Equity-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock Options, Valuation Assumptions
The following table sets forth the assumptions used by the Company to estimate the fair value of options granted under the 2015 Omnibus Incentive Plan:
Expected volatility
 
29% - 43%

Risk-free interest rate
 
0.54% - 1.36%

Expected dividends
 
—

Average expected term (years)
 
2.56

Fair value of stock options granted
 
$2.64 - $5.74
Schedule of Stock Options Activity
A summary of stock option activity during the year ended December 31, 2016 is as follows:
 
 
Options
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term (years)
Outstanding at December 31, 2014
 
—

 
 
 
 
Granted
 
8,448

 
$
20.03

 
3.0
Exercised
 
—

 
 
 
 
Forfeited
 
—

 
 
 
 
Outstanding at December 31, 2015
 
8,488

 
$
20.03

 
3.0
Granted
 
7,779

 
17.99

 
1.6
Exercised
 
—

 
 
 
 
Forfeited
 
—

 
 
 
 
Outstanding at December 31, 2016 (1)
 
16,267

 
$
19.05

 
1.8
(1) Of the outstanding options, 2,829 were exercisable as of December 31, 2016.
Schedule of Restricted Stock Activity
A summary of issued restricted stock activity for the years ended December 31, 2016, 2015, and 2014 follows:
 
 
Total Shares
 
Vested Shares
 
Unvested Shares
 
Weighted-Average Grant Fair Value
 
 
 
 
 
 
 
 
 
Outstanding at January 1, 2014
 
3,234,664

 
1,788,780

 
1,445,884

 

$0.81

Granted
 
583,404

 
—

 
583,404

 
6.44

Forfeited/Terminated
 
(127,582
)
 
—

 
(127,582
)
 
1.27

Purchased
 
(803,336
)
 
(803,336
)
 
—

 
3.64

Vested
 
—

 
659,641

 
(659,641
)
 
1.43

Outstanding at December 31, 2014
 
2,887,150

 
1,645,085

 
1,242,065

 

$1.96

Granted
 
569,114

 
—

 
569,114

 
6.31

Forfeited/Terminated
 
—

 
—

 
—

 
—

Purchased
 
(11,742
)
 
(11,742
)
 
—

 
6.31

Vested
 
—

 
1,643,525

 
(1,643,525
)
 
3.79

Outstanding at December 31, 2015
 
3,444,522

 
3,276,868

 
167,654

 

$2.53

Granted
 
384,629

 
—

 
384,629

 
15.09

Forfeited/Terminated
 
(53,003
)
 
—

 
(53,003
)
 
11.85

Purchased
 
—

 
—

 
—

 
—

Vested
 
—

 
37,038

 
(37,038
)
 
6.31

Outstanding at December 31, 2016
 
3,776,148

 
3,313,906

 
462,242

 

$3.72