Income Taxes Income Taxes (Valuation Allowance) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at January 1,	$ 126	$ 0	$ 75,248
Balance at December 31,	125	126	0
Additions charged to expense [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance from continuing operations	0	0	0
Additions Charged to GW/Purchase Accting [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance from continuing operations	0	126	0
Deductions - other [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance from continuing operations	$ (1)	$ 0	$ (75,248)

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

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=65882285&loc=d3e32537-109319

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of increase (decrease) 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=75116654&loc=d3e32123-109318

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