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Deferred Charges and Other Assets, net: (Tables) | 12 Months Ended
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Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of deferred charges and other assets, net | Deferred charges and other assets, net at December 31, 2015 and 2014 consist of the following:
| 2015 |  | 2014
Leasing | $ | 248,709 |  |  | $ | 239,955 |
Financing | 45,874 |  |  | 47,171 |
Intangible assets: |  |  |
In-place lease values(1) | 196,969 |  |  | 298,825 |
Leasing commissions and legal costs(1) | 52,000 |  |  | 72,432 |
Above-market leases | 220,847 |  |  | 250,810 |
Deferred tax assets | 38,847 |  |  | 35,625 |
Deferred compensation plan assets | 37,341 |  |  | 35,194 |
Other assets | 70,070 |  |  | 66,246 |
| 910,657 |  |  | 1,046,258 |
Less accumulated amortization(2) | (323,374 | ) |  | (287,197 | )
| $ | 587,283 |  |  | $ | 759,061 |
_______________________________
(1) | The estimated amortization of these intangible assets for the next five years and thereafter is as follows:
Year Ending December 31, |
2016 | $ | 36,275 |
2017 | 23,415 |
2018 | 18,002 |
2019 | 14,874 |
2020 | 11,373 |
Thereafter | 35,577 |
| $ | 139,516 |
(2) | Accumulated amortization includes $109,453 and $103,361 relating to in-place lease values, leasing commissions and legal costs at December 31, 2015 and 2014, respectively. Amortization expense for in-place lease values, leasing commissions and legal costs was $69,460, $52,668 and $53,139 for the years ended December 31, 2015, 2014 and 2013, respectively.
Schedule of estimated amortization of intangible assets for the next five years and thereafter | The estimated amortization of these intangible assets for the next five years and thereafter is as follows:
Year Ending December 31, |
2016 | $ | 36,275 |
2017 | 23,415 |
2018 | 18,002 |
2019 | 14,874 |
2020 | 11,373 |
Thereafter | 35,577 |
| $ | 139,516 |
Allocated values of above-market leases and below-market leases | The allocated values of above-market leases and below-market leases consist of the following:
| 2015 |  | 2014
Above-Market Leases |  |  |
Original allocated value | $ | 220,847 |  |  | $ | 250,810 |
Less accumulated amortization | (73,520 | ) |  | (59,696 | )
| $ | 147,327 |  |  | $ | 191,114 |
Below-Market Leases(1) |  |  |
Original allocated value | $ | 227,063 |  |  | $ | 375,033 |
Less accumulated amortization | (101,872 | ) |  | (93,511 | )
| $ | 125,191 |  |  | $ | 281,522 |
_______________________________
(1) | Below‑market leases are included in other accrued liabilities.
Schedule of estimated amortization of allocated values of above and below-market leases for the next five years and thereafter | The estimated amortization of these values for the next five years and thereafter is as follows:
Year Ending December 31, |  | Above Market |  | Below Market
2016 |  | $ | 18,360 |  |  | $ | 20,309 |
2017 |  | 15,456 |  |  | 16,838 |
2018 |  | 13,045 |  |  | 15,054 |
2019 |  | 10,708 |  |  | 13,380 |
2020 |  | 9,176 |  |  | 10,649 |
Thereafter |  | 80,582 |  |  | 48,961 |
|  | $ | 147,327 |  |  | $ | 125,191 |

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- Definition Tabular disclosure of the allocated values of above and below-market leases expected to be amortized into minimum rents on a straight-line basis over the individual remaining lease terms. + References No definition available. + Details
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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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