Debt Instrument, Fixed Charge Coverage Ratio

No definition available.

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- Definition

Debt Instrument, Fixed Charge Coverage Ratio, Consecutive Days Threshold

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Issuance Price of Par, Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Maximum Leverage Ratio

+ References

No definition available.

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- Definition

Debt Instrument, Minimum Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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- Definition

Percentage of Borrowing Base

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

+ Details

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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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.

+ Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

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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

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+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ 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

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt (Narrative) (Details)		9 Months Ended	12 Months Ended
Debt (Narrative) (Details)	Nov. 30, 2013 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Oct. 31, 2017 USD ($)	Oct. 30, 2017 USD ($)	Dec. 12, 2016 USD ($)	Dec. 11, 2016 USD ($)	Oct. 31, 2013 USD ($)
Debt Instrument [Line Items]
Debt instrument, carrying value			$ 518,711,000	$ 507,906,000
Amortization of deferred loan costs			1,900,000	1,700,000	$ 1,900,000
Deferred loan costs written off			0	0	$ 2,978,000
2017 Credit Facility
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage		0.375%
Revolving Credit Facility \| 2017 Credit Facility
Debt Instrument [Line Items]
Line of credit facility, accordion feature, increase limit							$ 100,000,000
Revolving Credit Facility \| 2017 Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
Revolving Credit Facility \| 2017 Credit Facility \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Revolving Credit Facility \| 2017 Credit Facility \| CDOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Debt Instrument, Redemption, Period Four \| Revolving Credit Facility \| 2017 Credit Facility
Debt Instrument [Line Items]
Commitment fee percentage		0.50%
Debt Instrument, Redemption, Period Five \| Revolving Credit Facility \| 2017 Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage		0.25%
Debt Instrument, Redemption, Period Five \| Revolving Credit Facility \| 2017 Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage		0.375%
Senior unsecured notes due October 2021
Debt Instrument [Line Items]
Debt, face amount	$ 100,000,000									$ 300,000,000
Debt instrument, stated interest rate										6.25%
Debt instrument, issuance price of par, percentage	103.25%
Proceeds from issuance of senior debt	$ 394,000,000
Debt instrument, carrying value			$ 400,000,000	400,000,000
Senior unsecured notes due October 2021 \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price percentage			101.563%
Senior unsecured notes due October 2021 \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price percentage			100.00%
Senior secured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 20,000,000
Debt instrument, carrying value			$ 119,000,000	$ 108,446,000
Percentage of borrowing base		10.00%
Senior secured revolving credit facility \| Minimum
Debt Instrument [Line Items]
Springing fixed charge coverage ratio		1
Fixed charge coverage ratio consecutive days threshold		60 days
Senior secured revolving credit facility \| 2017 Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity			299,400,000
Debt instrument, carrying value		$ 119,000,000
Senior secured revolving credit facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity							140,000,000
Maximum borrowing capacity						$ 300,000,000		$ 140,000,000	$ 600,000,000
Deferred financing costs						$ 2,400,000
Senior secured revolving credit facility \| Foreign Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity							25,000,000
Senior secured revolving credit facility \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity							30,000,000
Senior secured revolving credit facility \| Letter of Credit \| 2017 Credit Facility
Debt Instrument [Line Items]
Outstanding letters of credit			13,100,000
Remaining borrowing capacity			$ 167,300,000
Senior secured revolving credit facility \| Letter of Credit \| Canadian Subsidiaries
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 3,000,000
Senior secured revolving credit facility \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Senior secured debt to adjusted EBITDA ratio		4
Debt, weighted average interest rate (percentage)			4.08%
Senior secured revolving credit facility \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Minimum leverage ratio		0.02
Senior secured debt to adjusted EBITDA ratio		0.015
Percentage of borrowing base		50.00%
Senior secured revolving credit facility \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Minimum leverage ratio		0.0175
Senior secured debt to adjusted EBITDA ratio		0.0225