Notional Value of Contract, Percent

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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- Definition

Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.

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- Definition

Amount of imputed interest necessary to reduce (reconcile) the undiscounted amount of the accrual for environmental loss contingencies to the present value.

+ References

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- Definition

Rate applied to the undiscounted amount of environmental loss contingencies to arrive at the present value recorded as of the balance sheet date.

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- Definition

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

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- Definition

Amount of cash outflow to settle environmental loss contingencies.

+ References

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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- Definition

Nominal or face amount used to calculate payments on a nonderivative instrument.

+ References

No definition available.

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Commitments and Contingencies (Textuals) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jan. 15, 2018	Dec. 31, 2017	Aug. 31, 2008
Accruals and Payable and Other Long Term Liabilities
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 6,078	$ 5,531		$ 6,057
Accrual for environmental loss contingencies, payments	569	944
Additions to accrual	1,122	$ 0
New Hartford
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	2,300
Accrual for environmental loss contingencies, payments	1,600
Accrual for payments due to customer under agreement	700
New Hartford \| Liabilities, Other Accruals and Payables
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	100
Bloomfield
Loss Contingencies [Line Items]
Environmental liability, discounted amount					$ 10,300
Undiscounted estimated remediation liability	6,503				$ 20,800
Discount rate					8.00%
Accrual for environmental loss contingencies					$ 10,300
Accrual for environmental loss contingencies, payments	14,300
Accrual for payments due to customer under agreement	2,000
Bloomfield \| Liabilities, Other Accruals and Payables
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	200
Offset Agreement [Member]
Loss Contingencies [Line Items]
Notional Amount of Nonderivative Instruments	$ 194,000
Notional Value of Contract, Percent	60.00%
Contractual Obligation			$ 324,000
Loss Contingency, Estimate of Possible Loss	$ 16,500
Employee-Related Tax Matter [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	2,500
Pension Costs [Member]
Loss Contingencies [Line Items]
Accrual for payments due to customer under agreement	$ 300