The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Carryforwards

-URI http://asc.fasb.org/extlink&oid=6506874

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Expiration date of the tax credit carryforward, in CCYY-MM-DD format.

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The amount of the change to tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Income Taxes - Tax Credit Carryforward Narrative (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2011	Aug. 31, 2006
Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	$ 2,200
Tax credit carryforwards, decrease		3,017	8
Tax credit carryforward, expiration date	Jan. 01, 2026
State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	$ 2,700