Indebtedness - Debt Outstanding (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Senior notes	$ 1,769,017	$ 1,788,388
Unamortized debt issuance costs	(13,304)	(14,159)
Total debt net of debt issuance costs	1,755,713	1,774,229
Notes Payable to Banks
Debt Instrument [Line Items]
Bank debt	0	0
4.875% Senior Notes Due 2025 | Notes Payable to Banks
Debt Instrument [Line Items]
Senior notes	669,017	688,388
8.25% Senior Notes Due 2029 | Notes Payable to Banks
Debt Instrument [Line Items]
Senior notes	600,000	600,000
4.75% Senior Notes Due 2030 | Notes Payable to Banks
Debt Instrument [Line Items]
Senior notes	$ 500,000	$ 500,000