CREDIT FACILITIES AND LONG-TERM DEBT (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Sep. 30, 2020	Dec. 31, 2018
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 2,980,000	$ 2,905,000
Outstanding Amount	1,073,695	108,611	$ 978,951
Fully committed borrowing capacity	2,710,000	1,458,000
Revolving Facility 2016-1
Line of Credit Facility [Line Items]
Borrowing Capacity	39,346
Outstanding Amount	$ 39,346		$ 326,970
Weighted Average Interest Rate	6.17%		6.83%
Revolving Facility 2017-1
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 75,000
Outstanding Amount	$ 25,758		$ 36,650
Weighted Average Interest Rate	7.00%		7.00%
Revolving Facility 2017-2
Line of Credit Facility [Line Items]
Outstanding Amount			$ 184,250
Weighted Average Interest Rate			7.04%
Revolving Facility 2018-1
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 250,000	250,000
Outstanding Amount	$ 126,450	$ 962	$ 131,802
Weighted Average Interest Rate	5.62%	4.32%	6.25%
Revolving Facility 2018-2
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 750,000	$ 750,000
Outstanding Amount	$ 194,293	$ 1,373	$ 299,279
Weighted Average Interest Rate	6.00%	4.44%	4.81%
Revolving Facility 2018-3
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 200,000	$ 100,000
Outstanding Amount	$ 111,411	$ 11,558
Weighted Average Interest Rate	4.65%	4.36%
Revolving Facility 2019-1
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 300,000	$ 300,000
Outstanding Amount	$ 206,399	$ 10,909
Weighted Average Interest Rate	3.81%	3.76%
Revolving Facility 2019-2
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 1,030,000	$ 1,030,000
Outstanding Amount	$ 327,226	$ 72,808
Weighted Average Interest Rate	3.41%	3.30%
Revolving Facility 2019-3
Line of Credit Facility [Line Items]
Borrowing Capacity	$ 335,654	$ 475,000
Outstanding Amount	$ 42,812	$ 11,001
Weighted Average Interest Rate	3.02%	3.92%
Minimum
Line of Credit Facility [Line Items]
Revolving period	12 months
Maximum
Line of Credit Facility [Line Items]
Revolving period	24 months

The amount of fully committed borrowing capacity with respect to credit facilities.

No definition available.

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- 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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- Definition

Weighted average interest rate of debt outstanding.

+ 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

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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

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