|
Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Securities Available-For-Sale (Detail) (USD $)
In Thousands, unless otherwise specified
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Dec. 31, 2014
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Dec. 31, 2013
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| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Investment securities available-for-sale, Amortized Cost |
$ 33,632 |
$ 47,532 |
| Investment securities available-for-sale, Estimated Fair Value |
34,932 |
47,979 |
| Municipal and U.S. Treasury securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| 0 to 5 years, Amortized Cost |
1,501 |
|
| 5 to 10 years, Amortized Cost |
1,047 |
|
| Over 10 years, Amortized Cost |
3,361 |
|
| 0 to 5 years, Fair Value |
1,501 |
|
| 5 to 10 years, Fair Value |
1,101 |
|
| Over 10 years, Fair Value |
3,580 |
|
| Mortgage-Backed Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Investment securities available-for-sale, Amortized Cost |
27,723 |
|
| Investment securities available-for-sale, Amortized Cost |
27,723 |
33,123 |
| Investment securities available-for-sale, Estimated Fair Value |
28,750 |
|
| Investment securities available-for-sale, Estimated Fair Value |
$ 28,750 |
$ 33,742 |