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v3.10.0.1

Segment Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) segment | Jun. 30, 2017 USD ($)
Segment Reporting [Abstract] |  |  |  |
Number of reportable segments | segment |  |  | 2 |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | $ 258,349 | $ 222,548 | $ 573,347 | $ 475,549
Operating expenses | 231,168 | 202,357 | 469,786 | 393,982
Operating income | 27,181 | 20,191 | 103,561 | 81,567
Account Services Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 196,855 |  | 410,727 |
Operating income |  |  | 91,463 | 74,594
Processing and Settlement Services Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 61,494 |  | 162,620 |
Operating income |  |  | 70,242 | 65,093
Operating Segments [Member] | Account Services Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 204,265 | 175,114 | 426,699 | 342,807
Operating expenses | 165,748 | 141,536 | 335,236 | 268,213
Operating income | 38,517 | 33,578 |  |
Operating Segments [Member] | Processing and Settlement Services Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 61,906 | 55,064 | 163,764 | 148,774
Operating expenses | 42,849 | 38,578 | 93,522 | 83,681
Operating income | 19,057 | 16,486 |  |
Corporate, Non-Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | (7,822) | (7,630) | (17,116) | (16,032)
Operating expenses | 22,571 | 22,243 | 41,028 | 42,088
Operating income | $ (30,393) | $ (29,873) | $ (58,144) | $ (58,120)

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