Securities (Tables)
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12 Months Ended |
Dec. 31, 2016 |
Investments, Debt and Equity Securities [Abstract] |
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Summary of Carrying Amount and Fair Value of Securities |
The carrying amount of securities and their approximate fair values are reflected in the following table: | | | | | | | | | | | | | | | | | | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Fair Value | December 31, 2016 | | | | | | | | US government agencies | $ | 17,803 |
| | $ | 52 |
| | $ | 32 |
| | $ | 17,823 |
| Residential mortgage-backed securities | 52,301 |
| | 3 |
| | 1,031 |
| | 51,273 |
| Mutual fund | 2,012 |
| | — |
| | 52 |
| | 1,960 |
| Total | $ | 72,116 |
| | $ | 55 |
| | $ | 1,115 |
| | $ | 71,056 |
| | | | | | | | | December 31, 2015 | | | | | | | | US government agencies | $ | 21,992 |
| | $ | 81 |
| | $ | 5 |
| | $ | 22,068 |
| Residential mortgage-backed securities | 30,131 |
| | 1 |
| | 374 |
| | 29,758 |
| Mutual fund | 1,951 |
| | — |
| | 15 |
| | 1,936 |
| Total | $ | 54,074 |
| | $ | 82 |
| | $ | 394 |
| | $ | 53,762 |
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Summary of Gross Unrealized Losses and Fair Value |
The following tables show gross unrealized losses and fair value, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position. | | | | | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | December 31, 2016 | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | US government agencies | $ | 6,508 |
| | $ | 32 |
| | $ | — |
| | $ | — |
| | $ | 6,508 |
| | $ | 32 |
| Residential mortgage-backed securities | 49,109 |
| | 1,017 |
| | 1,635 |
| | 14 |
| | 50,744 |
| | 1,031 |
| Mutual fund | 1,960 |
| | 52 |
| | — |
| | — |
| | 1,960 |
| | 52 |
| Total | $ | 57,577 |
| | $ | 1,101 |
| | $ | 1,635 |
| | $ | 14 |
| | $ | 59,212 |
| | $ | 1,115 |
| | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | December 31, 2015 | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | US government agencies | $ | 7,990 |
| | $ | 5 |
| | $ | — |
| | $ | — |
| | $ | 7,990 |
| | $ | 5 |
| Residential mortgage-backed securities | 26,015 |
| | 333 |
| | 3,019 |
| | 41 |
| | 29,034 |
| | 374 |
| Mutual fund | 1,936 |
| | 15 |
| | — |
| | — |
| | 1,936 |
| | 15 |
| Total | $ | 35,941 |
| | $ | 353 |
| | $ | 3,019 |
| | $ | 41 |
| | $ | 38,960 |
| | $ | 394 |
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Summary of Investment Securities by Maturity |
The following is a summary of investment securities by maturity: | | | | | | | | | | Available-for-sale | | Amortized cost | | Fair value | US government agencies | | | | Within one year | $ | 9,960 |
| | $ | 9,995 |
| One to five years | 7,843 |
| | 7,828 |
| Total | 17,803 |
| | 17,823 |
| | | | | Residential mortgage-backed securities | | | | Five to ten years | 9,213 |
| | 9,052 |
| After 10 years | 43,088 |
| | 42,221 |
| Total | 52,301 |
| | 51,273 |
| | | | | Total | $ | 70,104 |
| | $ | 69,096 |
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