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Long-Term Debt - Senior Notes - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Nov. 15, 2019
Jan. 19, 2018
Mar. 31, 2023
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Debt Instrument [Line Items]            
Proceeds from borrowings, before offering expenses       $ 0 $ 45,000  
Gain on early debt extinguishment       $ 1,112 $ 0  
3.95% Senior Notes Due 2028            
Debt Instrument [Line Items]            
Long-term debt, aggregate principal amount   $ 525,000        
Debt payment term       We pay interest on the 2028 Notes on February 1 and August 1 of each year    
Debt maturity date Nov. 15, 2029 Feb. 01, 2028        
Debt interest rate   3.95%   3.95%   3.95%
Debt instrument redemption description       At our option, we may redeem the Senior Notes in whole or in part, at any time or from time to time at a redemption price equal to 100% of the principal amount of such Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date, plus a “make-whole” premium. Additionally, commencing on November 1, 2027, in the case of the 2028 Notes, and on August 15, 2029, in the case of the 2029 Notes, at our option, we may redeem the respective Senior Notes in whole or in part, at a redemption price equal to 100% of the principal amount of the Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date.    
Debt instrument, redemption percentage 100.00% 100.00%        
Debt instrument redemption upon the occurrence of change of control, description       Upon the occurrence of a change of control triggering event, as defined in the indentures, each holder of the Senior Notes may require us to purchase all or a portion of such holder’s Senior Notes at a price equal to 101% of their principal amount, plus accrued and unpaid interest, if any, to, but excluding, the repurchase date.    
Redemption price percentage of principal amount of debt instrument on change of control 101.00% 101.00%        
5.15% Senior Notes Due 2029            
Debt Instrument [Line Items]            
Long-term debt, aggregate principal amount $ 350,000          
Debt payment term       We pay interest on the 2029 Notes on May 15 and November 15 of each year    
Debt interest rate 5.15% 5.15%   5.15%   5.15%
Debt instrument redemption description       At our option, we may redeem the Senior Notes in whole or in part, at any time or from time to time at a redemption price equal to 100% of the principal amount of such Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date, plus a “make-whole” premium. Additionally, commencing on November 1, 2027, in the case of the 2028 Notes, and on August 15, 2029, in the case of the 2029 Notes, at our option, we may redeem the respective Senior Notes in whole or in part, at a redemption price equal to 100% of the principal amount of the Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date.    
Debt instrument, redemption percentage 100.00% 100.00%        
2028 Notes            
Debt Instrument [Line Items]            
Debt instrument, repurchase amount     $ 6,000      
Gain on early debt extinguishment     800      
2029 Notes            
Debt Instrument [Line Items]            
Debt instrument, repurchase amount     3,000      
Gain on early debt extinguishment     $ 300