Discontinued Operations (Details) $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($)
Capital loss carryforward
Operational results of Legend presented as discontinued operations
Capital loss carryforward	$ 15.8
Legend subsidiary
Discontinued Operations
Period of Earnout Provision	2 years
Maximum earnout provision	$ 4.1
Capital loss on sale	$ 47.8

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3B
-URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721525-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760

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-Name Accounting Standards Codification
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-Section 45
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The amount of the tax credit 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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