Health insurance expense.

No definition available.

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- Definition

Pension plans, postretirement and other employee benefits.

+ References

No definition available.

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- Definition

Number of equal installments for vesting restricted stock.

+ References

No definition available.

+ Details

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- Definition

Share-based Payment Arrangement, Expense, Tax Expense

+ References

No definition available.

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- Definition

All expenses associated with Worker's Compensation Insurance benefits incurred during the period.

+ References

No definition available.

+ Details

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- Definition

Amount of administrative expense incurred by defined contribution plan.

+ References

No definition available.

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- Definition

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

+ Details

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Employee Benefits - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) shares	Jun. 30, 2020 USD ($) shares	Jun. 30, 2021 USD ($) installment shares	Jun. 30, 2020 USD ($) shares	Dec. 31, 2020 USD ($)
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Healthcare benefit expense, net of employee contributions \| $	$ 6,800	$ 5,700	$ 14,100	$ 12,700
Accrued compensation \| $	53,415		53,415		$ 45,876
Administration expense related to employee contribution plan \| $	$ 700	$ 600	$ 1,400	$ 1,200
Share-based awards granted (in shares)	39,000	200,000	39,000	200,000
Number of shares surrendered to satisfy tax withholding obligations			43,000	25,000
Share based compensation, recognized tax benefits \| $	$ 3,000		$ 3,000
Tax shortfall \| $	$ 300		$ 300
2014 Omnibus Incentive Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Common stock shares available for issuance (in shares)	1,900,000		1,900,000
Common stock shares authorized (in shares)	3,000,000.0		3,000,000.0
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)	5,000	7,000	5,000	7,000
Directors
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)	4,000	6,000	4,000	6,000
Officer \| Performance-Based Stock Awards
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Share-based awards granted (in shares)			100,000
Officer \| Performance-Based Stock Awards \| Common Stock
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Number of equal installments for common stock \| installment			2
Cost of sales
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Workers' compensation expense \| $	$ 2,900		$ 7,100	$ 7,300
Medical IBNR Included in Accrued Compensation
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Accrued compensation \| $	$ 3,500		$ 3,500		$ 3,100