v3.7.0.1
Segment Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
segment
Mar. 31, 2016
USD ($)
Segment Reporting [Abstract]    
Number of reportable segments | segment 2  
Segment Reporting Information [Line Items]    
Operating revenues $ 253,001 $ 228,024
Operating expenses 191,625 173,538
Operating income 61,376 54,486
Account Services Segment [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 167,693 145,140
Operating expenses 126,677 119,152
Operating income 41,016 25,988
Processing and Settlement Services Segment [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 93,710 91,370
Operating expenses 45,103 39,022
Operating income 48,607 52,348
Corporate, Non-Segment [Member]    
Segment Reporting Information [Line Items]    
Operating revenues (8,402) (8,486)
Operating expenses 19,845 15,364
Operating income $ (28,247) $ (23,850)