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Stock-Based Compensation and Awards - Employee Stock Purchase Plan (Narratives) (Details 7) - Employee Stock Purchase Plan - USD ($)	12 Months Ended
	Dec. 31, 2015	May 31, 2011
Employee Stock Purchase Plan
Maximum employee salary to purchase shares (in shares)	$ 25,000
Maximum percentage of employee eligible pay to purchase shares	10.00%
Maximum number of shares available under the Plan		1,000,000
Minimum
Employee Stock Purchase Plan
Purchase price as a percent of the fair market value	85.00%
Maximum
Employee Stock Purchase Plan
Purchase price as a percent of the fair market value	100.00%

X

- Definition

The highest amount of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

No definition available.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

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