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Stockholders' Equity and Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2014
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Summary of Changes in Stockholders' Equity | A summary of changes in our stockholders’ equity is presented below (in thousands):
|  | Six Months Ended June 30, 2013 |
|  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |  |
|  |  |  |  | Additional |  |  |  |  |  | Other |  |  | Total |  |  |  |  |  |  |
|  | Common |  |  | Paid-in |  |  | Accumulated |  |  | Comprehensive |  |  | Stockholders’ |  |  | Members’ |  |  | Total |
|  | Stock |  |  | Capital |  |  | Deficit |  |  | Income |  |  | Equity |  |  | Equity |  |  | Equity |
Balance at December 31, 2012 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 149,153 |  |  | $ | 149,153 |
Net income |  |  | — |  |  |  | — |  |  |  | 2,345 |  |  |  | — |  |  |  | 2,345 |  |  |  | — |  |  |  | 2,345 |
Unrealized loss on available-for-sale-investments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (182 | ) |  |  | (182 | ) |  |  | — |  |  |  | (182 | )
Total comprehensive income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,163 |  |  |  |  |  |  |  | 2,163 |
Conversion of members’ equity into common stock |  |  | 216 |  |  |  | 153,199 |  |  |  | (4,262 | ) |  |  | — |  |  |  | 149,153 |  |  |  | (149,153 | ) |  |  | — |
Issuance of common stock, net of issuance costs |  |  | 100 |  |  |  | 155,308 |  |  |  | — |  |  |  | — |  |  |  | 155,408 |  |  |  | — |  |  |  | 155,408 |
Stock-based compensation expense |  |  | — |  |  |  | 844 |  |  |  | — |  |  |  | — |  |  |  | 844 |  |  |  | — |  |  |  | 844 |
Balance at June 30, 2013 |  | $ | 316 |  |  | $ | 309,351 |  |  | $ | (1,917 | ) |  | $ | (182 | ) |  | $ | 307,568 |  |  | $ | — |  |  | $ | 307,568 |
|  | Six Months Ended June 30, 2014 |
|  |  |  |  | Additional |  |  |  |  |  | Total |
|  | Common |  |  | Paid-in |  |  | Retained |  |  | Stockholders’ |
|  | Stock |  |  | Capital |  |  | Earnings |  |  | Equity |
Balance at December 31, 2013 |  | $ | 316 |  |  | $ | 310,878 |  |  | $ | 11,112 |  |  | $ | 322,306 |
Net income |  |  | — |  |  |  | — |  |  |  | 10,422 |  |  |  | 10,422 |
Stock-based compensation expense |  |  | — |  |  |  | 1,528 |  |  |  |  |  |  |  | 1,528 |
Minimum tax withholding paid on behalf of employees for stock awards |  |  | — |  |  |  | (303 | ) |  |  | — |  |  |  | (303 | )
Balance at June 30, 2014 |  | $ | 316 |  |  | $ | 312,103 |  |  | $ | 21,534 |  |  | $ | 333,953 |
Summary of Compensation Expense Recognized Related to all Stock-Based Awards | The following table presents compensation expense recognized related to all stock-based awards (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Total stock-based compensation |  | $ | 962 |  |  | $ | 517 |  |  | $ | 1,528 |  |  | $ | 844 |
Summary of Stock Option Awards | The following table presents a summary of stock option awards relating to our 2013 Incentive Plan for the six months ended June 30, 2014:
|  | Six Months Ended June, 30 2014 |
|  |  |  |  | Weighted |  |  | Weighted |  |  |  |
|  |  |  |  | Average |  |  | Average |  |  | Aggregate |
|  |  |  |  | Exercise |  |  | Remaining |  |  | Intrinsic |
|  |  |  |  | Price |  |  | Contractual |  |  | Value |
|  | Options |  |  | Per Share |  |  | Life |  |  | (in 000’s) |
Options outstanding at December 31, 2013 |  |  | 285,900 |  |  | $ | 17.04 |  |  |  | 9.1 |  |  | $ | 827 |
Granted |  |  | 154,598 |  |  |  | 16.17 |  |  |  | 9.8 |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Options outstanding at June 30, 2014 |  |  | 440,498 |  |  |  | 16.73 |  |  |  | 9.0 |  |  |  | — |
Options exercisable at June 30, 2014 |  |  | 97,767 |  |  |  | 17.11 |  |  |  | 8.6 |  |  |  | — |
Summary of Restricted Stock Units Relating to 2013 Incentive Plan | The following table presents a summary of restricted stock units (“RSUs”) relating to our 2013 Incentive Plan for the six months ended June 30, 2014:
|  | Six Months Ended June 30, 2014 |
|  |  |  |  | Weighted |  |  |  |
|  |  |  |  | Average |  |  | Aggregate |
|  |  |  |  | Grant Date |  |  | Intrinsic |
|  | Restricted Stock |  |  | Fair Value |  |  | Value |
|  | Units |  |  | Per Share |  |  | (in 000’s) |
Nonvested RSUs at December 31, 2013 |  |  | 145,517 |  |  | $ | 17.68 |  |  | $ | 2,900 |
Granted |  |  | 217,839 |  |  |  | 16.17 |  |  |  | 3,424 |
Vested |  |  | (51,598 | ) |  |  | 17.81 |  |  |  | — |
Forfeited |  |  | (1,566 | ) |  |  | 18.30 |  |  |  | 25 |
Nonvested RSUs at June 30, 2014 |  |  | 310,192 |  |  |  | 16.60 |  |  |  | 4,876 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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