Subsequent Event (Details) - Sixth Amendment To Credit Agreement $ in Millions		3 Months Ended
	May 01, 2019 USD ($)	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019 USD ($)
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity						$ 50.0
Contingent additional borrowing capacity						$ 5.0
Subsequent Event
Subsequent Event [Line Items]
Interest expense, debt	$ 1.3
Debt issuance costs	$ 0.7
Scenario, Forecast
Subsequent Event [Line Items]
Leverage ratio minimum		3.00	4.00	6.25	9.50
Fixed charge coverage ratio, minimum			1.25