Fair Value Measurement Of Assets And Liabilities (Fair Value Of Financial Assets And Liabilities Measured At Amortized Cost) (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		$ 1,952,996	$ 1,709,669
Liabilities	[1]	4,764,775	4,356,151
Accounts Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		612,206	767,336
Funds Payable to Customers And Amounts Due To Merchants [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	1,527,971	1,733,095
Salaries and Social Security Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		144,530	120,394
Tax Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		240,167	215,918
Loans Payable and Other Financial Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	2,174,438	1,409,269
Other Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	65,463	110,139
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		1,952,996	1,709,669
Liabilities	[1]	4,796,042	4,426,047
Significant Other Observable Inputs (Level 2) [Member] | Accounts Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		612,206	767,336
Significant Other Observable Inputs (Level 2) [Member] | Funds Payable to Customers And Amounts Due To Merchants [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	1,527,971	1,733,095
Significant Other Observable Inputs (Level 2) [Member] | Salaries and Social Security Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		144,530	120,394
Significant Other Observable Inputs (Level 2) [Member] | Tax Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities		240,167	215,918
Significant Other Observable Inputs (Level 2) [Member] | Loans Payable and Other Financial Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	2,205,705	1,479,165
Significant Other Observable Inputs (Level 2) [Member] | Other Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	[1]	65,463	110,139
Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		305,746	158,818
Time Deposits [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		305,746	158,818
Accounts Receivable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		64,815	49,691
Accounts Receivable [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		64,815	49,691
Credit Cards Receivable And Other Means Of Payments, Net [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		883,670	863,073
Credit Cards Receivable And Other Means Of Payments, Net [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		883,670	863,073
Loans Receivable, Net [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		435,449	401,655
Loans Receivable, Net [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		435,449	401,655
Other Assets [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		263,316	236,432
Other Assets [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets		$ 263,316	$ 236,432

[1] The fair value of the 2028 Notes (including the equity component) is disclosed in Note 11.