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ACQUISITIONS (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Island Bancorp, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Net interest income after provision for loan losses | $ 258,017 | $ 227,429 |
Net income | $ 90,025 | 78,150 |
New England Bancorp, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Net interest income after provision for loan losses |  | 228,927 | $ 221,252
Net income |  | $ 80,411 | $ 65,623

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- Definition Business Acquisition, Pro Forma Interest Income (Expense), after Provision for Loan Loss + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Details
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