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Note 9 - Interest Rate Swaps (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Derivative Instruments [Table Text Block] |
|  | Entry |  | Effective |  | Maturity |  | Notional |  | Settlement |  | Settlement |  | Fixed
|  | Date |  | Date |  | Date(1) |  | Amount |  | Type |  | Frequency |  | Base Rate
Swap A |  | 3/7/2019 |  | 3/11/2019 |  | 3/11/2029 |  | $ | 850,000 |  | Receive one-month LIBOR, pay fixed |  | Monthly |  | 2.65%
Swap B |  | 3/6/2019 |  | 6/15/2020 |  | 2/28/2029 |  |  | 350,000 |  | Receive one-month LIBOR, pay fixed |  | Monthly |  | 2.74%
Total |  | $ | 1,200,000 |  |  |  |  |  |
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] |
|  | September 30, 2021 |  |  | December 31, 2020 |
Liabilities: |  |  |  |  |  |  |  |
Current portion: |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities |  | $ | 30,596 |  |  | $ | 30,646 |
Noncurrent portion: |  |  |  |  |  |  |  |
Interest rate swap liability |  | $ | 89,970 |  |  | $ | 155,357 |
Total |  | $ | 120,566 |  |  | $ | 186,003 |
Stockholders’ Equity: |  |  |  |  |  |  |  |
Accumulated other comprehensive loss |  | $ | 91,148 |  |  | $ | 140,090 |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Interest expense |  | $ | 7,920 |  |  | $ | 7,702 |  |  | $ | 23,371 |  |  | $ | 14,750 |
Unrealized (gain) loss on cash flow hedges, gross |  | $ | (12,867 | ) |  | $ | (7,610 | ) |  | $ | (65,436 | ) |  | $ | 117,262 |
Less: Tax effect |  |  | 3,364 |  |  |  | 1,806 |  |  |  | 16,494 |  |  |  | (28,975 | )
Unrealized (gain) loss on cash flow hedges, net of tax |  | $ | (9,503 | ) |  | $ | (5,804 | ) |  | $ | (48,942 | ) |  | $ | 88,287 |

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- Definition Tabular disclosure for cash flow hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=125515794&loc=d3e41620-113959 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=125515794&loc=d3e41638-113959 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=125515794&loc=d3e41641-113959 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579240-113959 + Details
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