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Leases - Tenant Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases
Percentage of portfolio leased			99.60%
Weighted average remaining lease term	9 years 6 months		9 years 6 months
Annualized base rent derived from tenants (as a percent)			66.90%
Option to extend lease			true
Lease, practical expedients			true
Lease Income
Total lease payments	$ 91,205	$ 65,762	$ 256,246	$ 184,144
Less: Operating cost reimbursements and percentage rents	9,546	6,897	27,090	19,981
Total non-variable lease payments	81,659	$ 58,865	229,156	$ 164,163
Future non-variable lease payments
2021 (remaining)	85,101		85,101
2022	338,867		338,867
2023	332,914		332,914
2024	321,677		321,677
2025	310,144		310,144
Thereafter	1,936,234		1,936,234
Lease payments receivable	$ 3,324,937		$ 3,324,937

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- Definition

Amount of lease payment to be received by lessor for operating lease in fifth fiscal year and after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Represents the percentage of annualized base rent derived from tenants.

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- Definition

Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 10
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Indicates (true false) whether lessor has option to extend operating lease.

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Amount of lease payments to be received by lessor for operating lease.

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Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.

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Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable.

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