Earnings per Share - Reconciliation between Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Net income attributable to Ebix, Inc.	$ 15,451	$ 24,682	$ 52,763	$ 72,880
Basic weighted average shares outstanding (in shares)	30,646,000	30,525,000	30,595,000	30,502,000
Dilutive effect of stock options and restricted stock awards (in shares)	55,000	328,000	55,000	246,000
Diluted weighted average shares outstanding (in shares)	30,701,000	30,853,000	30,650,000	30,748,000
Basic earnings per common share (in dollars per share)	$ 0.50	$ 0.81	$ 1.72	$ 2.39
Diluted earnings per common share (in dollars per share)	$ 0.50	$ 0.80	$ 1.72	$ 2.37
Potentially issuable shares with respect to stock option (in shares)	177,000	181,875	177,000	181,875