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Note 11 - Equity-Method Investment (Details) - Equity-Method Investment Recorded in Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of Equity Method Investments [Line Items]
Asset impairments to write investment down to fair value	$ 4,100		$ 8,300
NMTC Program [Member]
Schedule of Equity Method Investments [Line Items]
Asset impairments to write investment down to fair value	4,130	$ 0	8,260	$ 0
Our portion of the partnership’s operating losses	1,733	0	3,465	0
Non-cash interest expense related to the amortization of the discounted fair value of future equity contributions	183	0	394	0
Tax benefits and credits generated	$ 7,652	$ 0	$ 14,902	$ 0

X

- Definition

Represents the non-cash interest expense related to the amortization of the discounted fair value of future equity contributions.

+ References

No definition available.

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- Definition

Amount of deferred income tax expense (benefit) and income tax credits.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 20



-Section 55



-Paragraph 24



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-Section 45



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- Definition

This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 323



-SubTopic 10



-Section 35



-Paragraph 32



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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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