Revenue Recognition - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, days sales outstanding	2 months
Accounts payable, days payable outstanding	1 year
Billing after contract completion, years	1 year
Revenue, remaining performance obligation	$ 95.0
Performance obligations to be recognized as revenues within one year, percent	70.00%
Revenue from contracts with customers, practical expedient, consideration adjustment period	1 year
Minimum | Crawford TPA Solutions
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue from contracts with customers, performance obligation term	1 year
Maximum | Crawford TPA Solutions
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue from contracts with customers, performance obligation term	2 years
Claims Management Services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue from contracts with customers, performance obligation term	1 year
Percentage of closed cases	98.00%
Revenue from contracts with customers, duration, average time to close case from time of referral	5 years
Claims Management Services | Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue from contracts with customers, performance obligation term	1 year
Claims Management Services | Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue from contracts with customers, performance obligation term	2 years