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Face (par) amount of debt instrument at time of issuance.

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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.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt and Financing Arrangements (Details) - USD ($)	3 Months Ended
Debt and Financing Arrangements (Details) - USD ($)	Mar. 31, 2018	Mar. 31, 2019	Oct. 15, 2018
Debt Instrument [Line Items]
Interest expense	$ 500,000
Revolving Facility
Debt Instrument [Line Items]
Principal amount			$ 150,000,000
Long-term debt		$ 0
Credit Agreement
Debt Instrument [Line Items]
Additional borrowings available			100,000,000
Swing Loans
Debt Instrument [Line Items]
Additional borrowings available			20,000,000
Letter of Credit
Debt Instrument [Line Items]
Additional borrowings available			$ 20,000,000