Business Segments - Unallocated assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Total current assets	$ 62,595	$ 60,795
Other intangible assets, net	114,119	117,866
Deferred tax asset	6,472	6,427
Deferred financing costs revolver, net	4,373	4,688
Other non-current assets	5,893	4,690
Total assets	593,188	600,792
Other unallocated amounts
Total current assets	62,595	60,795
Other intangible assets, net	114,119	117,866
Deferred tax asset	6,472	6,427
Deferred financing costs revolver, net	4,373	4,688
Other non-current assets	5,893	4,690
Total assets	$ 193,452	$ 194,466