Description of Business and Summary of Significant Accounting Policies (Accounts Receivables and Allowances) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 135,889		$ 153,565
Allowance for doubtful accounts	20,200		21,700
Deferred revenue included in accounts receivables	8,000		6,400
Provision for doubtful accounts	(618)	$ 134
Billed Revenues [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	135,900		153,600
Unbilled Revenues [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	31,600		35,300
Vayam [Member] | Ebix Vayam JV [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	11,400		12,100
Accounts Receivable, Related Parties	$ 21,400		$ 22,800