Acquisition - Business Acquisition, Unaudited Proforma Result of Operation Information (Detail) - Central Bancorp, Inc [Member] $ / shares in Units, $ in Thousands |
12 Months Ended |
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Dec. 31, 2014
USD ($)
$ / shares
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| Business Acquisition [Line Items] | |
| Pro forma revenues (net interest income plus noninterest income) | $ | $ 225,120 |
| Pro forma net income from continuing operations | $ | $ 56,448 |
| Pro forma earnings per share from continuing operations: | |
| Basic (in usd per share) | $ / shares | $ 1.78 |
| Diluted (in usd per share) | $ / shares | $ 1.77 |
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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. No definition available.
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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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