Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Percentage of ordinary taxable income to be distributed for real estate investment trust qualification	90.00%	90.00%	90.00%
Percentage of taxable income to be distributed for federal income tax assumption	100.00%
Amount of foreign income (loss) before income taxes	$ 62,100,000	$ 10,700,000	$ 18,600,000
Amount of domestic income (loss) before income taxes	6,400,000	$ (44,100,000)	$ 8,000,000.0
Valuation allowance not expected to be realized	25,600,000
Uncertain tax position liabilities and related interest or penalties	$ 0

Deferred tax assets valuation allowances expected not realized.

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- Definition

Percentage of ordinary taxable income to be distributed for REIT qualification.

+ References

No definition available.

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- Definition

Percentage of taxable income to be distributed for federal income tax exemption.

+ References

No definition available.

+ Details

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.3)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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- References

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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