Discontinued Operations - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations before income tax benefit	$ (8,436)	$ (3,696)	$ (10,334)	$ (5,508)
Income tax benefit from discontinued operations	(3,206)	(1,405)	(3,927)	(2,093)
Net loss from discontinued operations	(5,230)	(2,291)	(6,407)	(3,415)
BankMobile | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest income	1	0	2	0
Interest expense	11	4	18	9
Net interest income	(10)	(4)	(16)	(9)
Non-interest income	11,420	2,403	28,746	2,630
Non-interest expense	19,846	6,095	39,064	8,129
Loss from discontinued operations before income tax benefit	(8,436)	(3,696)	(10,334)	(5,508)
Income tax benefit from discontinued operations	(3,206)	(1,405)	(3,927)	(2,093)
Net loss from discontinued operations	$ (5,230)	$ (2,291)	$ (6,407)	$ (3,415)