Rent Expense (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

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

As of June 30, 2019, the future minimum lease obligations under non-cancelable parking, air, ground, and corporate leases, were as follows (in thousands):

2019	$	1,265
2020	2,953
2021	2,952
2022	2,914
2023	2,909
Thereafter	138,076
Total undiscounted lease payments	$	151,069
Less: Interest	(90,377		)
Present value of lease liabilities	$	60,692

Lease cost

Lease costs consisted of the following for the six months ended June 30, 2019 (in thousands):

Operating lease cost	$	928
Variable lease cost	474
Total lease cost	$	1,402