Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.5.0.2
Subsequent Events (Details) - Subsequent Event
$ / shares in Units, $ in Millions
Oct. 19, 2016
USD ($)
bonus
officer
installment
$ / shares
shares
Subsequent Event [Line Items]  
Proceeds from issuance initial public offering | $ $ 103.2
Officers' compensation, aggregate increase (decrease) | $ $ 0.3
Number of cash bonuses | bonus 1
One time cash bonus upon IPO | $ $ 1.2
Number of officers receiving award | officer 2
Provision (benefit) for income taxes | $ $ 53.1
Over-Allotment Option  
Subsequent Event [Line Items]  
Shares issued 1,162,500
Sale of stock, price per share | $ / shares $ 15.00
IPO  
Subsequent Event [Line Items]  
Shares issued 7,750,000
Sale of stock, price per share | $ / shares $ 15.00
Shares issued by company 7,500,000
Restricted Stock  
Subsequent Event [Line Items]  
Shares issued in period 265,000
Minimum | Restricted Stock  
Subsequent Event [Line Items]  
Vesting number of installments | installment 3
Maximum | Restricted Stock  
Subsequent Event [Line Items]  
Vesting number of installments | installment 4
Mammoth Holdings, Gulfport and Rhino | IPO  
Subsequent Event [Line Items]  
Shares issued 250,000