v3.19.3.a.u2

Summary of Significant Accounting Policies - Summary of Right-of-Use Assets And Lease Liabilities Associated With Ground Leases Included In Consolidated Balance Sheets (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Lessor Lease Description [Line Items]
Lease liabilities	$ 1,209
Prepaid Expenses And Other Assets
Lessor Lease Description [Line Items]
Right-of-use assets	1,614
Accounts Payable And Other Liabilities
Lessor Lease Description [Line Items]
Lease liabilities	$ 1,209

X

- 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.

+ Details

Name:	us-gaap_LessorLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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Period Type:	instant

X

- Details

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Balance Type:
Period Type:

X

- Details

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Balance Type:
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