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v3.23.1

Debt - Narrative (Details) shares in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Aug. 31, 2020 USD ($) | Mar. 31, 2023 USD ($) shares | Apr. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Outstanding letters of credit |  |  | $ 24,000,000 |  | $ 21,800,000
Revolving Credit Facility | 2017 Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 1.00% |  |  |  |
Revolving Credit Facility | 2017 Credit Facility | Base Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Commitment fee percentage | 1.25% |  |  |  |
Revolving Credit Facility | 2017 Credit Facility | Base Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Commitment fee percentage | 1.75% |  |  |  |
Revolving Credit Facility | 2017 Credit Facility | Federal Funds Effective Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 0.50% |  |  |  |
Revolving Credit Facility | 2017 Credit Facility | CDOR Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 1.00% |  |  |  |
Revolving Credit Facility | Credit Facility Unused Portion Greater Than 50% |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unused capacity commitment fee percentage | 0.375% |  |  |  |
Revolving Credit Facility | Credit Facility Unused Portion Less Than Or Equal To 50% |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Commitment fee percentage | 0.50% |  |  |  |
2025 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Face amount |  | $ 315,500,000 |  |  |
Debt conversion, interest rate of debt |  | 9.00% |  |  |
Debt conversion, percent payable in cash |  | 6.25% |  |  |
Debt conversion, percent payable in cash or additional notes (as percent) |  | 2.75% | 48.00% |  |
Debt instrument, mandatorily convertible, face amount |  |  | $ 122,800,000 |  |
Debt conversion shares amount (in shares) | shares |  |  | 4.5 |  |
Conversion ratio |  | 0.037037 |  |  |
2021 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt conversion, interest rate of debt |  | 6.25% |  |  |
Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, carrying value |  |  | $ 25,000,000 |  |
Line of credit facility, remaining borrowing capacity |  |  | 129,300,000 |  |
Percentage of borrowing base | 50.00% |  |  |  |
Credit Facility | 2017 Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  | 178,300,000 |  |
Debt instrument, carrying value |  |  | $ 25,000,000 |  |
Credit Facility | 12.5% of Borrowing Base |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 22,400,000 |  |  |  |
Percentage of borrowing base | 12.50% |  |  |  |
Credit Facility | 12.5% of Borrowing Base | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fixed charge coverage ratio | 1.00 |  |  |  |
Fixed charge coverage ratio consecutive days threshold | 60 days |  |  |  |
Credit Facility | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 179,000,000 |  |  |  |
Weighted average interest rate |  |  | 7.96% |  |
Deferred loan costs | $ 1,600,000 |  |  |  |
Credit Facility | Revolving Credit Facility | LIBOR Floor |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 0.00% |  |  |  |
Credit Facility | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 2.25% |  |  |  |
Credit Facility | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 2.75% |  |  |  |
Credit Facility | Revolving Credit Facility | Base Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 1.25% |  |  |  |
Credit Facility | Revolving Credit Facility | Base Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 1.75% |  |  |  |
Credit Facility | Revolving Credit Facility | CDOR Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 2.25% |  |  |  |
Credit Facility | Revolving Credit Facility | CDOR Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate | 2.75% |  |  |  |
Credit Facility | Revolving Credit Facility | 80% of Borrowing Base |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  | $ 125,000,000 |  |
Current borrowing capacity quarterly reduction | $ 500,000 |  |  |  |
Borrowing base percentage | 80.00% |  |  |  |
Credit Facility | Revolving Credit Facility | Canadian Subsidiaries |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 20,000,000 |  |  |  |
Credit Facility | Letter of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 45,000,000 |  |  |  |
Credit Facility | Letter of Credit | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 70,000,000 |
Credit Facility | Letter of Credit | 2017 Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit outstanding |  |  | $ 24,000,000 |  |
Credit Facility | Letter of Credit | Canadian Subsidiaries |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 3,000,000 |  |  |  |

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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
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- Definition The rate of interest that was being paid on the original debt issue that is being converted in the noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21521-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21506-112644 Reference 4: 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)(5)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
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- 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. + 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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: 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 https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: 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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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