v3.20.2

DEBT GoZone Bonds Table (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
GoZone Bonds Due June 2038
Debt Instrument [Line Items]
Debt instrument, issuance date	Jun. 26, 2008
Long-term debt	$ 55,440
Long-term debt, rate	6.10%
Debt instrument, maturity date	Jun. 01, 2038
GoZone Bonds Due July 2040
Debt Instrument [Line Items]
Debt instrument, issuance date	Jul. 15, 2010
Long-term debt	$ 100,000
Long-term debt, rate	6.35%
Debt instrument, maturity date	Jul. 01, 2040
GoZone Bonds Due October 2040
Debt Instrument [Line Items]
Debt instrument, issuance date	Oct. 07, 2010
Long-term debt	$ 43,300
Long-term debt, rate	6.35%
Debt instrument, maturity date	Oct. 01, 2040
GoZone Bonds Due December 2040
Debt Instrument [Line Items]
Debt instrument, issuance date	Dec. 29, 2010
Long-term debt	$ 48,400
Long-term debt, rate	6.10%
Debt instrument, maturity date	Dec. 01, 2040
GoZone Bonds Due August 2041
Debt Instrument [Line Items]
Debt instrument, issuance date	Aug. 09, 2011
Long-term debt	$ 75,000
Long-term debt, rate	5.85%
Debt instrument, maturity date	Aug. 01, 2041
GoZone Bonds [Member]
Debt Instrument [Line Items]
Long-term debt	$ 322,140	$ 365,400

X

- 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
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-Section 50
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-Subparagraph (b)(1)
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X

- 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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-Topic 210
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-Section S99
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X

- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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