ACQUIRED CREDIT IMPAIRED LOANS (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	$ 1,198,544	$ 848,769
Loans, net	1,194,577	845,657
Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	77,740	36,057
Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	740,647	527,947
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	349,127	251,582
Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	450	539
Financial Receivable Acquired Credit Impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	10,802	7,482
Financial Receivable Acquired Credit Impaired | Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	922
Financial Receivable Acquired Credit Impaired | Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	6,315
Financial Receivable Acquired Credit Impaired | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	3,229
Financial Receivable Acquired Credit Impaired | Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	336
Eaton National Bank & Trust Co. [Member] | Financial Receivable Acquired Credit Impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	3,170	3,981
Eaton National Bank & Trust Co. [Member] | Financial Receivable Acquired Credit Impaired | Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	503	988
Eaton National Bank & Trust Co. [Member] | Financial Receivable Acquired Credit Impaired | Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	1,547	1,699
Eaton National Bank & Trust Co. [Member] | Financial Receivable Acquired Credit Impaired | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	784	892
Eaton National Bank & Trust Co. [Member] | Financial Receivable Acquired Credit Impaired | Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	336	402
BNB Bancorp, Inc [Member] | Financial Receivable Acquired Credit Impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	1,554	1,686
BNB Bancorp, Inc [Member] | Financial Receivable Acquired Credit Impaired | Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	0	0
BNB Bancorp, Inc [Member] | Financial Receivable Acquired Credit Impaired | Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	1,396	1,501
BNB Bancorp, Inc [Member] | Financial Receivable Acquired Credit Impaired | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	158	185
BNB Bancorp, Inc [Member] | Financial Receivable Acquired Credit Impaired | Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	0	0
Columbus First Bancorp, Inc. | Financial Receivable Acquired Credit Impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	4,336
Columbus First Bancorp, Inc. | Financial Receivable Acquired Credit Impaired | Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	406
Columbus First Bancorp, Inc. | Financial Receivable Acquired Credit Impaired | Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	2,554
Columbus First Bancorp, Inc. | Financial Receivable Acquired Credit Impaired | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	1,376
Columbus First Bancorp, Inc. | Financial Receivable Acquired Credit Impaired | Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	0
First Capital Bancshares, Inc. [Member] | Financial Receivable Acquired Credit Impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	1,742	1,815
First Capital Bancshares, Inc. [Member] | Financial Receivable Acquired Credit Impaired | Commercial & industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	13	20
First Capital Bancshares, Inc. [Member] | Financial Receivable Acquired Credit Impaired | Commercial, secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	818	848
First Capital Bancshares, Inc. [Member] | Financial Receivable Acquired Credit Impaired | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	911	947
First Capital Bancshares, Inc. [Member] | Financial Receivable Acquired Credit Impaired | Other loans, including deposit overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired	$ 0	$ 0