Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lease costs

Lease Costs

Lease costs consisted of the following for the three months ended March 31, 2019 (in thousands):

	March 31, 2019
Operating lease cost	$	3,055
Variable lease cost	381
Total lease cost	$	3,436

Lessee - Lease Term and Discount Rates

The following is the weighted average remaining lease term and the weighted average discount rate for our operating leases as of March 31, 2019 (weighted average remaining lease term in years):

	March 31, 2019
Weighted-average remaining lease term
Operating leases	48.7
Weighted-average discount rate
Operating leases	5.3	%

Summary of lease repayments of operating lease liabilities

The following table summarizes the future minimum lease obligations of our operating leases as of March 31, 2019 under Topic 842 (in thousands):

Year	March 31, 2019
2019	$	7,751
2020	10,408
2021	9,877
2022	10,031
2023	10,132
Thereafter	639,234
Total undiscounted lease payments	$	687,433
Less: Interest	(490,120		)
Present value of lease liabilities	$	197,313

Schedule of future minimum rental payments for operating leases

As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous lease accounting standard, Topic 840, the following table summarizes the future minimum lease obligations of our operating leases as of December 31, 2018 (in thousands):

Year	December 31, 2018
2019	$	10,309
2020	10,408
2021	9,877
2022	10,031
2023	10,132
Thereafter	639,234
Total	$	689,991

Schedule of undiscounted cash flows for future minimum rents

The following table summarizes the future minimum rent contractually due under operating leases, excluding tenant reimbursements of certain costs, as of March 31, 2019 under Topic 842 (in thousands):

Year	March 31, 2019
2019	$	370,820
2020	457,596
2021	409,494
2022	356,994
2023	309,389
Thereafter	1,331,392
Total	$	3,235,685

As previou