Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of Components of Lease Revenue

The components of rental revenues are as follows:

	Year Ended December 31,
	2020		2019		2018
Fixed lease payments	$	459,958	$	607,259	$	684,634
Variable lease payments		94,106		129,619		144,479
Total rental revenues	$	554,064	$	736,878	$	829,113

Schedule of Undiscounted Future Lease Payments to be Received

The undiscounted future fixed lease payments to be received under the Company's operating leases as of December 31, 2020, are as follows:

Years Ending December 31,	Operating Leases
2021	$	401,573
2022		344,777
2023		288,775
2024		232,399
2025		175,956
Thereafter		412,502
Total undiscounted lease payments	$	1,855,982

Schedule of Right-of-Use Asset and Lease Liability Activity

A summary of the Company's ROU asset and lease liability activity during the year ended December 31, 2020 and 2019 is presented below:

	ROU Asset			Lease Liability
Balance as of January 1, 2019	$	4,160		$	4,074
Cash reduction		(557	)		(557	)
Noncash decrease		201			320
Balance as of January 1, 2020		3,804			3,837
Cash reduction		(373	)		(373	)
Noncash decrease		(128	)		(134	)
Balance as of December 31, 2020	$	3,303		$	3,330

Schedule of Lease Expense

The components of lease expense are presented below:

	Year Ended December 31, 2020		Year Ended December 31, 2019
Lease expense:
Operating lease expense	$	462	$	547
Variable lease expense		223		348
Total lease expense	$	685	$	895

Schedule of Undiscounted Future Lease Payments under Operating Leases

The undiscounted future lease payments to be paid under the Company's operating leases as of December 31, 2020, are as follows:

Year Ending December 31,	Operating Leases
2021	$	379
2022		299
2023		284
2024		264
2025		269
Thereafter		11,747
Total undiscounted lease payments		13,242
Less imputed interest		(9,912	)
Lease liability	$	3,330