Description of Business and Summary of Significant Accounting Policies Description of Business and Summary of Significant Accounting Policies - Accounts Receivable and the Allowance for Doubtful Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, after allowance for credit loss, current	$ 153,565	$ 147,691
Allowance for doubtful accounts	21,700	7,000
Provision for doubtful accounts	12,325	3,571	$ 1,713
Vayam | Ebix Vayam JV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	12,100
Billed Revenues
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, after allowance for credit loss, current	118,300	139,200
Unbilled Revenues
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, after allowance for credit loss, current	$ 35,300	$ 35,100