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.

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

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- Definition

Fair value as of the balance sheet date of all foreign currency derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(b),(c)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959

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Risk Management and Use of Derivative Financial Instruments - Foreign Currency Derivatives Details (Details) € in Thousands, kr in Thousands, $ in Thousands	Jun. 30, 2020 USD ($) instrument	Jun. 30, 2020 EUR (€) instrument	Jun. 30, 2020 NOK (kr) instrument
Derivative
Fair value	$ 2,163
Derivatives Designated as Hedging Instruments \| Derivatives in Cash Flow Hedging Relationships \| Foreign currency collars \| EUR
Derivative
Number of Instruments \| instrument	17	17	17
Notional Amount \| €		€ 13,902
Fair value	$ 1,305
Derivatives Designated as Hedging Instruments \| Derivatives in Cash Flow Hedging Relationships \| Foreign currency collars \| NOK
Derivative
Number of Instruments \| instrument	14	14	14
Notional Amount \| kr			kr 25,130
Fair value	$ 457
Derivatives Designated as Hedging Instruments \| Derivatives in Cash Flow Hedging Relationships \| Foreign currency forward contracts \| EUR
Derivative
Number of Instruments \| instrument	3	3	3
Notional Amount \| €		€ 1,240
Fair value	$ 368
Derivatives Designated as Hedging Instruments \| Derivatives in Net Investment Hedging \| Foreign currency collars \| NOK
Derivative
Number of Instruments \| instrument	1	1	1
Notional Amount \| kr			kr 2,500
Fair value	$ 33