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ACQUISITIONS (Details) $ in Thousands | Feb. 03, 2017 USD ($) | Oct. 24, 2016 USD ($) Branch Location
--- | --- | ---
Merchants Bancshares, Inc. [Member] |  |
Business Acquisition [Line Items] |  |
Purchase price of acquisition |  | $ 335,000
Deposits to be acquired |  | 1,500,000
Assets acquired |  | $ 2,000,000
Merchants Bancshares, Inc. [Member] | VERMONT [Member] |  |
Business Acquisition [Line Items] |  |
Number of branch locations to be added upon merger | Branch |  | 31
Merchants Bancshares, Inc. [Member] | MASSACHUSETTS [Member] |  |
Business Acquisition [Line Items] |  |
Number of branch locations to be added upon merger | Location |  | 1
Northeast Retirement Services, Inc. [Member] |  |
Business Acquisition [Line Items] |  |
Purchase price of acquisition | $ 148,556 |
Tangible assets, net | $ 36,400 |
Factor of straight-line rate of depreciation used in declining balance depreciation method | 150.00% |
Period of amortization | 10 years |
Deferred tax liability | $ 24,200 |
Revenues earned | 5,100 |
Expenses incurred | $ 3,600 |

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