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Lease Accounting (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Lessor, Lease, Description [Line Items]
Fixed quarterly payments to be received under finance lease arrangement	$ 5,200
Interest rate under finance lessor arrangement	10.25%
Fair value of direct finance lease, current	$ 9,500
Onshore Facilities & Transportation
Lessor, Lease, Description [Line Items]
Fair value of direct finance lease, current	$ 114,776

X

- Definition

Lessor, Direct Financing Lease, Interest Rate

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Sales-type and Direct Financing Leases, Lease Receivable, Quarterle Payments to be Received

+ References

No definition available.

+ Details

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X

- 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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X

- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919391-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981

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