Acquisition Activity - Additional Information (Detail)		3 Months Ended		6 Months Ended
	Jun. 15, 2016 USD ($) employee	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Capital Unit [Line Items]
Cash consideration at closing				$ 17,000,000	$ 0
Acquisition related expenses		$ 874,000	$ 0	1,050,000	$ 0
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business
Capital Unit [Line Items]
Number of employees hired (employee) | employee	225
Aggregate guaranteed payments	$ 42,000,000
Transaction cash consideration	37,000,000
Cash consideration at closing	17,000,000
Payables to Higher One	20,000,000
Payments for services under transition services agreement	$ 5,000,000
Period following the closing for potential additional payments	3 years
Revenue amount to trigger additional payments	$ 75,000,000
Possible payment as a percent of amount that exceeds revenue	35.00%
Goodwill and other intangibles	$ 4,293,000
Acquisition related expenses		$ 900,000		$ 1,100,000
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business | Developed software
Capital Unit [Line Items]
Useful life	10 years
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business | Other Intangible Assets | Minimum
Capital Unit [Line Items]
Useful life	4 years
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business | Other Intangible Assets | Maximum
Capital Unit [Line Items]
Useful life	20 years
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business | First Anniversary of Closing
Capital Unit [Line Items]
Payables to Higher One	$ 10,000,000
Higher One, Inc.'s Account Student Checking and Refund Management Disbursement Services Business | Second Anniversary of Closing
Capital Unit [Line Items]
Payables to Higher One	$ 10,000,000