Debt Instrument, Covenant, Interest Coverage Ratio, Minimum

No definition available.

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- Definition

Debt Instrument, Secured Debt, Percentage Of OIl And Gas Properties

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Accordian Feature, Increase Limit

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of credit facility amended maximum borrowing capacity.

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Covenant, Cash And Cash Equivalent Limit

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of credit facility amended maximum borrowing capacity.

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Maximum Facility Amount

+ References

No definition available.

+ Details

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- Definition

Line of credit additional interest rate.

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Covenant, Debt to EBITDA Ratio

+ References

No definition available.

+ Details

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- Definition

Repay deficit in agreement period.

+ References

No definition available.

+ Details

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- Definition

Unamortized deferred finance costs.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

- 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
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+ 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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Balance Type:	na
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- Definition

Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

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Balance Type:	debit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ 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

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the noncurrent portion 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.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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Debt Credit Agreements (Details Textual) (Details) - USD ($)		2 Months Ended	12 Months Ended
	Dec. 19, 2018	Feb. 23, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Oct. 30, 2020	Mar. 01, 2020	Feb. 29, 2020	Oct. 31, 2019
Debt Instrument [Line Items]
Secured debt, percentage of mortgages used as security			80.00%
Repay deficit in agreement, period			6 months
Deferred loan costs			$ 1,700,000
Borrowings under Credit Agreement			440,000,000.0	$ 255,000,000
Outstanding letters of credit			45,800,000
Repayment of borrowings			$ 35,000,000	$ 35,000,000	$ 370,000,000
Third Amended Credit Agreement
Debt Instrument [Line Items]
Effective interest rate			1.90%
EBITDA ratio, debt outstanding, cash and cash equivalents limit			$ 50,000,000
Debt to EBITDA ratio covenant			4.00
Third Amended Credit Agreement \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage			0.375%
Third Amended Credit Agreement \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage			0.50%
San Mateo Credit Facility
Debt Instrument [Line Items]
Effective interest rate			2.15%
Eurodollar \| Third Amended Credit Agreement \| Minimum
Debt Instrument [Line Items]
Additional interest rate			1.25%
Eurodollar \| Third Amended Credit Agreement \| Maximum
Debt Instrument [Line Items]
Additional interest rate			2.25%
Federal Funds Effective Rate \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Base Rate Loan \| Third Amended Credit Agreement \| Maximum
Debt Instrument [Line Items]
Additional interest rate			1.25%
Unsecured Debt \| SBA Loan, CARES Act [Member]
Debt Instrument [Line Items]
Long-term debt			$ 7,500,000
Revolving Credit Facility
Debt Instrument [Line Items]
Senior secured revolving credit maximum facility						$ 700,000,000.0
Revolving Credit Facility \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Senior secured revolving credit maximum facility							$ 700,000,000.0	$ 500,000,000.0
Increase in borrowing capacity						900,000,000.0		900,000,000.0
Line of credit, maximum facility amount								$ 1,500,000,000
Maximum borrowing capacity, amended						$ 1,500,000,000
Line of Credit \| San Mateo Credit Facility
Debt Instrument [Line Items]
Senior secured revolving credit maximum facility	$ 250,000,000.0								$ 375,000,000.0
Outstanding letters of credit			9,000,000.0
Accordian feature, increase limit	$ 400,000,000.0
Deferred loan costs			2,100,000
Long-term line of credit			$ 334,000,000.0
Line of Credit \| San Mateo Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.30%
Line of Credit \| San Mateo Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.50%
Libor Rate \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Base Rate Loan \| Minimum
Debt Instrument [Line Items]
Additional interest rate			0.25%
Subsequent Event
Debt Instrument [Line Items]
Repayments of borrowings		$ 10,000,000.0
Subsequent Event \| Line of Credit \| San Mateo Credit Facility
Debt Instrument [Line Items]
Repayment of borrowings		$ 11,000,000.0
Federal Funds Effective Rate \| Line of Credit \| San Mateo Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Adjusted LIBO Rate \| Line of Credit \| San Mateo Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Adjusted LIBO Rate \| Line of Credit \| San Mateo Credit Facility \| Minimum
Debt Instrument [Line Items]
Additional interest rate	0.50%
Adjusted LIBO Rate \| Line of Credit \| San Mateo Credit Facility \| Maximum
Debt Instrument [Line Items]
Additional interest rate	1.50%
Statutory Reserve Rate \| Line of Credit \| San Mateo Credit Facility \| Minimum
Debt Instrument [Line Items]
Additional interest rate	1.50%
Statutory Reserve Rate \| Line of Credit \| San Mateo Credit Facility \| Maximum
Debt Instrument [Line Items]
Additional interest rate	2.50%
The Bank Of Nova Scotia \| San Mateo Credit Facility
Debt Instrument [Line Items]
Debt to EBITDA ratio covenant	5.00
Interest coverage ratio	2.50