Stock Option Plan (Tables)

12 Months Ended

Dec. 31, 2015

Summary of changes in number of outstanding restricted shares of common stock

		Weighted-
		Average
		Grant Date
	Shares	Fair Value
Outstanding as of December 31, 2014	—	$	—
Granted	191,664		9.48
Vested	—		—
Forfeited	—		—
Outstanding as of December 31, 2015	191,664	$	9.48

Omnibus Plan

Summary of outstanding and exercisable stock options

				Weighted-
		Weighted-		Average
		Average		Remaining
		Exercise		Contractual Term
	Options	Price		(in Years)
Outstanding as of December 31, 2014	—	$	—	—
Granted	795,450		10.00	10.00
Forfeited	—		—	—
Outstanding as of December 31, 2015	795,450	$	10.00	9.80

Schedule of vesting for unvested options

2016	—
2017	265,150
2018	265,150
2019	265,150
Total unvested options as of December 31, 2015	795,450

Schedule of valuation assumptions

	Year
	ended
	December
	31, 2015
Expected term in years	6.5
Volatility	36.7	%
Risk-free interest rate	1.8	%
Dividend yield	1.3	%

Option Plan

Summary of outstanding and exercisable stock options

				Weighted-
		Weighted-		Average
		Average		Remaining
		Exercise		Contractual Term
	Options	Price		(in Years)
Outstanding as of January 1, 2013	528,000	$	0.0004	7.48
Granted	165,000		0.0005
Forfeited	(44,000)		0.0005
Outstanding as of December 31, 2013	649,000	$	0.0004	7.35
Forfeited	(22,000)		0.0001
Outstanding as of December 31, 2014	627,000	$	0.0004	6.44
Exercised	(66,000)		0.0005
Forfeited	(99,000)		0.0003
Outstanding as of December 31, 2015	462,000	$	0.0003	5.57
Exercisable as of December 31, 2015	421,667	$	0.0004	5.48

Schedule of vesting for unvested options

2016	40,333
Total	40,333