Document and Entity Information - shares	9 Months Ended
	Dec. 31, 2016	Jan. 31, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	CRVL
Entity Registrant Name	CORVEL CORP
Entity Central Index Key	0000874866
Current Fiscal Year End Date	--03-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		19,127,982