Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases, Operating [Abstract]

Schedule of Future Minimum Rents Expected to be Received

The following table presents future minimum rents expected to be received under long-term non-cancelable tenant leases, as well as those leases that are subject to long-term agreements governing rent payments and increases:

(amounts in thousands)	As of December 31, 2020
2021	$	133,385
2022	136,225
2023	92,816
2024	43,512
2025	21,915
Thereafter	74,196
Total	$	502,049

Schedule of Quantitative Disclosures for Lessees

The following table presents the operating lease payments for the year ended December 31, 2020, 2019 and 2018:

	Years Ended December 31,
(amounts in thousands)	2020		2019		2018
Fixed lease cost:
Ground leases	$	5,912	$	5,727	$	5,537
Office and other leases	3,243		2,869		2,114
Variable lease cost:
Ground leases	652		639		599
Office and other leases	111		72		39
Total lease cost	$	9,918	$	9,307	$	8,289

Summary of Minimum Future Operating Lease Payments

The following table summarizes our minimum future rental payments, excluding variable costs, which are discounted by our incremental borrowing rate to calculate the lease liability for our operating leases as of December 31, 2020:

(amounts in thousands)	Ground Leases		Office and Other Leases		Total
2021	$	1,960	$	3,209	$	5,169
2022 (a)	1,490		1,531		3,021
2023	545		1,240		1,785
2024	545		897		1,442
2025	545		766		1,311
Thereafter	4,493		2,125		6,618
Total undiscounted rental payments	9,578		9,768		19,346
Less imputed interest	(2,044)		(908)		(2,952)
Total lease liabilities	$	7,534	$	8,860	$	16,394

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(a)The leases of our four Westwinds Properties expire on August 31, 2022 and do not contain extension options. See Note 16. Commitments and Contingencies for more details on the Westwinds leases.