EFT Source Acquisition (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
	Sep. 02, 2014	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Purchase Price Allocation
Goodwill		$ 73,123				$ 73,801				$ 73,123	$ 73,801	$ 40,818
Weighted-average useful life										16 years
Included in consolidated statement of operations:
Revenues		$ 93,567	$ 107,697	$ 95,536	$ 77,310	$ 87,865	$ 77,374	$ 53,236	$ 42,531	$ 374,110	261,006	196,370
Net income from operations										$ 67,720	34,472	26,149
EFT Source
Acquisition
Total consideration	$ 68,859
Consideration paid in cash	54,859
Non-cash consideration, Sellers Note	9,000
Non-cash consideration, issuance of preferred and common stock	5,000
Purchase Price Allocation
Cash and cash equivalents	381
Accounts receivable	5,837
Inventory	1,724
Prepaid expenses	1,426
Other current assets	645
Property, equipment and leasehold improvements	6,460
Goodwill	33,619
Intangible assets subject to amortization(	31,100
Trademarks (indefinite-lived)	4,400
Other assets	13
Deferred tax liability	(14,751)
Other current liabilities	(1,995)
Total purchase price	$ 68,859
Pro Forma Information
Revenue - Continuing Operations											291,302	233,360
Net Income - Continuing Operations											$ 16,916	$ 10,186
Basic loss per share from Continuing Operations											$ (0.67)	$ (0.60)
Diluted loss per share from Continuing Operations											$ (0.67)	$ (0.60)
Included in consolidated statement of operations:
Revenues											$ 21,999
Net income from operations											$ 4,446
Customer relationships | EFT Source
Purchase Price Allocation
Weighted-average useful life	15 years