Real Estate (Rental Income) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Lease Income [Abstract]
Rental income from operating leases	$ 153,825	$ 163,674	$ 481,858	$ 482,306
Earned income from direct financing leases	161	204	487	624
Percentage rent	160	329	728	1,051
Real estate expense reimbursement from tenants	3,719	4,017	12,818	11,865
Total lease income	157,865	168,224	495,891	495,846
Rental income accrued during period	2,305	$ 429	33,022	$ 1,354
Rental income accrued during period, rent deferral lease amendments	8,499		38,938
Write off of accrued rental income	11,393		11,393
Accrued rental income	61,754		61,754		$ 28,897
Accrued rental income allowance	$ 7,978		$ 7,978		$ 1,842

Accrued Rental Income, Credit Loss Expense (Reversal)

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- Definition

The valuation allowance as of the balance sheet date to reduce the gross amount of accrued rent receivable to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

+ References

No definition available.

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- Definition

Lease Income, Accrued During Period

+ References

No definition available.

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- Definition

Lease Income, Accrued During Period, Rent Deferral Lease Amendments

+ References

No definition available.

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- Definition

Operating Lease Income Statement, Real Estate Expense Reimbursement From Tenants

+ References

No definition available.

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

+ References

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- Definition

Amount of lease income from variable lease payments, interest income on direct financing lease and after offset of loss recognized at commencement.

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- Definition

Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

+ References

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- Definition

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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- Definition

Amount of variable lease payments from operating, direct financing, and sales-type leases, excluding amount included in measurement of lease receivable.

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