Earnings per Share - Reconciliation between Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income attributable to Ebix, Inc.	$ 15,721	$ 23,475	$ 37,312	$ 48,198
Basic weighted average shares outstanding (in shares)	30,581,000	30,504,000	30,570,000	30,490,000
Dilutive effect of stock options and restricted stock awards (in shares)	132,000	204,000	142,000	206,000
Diluted weighted average shares outstanding (in shares)	30,713,000	30,708,000	30,712,000	30,696,000
Basic earnings per common share (in dollars per share)	$ 0.51	$ 0.77	$ 1.22	$ 1.58
Diluted earnings per common share (in dollars per share)	$ 0.51	$ 0.76	$ 1.21	$ 1.57
Potentially issuable shares with respect to stock option (in shares)	177,000	181,875	177,000	181,875