Debt instrument after commission.

No definition available.

Name:	rrc_DebtInstrumentAfterCommission
Namespace Prefix:	rrc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt instrument maturity year.

+ References

No definition available.

+ Details

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Namespace Prefix:	rrc_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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-Publisher FASB
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-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount (premium).

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

- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

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+ Details

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of collateralized/uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Subordinated debt places a lender in a lien position behind the primary lender of the company.

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- Details

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- Details

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- Details

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- Details

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Indebtedness - New Senior Notes - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended
	Sep. 30, 2020	Jan. 31, 2020	Sep. 30, 2020	Aug. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Senior notes	$ 2,376,438		$ 2,376,438				$ 2,675,763
Senior subordinated notes	37,338		37,338				$ 48,980
9.25% Senior Notes Due 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 300,000	$ 550,000	$ 300,000
Interest rate on notes	9.25%	9.25%	9.25%				0.00%
Debt instrument maturity year		2026
Net proceeds after underwriting expenses	$ 295,000	$ 541,400	$ 295,000
Net proceeds after commissions	$ 5,000	$ 8,600	$ 5,000
Maximum redemption price of notes as percentage of principal amount			100.00%
5.75% Senior Notes Due 2021
Debt Instrument [Line Items]
Interest rate on notes	5.75%	5.75%	5.75%	5.75%	5.75%		5.75%
Repayments of senior notes	$ 12,100	$ 324,100
Senior notes	$ 25,496		$ 25,496				$ 374,139
5.875% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.875%	5.875%	5.875%		5.875%	5.875%	5.875%
Repayments of senior notes	$ 65,100	$ 175,900
Senior notes	$ 48,528		$ 48,528				$ 297,617
5.75% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Interest rate on notes	5.75%		5.75%		5.75%		5.75%
Repayments of senior notes	$ 1,200
Senior subordinated notes	$ 19,896		$ 19,896				$ 22,214
5.00% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.00%		5.00%
Senior notes	$ 291,000		$ 291,000
5.00% Senior Notes Due 2023
Debt Instrument [Line Items]
Interest rate on notes	5.00%		5.00%
Senior notes	$ 122,300		$ 122,300
5.00% Senior Subordinated Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.00%		5.00%
Senior subordinated notes	$ 8,300		$ 8,300