v3.19.1
Business Operations (Details) - Class A common stock - Subsequent Event [Member] - USD ($)
1 Months Ended
Apr. 29, 2019
Apr. 23, 2019
Business Operations (Textual)    
Shares of common stock   5,250,000
Public offering price of per share   $ 17.00
Underwriters purchased an additional shares of common stock from the selling stockholders 450,000  
Aggregate net proceeds $ 80,400,000  
Percentage of outstanding common units 23.90%  
IPO [Member]    
Business Operations (Textual)    
Shares of common stock   6,000,000
Shares sold by certain selling stockholders   750,000