Business Segments - Unallocated assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total current assets	$ 54,579	$ 60,536
Other intangible assets, net	84,849	88,485
Deferred tax asset	13,985	14,710
Deferred financing costs revolver, net	1,846	2,159
Other non-current assets	2,880	3,420
Total assets	492,538	513,392
Other unallocated amounts
Total current assets	54,579	60,536
Other intangible assets, net	84,849	88,485
Deferred tax asset	13,985	14,710
Deferred financing costs revolver, net	1,846	2,159
Other non-current assets	2,880	3,420
Total assets	$ 158,139	$ 169,310