,913) |
Discontinued operations |  |  |  |  |  |  |  |  |  |  | $ 29,746 |  | 29,746 | 74,373
Net (loss) income |  |  |  | $ (594,617) | $ 117,954 | $ 167,748 | $ (237,503) | $ 199,630 | $ 251,059 | $ 222,279 | $ 263,623 | (546,418) | 936,591 | 985,006
Senior housing |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | 519,102 | 621,114 | 602,506
Resident Fees and Services |  |  |  |  |  |  |  |  |  |  |  | 525,453 | 241,965 | 146,288
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (374,617) | (167,407) | (95,603)
NOI |  |  |  |  |  |  |  |  |  |  |  | 669,938 | 695,672 | 653,191
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | (16,127) | (78,197) | (58,699)
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 653,811 | 617,475 | 594,492
Interest Income |  |  |  |  |  |  |  |  |  |  |  | 28,718 | 14,249 | 11,621
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | 682,529 | 631,724 | 606,113
Impairments of investments in unconsolidated joint ventures | $ (19,000) | $ (27,000) | $ (36,000) |  |  |  |  |  |  |  |  |  |  |
Post-acute/skilled |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | 535,111 | 555,322 | 541,805
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (2,002) | (2,087) | (2,485)
NOI |  |  |  |  |  |  |  |  |  |  |  | 533,109 | 553,235 | 539,320
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | (78,738) | (69,141) | (71,812)
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 454,371 | 484,094 | 467,508
Interest Income |  |  |  |  |  |  |  |  |  |  |  | 83,466 | 60,242 | 73,595
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | 537,837 | 544,336 | 541,103
Life science |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | 342,984 | 314,114 | 296,879
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (70,217) | (63,080) | (56,956)
NOI |  |  |  |  |  |  |  |  |  |  |  | 272,767 | 251,034 | 239,923
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | (10,128) | (10,075) | (11,448)
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 262,639 | 240,959 | 228,475
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | 262,639 | 240,959 | 228,475
Medical office |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | 419,225 | 370,956 | 352,334
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (163,550) | (148,199) | (139,376)
NOI |  |  |  |  |  |  |  |  |  |  |  | 255,675 | 222,757 | 212,958
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | (5,025) | (1,406) | (2,147)
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 250,650 | 221,351 | 210,811
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | 250,650 | 221,351 | 210,811
Hospital |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information, revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental Revenues |  |  |  |  |  |  |  |  |  |  |  | 88,380 | 86,508 | 72,060
Operating expenses |  |  |  |  |  |  |  |  |  |  |  | (3,989) | (3,830) | (3,862)
NOI |  |  |  |  |  |  |  |  |  |  |  | 84,391 | 82,678 | 68,198
Non-cash adjustments to NOI |  |  |  |  |  |  |  |  |  |  |  | 1,060 | 443 | 11,554
Adjusted (Cash) NOI |  |  |  |  |  |  |  |  |  |  |  | 85,451 | 83,121 | 79,752
Interest Income |  |  |  |  |  |  |  |  |  |  |  |  |  | 943
Portfolio Income |  |  |  |  |  |  |  |  |  |  |  | $ 85,451 | $ 83,121 | $ 80,695

X
- Definition Adjusted NOI is calculated as NOI after eliminating the effects of straight-line rents, DFL accretion, amortization of above and below market lease intangibles, and lease termination fees. Adjusted NOI is sometimes referred to as "Cash NOI". + References No definition available. + Details
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- Definition NOI is a non-GAAP supplemental financial measure used to evaluate the operating performance of real estate. The Company defines NOI as rental revenues, including tenant recoveries, resident fees and services, and income from direct financing leases, less property level operating expenses. NOI excludes interest income, investment management fee income, depreciation and amortization, interest expense, general and administrative expenses, impairments, impairment recoveries, other income, net, income taxes, equity income from and impairments of investments in unconsolidated joint ventures, and discontinued operations. The Company believes NOI provides relevant and useful information because it reflects only income and operating expense items that are incurred at the property level and presents them on an unleveraged basis. The Company uses NOI to make decisions about resource allocations and to assess and compare property level performance. The Company believes that net income is the most directly comparable GAAP measure to NOI. NOI should not be viewed as an alternative measure of operating performance to net income as defined by GAAP because it does not reflect the aforementioned excluded items. Further, the Company's definition of NOI may not be comparable to the definition used by other REITs, as those companies may use different methodologies for calculating NOI. + References No definition available. + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of revenues recognized from services provided to residents in facilities owned or operated by the health care organization (not including patient service revenue), which may be based on contractual rates set forth in agreements with third-party payers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51673510&loc=d3e8184-115640 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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