Description of Business and Summary of Significant Accounting Policies (Accounts Receivables and Allowances) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 129,768		$ 129,768		$ 153,565
Allowance for doubtful accounts	20,600		20,600		21,700
Deferred revenue included in accounts receivables	6,900		6,900		6,400
Provision for doubtful accounts	568	$ (1,400)	(50)	$ (1,310)
Billed Revenues [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	129,800		129,800		153,600
Unbilled Revenues [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	36,000		36,000		35,300
Vayam [Member] | Ebix Vayam JV [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	11,300		11,300		12,100
Accounts Receivable, Related Parties	$ 20,500		$ 20,500		$ 22,800