Stock-based Compensation (Details)
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1 Months Ended |
6 Months Ended |
7 Months Ended |
12 Months Ended |
36 Months Ended |
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Jun. 04, 2015
shares
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Jun. 30, 2015
USD ($)
shares
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Jun. 30, 2015
empolyee
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Dec. 31, 2015
USD ($)
shares
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Dec. 31, 2015
USD ($)
shares
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Dec. 31, 2015
USD ($)
$ / shares
shares
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Dec. 31, 2014
USD ($)
$ / shares
shares
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Dec. 31, 2013
USD ($)
$ / shares
shares
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Dec. 31, 2015
USD ($)
shares
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May. 07, 2015
USD ($)
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May. 06, 2015
USD ($)
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average fair value at grant date (in usd per share) | $ / shares |
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$ 6.38
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| Number of options granted (in shares) |
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578,713
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0
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0
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| Unrecognized compensation cost related to stock options | $ |
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$ 2,953,000
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$ 2,953,000
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$ 2,953,000
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$ 2,953,000
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| Weighted average period of compensation cost recognition |
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3 years 6 months 24 days
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| Aggregate pre-tax intrinsic value of stock options exercised | $ |
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$ 456,000
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$ 326,000
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$ 38,000
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| Proceeds from option exercises | $ |
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$ 96,000
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$ 5,000
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$ 135,000
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| Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares available for conversion (in shares) |
17,580,918
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| Employee Stock Option [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average fair value at grant date (in usd per share) | $ / shares |
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$ 6.38
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$ 0.00
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$ 0.00
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| Employee Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average fair value at grant date (in usd per share) | $ / shares |
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$ 4.65
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0.00
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0.00
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| Employee Stock [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| ESPP payroll deduction percentage |
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15.00%
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15.00%
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| ESPP share purchase limitation (in shares) |
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5,000
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| ESPP purchase limitation market value of common shares | $ |
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$ 25,000
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| Shares of stock issued (in shares) |
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55,076
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| Stock-based compensation expense | $ |
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$ 165,000
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| Restricted Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Awards granted (in shares) |
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798,153
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| Shares available for conversion (in shares) |
579,869
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| Weighted average period of compensation cost recognition |
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3 years 1 month 24 days
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| Weighted average grant date fair value of shares granted (in usd per share) | $ / shares |
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$ 15.92
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$ 5.53
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$ 2.69
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| Fair value of restricted stock vested | $ |
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$ 5,339,000
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| Number of Restricted Stock Shares, Vested (in shares) |
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366,722
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0
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0
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| Unrecognized compensation cost related to the restricted stock | $ |
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$ 9,464,000
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$ 9,464,000
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$ 9,464,000
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$ 9,464,000
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$ 5,160,000
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$ 2,353,000
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| Share based compensation expense, previously unrecognized | $ |
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$ 3,496,000
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| Restricted stock vesting period |
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4 years
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| 2015 Plan [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Award shares authorized (in shares) |
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1,260,664
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1,260,664
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1,260,664
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1,260,664
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| Percentage increase in issued shares by outstanding shares |
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4.00%
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4.00%
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4.00%
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4.00%
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| 2015 Plan [Member] | Employee Stock Option [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of options granted (in shares) |
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578,713
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| 2015 Plan [Member] | Restricted Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Awards granted (in shares) |
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649,067
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| 2013 Plan [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares available for conversion (in shares) |
274,808
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| 2013 Plan [Member] | Restricted Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Awards granted (in shares) |
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497,323
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| Shares available for conversion (in shares) |
579,869
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579,869
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| 2013 Plan [Member] | Incentive Unit Award [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares available for conversion (in shares) |
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149,086
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| Employee And Non-Employee Directors [Member] | Restricted Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of employees for incentive unit grants | empolyee |
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55
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