Acquisition - Business Acquisition, Unaudited Proforma Result of Operation Information (Detail) - Central Bancorp, Inc [Member] - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Loans At Acquisition Date [Line Items] | ||||
| Pro forma revenues (net interest income plus noninterest income) | $ 53,491 | $ 49,343 | $ 107,022 | $ 105,589 |
| Pro forma net income from continuing operations | $ 15,276 | $ 8,521 | $ 27,887 | $ 24,801 |
| Pro forma earnings per share from continuing operations: | ||||
| Basic (in usd per share) | $ 0.48 | $ 0.27 | $ 0.88 | $ 0.78 |
| Diluted (in usd per share) | $ 0.48 | $ 0.27 | $ 0.87 | $ 0.78 |
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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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