Segment Information - Summary of Segment Assets to Consolidated (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Goodwill:    
Goodwill $ 99,789 $ 99,789
Other intangible assets, net:    
Net Book Value 87,565 90,748
Total assets:    
Assets 447,989 420,275
Operating Segments | RDS    
Goodwill:    
Goodwill 54,225 54,225
Other intangible assets, net:    
Net Book Value 43,073 44,509
Total assets:    
Assets 202,332 182,754
Operating Segments | ASG    
Goodwill:    
Goodwill 45,564 45,564
Other intangible assets, net:    
Net Book Value 44,492 46,239
Total assets:    
Assets 223,885 217,655
Consolidation Entries    
Total assets:    
Assets 63 36
Unallocated    
Total assets:    
Assets $ 21,709 $ 19,830