XML 60 R44.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Significant Accounting Policies - Composition of Underlying Assets Comprising Company's Deferred Compensation Plans Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Employee deferred compensation trust assets $ 432,734 $ 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 432,734 494,991
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 77,730 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 77,730 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 31,096 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 31,096 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 245,908 303,277
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 245,908 303,277
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 78,000 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 78,000 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