Summary of Significant Accounting Policies - Composition of Underlying Assets Comprising Company's Deferred Compensation Plans Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	$ 404,019	$ 494,991
Quoted Prices in Active Markets for Identical Assets (Level 1)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	404,019	494,991
Significant Other Observable Inputs (Level 2)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Significant Unobservable Inputs (Level 3)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Money market funds
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	78,932	66,700
Money market funds \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	78,932	66,700
Money market funds \| Significant Other Observable Inputs (Level 2)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Money market funds \| Significant Unobservable Inputs (Level 3)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - bond
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	28,043	30,750
Mutual funds - bond \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	28,043	30,750
Mutual funds - bond \| Significant Other Observable Inputs (Level 2)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - bond \| Significant Unobservable Inputs (Level 3)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - stock
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	224,076	303,277
Mutual funds - stock \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	224,076	303,277
Mutual funds - stock \| Significant Other Observable Inputs (Level 2)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - stock \| Significant Unobservable Inputs (Level 3)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - blend
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	72,968	94,264
Mutual funds - blend \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	72,968	94,264
Mutual funds - blend \| Significant Other Observable Inputs (Level 2)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	0	0
Mutual funds - blend \| Significant Unobservable Inputs (Level 3)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employee deferred compensation trust assets	$ 0	$ 0

Summary of Significant Accounting Policies - Composition of Underlying Assets Comprising Company's Deferred Compensation Plans Assets (Details) - USD ($)
$ in Thousands