Segment Information (Revenues By Major Service Line) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue from External Customer
Revenues	$ 246,046	$ 256,377
Crawford TPA Solutions
Revenue from External Customer
Revenues	96,935	97,794
Crawford Specialty Solutions
Revenue from External Customer
Revenues	63,009	65,945
Service
Revenue from External Customer
Revenues	237,531	247,058
Service | Crawford TPA Solutions
Revenue from External Customer
Revenues	96,935	97,794
Service | Crawford Specialty Solutions
Revenue from External Customer
Revenues	63,009	65,945
Claims Management Services | Crawford TPA Solutions
Revenue from External Customer
Revenues	54,866	56,911
Medical Management Services | Crawford TPA Solutions
Revenue from External Customer
Revenues	42,069	40,883
Global Technical Services | Crawford Specialty Solutions
Revenue from External Customer
Revenues	43,908	44,373
Contractor Connection | Crawford Specialty Solutions
Revenue from External Customer
Revenues	$ 19,101	$ 21,572