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v3.21.1

Note 7 - Debt, Credit Facility and Leases (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of Long-term Debt Instruments [Table Text Block] |
|  | March 31, 2021 |
|  | Senior Notes |  |  | IQ Notes |  |  | Total |
Principal |  | $ | 475,000 |  |  | $ | 38,359 |  |  | $ | 513,359 |
Unamortized discount/premium and issuance costs |  |  | (6,234 | ) |  |  | 867 |  |  |  | (5,367 | )
Long-term debt balance |  | $ | 468,766 |  |  | $ | 39,226 |  |  | $ | 507,992 |
|  | December 31, 2020 |
|  | Senior Notes |  |  | IQ Notes |  |  | Total |
Principal |  | $ | 475,000 |  |  | $ | 37,886 |  |  | $ | 512,886 |
Unamortized discount/premium and issuance costs |  |  | (6,462 | ) |  |  | 818 |  |  |  | (5,644 | )
Long-term debt balance |  | $ | 468,538 |  |  | $ | 38,704 |  |  | $ | 507,242 |
Schedule of Maturities of Long Term Debt and Finance and Operating Lease Liabilities [Table Text Block] |
Twelve-month period ending March 31, |  | Senior Notes |  |  | IQ Notes |  |  | Finance Leases |  |  | Operating Leases |
2022 |  | $ | 34,438 |  |  | $ | 2,499 |  |  | $ | 7,329 |  |  | $ | 3,696 |
2023 |  |  | 34,438 |  |  |  | 2,499 |  |  |  | 5,132 |  |  |  | 2,706 |
2024 |  |  | 34,438 |  |  |  | 2,499 |  |  |  | 3,643 |  |  |  | 2,002 |
2025 |  |  | 34,438 |  |  |  | 2,499 |  |  |  | 2,076 |  |  |  | 549 |
2026 |  |  | 34,438 |  |  |  | 39,045 |  |  |  | — |  |  |  | 525 |
Thereafter |  |  | 539,568 |  |  |  | — |  |  |  | — |  |  |  | 2,213 |
Total |  | $ | 711,758 |  |  | $ | 49,041 |  |  | $ | 18,180 |  |  | $ | 11,691 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt and the undiscounted cash flows of finance and operating lease liability. + References No definition available. + Details
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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + 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 http://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 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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