Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.19.1
Subsequent Events (Details) - Chief executive officer - Restricted Stock Units - USD ($)
$ in Millions
3 Months Ended
Apr. 18, 2018
Mar. 31, 2019
Jun. 30, 2018
Subsequent Event [Line Items]      
Accelerated compensation cost   $ 0.2 $ 1.7
June 29, 2015      
Subsequent Event [Line Items]      
Vested (in shares) 175,000    
September 6, 2017      
Subsequent Event [Line Items]      
Vested (in shares) 100,000