Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

Debt Instrument, Covenant Violation, Penalty Payment

+ References

No definition available.

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- Definition

Debt Instrument Default Rate Basis Spread On Variable Rate

+ References

No definition available.

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- Definition

Increase Option For Additional Commitments

+ References

No definition available.

+ Details

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Long-term Debt (Narrative) (Details) - USD ($)					1 Months Ended			12 Months Ended
Long-term Debt (Narrative) (Details) - USD ($)	Mar. 29, 2019	Apr. 04, 2017	Nov. 28, 2016	Aug. 01, 2016	May 31, 2019	Mar. 31, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jun. 05, 2015
Debt Instrument [Line Items]
Debt, maximum allowed borrowing capacity				$ 250,000,000.0
Increase option		$ 100,000,000.0									$ 100,000,000
Fees		1,900,000		200,000
Payments of debt principal								$ 0	$ 2,500,000	$ 0
Default interest rate above applicable interest rate								2.00%
Revolver
Debt Instrument [Line Items]
Debt, maximum allowed borrowing capacity		$ 400,000,000		$ 250,000,000							$ 150,000,000
Interest rate								3.89%
Debt outstanding								$ 247,000,000
Unused revolving credit facility								$ 150,200,000
Penalty payment							$ 800,000
Revolver \| LIBOR Rate \| Minimum
Debt Instrument [Line Items]
Variable interest rate spread		1.25%		1.25%
Revolver \| LIBOR Rate \| Maximum
Debt Instrument [Line Items]
Variable interest rate spread		2.25%		1.75%
Revolver \| Base Rate \| Minimum
Debt Instrument [Line Items]
Variable interest rate spread		0.25%
Revolver \| Base Rate \| Maximum
Debt Instrument [Line Items]
Variable interest rate spread		1.25%
Letter of Credit
Debt Instrument [Line Items]
Debt, maximum allowed borrowing capacity		$ 15,000,000		$ 15,000,000
Proceeds from debt									$ 2,300,000
ADP/COBRA/CHSA
Debt Instrument [Line Items]
Proceeds from long-term lines of credit			$ 169,900,000
Subsequent Event
Debt Instrument [Line Items]
Payments of debt principal	$ 60,000,000
Subsequent Event \| Revolver
Debt Instrument [Line Items]
Penalty payment					$ 100,000	$ 100,000