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Note 14 - Other Comprehensive Income ("OCI") | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] | 14. OTHER COMPREHENSIVE INCOME ("OCI") OCI is comprised of net income and other adjustments, including changes in the fair value of certain derivative financial instruments qualifying as cash flow hedges. The following tables summarize the change in the components of our OCI balance for the periods presented (in thousands; presented net of tax):
Details about OCI Components |  | Amount Reclassified from OCI for the years ended December 31, |  | Affected Line Item in the Statement of Operations
|  | 2016 |  |  | 2015 |  |  | 2014 |  |
(Losses) gains on cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | (16,674 | ) |  | $ | (15,313 | ) |  | $ | (3,141 | ) | Fuel expense
|  |  | 6,419 |  |  |  | 5,865 |  |  |  | 1,206 |  | Income tax expense
|  | $ | (10,255 | ) |  | $ | (9,448 | ) |  | $ | (1,935 | ) | Net of tax
Interest rate swap contracts |  | $ | (557 | ) |  | $ | (259 | ) |  | $ | - |  | Interest expense
|  |  | 215 |  |  |  | 99 |  |  |  | - |  | Income tax expense
|  | $ | (342 | ) |  | $ | (160 | ) |  | $ | - |  | Net of tax
For additional information about our cash flow hedges, refer to Note 13.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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