Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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Reference 2: 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=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: 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=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ 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

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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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Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ 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 210.5-02.17)
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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($)	1 Months Ended	12 Months Ended
LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($)	Oct. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Interest at 4.35% (matures May 2031)
Debt Instrument [Line Items]
Long-term debt, gross		$ 3,000,000	$ 0
Interest at 4.49% (matures May 2031)
Debt Instrument [Line Items]
Long-term debt, gross		3,000,000	0
Interest at 4.60% (matures May 2031)
Debt Instrument [Line Items]
Long-term debt, gross		3,800,000	0
Partnership
Debt Instrument [Line Items]
Long-term debt, gross		97,009,000	94,537,000
Less unamortized debt issuance costs		(470,000)	(481,000)
Less current portion		(133,000)	(128,000)
Long-term debt, less unamortized debt issuance costs and current portion - Partnership		96,406,000	93,928,000
Partnership \| Line of Credit \| Interest at 6.40% (refinanced April 2019)
Debt Instrument [Line Items]
Long-term debt, gross		$ 0	9,800,000
Fixed interest rate		6.40%
Partnership \| Line of Credit \| Interest at LIBOR plus 1.60% (3.30% at December 31, 2019) (matures October 2024)
Debt Instrument [Line Items]
Long-term debt, gross		$ 6,000,000	6,000,000
Effective interest rate		3.30%
Partnership \| Line of Credit \| Interest at LIBOR plus 1.60% (3.30% at December 31, 2019) (matures October 2024) \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.60%
Partnership \| Line of Credit \| Interest at 6.05% (matures July 2025)
Debt Instrument [Line Items]
Long-term debt, gross		$ 10,000,000	10,000,000
Fixed interest rate		6.05%
Partnership \| Line of Credit \| Interest at 3.89% (matures July 2026)
Debt Instrument [Line Items]
Long-term debt, gross		$ 11,000,000	11,000,000
Fixed interest rate		3.89%
Partnership \| Line of Credit \| Interest at 4.13% (matures July 2028)
Debt Instrument [Line Items]
Long-term debt, gross		$ 11,000,000	11,000,000
Fixed interest rate		4.13%
Partnership \| Line of Credit \| Interest at 5.34% (matures October 2034)
Debt Instrument [Line Items]
Long-term debt, gross		$ 8,000,000	8,000,000
Fixed interest rate		5.34%
Partnership \| Line of Credit \| Interest at 5.34% (matures October 2035)
Debt Instrument [Line Items]
Long-term debt, gross		$ 8,000,000	8,000,000
Fixed interest rate		5.34%
Partnership \| Line of Credit \| Interest at 5.42% (matures October 2036)
Debt Instrument [Line Items]
Long-term debt, gross		$ 8,000,000	8,000,000
Fixed interest rate		5.42%
Partnership \| Line of Credit \| Interest at 4.35% (matures May 2031)
Debt Instrument [Line Items]
Fixed interest rate		4.35%
Partnership \| Line of Credit \| Interest at 4.49% (matures May 2031)
Debt Instrument [Line Items]
Fixed interest rate		4.49%
Partnership \| Line of Credit \| Interest at 4.60% (matures May 2031)
Debt Instrument [Line Items]
Fixed interest rate		4.60%
Partnership \| Mortgages payable \| Interest at 3.80% with monthly principal and interest payments, (matures January 2023)
Debt Instrument [Line Items]
Long-term debt, gross		$ 2,209,000	2,337,000
Stated interest rate		3.80%
Revolving Credit Facility \| Partnership \| Line of Credit \| $30.0 million revolving line of credit with Northwest Farm Credit Services (NWFCS), variable interest based on LIBOR plus margin of 1.60% (3.30% at December 31, 2019) with quarterly interest-only payments and collateralized by timberlands (matures October 2023)
Debt Instrument [Line Items]
Long-term debt, gross		$ 16,000,000	16,400,000
Maximum borrowing capacity		$ 30,000,000
Effective interest rate		3.30%
Revolving Credit Facility \| Partnership \| Line of Credit \| $30.0 million revolving line of credit with Northwest Farm Credit Services (NWFCS), variable interest based on LIBOR plus margin of 1.60% (3.30% at December 31, 2019) with quarterly interest-only payments and collateralized by timberlands (matures October 2023) \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.60%
Delayed-Draw Facility \| Partnership \| Line of Credit \| Credit Agreement
Debt Instrument [Line Items]
Long-term debt, gross		$ 7,000,000	4,000,000
Maximum borrowing capacity	$ 40,000,000
Effective interest rate		3.30%
Delayed-Draw Facility \| Partnership \| Line of Credit \| Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.60%
Funds
Debt Instrument [Line Items]
Long-term debt, gross		$ 57,380,000	57,380,000
Less unamortized debt issuance costs		(45,000)	(67,000)
Less current portion		(24,990,000)	0
Long-term debt, less unamortized debt issuance costs and current portion - Partnership		32,345,000	57,313,000
Funds \| Fund II \| Mortgages payable \| Interest at 4.85%
Debt Instrument [Line Items]
Long-term debt, gross		$ 11,000,000	11,000,000
Stated interest rate		4.85%
Funds \| Fund II \| Mortgages payable \| Interest at 3.84%
Debt Instrument [Line Items]
Long-term debt, gross		$ 14,000,000	14,000,000
Stated interest rate		3.84%
Funds \| Fund III \| Mortgages payable \| Interest at 5.10% (matures December 2023)
Debt Instrument [Line Items]
Long-term debt, gross		$ 17,980,000	17,980,000
Stated interest rate		5.10%
Funds \| Fund III \| Mortgages payable \| Interest at 4.45% (matures October 2024)
Debt Instrument [Line Items]
Long-term debt, gross		$ 14,400,000	$ 14,400,000
Stated interest rate		4.45%