Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Significant Accounting Policies [Line Items]
Deferred tax assets non current	$ 6,974	$ 6,242
Accounting Standards Update 2015-17
Significant Accounting Policies [Line Items]
Deferred tax assets current		24,700
Deferred tax assets non current		24,700
Accounting Standards Update 2015-15
Significant Accounting Policies [Line Items]
Deferred debt issuance costs, net		$ 6,400
NetSpend Holdings Inc
Significant Accounting Policies [Line Items]
Operating segments | segment	4