Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accrued Liabilities
Accrued merchant settlement	$ 150,265	$ 101,366
Accrued merchant fees	40,761	57,079
Accrued taxes	38,468	35,759
Accrued compensation	13,110	24,044
Accrued cash management fees	9,458	16,604
Accrued interest	10,392	8,679
Accrued processing costs	8,488	7,830
Accrued maintenance	5,505	3,927
Accrued armored	8,180	6,654
Accrued purchases	5,177	4,631
Accrued telecommunications costs	2,214	1,413
Accrued interest on interest rate swap contracts	495	1,070
Other accrued expenses	37,911	37,889
Total accrued liabilities	330,424	306,945
Restructuring	$ 3,572	$ 5,383