Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments

Future minimum lease payments to be paid over the terms of the leases are as follows (amounts in thousands):

2017	$	1,518
2018	1,518
2019	1,518
2020	1,518
2021	1,518
Thereafter	55,212
Total	$	62,802

Summary of Percent of Total Rental Revenue

For the years ended December 31, 2016 and 2015, six properties accounted for the following percent of total rental revenues. No other property accounted for more than 5.0% of total rental revenues.

	Year Ended December 31,
	2016		2015
Empire State Building	32.6	%	31.4	%
One Grand Central Place	12.5	%	12.2	%
1400 Broadway	7.8	%	7.7	%
111 West 33rd Street	6.8	%	8.3	%
First Stamford Place	6.4	%	6.5	%
250 West 57th Street	5.3	%	4.8	%

Schedule of Contributions to Multiemployer Plans

Contributions we made to the multi-employer plans for the years ended December 31, 2016, 2015 and 2014 are included in the table below (amounts in thousands):

Benefit Plan	2016		2015		2014
Pension Plans (pension and annuity)*	$	3,155	$	3,077	$	2,871
Health Plans**	8,280		8,296		7,628
Other***	542		619		319
Total plan contributions	$	11,977	$	11,992	$	10,818

* Pension plans include $0.8 million, $0.7 million and $0.8 million for the years ended 2016, 2015 and 2014, respectively, to multiemployer plans not discussed above.

** Health plans include $1.6 million, $1.4 million and $1.5 million for the years ended 2016, 2015 and 2014, respectively, to multiemployer plans not discussed above.

*** Other includes $0.2 million, $0.2 million and $0.08 million for the years ended 2016, 2015 and 2014, respectively, in connection with other multiemployer plans not discussed above for union costs which were not itemized between pension and health plans.