XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
Summary of Percent of Total Rental Revenue | For the years ended December 31, 2019, 2018 and 2017, the six properties listed below accounted for the indicated percentage of total rental revenues. No other property accounted for more than 5.0% of total rental revenues.
|  | Year Ended December 31,
|  | 2019 |  | 2018 |  | 2017
Empire State Building |  | 32.9 | % |  | 31.9 | % |  | 32.0 | %
One Grand Central Place |  | 12.3 | % |  | 12.8 | % |  | 13.1 | %
111 West 33rd Street |  | 9.9 | % |  | 9.3 | % |  | 8.6 | %
1400 Broadway |  | 7.1 | % |  | 7.1 | % |  | 7.4 | %
250 West 57th Street |  | 5.5 | % |  | 5.2 | % |  | 5.2 | %
First Stamford Place |  | 5.4 | % |  | 5.9 | % |  | 5.4 | %
Schedule of Contributions to Multiemployer Plans | Contributions we made to the multi-employer plans for the years ended December 31, 2019, 2018 and 2017 are included in the table below (amounts in thousands):
|  | For the Year Ended December 31,
Benefit Plan |  | 2019 |  | 2018 |  | 2017
Pension Plans (pension and annuity)* |  | $ | 3,418 |  |  | $ | 3,327 |  |  | $ | 3,035 |
Health Plans** |  | 10,055 |  |  | 9,373 |  |  | 8,551 |
Other*** |  | 641 |  |  | 814 |  |  | 856 |
Total plan contributions |  | $ | 14,114 |  |  | $ | 13,514 |  |  | $ | 12,442 |
* | Pension plans include $1.0 million, $1.0 million and $0.9 million for the years ended 2019, 2018 and 2017, respectively, to multiemployer plans not discussed above.
** Health plans include $1.8 million, $1.6 million and $1.6 million for the years ended 2019, 2018 and 2017, respectively, to multiemployer plans not discussed above. *** Other consists of union costs which were not itemized between pension and health plans. Other includes $0.4 million, $0.2 million and $0.2 million for the years ended 2019, 2018 and 2017, respectively, in connection with other multiemployer plans not discussed above.

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

X
- Definition Tabular disclosure of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
Name: | us-gaap_ScheduleOfMultiemployerPlansTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592 + Details
Name: | us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration