Settlement Assets Settlement Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Settlement Assets [Abstract]
Allowance for Doubtful Other Receivables, Current	$ 28,300	$ 24,000
Cash and cash equivalents	709,521	786,081	$ 558,454	$ 385,031
Restricted cash	28,953	34,301	34,398	31,237
CashinATM	558,580	665,641	421,897	395,378
Settlement Assets Cash and Cash Equivalent	256,456	282,188	235,946	273,948
Settlement Assets Restricted Cash	36,243	49,168	40,547	45,358
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,589,753	1,817,379	$ 1,291,242	$ 1,130,952
Settlement Assets Account Receivable	364,148	574,410
Settlement Assets Prepaid expenses and other current assets	116,489	107,301
Settlement Assets, Current	773,336	1,013,067
Settlement Obligations Trade Accounts Payable	353,498	504,667
Settlement Liabilities Accrued Expenses and Other Current Liabilities	419,838	508,400
Settlement Liabilities, Current	$ 773,336	$ 1,013,067