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Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013
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Summary of intangible assets |
Gross Carrying Amount | $ 19,953
Accumulated Amortization | (8,358)
Net Carrying Amount | 11,595
Core deposit intangibles [Member] |
Summary of intangible assets |
Gross Carrying Amount | 13,473
Accumulated Amortization | (6,171)
Net Carrying Amount | 7,302
Customer relationship intangibles [Member] |
Summary of intangible assets |
Gross Carrying Amount | 5,657
Accumulated Amortization | (2,073)
Net Carrying Amount | 3,584
Mortgage Servicing Intangibles [Member] |
Summary of intangible assets |
Gross Carrying Amount | 823
Accumulated Amortization | (114)
Net Carrying Amount | $ 709

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