Subsequent Events (Details) - Subsequent Events $ in Millions	Apr. 16, 2019 USD ($)
Federal funds rate
Subsequent Events
Applicable margin rate	0.50%
One-month adjusted LIBOR
Subsequent Events
Applicable margin rate	1.00%
LIBOR
Subsequent Events
Floor interest rate	1.00%
Applicable margin rate	6.50%
Base rate
Subsequent Events
Applicable margin rate	5.50%
Incremental term loan
Subsequent Events
Proceeds from incremental term loans	$ 30.0