Rent Expense (Tables)

6 Months Ended

Jun. 30, 2017

Leases [Abstract]

Schedule of future minimum lease obligations under non-cancelable ground leases

As of June 30, 2017, the future minimum lease obligations under non-cancelable parking, air, ground, and office leases were as follows (in thousands):

2017	$	1,134
2018	2,261
2019	2,184
2020	2,126
2021	2,139
Thereafter	98,307
Total	$	108,151