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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Income Tax [Line Items]
Effective income tax expense (benefit) rate	18.70%	18.80%
Net operating loss carryforwards	$ 109,700,000		$ 116,400,000
Section 163(j) carryforward	$ 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.

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-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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