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Acquisition of IA Bancorp, Inc. (Summary of Fair Value Adjustments of Loans Acquired) (Details) $ in Thousands | Jun. 30, 2018 USD ($)
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Acquisition of IA Bancorp, Inc. [Abstract] |
Gross principle balance | $ 191,997
Fair value adjustment on pools of homogeneous loans | (5,895)
Fair value adjustment on acquired impaired loans | (3,575)
Fair value of acquired loans | $ 182,527

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