LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - EASY ADVANCES (Details) - Tax Refund Solutions - Easy Advances - USD ($) $ in Thousands	2 Months Ended			12 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Period Easy Advance tax credit product offered	2 months	2 months	2 months
Easy Advances originated				$ 388,970	$ 430,210	$ 328,523
Net Charge (credit) to the Provision for Easy Advances				$ 10,643	$ 10,760	$ 6,789
Provision to total Easy Advances originated				2.74%	2.50%	2.07%
Easy Advances net charge-offs				$ 10,643	$ 10,760	$ 6,789
Percentage of Easy Advances net charge-offs to Total Easy Advances Originated				2.74%	2.50%	2.07%