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Business Combination - Schedule of Calculation of Goodwill (Detail) (USD $) In Thousands, except Share data, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2013
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Nov. 01, 2013
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Dec. 31, 2012
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| Purchase Price: |
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| Union common shares outstanding |
2,703,840 |
2,703,840 |
1,716,316 |
| Riverview common stock issued |
2,703,840 |
987,524 |
1,750,003 |
| Purchase price assigned to shares exchanged for stock |
$ 10,152 |
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| Total Purchase Price |
10,153 |
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| Loans: |
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| Allowance for loan losses |
1,427 |
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| Core deposit intangible |
1,264 |
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| Premises and equipment |
519 |
1,660 |
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| Reversal of old purchase account marks and deferred fees/costs |
(142) |
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| Miscellaneous assets and liabilities |
(780) |
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| Deferred tax asset |
1,495 |
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| Decrease to reflect liabilities acquired at fair value: |
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| Time deposits |
(379) |
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| Net assets acquired |
10,782 |
(10,782) |
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| Bargain purchase price gain resulting from consolidation |
629 |
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Interest Rate Fair Value [Member]
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| Loans: |
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| Loans |
268 |
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General Credit Fair Value Mark [Member]
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| Loans: |
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| Loans |
(795) |
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Specific Credit Fair Value Mark [Member]
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| Loans: |
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| Loans |
(1,705) |
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Union Bank [Member]
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| Purchase Price: |
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| Union common shares outstanding |
506,513 |
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| Exchange ratio |
1.95 |
1.95 |
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| Union fractional shares exchanged for cash |
176 |
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| Purchase price paid to each Union common share exchanged for cash |
$ 10.75 |
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| Purchase price assigned to each Union common share exchanged for cash |
1 |
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| Net Assets Acquired: |
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| Union common shareholders' equity |
$ 9,610 |
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Riverview Bank [Member]
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| Purchase Price: |
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| Exchange ratio |
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1.00 |
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| Riverview common stock issued |
987,524 |
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| Fair market value of Riverview common share |
$ 10.28 |
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