XML 42 R29.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Financial Instruments and Fair Value Measurements (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Fair Value Disclosures [Abstract] |
Debt Instruments with Carrying Values Different than Estimated Fair Values | Debt instruments with carrying values that are different than estimated fair values are summarized as follows (in thousands):
| September 30, 2018 |  |  | December 31, 2017 |
| Carrying Amount |  |  | Fair Value |  |  | Carrying Amount |  |  | Fair Value |
Senior Notes | $ | 1,896,458 |  |  | $ | 1,890,538 |  |  | $ | 2,810,100 |  |  | $ | 2,884,272 |
Revolving Credit Facilities and term loans |  | 303,540 |  |  |  | 306,206 |  |  |  | 398,130 |  |  |  | 400,119 |
Mortgage Indebtedness |  | 185,004 |  |  |  | 185,128 |  |  |  | 641,082 |  |  |  | 653,185 |
| $ | 2,385,002 |  |  | $ | 2,381,872 |  |  | $ | 3,849,312 |  |  | $ | 3,937,576 |

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration