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Business Combinations - Summary of Purchased Credit-Impaired Loans at Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified |
0 Months Ended | |
|---|---|---|
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Dec. 15, 2014
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Dec. 31, 2014
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| Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract] | ||
| Contractually required principal and interest payments | $ 11,956 | |
| Non-accretable difference | 2,929 | |
| Cash flows expected to be collected | 9,027 | |
| Accretable discount | 0 | |
| Fair value of loans acquired with a deterioration of credit quality | $ 9,027 | $ 1,480 |