v3.26.3
Segment Reporting - Summary Information for Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Resident fees and services $ 3,121,141 $ 2,061,370 $ 8,886,963 $ 5,896,944
Rental income   488,641 499,475 1,402,223 1,444,082
Interest income 83,251 67,216 231,549 191,763
Other income 22,744 57,631 91,554 124,234
Total revenues 3,715,777 2,685,692 10,612,289 7,657,023
Property operating expenses 2,246,026 1,577,048 6,451,569 4,554,149
Consolidated net operating income (loss) 1,469,751 1,108,644 4,160,720 3,102,874
Depreciation and amortization 706,786 509,812 2,067,302 1,490,717
Interest expense 192,655 162,052 567,284 448,171
General and administrative expenses 67,169 63,124 202,129 191,057
Loss (gain) on derivatives and financial instruments, net 0 31,682 0 28,063
Loss (gain) on extinguishment of debt, net 6,822 0 9,533 6,156
Provision for loan losses, net 230 1,088 4,045 (2,032)
Impairment of assets   33,452 3,081 64,052 75,359
Other expenses 124,687 44,699 242,754 75,357
Income (loss) from continuing operations before income taxes and other items 337,950 293,106 1,003,621 790,026
Income tax (expense) benefit (7,116) (2,335) 43,230 2,131
Income (loss) from unconsolidated entities (30,689) (12,610) (50,344) (18,739)
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net 114,678 4,025 633,615 70,652
Income (loss) from continuing operations 414,823 282,186 1,630,122 844,070
Net income (loss) 414,823 282,186 1,630,122 844,070
Seniors Housing Operating        
Segment Reporting [Line Items]        
Rental income       721,234 589,289
Operating Segments | Seniors Housing Operating        
Segment Reporting [Line Items]        
Resident fees and services 3,121,141 2,061,370 8,886,963 5,896,944
Rental income   0 0 0 0
Interest income 0 0 0 0
Other income 3,960 2,248 10,052 7,160
Total revenues 3,125,101 2,063,618 8,897,015 5,904,104
Property operating expenses 2,227,359 1,499,215 6,370,829 4,322,176
Consolidated net operating income (loss) 897,742 564,403 2,526,186 1,581,928
Operating Segments | Triple-net        
Segment Reporting [Line Items]        
Resident fees and services 0 0 0 0
Rental income   451,901 286,353 1,250,493 812,435
Interest income 0 0 8,077 2,111
Other income 172 284 456 875
Total revenues 452,073 286,637 1,259,026 815,421
Property operating expenses 6,206 8,227 21,355 25,697
Consolidated net operating income (loss) 445,867 278,410 1,237,671 789,724
Operating Segments | Outpatient Medical        
Segment Reporting [Line Items]        
Resident fees and services 0 0 0 0
Rental income   36,740 213,122 151,730 631,647
Interest income 0 0 0 0
Other income 811 2,050 2,721 6,352
Total revenues 37,551 215,172 154,451 637,999
Property operating expenses 4,947 63,319 30,514 190,759
Consolidated net operating income (loss) 32,604 151,853 123,937 447,240
Non-segment/Corporate        
Segment Reporting [Line Items]        
Resident fees and services 0 0 0 0
Rental income   0 0 0 0
Interest income 83,251 67,216 223,472 189,652
Other income 17,801 53,049 78,325 109,847
Total revenues 101,052 120,265 301,797 299,499
Property operating expenses 7,514 6,287 28,871 15,517
Consolidated net operating income (loss) $ 93,538 $ 113,978 $ 272,926 $ 283,982