Condensed Consolidated Statements of Comprehensive (Loss) Income Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net (Loss) Income	$ (13,159)	$ 5,769
Other Comprehensive (Loss) Income:
Net foreign currency translation (loss) gain, net of tax of $0 and $0, respectively	(3,472)	3,046
Amortization of actuarial losses for retirement plans included in net periodic pension cost, net of tax of $651 and $690, respectively	1,928	2,011
Other Comprehensive (Loss) Income	(1,544)	5,057
Comprehensive (Loss) Income	(14,703)	10,826
Comprehensive loss attributable to noncontrolling interests and redeemable noncontrolling interests	1,759	356
Comprehensive (Loss) Income Attributable to Shareholders of Crawford & Company	$ (12,944)	$ 11,182