| Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
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| Net income (loss) | - | - | -9 | 17 | 11 | -719 | 125 | -8 | -82 | 93 |
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| Depreciation and amortization | 239 | 376 | 434 | 452 | 406 | 329 | 291 | 293 | 311 | 315 |
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| Amortization of Debt Issuance Costs and Discounts | - | - | 23 | 25 | 43 | 37 | 18 | 18 | 18 | 23 |
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| Loss (Gain) on debt extinguishment | - | - | - | - | - | -74 | -49 | 11 | -31 | - |
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| Interest rate swap termination | - | - | - | - | - | - | - | -9 | - | -1 |
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| Interest rate cap amortization | - | - | - | - | - | - | - | -9 | - | -1 |
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| Deferred income taxes | -1 | -2 | -41 | -7 | -11 | -14 | -6 | -29 | -68 | -19 |
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| Equity in earnings from unconsolidated entities | - | - | - | - | - | 0 | 2 | 2 | 3 | - |
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| Equity Method Investment Distributions Of Cumulative Earnings | - | - | - | - | - | 2 | 4 | 4 | 4 | - |
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| Cash paid for interest rate cap | - | - | - | - | - | - | - | - | - | -2 |
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| Straight-line rental revenues | 12 | 17 | 15 | 15 | 0 | 7 | 41 | 41 | 38 | 31 |
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| Stock-based compensation | 2 | 5 | 8 | 8 | 11 | 14 | 14 | 13 | 12 | 14 |
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| Goodwill, Impairment Loss | - | - | - | - | - | 71 | - | 241 | 204 | - |
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| (Gain) Loss on asset disposals | - | - | - | - | -7 | -2 | 0 | -1 | 1 | 1 |
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| Gain on sale of real estate | - | - | - | - | 29 | 86 | 0 | 0 | 2 | 19 |
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| Gain on sale of operations | - | - | - | - | -2 | - | 28 | 0 | - | - |
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| Gain on sale of unconsolidated entity | - | - | - | - | - | - | - | 8 | 3 | - |
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| Accretion of settlement payable | - | - | - | - | - | - | - | - | 11 | 6 |
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| Other | 0 | -1 | -1 | -8 | 0 | 0 | -0 | 0 | -1 | -3 |
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| Accounts receivable | 0 | 4 | 11 | 53 | -26 | -13 | -24 | 4 | 4 | 5 |
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| Other assets | 1 | 1 | 2 | -2 | -10 | 24 | -14 | -15 | -16 | -16 |
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| Accounts payable, accrued expenses and other liabilities | 32 | 3 | 6 | 41 | -3 | 38 | 28 | -31 | -55 | -28 |
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| Net cash provided by operating activities | - | - | - | 473 | 617 | 157 | 499 | 460 | 353 | 367 |
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| Capital expenditures | - | 35 | 166 | 424 | 350 | 317 | 386 | 428 | 417 | 355 |
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| Proceeds from sale of equipment | - | - | - | - | - | - | 1 | 2 | 3 | 2 |
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| Proceeds From Real Estate Sale | - | - | - | - | 130 | 392 | 1 | 1 | 3 | 40 |
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| Proceeds from sale of unconsolidated entity | - | - | - | - | - | - | - | 33 | - | 40 |
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| Net cash used in investing activities | - | - | - | -481 | -545 | 1 | -321 | -392 | -411 | -272 |
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| Repayment of debt | 11 | 22 | 21 | 21 | 21 | - | 2,260 | 194 | 2,264 | 123 |
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| Proceeds from Notes Payable | - | 549 | 201 | - | 345 | 2,250 | 2,380 | 307 | 2,600 | 309 |
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| Dividends paid | - | - | - | - | 139 | 136 | 141 | 143 | 107 | 109 |
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| Payments of settlement payable | - | - | - | - | - | - | 191 | - | 98 | 98 |
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| Proceeds from Other Debt | - | - | - | - | - | - | - | - | - | 130 |
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| Payments under revolving credit facility | - | 641 | 565 | 140 | 204 | 635 | 220 | 192 | 486 | 338 |
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| Proceeds from Lines of Credit | - | 641 | 845 | 500 | 139 | 170 | 310 | 180 | 506 | 275 |
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| Finance lease payments | - | - | - | - | 4 | 4 | 2 | 1 | 2 | 3 |
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| Payments for financing costs | 30 | 21 | 29 | - | 49 | 51 | 28 | 10 | 27 | 16 |
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| Payments for capped call option | - | - | - | - | - | - | - | 21 | - | - |
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| Payment for settlement of common stock warrant | - | - | - | - | - | - | - | 1 | 0 | - |
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| Proceeds from termination of bond hedge option | - | - | - | - | - | - | - | 1 | 0 | - |
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| Costs related to early repayment of debt | - | - | - | - | - | - | 36 | - | 44 | - |
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| Distributions paid to noncontrolling interest | - | - | 2 | 10 | 3 | 2 | 2 | 0 | 0 | 0 |
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| Payment for exchange of noncontrolling interest | - | - | 1 | - | - | - | - | 5 | - | 0 |
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| Proceeds from Stock Plans | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 |
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| Payments related to tax withholding for stock-based compensation | - | 2 | 2 | 2 | 2 | 1 | 4 | 5 | 1 | 2 |
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| Net cash provided by (used in) financing activities | - | - | - | -14 | 33 | -224 | -197 | -83 | 77 | 27 |
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| Net increase (decrease) in cash, restricted cash and cash equivalents | - | - | - | - | - | -65 | -19 | -15 | 18 | 122 |
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| Capital Expenditures Incurred but Not yet Paid | - | 6 | 15 | 18 | 17 | 15 | 15 | 9 | 9 | 10 |
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| Tenant capital improvements | - | - | - | - | - | - | 139 | 120 | 168 | 263 |
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| Sale of unconsolidated entity | - | - | - | - | - | - | - | - | 40 | - |
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