Deferred Tax Liability, Additions to Tax Bad Debt Reserve, No Federal Tax Provision Made

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- Definition

Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent

+ References

No definition available.

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- Definition

Operating Loss Carryforwards, Remaining Carryforward Period

+ References

No definition available.

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 8

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 25

-Paragraph 20

-Subparagraph (b)

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318

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Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax [Line Items]
Net deferred tax assets	$ 146,433,000us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 10,215,000us-gaap_DeferredTaxAssetsLiabilitiesNet
Valuation allowance	1,300,000	148,043,000
Amount in retained earnings for additions to the tax bad debt reserve for which no federal tax provision has been made	5,000,000
Deferred tax assets related to NOL carryforwards	137,412,000	135,050,000
Increase (decrease) in valuation allowance	146,743,000	34,578,000	(15,392,000)
Granite Corp. [Member]
Income Tax [Line Items]
Deferred tax assets related to NOL carryforwards		2,900,000
Increase (decrease) in valuation allowance		(28,300,000)
Federal Tax Authority [Member]
Income Tax [Line Items]
Operating loss carryforwards	355,900,000	349,600,000
Federal Tax Authority [Member] \| Minimum [Member]
Income Tax [Line Items]
Remaining carryforward periods	15 years
Federal Tax Authority [Member] \| Maximum [Member]
Income Tax [Line Items]
Remaining carryforward periods	19 years
State Jurisdiction [Member]
Income Tax [Line Items]
Operating loss carryforwards	371,800,000	365,800,000
Increase (decrease) in valuation allowance	$ (5,300,000)
State income tax rate	6.90%
State Jurisdiction [Member] \| Minimum [Member]
Income Tax [Line Items]
Remaining carryforward periods	10 years
State Jurisdiction [Member] \| Maximum [Member]
Income Tax [Line Items]
Remaining carryforward periods	14 years
Tax Year 2014 [Member] \| State Jurisdiction [Member]
Income Tax [Line Items]
State income tax rate	6.00%
Tax Year 2015 [Member] \| State Jurisdiction [Member]
Income Tax [Line Items]
State income tax rate	5.00%