Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical)

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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
OPERATING COSTS AND EXPENSES        
Depreciation and amortization included in the cost of sales and processing $ 2,363 $ 2,028 $ 4,746 $ 4,247