Quarterly Financial Information (unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Operating revenue	$ 146,183	$ 147,233	$ 144,275	$ 142,924	$ 136,327	$ 128,643	$ 124,626	$ 108,230	$ 104,681	$ 92,800	$ 87,387	$ 79,103	$ 580,615	$ 497,826	$ 363,971
Gross Profit	93,072	92,062	93,321	96,995	94,025	85,680	81,067	68,639	66,243	57,863	56,455	53,916
Operating income	34,253	26,007	41,282	54,131	41,530	39,238	38,315	33,896	33,081	27,911	26,539	25,690	155,673	152,979	113,221
Net income attributable to Ebix, Inc.	$ 21,650	$ 20,509	$ 28,851	$ 25,710	$ 8,509	$ 29,242	$ 29,180	$ 26,208	$ 26,573	$ 24,184	$ 23,434	$ 26,427	$ 96,720	$ 93,139	$ 100,618
Basic (in dollars per share)	$ 0.71	$ 0.67	$ 0.95	$ 0.84	$ 0.27	$ 0.93	$ 0.93	$ 0.83	$ 0.84	$ 0.77	$ 0.74	$ 0.83	$ 3.17	$ 2.97	$ 3.19
Diluted (in dollars per share)	$ 0.71	$ 0.67	$ 0.94	$ 0.84	$ 0.27	$ 0.92	$ 0.92	$ 0.83	$ 0.84	$ 0.76	$ 0.74	$ 0.83	$ 3.16	$ 2.95	$ 3.17