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Stock Options and Stock-Based Compensation Shares of Restricted Stock Granted under 2010 Plan (Details) (Plan 2010 [Member], Restricted Stock [Member])	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	46,841
Remaining Term (In Years)	2 years 8 months 12 days
Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)		4 years	4 years
Shares		2,704	1,500
Remaining Term (In Years)		2 years 4 months 24 days	1 year 3 months 18 days
Five Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	5 years	5 years	5 years
Shares	9,699	7,996	5,500
Remaining Term (In Years)	4 years 4 months 24 days	3 years 4 months 24 days	2 years 3 months 18 days
Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	3 years	3 years
Shares	8,886	2,027
Remaining Term (In Years)	2 years 4 months 24 days	1 year 4 months 24 days
Two Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	2 years
Shares	8,529
Remaining Term (In Years)	1 year 4 months 24 days

X

- Definition

Description of the remaining period of time over 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, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

No definition available.

+ Details

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X

- Definition

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.

+ 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)(1)

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

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X

- 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



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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