Contingencies - Litigation (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2019	Mar. 31, 2019
Loss Contingencies [Line Items]
Litigation settlement expense		$ 88,150
Wave Lengths Hair Salons Of Florida Inc.
Loss Contingencies [Line Items]
Required amount reserved	$ 90,000
Amount awarded to other party	$ 60,000
Period of settlement payments of monthly rent credits	5 years
Loss contingency accrual		$ 88,150
Wave Lengths Hair Salons Of Florida Inc. | Maximum
Loss Contingencies [Line Items]
Attorney fees and associated costs	$ 28,000
Incentive award costs	50
Class administration costs	$ 100