Investment Securities Available-for-Sale - Schedule of Amortized Cost and Fair Value of Debt Securities Available-for-Sale, by Contractual Maturity (Detail) - USD ($)
$ in Thousands |
Sep. 30, 2015 |
Dec. 31, 2014 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Available-for-sale securities, Due in one year or less, Amortized Cost |
$ 0
|
|
| Available-for-sale securities, Due after one year through five years, Amortized Cost |
2,234
|
|
| Available-for-sale securities, Due after five years through ten years, Amortized Cost |
10,472
|
|
| Available-for-sale securities, Due after ten years, Amortized Cost |
19,649
|
|
| Available-for-sale securities, Single maturity, Amortized Cost |
32,355
|
|
| Available-for-sale securities, Without single maturity, Amortized Cost |
20,889
|
|
| Amortized Cost |
53,244
|
$ 48,094
|
| Available-for-sale securities, Due in one year or less, Fair Value |
0
|
|
| Available-for-sale securities, Due after one year through five years, Fair Value |
2,290
|
|
| Available-for-sale securities, Due after five years through ten years, Fair Value |
10,654
|
|
| Available-for-sale securities, Due after ten years, Fair Value |
19,814
|
|
| Available-for-sale securities, Single maturity, Fair Value |
32,758
|
|
| Available-for-sale securities, Without single maturity, Fair Value |
21,095
|
|
| Total available-for-sale securities, Fair Value |
53,853
|
48,818
|
| Mortgage-Backed Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Available-for-sale securities, Without single maturity, Amortized Cost |
18,551
|
|
| Amortized Cost |
18,551
|
20,676
|
| Available-for-sale securities, Without single maturity, Fair Value |
18,701
|
|
| Total available-for-sale securities, Fair Value |
18,701
|
20,902
|
| Collateralized Mortgage Obligations (CMOs) [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Available-for-sale securities, Without single maturity, Amortized Cost |
1,867
|
|
| Amortized Cost |
1,867
|
2,364
|
| Available-for-sale securities, Without single maturity, Fair Value |
1,909
|
|
| Total available-for-sale securities, Fair Value |
1,909
|
2,391
|
| Equity Securities, Financial Services [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Available-for-sale securities, Without single maturity, Amortized Cost |
471
|
|
| Amortized Cost |
471
|
471
|
| Available-for-sale securities, Without single maturity, Fair Value |
485
|
|
| Total available-for-sale securities, Fair Value |
$ 485
|
$ 495
|