Related Party Transactions and Arrangements (Narrative) (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Common stock, shares outstanding (in shares)	92,398,190	92,356,664
Limited partner units (in units)	90	90
Tax Depreciation Deduction \| Advisor
Related Party Transaction [Line Items]
Excess depreciation deductions maximum	$ 10,000,000.0
American Realty Capital Healthcare II Special Limited Partnership, LLC \| Special Limited Partner
Related Party Transaction [Line Items]
Common stock, shares outstanding (in shares)	8,888	8,888

Related Party Transaction, Special Allocation for Tax Purposes, Excess Depreciation Deductions Maximum

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The number of limited partner units outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

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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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