BUSINESS COMBINATIONS (Details) - USD ($) $ in Thousands	1 Months Ended
	Jun. 19, 2015	Feb. 14, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill Recorded on Acquisition			$ 98,445	$ 9,450	$ 2,034
CNB
Business Acquisition [Line Items]
Cash and due from banks	$ 24,628
Securities	90,109
Loans	733,986
Bank Owned Life Insurance	21,445
Premises and equipment	6,398
Other intangible assets	6,698
Other assets	16,666
Total Assets Acquired	899,930
Deposits	786,853
Federal Home Loan Bank term advances	35,581
Other liabilities and accrued expenses	8,988
Total Liabilities Assumed	831,422
Net Assets Acquired	68,508
Consideration Paid	157,503
Goodwill Recorded on Acquisition	88,995
CNB | As Initially Reported
Business Acquisition [Line Items]
Cash and due from banks	24,628
Securities	90,109
Loans	736,348
Bank Owned Life Insurance	21,445
Premises and equipment	6,398
Other intangible assets	6,698
Other assets	14,484
Total Assets Acquired	900,110
Deposits	786,853
Federal Home Loan Bank term advances	35,581
Other liabilities and accrued expenses	5,647
Total Liabilities Assumed	828,081
Net Assets Acquired	72,029
Consideration Paid	157,503
Goodwill Recorded on Acquisition	$ 85,474
CNB | Measurement Period Adjustments
Business Acquisition [Line Items]
Cash and due from banks
Securities
Loans	$ (2,362)
Bank Owned Life Insurance
Premises and equipment
Other intangible assets
Other assets	$ 2,182
Total Assets Acquired	$ (180)
Deposits
Federal Home Loan Bank term advances
Other liabilities and accrued expenses	$ 3,341
Total Liabilities Assumed	3,341
Net Assets Acquired	$ (3,521)
Consideration Paid
Goodwill Recorded on Acquisition	$ 3,521
FNBNY
Business Acquisition [Line Items]
Cash and due from banks		$ 1,883
Interest earning deposits with banks		1,044
Securities		103,192
Loans		89,714
Premises and equipment		1,787
Core deposit intangible		951
Other assets		13,378
Total Assets Acquired		211,949
Deposits		169,873
Federal Home Loan Bank term advances		39,282
Unsecured debt		1,450
Other liabilities and accrued expenses		2,620
Total Liabilities Assumed		213,225
Net Assets Acquired		(1,276)
Consideration Paid		6,140
Goodwill Recorded on Acquisition		$ 7,416