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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Income Tax [Line Items]
Effective income tax expense (benefit) rate	18.60%	23.90%	19.40%	1618.60%
Net operating loss carryforwards	$ 87,300,000		$ 87,300,000		$ 116,400,000
Section 163(j) carryforward	$ 0		$ 0		$ 0
UNITED STATES
Income Tax [Line Items]
Statutory income tax rates			21.00%
BERMUDA
Income Tax [Line Items]
Statutory income tax rates			0.00%
IRELAND | Non Trading Income
Income Tax [Line Items]
Statutory income tax rates			25.00%
IRELAND | Capital Gain
Income Tax [Line Items]
Statutory income tax rates			33.00%
IRELAND | Trading Income
Income Tax [Line Items]
Statutory income tax rates			12.50%

X

- Definition

The foreign statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period.

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Income Tax [Line Items]

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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