Long-term debt - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Weighted average effective interest rate at quarter end	4.69%
Weighted average effective interest rate during quarter	4.51%
Percentage of debt instruments bearing fixed interest rate	50.00%
Long Term Debt Percentage Bearing Economically Fixed Interest Rate	88.00%
Revolving line of credit
Debt Instrument [Line Items]
Secured Debt Outstanding Principal Balance Subject To SOFR	$ 765,000
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	735,000
Maximum borrowing capacity on the revolving credit facilities	1,500,000
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding	0
Bilateral Secured Letter Of Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding	154,373
Term Loan A-1
Debt Instrument [Line Items]
Secured Debt Outstanding Principal Balance Subject To SOFR	$ 323,491
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Weighted average effective interest rate at quarter end	4.88%
Debt Instrument, Unamortized Discount	$ 2,251	$ 2,487
Deferred Financing Costs	30,358	32,498
Senior Notes
Debt Instrument [Line Items]
Deferred Financing Costs	30,313	31,491
Debt Instrument, Unamortized Premium	$ 11,656	$ 12,129

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Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

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