LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - EASY ADVANCES (Details) - Tax Refund Solutions - Easy Advances - USD ($) $ in Thousands	2 Months Ended		3 Months Ended		9 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Period Easy Advance tax credit product offered	2 months	2 months
Easy Advances originated					$ 388,970	$ 430,210
Net Charge (credit) to the Provision for Easy Advances			$ (2,098)	$ (1,036)	$ 11,322	$ 11,360
Provision to total Easy Advances originated					2.91%	2.64%
Easy Advances net charge-offs (recoveries)			$ (2,098)	$ (1,036)	$ 11,322	$ 11,360
Percentage of Easy Advances net charge-offs to Total Easy Advances Originated					2.91%	2.64%