LOANS AND LEASES (Loans and Leases) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
LOANS AND LEASES
Loans and leases, gross	$ 5,105,758	$ 4,972,004
Net deferred costs	(4,109)	(7,891)
Total loans	5,101,649	4,964,113
Commercial, financial and agricultural:
LOANS AND LEASES
Loans and leases, gross		545,136
Net deferred costs		(45)
Total loans		545,091
Commercial, financial and agricultural: \| Small Business Administration Paycheck Protection Program ("SBA PPP")
LOANS AND LEASES
Loans and leases, gross	94,850	425,993
Net deferred costs	(3,523)	(9,618)
Total loans	91,327	416,375
Commercial, financial and agricultural: \| Other
LOANS AND LEASES
Loans and leases, gross	530,383	545,136
Net deferred costs	(262)
Total loans	530,121
Real estate \| Construction
LOANS AND LEASES
Loans and leases, gross	123,351	125,625
Net deferred costs	(484)	(218)
Total loans	122,867	125,407
Real estate \| Residential mortgage
LOANS AND LEASES
Loans and leases, gross	1,875,200	1,687,251
Net deferred costs	780	2,961
Total loans	1,875,980	1,690,212
Real estate \| Home equity
LOANS AND LEASES
Loans and leases, gross	635,721	550,216
Net deferred costs	1,528	1,050
Total loans	637,249	551,266
Real estate \| Commercial mortgage
LOANS AND LEASES
Loans and leases, gross	1,222,138	1,158,203
Net deferred costs	(1,934)	(1,875)
Total loans	1,220,204	1,156,328
Consumer \| Consumer
LOANS AND LEASES
Loans and leases, gross	624,115	479,580
Net deferred costs	(214)	(146)
Total loans	$ 623,901	$ 479,434

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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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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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