LOANS (Investment in Loans on Non-Accrual Status) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	$ 57,515	$ 62,480
Non-accrual with no Allowance for Credit Loss	29,294	39,403
Total	86,809	101,883
Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	53,523	55,839
Non-accrual with no Allowance for Credit Loss	22,099	33,165
Total	75,622	89,004
PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	3,992	6,641
Non-accrual with no Allowance for Credit Loss	7,195	6,238
Total	11,187	12,879
Commercial \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	16,712	17,583
Non-accrual with no Allowance for Credit Loss	18,181	20,021
Total	34,893	37,604
Commercial \| PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	3,682	6,307
Non-accrual with no Allowance for Credit Loss	7,195	6,238
Total	10,877	12,545
Mortgage \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	22,642	16,428
Non-accrual with no Allowance for Credit Loss	3,562	12,840
Total	26,204	29,268
Mortgage \| PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	310	334
Non-accrual with no Allowance for Credit Loss	0	0
Total	310	334
Consumer \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	1,677	2,001
Non-accrual with no Allowance for Credit Loss	353	302
Total	2,030	2,303
Auto and leasing \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	12,492	19,827
Non-accrual with no Allowance for Credit Loss	3	2
Total	12,495	19,829
Commercial secured by real estate \| Commercial \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	15,703	16,299
Non-accrual with no Allowance for Credit Loss	17,864	19,538
Total	33,567	35,837
Commercial secured by real estate \| Commercial \| PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	3,682	5,205
Non-accrual with no Allowance for Credit Loss	7,155	6,198
Total	10,837	11,403
Other commercial and industrial \| Commercial \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	1,009	1,284
Non-accrual with no Allowance for Credit Loss	317	483
Total	1,326	1,767
Other commercial and industrial \| Commercial \| PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	0	1,102
Non-accrual with no Allowance for Credit Loss	40	40
Total	40	1,142
Personal loans \| Consumer \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	1,008	1,143
Non-accrual with no Allowance for Credit Loss	353	302
Total	1,361	1,445
Personal lines of credit \| Consumer \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	110	226
Non-accrual with no Allowance for Credit Loss	0	0
Total	110	226
Credit cards \| Consumer \| Non-PCD
Financing Receivable, Nonaccrual [Line Items]
Non-accrual with Allowance for Credit Loss	559	632
Non-accrual with no Allowance for Credit Loss	0	0
Total	$ 559	$ 632