Organization and Nature of Operations - Initial Public Offering (Details) - Common stock - Class A Common Stock - USD ($) $ / shares in Units, $ in Thousands |
5 Months Ended | |
|---|---|---|
Feb. 04, 2015 |
Jul. 01, 2015 |
|
| Class of Stock [Line Items] | ||
| Shares issued during the period | 5,968,841 | 5,750,000 |
| Initial public offering | ||
| Class of Stock [Line Items] | ||
| Shares issued during the period | 5,750,000 | |
| Proceeds of issuance of initial public offering net of underwriting discounts and commissions | $ 112,298 | |
| Shares issued, share price | $ 21 | |
| Over-allotment option | ||
| Class of Stock [Line Items] | ||
| Shares issued during the period | 750,000 |