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Equity Incentive Plan (Details) (USD $) | 6 Months Ended | 12 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 0 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  | 0 Months Ended |  |  |  |  |  |
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Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2013 Equity Incentive Plan 2011 | Aug. 31, 2011 Equity Incentive Plan 2011 | Jun. 30, 2013 Equity Incentive Plan 2013 | Mar. 21, 2013 Equity Incentive Plan 2013 | May 03, 2013 CEO | Mar. 21, 2013 Former Director | Jun. 27, 2013 Former Director | Sep. 30, 2013 Certain Directors, Officers and employees | Jan. 17, 2012 Certain Directors, Officers and employees | Mar. 21, 2013 Certain Directors, Officers and employees | Apr. 20, 2013 Certain Directors, Officers and employees | Mar. 21, 2014 Certain Directors, Officers and employees | Mar. 30, 2012 Certain Directors, Officers and employees | Feb. 07, 2011 CEO | May 03, 2016 CEO | May 03, 2015 CEO | May 03, 2014 CEO | Feb. 07, 2014 CEO | Feb. 07, 2013 CEO | Feb. 07, 2012 CEO
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total shares authorized |  |  |  | 133,333 |  | 240,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of each share |  |  |  |  |  |  |  | $ 6.46 |  |  | $ 13.5 |  |  |  |  |  |  |  |  |  |  |
Shares issued under share based compensation |  |  |  |  |  |  |  |  | 12,000 | 239,333 |  |  | 90,667 |  |  |  |  |  |  |  |  |
Number of restricted shares granted during the period | 279,333 | 90,667 | 133,333 |  | 237,907 |  | 28,000 | 12,000 |  |  | 90,667 | 239,333 |  |  |  | 28,000 |  |  |  |  |  |
Number of shares vested during the period |  |  | 122,573 |  | 0 |  |  | 12,000 |  |  |  |  |  | 239,333 | 90,667 |  | 9,334 | 9,333 | 9,333 | 9,334 | 9,333 | 9,333

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- Definition The number of equity-based payment instruments that has vested during the reporting period. + References No definition available. + Details
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- Definition The fair value of awards on equity-based plans for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References No definition available. + Details
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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 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. + Details
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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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -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. Reference 2: 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 + Details
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- Definition Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + Details
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