Percentage of unpaid principal balance payable on initial amount.

No definition available.

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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

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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-Subparagraph (SX 210.7-03(16))
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ 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=118260190&loc=d3e13433-108611

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

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Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- References

No definition available.

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Balance Type:	na
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- 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
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- 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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Balance Type:	credit
Period Type:	instant

- 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
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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LONG-TERM DEBT (Details) - USD ($)	1 Months Ended	9 Months Ended
LONG-TERM DEBT (Details) - USD ($)	Oct. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Long-term Debt [Abstract]
Payments on long-term debt		$ 60,000,000	$ 0
Income Approach [Member] \| Level 2 [Member]
Fair Value Measurements [Abstract]
Estimated fair value of outstanding debt		1,487,826,000		$ 1,411,628,000
Senior Notes outstanding		$ 1,434,432,000		1,410,188,000
Revolving Credit Facility [Member]
Long-term Debt [Abstract]
Maximum borrowing capacity				$ 850,000,000
Credit facility, expiration date		Mar. 27, 2024
Commitment amount		$ 25,000,000
Credit facility, amount outstanding		$ 0
Revolving Credit Facility [Member] \| LIBOR [Member]
Long-term Debt [Abstract]
Basis spread on variable rate		1.125%
Revolving Credit Facility [Member] \| Alternate Base Rate [Member]
Long-term Debt [Abstract]
Basis spread on variable rate		0.125%
Letter of Credit [Member]
Long-term Debt [Abstract]
Credit facility, amount outstanding		$ 5,258,000
Term Loan [Member]
Long-term Debt [Abstract]
Maximum borrowing capacity		$ 500,000,000
Term of loan		5 years
Debt instrument, frequency of periodic payment		quarterly
Percentage of unpaid balance payable on initial amount		65.00%
Payments on long-term debt		$ 60,000,000
Credit facility, amount outstanding		$ 440,000,000
Term Loan [Member] \| Subsequent Event [Member]
Long-term Debt [Abstract]
Payments on long-term debt	$ 55,000,000