Employee Benefits - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) installment shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Healthcare benefit expense, net of employee contributions | $	$ 28,400	$ 24,100	$ 21,900
Accrued compensation | $	50,964	45,876
Administration expense related to employee contribution plan | $	$ 2,500	$ 2,200	$ 2,000
Share-based awards granted (in shares)	100,000	200,000	100,000
Vesting period (in years)	3 years
Number of equal installments | installment	3
Share-based Payment Arrangement, Tranche One
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Vesting percentage (as a percent)	33.33%
Share-based Payment Arrangement, Tranche Two
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Vesting percentage (as a percent)	33.33%
Share-based Payment Arrangement, Tranche Three
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Vesting percentage (as a percent)	33.33%
2014 Omnibus Incentive Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Common stock surrendered by employees (in shares)	44,000	25,000	45,000
Common stock shares available for issuance (in shares)	1,800,000
Common stock shares authorized (in shares)	3,000,000
Performance-Based Stock Awards
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	42,449
Liability Performance-Based Stock Awards
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	7,000
Performance Based Restricted Stock Units
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	8,000	14,000	14,000
Vesting period (in years)	1 year
Share-based Payment Arrangement, Option
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share based compensation, recognized tax benefits | $	$ 1,700	$ (300)	$ 300
Directors
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	4,000,000	6,000,000	8,000,000
Vesting period (in years)	1 year
Officer | Performance-Based Stock Awards
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	100,000
Number of equal installments | installment	2
Officer | Performance-Based Stock Awards | Share-based Payment Arrangement, Tranche One
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Vesting percentage (as a percent)	50.00%
Officer | Performance-Based Stock Awards | Share-based Payment Arrangement, Tranche Two
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Vesting percentage (as a percent)	50.00%
Certain Employees | Performance-Based Stock Awards
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	5,000	7,000	11,000
Cost of sales
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Workers' compensation expense | $	$ 17,600	$ 15,700	$ 15,400
Medical IBNR Included in Accrued Compensation
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Accrued compensation | $	$ 3,300	$ 3,100