Debt - CMBS - Narrative (Details) $ in Thousands	Mar. 31, 2020 USD ($) Property loan	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 16,693	$ 17,549
Weighted Average
Debt Instrument [Line Items]
Stated interest rate	3.59%
CMBS
Debt Instrument [Line Items]
Number of loans secured by mortgage on leased properties and related assets \| loan	5
Number of properties securing borrowings \| Property	88
Unamortized deferred financing costs	$ 2,400	2,600
Unamortized net offering premium	$ 300	$ 300
CMBS \| Weighted Average
Debt Instrument [Line Items]
Stated interest rate	5.47%
CMBS \| Minimum
Debt Instrument [Line Items]
Stated interest rate	5.23%
CMBS \| Maximum
Debt Instrument [Line Items]
Stated interest rate	6.00%

Debt instrument number of loans secured by leased properties.

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- Definition

Debt Instrument, Number of Properties Securing Borrowings

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt premium.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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