XML 43 R15.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Securities | 9 Months Ended
--- | ---
Sep. 30, 2012
Securities [Abstract] |
Securities | Note 5: Securities The amortized costs, gross unrealized gains, gross unrealized losses and fair values for securities available for sale by major security type as of September 30, 2012 are as follows.
|  | September 30, 2012 |
|  | Amortized Costs |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Values |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury |  | $ | 2,006 |  |  | $ | 86 |  |  | $ | --- |  |  | $ | 2,092 |
U.S. Government agencies |  |  | 126,960 |  |  |  | 1,343 |  |  |  | 684 |  |  |  | 127,619 |
Mortgage-backed securities |  |  | 4,842 |  |  |  | 455 |  |  |  | --- |  |  |  | 5,297 |
States and political subdivisions |  |  | 38,253 |  |  |  | 2,006 |  |  |  | 3 |  |  |  | 40,256 |
Corporate |  |  | 18,215 |  |  |  | 494 |  |  |  | 21 |  |  |  | 18,688 |
Federal Home Loan Bank stock |  |  | 1,596 |  |  |  | --- |  |  |  | --- |  |  |  | 1,596 |
Federal Reserve Bank stock |  |  | 92 |  |  |  | --- |  |  |  | --- |  |  |  | 92 |
Other securities |  |  | 2,574 |  |  |  | 36 |  |  |  | 171 |  |  |  | 2,439 |
Total |  | $ | 194,538 |  |  | $ | 4,420 |  |  | $ | 879 |  |  | $ | 198,079 |
The amortized costs, gross unrealized gains, gross unrealized losses and fair values for securities held to maturity by major security type as of September 30, 2012 are as follows.
|  | September 30, 2012 |
|  | Amortized Costs |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Values |
Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agencies |  | $ | 12,992 |  |  | $ | 568 |  |  | $ | 25 |  |  | $ | 13,535 |
Mortgage-backed securities |  |  | 736 |  |  |  | 87 |  |  |  | --- |  |  |  | 823 |
States and political subdivisions |  |  | 147,348 |  |  |  | 9,962 |  |  |  | 168 |  |  |  | 157,142 |
Corporate |  |  | 652 |  |  |  | 11 |  |  |  | --- |  |  |  | 663 |
Total |  | $ | 161,728 |  |  | $ | 10,628 |  |  | $ | 193 |  |  | $ | 172,163 |
Information pertaining to securities with gross unrealized losses at September 30, 2012 and December 31, 2011, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows.
|  | September 30, 2012 |
|  | Less Than 12 Months |  |  | 12 Months or More |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agencies and corporations |  | $ | 41,282 |  |  | $ | 709 |  |  | $ | --- |  |  | $ | --- |
States and political subdivisions |  |  | 10,814 |  |  |  | 168 |  |  |  | 536 |  |  |  | 3 |
Corporate debt securities |  |  | --- |  |  |  | --- |  |  |  | 1,979 |  |  |  | 21 |
Other |  |  | --- |  |  |  | --- |  |  |  | 133 |  |  |  | 171 |
Total temporarily Impaired Securities |  | $ | 52,096 |  |  | $ | 877 |  |  | $ | 2,648 |  |  | $ | 195 |
|  | December 31, 2011 |
|  | Less Than 12 Months |  |  | 12 Months or More |
|  | Fair Value |  |  | Unrealized Loss |  |  |  | Fair Value |  |  | Unrealized Loss |
Temporarily Impaired Securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agencies and corporations |  | $ | 6,230 |  |  | $ | 20 |  |  | $ | --- |  |  | $ | --- |
States and political subdivisions |  |  | 3,527 |  |  |  | 19 |  |  |  | 981 |  |  |  | 26 |
Corporate debt securities |  |  | 4,916 |  |  |  | 97 |  |  |  | --- |  |  |  | --- |
Other |  |  | --- |  |  |  | --- |  |  |  | 142 |  |  |  | 162 |
Total Temporarily Impaired Securities |  | $ | 14,673 |  |  | $ | 136 |  |  | $ | 1,123 |  |  | $ | 188 |
The Company had 62 securities with a fair value of $54,744 which were temporarily impaired at September 30, 2012. The total unrealized loss on these securities was $1,072. Of the temporarily impaired total, five securities with a fair value of $2,648 and an unrealized loss of $196 have been in a continuous loss position for twelve months or more. The Company has determined that these securities are temporarily impaired at September 30, 2012 for the reasons set out below. U.S. Government agencies. The unrealized losses in this category of investments were caused by interest rate and market fluctuations. The contractual terms of the investments do not permit the issuer to settle the securities at a price less than the cost basis of each investment. Because the Company does not intend to sell any of the investments and it is not likely that the Company will be required to sell any of these investments before recovery of its amortized cost basis, which may be at maturity, the Company does not consider these investments to be other-than-temporarily impaired. States and political subdivisions. This category's unrealized losses are primarily the result of interest rate and market fluctuations and also a certain few ratings downgrades brought about by the impact of the economic downturn on states and political subdivisions. The contractual terms of the investments do not permit the issuer to settle the securities at a price less than the cost basis of each investment. Because the Company does not intend to sell any of the investments and it is not likely that the Company will be required to sell any of the investments before recovery of its amortized cost basis, which may be at maturity, the Company does not consider these investments to be other-than-temporarily impaired. Corporate debt securities. The Company's unrealized losses in corporate debt securities are related to interest rate and market fluctuations and to ratings downgrades for a limited number of securities. The contractual terms of the investments do not permit the issuer to settle the securities at a price less than the cost basis of each investment. Because the Company does not intend to sell any of the investments before recovery of its amortized cost basis, which may be at maturity, the Company does not consider these investments to be other-than-temporarily impaired. Other. The Company holds an investment in an LLC and a small amount of community bank stock. The value of these investments has been negatively affected by market conditions. Because the Company does not intend to sell these investments before recovery of amortized cost basis, the Company does not consider these investments to be other-than-temporarily impaired. As a member of the Federal Reserve and the Federal Home Loan Bank ("FHLB") of Atlanta, NBB is required to maintain certain minimum investments in the common stock of those entities. Required levels of investment are based upon NBB's capital and a percentage of qualifying assets. In addition, NBB is eligible to borrow from the FHLB with borrowings collateralized by qualifying assets, primarily residential mortgage loans and NBB's capital stock investment in the FHLB. Redemption of FHLB stock is subject to certain limitations and conditions. At its discretion, the FHLB may declare dividends on the stock. Management reviews for impairment based upon the ultimate recoverability of the cost basis of the FHLB stock, and at September 30, 2012, management did not consider there to be any impairment. Management regularly monitors the credit quality of the investment portfolio. Changes in ratings are noted and follow-up research on the issuer is undertaken when warranted. Management intends to carefully follow any changes in bond quality. Refer to "Securities" in this report for additional information.

X
- Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 3, 19, 20, 21, 22, 137 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration