DEBT - Revolving Credit Facility (Narrative) (Details)	3 Months Ended
Mar. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Borrowing capacity	$ 155,500
LIBOR
Line of Credit Facility [Line Items]
Applicable margin	2.625%
Revolving credit facility
Line of Credit Facility [Line Items]
Revolving credit facility maturity date	2022-05
Commitment fee on unused portion of the facility	0.50%
Interest rate at period end	2.86%
Unused portion under the facility	$ 275,900,000
Secured notes	22,100,000
Borrowing capacity	115,000,000.0
Revolving credit facility \| Maximum
Line of Credit Facility [Line Items]
Borrowing capacity	$ 1,100,000,000
Ratio of total net indebtedness to consolidated trailing 12-month EBITDA	5.75
Ratio of first lien net indebtedness to consolidated trailing 12-month EBITDA	3.50
Revolving credit facility \| Minimum [Member]
Line of Credit Facility [Line Items]
Ratio of consolidated trailing 12-month EBITDA to net interest expense	2.50
Revolving credit facility \| LIBOR
Line of Credit Facility [Line Items]
Applicable margin	2.75%

Line of credit facility maturity date month and year.

No definition available.

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- Definition

Ratio of consolidated trailing 12month EBITDA to net interest expense.

+ References

No definition available.

+ Details

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- Definition

Ratio of first lien net indebtedness to consolidated trailing 12 month EBITDA.

+ References

No definition available.

+ Details

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- Definition

Ratio of net indebtedness to consolidated trailing 12 month EBITDA.

+ References

No definition available.

+ Details

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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.

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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
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ 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

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

+ 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

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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