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Debt - Summary of Senior Unsecured Notes Issued (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Series P [Member]
Debt Instrument [Line Items]
Term	5 years
Interest Rate	4.91%	4.91%
Face Value	$ 50
Maturity Date	May 31, 2028
Series Q [Member]
Debt Instrument [Line Items]
Term	7 years
Interest Rate	4.91%	4.91%
Face Value	$ 50
Maturity Date	May 31, 2030

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