NON-INTEREST INCOME AND OTHER EXPENSES (Schedule of Other Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		48 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Amortization of intangibles	$ 14,744	$ 14,742	$ 29,487	$ 29,508
Deposit insurance premiums and other expenses	13,766	10,507	26,320	42,244	$ 25,300
Loss on debt extinguishment	890	1,109	1,026	1,127
Other administrative expenses	111,655	122,644	199,485	258,529
Other miscellaneous expenses	8,327	11,502	21,409	14,828
Total Other expenses	$ 149,382	$ 160,504	$ 277,727	$ 346,236