Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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LOANS AND LEASES - Investment in Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	$ 48,527		$ 48,165
Current balance			59,600
Contractual Principal Balance			84,482
Related Allowance			2,175
Average current balance		$ 84,544
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		64
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		507
Interest income recognized	402	571
Commercial
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	21,126		24,346
Current balance			27,480
Contractual Principal Balance			41,222
Related Allowance			2,044
Average current balance		35,529
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		43
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		279
Interest income recognized		322
Lease financing
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	222		223
Current balance			223
Contractual Principal Balance			223
Related Allowance			0
Average current balance		162
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0
Interest income recognized		0
Construction real estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	0		0
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		9
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0
Interest income recognized		0
Commercial real estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	10,050		7,295
Current balance			10,831
Contractual Principal Balance			18,572
Related Allowance			113
Average current balance		25,115
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		19
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		103
Interest income recognized		122
Residential real estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	11,163		10,892
Current balance			15,162
Contractual Principal Balance			17,662
Related Allowance			18
Average current balance		17,267
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		2
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		86
Interest income recognized		88
Home equity
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	5,821		5,242
Current balance			5,700
Contractual Principal Balance			6,462
Related Allowance			0
Average current balance		6,288
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		38
Interest income recognized		38
Installment
Financing Receivable, Impaired [Line Items]
Financing Receivable, Nonaccrual	145		167
Current balance			204
Contractual Principal Balance			341
Related Allowance			0
Average current balance		174
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		1
Interest income recognized		1
Loans with no related allowance recorded [member]
Financing Receivable, Impaired [Line Items]
Current balance			47,881
Contractual Principal Balance			62,000
Related Allowance			0
Average current balance		80,129
Loans with no related allowance recorded [member] \| Commercial
Financing Receivable, Impaired [Line Items]
Current balance			16,726
Contractual Principal Balance			19,709
Related Allowance			0
Average current balance		33,418
Loans with no related allowance recorded [member] \| Lease financing
Financing Receivable, Impaired [Line Items]
Current balance			223
Contractual Principal Balance			223
Related Allowance			0
Average current balance		162
Loans with no related allowance recorded [member] \| Construction real estate
Financing Receivable, Impaired [Line Items]
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		9
Loans with no related allowance recorded [member] \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Current balance			10,160
Contractual Principal Balance			17,897
Related Allowance			0
Average current balance		23,111
Loans with no related allowance recorded [member] \| Residential real estate
Financing Receivable, Impaired [Line Items]
Current balance			14,868
Contractual Principal Balance			17,368
Related Allowance			0
Average current balance		16,967
Loans with no related allowance recorded [member] \| Home equity
Financing Receivable, Impaired [Line Items]
Current balance			5,700
Contractual Principal Balance			6,462
Related Allowance			0
Average current balance		6,288
Loans with no related allowance recorded [member] \| Installment
Financing Receivable, Impaired [Line Items]
Current balance			204
Contractual Principal Balance			341
Related Allowance			0
Average current balance		174
Impaired Financing Receivables With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Current balance	16,298
Impaired Financing Receivables With Related Allowance [Member] \| Commercial
Financing Receivable, Impaired [Line Items]
Current balance	10,755		10,754
Contractual Principal Balance			21,513
Related Allowance			2,044
Average current balance		2,111
Impaired Financing Receivables With Related Allowance [Member] \| Lease financing
Financing Receivable, Impaired [Line Items]
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		0
Impaired Financing Receivables With Related Allowance [Member] \| Construction real estate
Financing Receivable, Impaired [Line Items]
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		0
Impaired Financing Receivables With Related Allowance [Member] \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Current balance			671
Contractual Principal Balance			675
Related Allowance			113
Average current balance		2,004
Impaired Financing Receivables With Related Allowance [Member] \| Residential real estate
Financing Receivable, Impaired [Line Items]
Current balance	$ 1,005		294
Contractual Principal Balance			294
Related Allowance			18
Average current balance		300
Impaired Financing Receivables With Related Allowance [Member] \| Home equity
Financing Receivable, Impaired [Line Items]
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		0
Impaired Financing Receivables With Related Allowance [Member] \| Installment
Financing Receivable, Impaired [Line Items]
Current balance			0
Contractual Principal Balance			0
Related Allowance			0
Average current balance		0
Impaired Financing Receivables With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Current balance			11,719
Contractual Principal Balance			22,482
Related Allowance			$ 2,175
Average current balance		$ 4,415