Accelerated Repayments on Line of Credit

No definition available.

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- Definition

Debt Instrument, Covenant, First Lien Gross Leverage Ratio, Actual

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Covenant, First Lien Gross Leverage Ratio

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Actual

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Net Leverage Ratio, Actual

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Net Leverage Ratio, Maximum

+ References

No definition available.

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- Definition

Letters Of Credit, Amount Outstanding

+ References

No definition available.

+ Details

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- Definition

Transactions Between Entities Under Common Control, Percentage of Undivided Interest

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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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

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

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

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- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt (Narrative) (Details)	3 Months Ended				12 Months Ended
Debt (Narrative) (Details)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019	Jul. 31, 2018	Nov. 30, 2017 USD ($)
Debt Instrument [Line Items]
Undivided interest (as a percent)												75.00%
Current Portion of Long-Term Debt	$ 134,812,000				$ 134,812,000	$ 22,482,000
Loss on Debt Extinguishment	773,000	$ 0	$ 1,723,000	$ 1,426,000	3,922,000	0	$ 0
Term Loan B
Debt Instrument [Line Items]
Current Portion of Long-Term Debt	110,000,000				110,000,000
Loans Payable \| Term Loan A
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 100,000,000
Principal						100,000,000
Repayment on line of credit					26,000,000
Accelerated repayment					11,000,000
Loans Payable \| Term Loan B
Debt Instrument [Line Items]
Maximum borrowing capacity												400,000,000
Principal	$ 396,000,000				$ 396,000,000	400,000,000
Senior Notes \| Senior Secured Second Lien Notes due 2025
Debt Instrument [Line Items]
Principal						$ 300,000,000						$ 300,000,000
Stated interest rate	11.00%				11.00%	11.00%					11.00%	11.00%
Debt repurchased	$ 26,000,000				$ 26,000,000
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 300,000,000
First lien gross leverage ratio, maximum	2.25				2.25
First lien gross leverage ratio, actual	1.29				1.29
Total net leverage ratio, maximum	3.25				3.25
Total net leverage ratio, actual	1.66				1.66
Fixed charge coverage ratio, minimum	1.00				1.00
Fixed charge coverage ratio	2.11				2.11
Outstanding borrowings	$ 0				$ 0	$ 0
Letters of credit outstanding	54,065,000				54,065,000	27,426,000
Borrowings and issuance of letters of credit remaining capacity	$ 245,935,000				$ 245,935,000	$ 272,574,000
Revolving Credit Facility \| Line of Credit \| Scenario, Forecast
Debt Instrument [Line Items]
First lien gross leverage ratio, maximum									1.75	2.00
Total net leverage ratio, maximum									2.75	3.00
Fixed charge coverage ratio, minimum								1.10	1.05