Operating Leases Operating Leases, Lessor (Tables)

9 Months Ended

Sep. 30, 2019

Lessor, Lease, Description [Line Items]

operating lease, weighted average discount rate and remaining lease term [Text Block]

The following table summarizes the weighted-average remaining lease term and the weighted-average discount rate as of September 30, 2019:



	As of
	September 30, 2019
Weighted-average remaining lease term in years
Operating ground leases	16.8
Operating office lease	7.0

Weighted-average discount rate
Operating ground leases	4.95	%
Operating office lease	4.62	%

Lessor, Operating Leases [Text Block]

The following table summarizes the future minimum rentals on the Company's lessor and sub-lessor arrangements at September 30, 2019 and December 31, 2018 (in thousands):



	September 30, 2019						December 31, 2018 ⁽²⁾
	Operating leases		Sub-lessor operating ground leases				Operating leases
	Amount ⁽¹⁾		Amount ⁽¹⁾		Total		Amount ⁽¹⁾
Year:
2019	$	141,626	$	6,139	$	147,765	$	520,139
2020	556,890		23,975		580,865		503,344
2021	546,544		24,371		570,915		492,165
2022	533,426		23,798		557,224		477,671
2023	506,118		23,138		529,256		449,686
Thereafter	4,641,759		253,977		4,895,736		3,953,717
Total	$	6,926,363	$	355,398	$	7,281,761	$	6,396,722

⁽¹⁾ Included in rental revenue.

⁽²⁾ Balances as of December 31, 2018 are prior to the adoption of Topic 842.