Share-based payments	6 Months Ended
Share-based payments	Jun. 30, 2013
Share-Based Payments [Abstract]
Share-based Payments	Share-based payments During the six months ended June 30, 2013, we granted 16,355 shares of stock pursuant to our 2013 Director Equity Plan with weighted average grant date fair value per share of $18.47. Of these shares, 4,265 were issued in connection with our directors' service on the board from January 24, 2013 to our 2013 annual meeting of stockholders and the remaining 12,090 are expected to be issued for their service from the 2013 annual meeting to the 2014 annual meeting of stockholders. As of June 30, 2013, we had an aggregate of $0.2 million of total unrecognized stock-based compensation costs which will be recognized over a weighted average remaining estimated term of 0.92 years.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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-Name Statement of Financial Accounting Standard (FAS)

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-Name Statement of Position (SOP)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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