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Note 14 - Accumulated Other Comprehensive Income ("AOCI") - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Balance | $ 5,402,874 | $ 5,181,951
Balance at the end of the year | 5,359,546 | 5,317,357
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |
Balance | 6,335 | 6,616
Other comprehensive income before reclassifications | 503 | 2,510
Amounts reclassified from AOCI |  |
Net current-period other comprehensive income | 503 | 2,510
Balance at the end of the year | 6,838 | 9,126
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] |  |
Balance | 406 | 398
Other comprehensive income before reclassifications | 28 | 2
Amounts reclassified from AOCI |  |
Net current-period other comprehensive income | 28 | 2
Balance at the end of the year | 434 | 400
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |
Balance | (975) | (1,426)
Other comprehensive income before reclassifications | 188 | (604)
Amounts reclassified from AOCI |  |
Net current-period other comprehensive income | 188 | (604)
Balance at the end of the year | (787) | (2,030)
AOCI Attributable to Parent [Member] |  |
Balance | 5,766 | 5,588
Other comprehensive income before reclassifications | 719 | 1,908
Amounts reclassified from AOCI |  |
Net current-period other comprehensive income | 719 | 1,908
Balance at the end of the year | $ 6,485 | $ 7,496

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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 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=84228862&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 1B -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84158357&loc=d3e1436-108581 + Details
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