Equity Transactions and Stock-Based Compensation Plans Schedule of Restricted Stock Activity (Details) (USD $)	6 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Jun. 30, 2013 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2012 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2012 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2012 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2012 Time-Based RSUs [Member] Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year		3 years			3 years				3 years
Granted, Number of Award Units	61,248	49,748		252,749	151,500	406,027	356,813	295,873	0	346,731	221,495
Granted, Weighted-Average Grant-Date Fair Value per Unit	$ 7.57	$ 8.04		$ 7.54	$ 7.04	$ 7.59	$ 8.21	$ 8.33	$ 0.00	$ 8.34	$ 9.85

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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