Leases - Tenant Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases
Percentage of portfolio leased			99.50%
Weighted average remaining lease term	9 years 8 months 12 days		9 years 8 months 12 days
Annualized base rent derived from tenants (as a percent)			67.70%
Option to extend lease			true
Lease, practical expedients			true
Lease Income
Total lease payments	$ 84,842	$ 60,288	$ 165,042	$ 118,384
Less: Operating cost reimbursements and percentage rents	8,569	6,192	17,544	13,085
Total non-variable lease payments	76,273	$ 54,096	147,498	$ 105,299
Future non-variable lease payments
2021 (remaining)	154,195		154,195
2022	308,793		308,793
2023	303,815		303,815
2024	293,450		293,450
2025	283,326		283,326
Thereafter	1,744,997		1,744,997
Lease payments receivable	$ 3,088,576		$ 3,088,576