LOANS AND CREDIT QUALITY (Class and Credit Indicator) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Recorded investment in the loans and leases, by class and credit indicator
2020	$ 981,358
2019	749,110
2018	547,015
2017	503,817
2016	417,938
Prior	1,173,890
Amortized Cost of Revolving Loans	630,310
Total	5,003,438
Loans and leases, gross	5,018,126	$ 4,446,695
Net deferred (fees) costs	(14,688)	2,845
Total loans, net of allowance for credit losses	5,003,438	4,449,540
Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		570,089
Net deferred (fees) costs		215
Total loans, net of allowance for credit losses		570,304
Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		4,366,276
Pass \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		523,342
Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		38,957
Special Mention \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		20,677
Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		41,351
Substandard \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		26,070
Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		111
Loss \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Small Business Administration Paycheck Protection Program \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	543,653	0
Total loans, net of allowance for credit losses	526,408
Small Business Administration Paycheck Protection Program \| Pass \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
2020	526,408
2019	0
2018	0
2017	0
2016	0
Prior	0
Amortized Cost of Revolving Loans	0
Total	526,408
Other \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
2020	76,303
2019	86,210
2018	70,732
2017	70,181
2016	49,531
Prior	111,177
Amortized Cost of Revolving Loans	83,724
Total	547,858
Loans and leases, gross	547,768	570,089
Total loans, net of allowance for credit losses	547,858
Other \| Pass \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
2020	73,563
2019	70,052
2018	64,647
2017	53,927
2016	46,574
Prior	99,703
Amortized Cost of Revolving Loans	82,204
Total	490,670
Other \| Special Mention \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
2020	2,740
2019	8,796
2018	5,490
2017	15,034
2016	550
Prior	9,632
Amortized Cost of Revolving Loans	1,520
Total	43,762
Other \| Substandard \| Commercial Financial And Agricultural
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	7,362
2018	595
2017	1,220
2016	2,407
Prior	1,842
Amortized Cost of Revolving Loans	0
Total	13,426
Construction \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	103,826	96,139
Net deferred (fees) costs		(285)
Total loans, net of allowance for credit losses	103,518	95,854
Construction \| Pass \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	12,308
2019	15,026
2018	46,092
2017	7,164
2016	2,239
Prior	20,689
Amortized Cost of Revolving Loans	0
Total	103,518
Loans and leases, gross		96,139
Construction \| Special Mention \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Construction \| Substandard \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Construction \| Loss \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Residential Mortgage \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	252,833
2019	335,607
2018	163,681
2017	184,035
2016	211,626
Prior	509,776
Amortized Cost of Revolving Loans	0
Total	1,657,558
Loans and leases, gross	1,653,632	1,595,801
Net deferred (fees) costs		4,000
Total loans, net of allowance for credit losses	1,657,558	1,599,801
Residential Mortgage \| Pass \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	252,833
2019	335,607
2018	163,136
2017	181,703
2016	210,585
Prior	506,943
Amortized Cost of Revolving Loans	0
Total	1,650,807
Loans and leases, gross		1,593,072
Residential Mortgage \| Special Mention \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	0
2018	0
2017	1,437
2016	153
Prior	1,145
Amortized Cost of Revolving Loans	0
Total	2,735
Loans and leases, gross		840
Residential Mortgage \| Substandard \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	0
2018	545
2017	895
2016	888
Prior	1,688
Amortized Cost of Revolving Loans	0
Total	4,016
Loans and leases, gross		1,889
Residential Mortgage \| Loss \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Home Equity \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	9,200
2019	18,464
2018	19,080
2017	457
2016	504
Prior	5,255
Amortized Cost of Revolving Loans	458,002
Total	510,962
Loans and leases, gross	510,188	490,239
Net deferred (fees) costs		495
Total loans, net of allowance for credit losses	510,962	490,734
Home Equity \| Pass \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	9,200
2019	18,464
2018	19,080
2017	457
2016	298
Prior	4,923
Amortized Cost of Revolving Loans	457,792
Total	510,214
Loans and leases, gross		490,147
Home Equity \| Special Mention \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Amortized Cost of Revolving Loans	210
Total	210
Loans and leases, gross		0
Home Equity \| Substandard \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	0
2018	0
2017	0
2016	206
Prior	332
Amortized Cost of Revolving Loans	0
Total	538
Loans and leases, gross		92
Home Equity \| Loss \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Commercial Mortgage \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	42,505
2019	156,820
2018	173,608
2017	184,231
2016	128,367
Prior	427,275
Amortized Cost of Revolving Loans	17,363
Total	1,130,169
Loans and leases, gross	1,131,959	1,124,911
Net deferred (fees) costs		(1,496)
Total loans, net of allowance for credit losses	1,130,169	1,123,415
Commercial Mortgage \| Pass \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	42,505
2019	149,625
2018	155,100
2017	171,513
2016	113,485
Prior	383,327
Amortized Cost of Revolving Loans	17,363
Total	1,032,918
Loans and leases, gross		1,094,364
Commercial Mortgage \| Special Mention \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	2,602
2018	18,508
2017	12,718
2016	10,369
Prior	24,984
Amortized Cost of Revolving Loans	0
Total	69,181
Loans and leases, gross		17,440
Commercial Mortgage \| Substandard \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	4,593
2018	0
2017	0
2016	4,513
Prior	18,964
Amortized Cost of Revolving Loans	0
Total	28,070
Loans and leases, gross		13,107
Commercial Mortgage \| Loss \| Real Estate
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Consumer \| Consumer
Recorded investment in the loans and leases, by class and credit indicator
2020	61,801
2019	136,983
2018	73,822
2017	57,749
2016	25,671
Prior	99,718
Amortized Cost of Revolving Loans	71,221
Total	526,965
Loans and leases, gross	527,100	569,516
Net deferred (fees) costs		(84)
Total loans, net of allowance for credit losses	526,965	569,432
Consumer \| Pass \| Consumer
Recorded investment in the loans and leases, by class and credit indicator
2020	61,790
2019	136,956
2018	73,808
2017	57,622
2016	25,622
Prior	99,447
Amortized Cost of Revolving Loans	71,221
Total	526,466
Loans and leases, gross		569,212
Consumer \| Special Mention \| Consumer
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross		0
Consumer \| Substandard \| Consumer
Recorded investment in the loans and leases, by class and credit indicator
2020	11
2019	27
2018	14
2017	48
2016	4
Prior	256
Amortized Cost of Revolving Loans	0
Total	360
Loans and leases, gross		193
Consumer \| Loss \| Consumer
Recorded investment in the loans and leases, by class and credit indicator
2020	0
2019	0
2018	0
2017	79
2016	45
Prior	15
Amortized Cost of Revolving Loans	0
Total	$ 139
Loans and leases, gross		$ 111

Amount of financing receivable originated five or more years prior to latest fiscal year.

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Amount of financing receivable originated three years prior to latest fiscal year.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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