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Condensed Financial Statements of Parent Company | 12 Months Ended
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Dec. 31, 2012
Condensed Financial Statements Of Parent Company [Abstract] |
Condensed Financial Statements of Parent Company | Note 13: Condensed Financial Statements of Parent Company Financial information pertaining only to NBI (Parent) is as follows: Condensed Balance Sheets
|  | December 31, |
|  | 2012 |  |  | 2011 |
Assets |  |  |  |  |  |
Cash due from subsidiaries |  | $ | 21 |  |  | $ | 2 |
Securities available for sale |  |  | 1,597 |  |  |  | 2,140 |
Investments in subsidiaries, at equity |  |  | 148,443 |  |  |  | 139,267 |
Refundable income taxes |  |  | 77 |  |  |  | --- |
Other assets |  |  | 635 |  |  |  | 570 |
Total assets |  | $ | 150,773 |  |  | $ | 141,979 |
Liabilities and Stockholders' Equity |  |  |  |  |  |  |  |
Other liabilities |  | $ | 664 |  |  | $ | 680 |
Stockholders' equity |  |  | 150,109 |  |  |  | 141,299 |
Total liabilities and stockholders' equity |  | $ | 150,773 |  |  | $ | 141,979 |
Condensed Statements of Income |  | Years Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Income |  |  |  |  |  |  |  |  |
Dividends from subsidiaries |  | $ | 7,639 |  |  | $ | 7,258 |  |  | $ | 6,309 |
Interest on securities – taxable |  |  | 5 |  |  |  | 17 |  |  |  | 23 |
Interest on securities – nontaxable |  |  | 33 |  |  |  | 42 |  |  |  | 44 |
Other income |  |  | 1,213 |  |  |  | 1,210 |  |  |  | 1,157 |
|  | $ | 8,890 |  |  | $ | 8,527 |  |  | $ | 7,533 |
Expenses |  |  |  |  |  |  |  |  |
Other expenses |  | $ | 1,791 |  |  | $ | 1,794 |  |  | $ | 1,756 |
Income before income tax benefit and equity in undistributed net income of subsidiaries |  |  | 7,099 |  |  |  | 6,733 |  |  |  | 5,777 |
Applicable income tax benefit |  |  | 136 |  |  |  | 148 |  |  |  | 152 |
Income before equity in undistributed net income of subsidiaries |  |  | 7,235 |  |  |  | 6,881 |  |  |  | 5,929 |
Equity in undistributed net income of subsidiaries |  |  | 10,512 |  |  |  | 10,757 |  |  |  | 9,640 |
Net income |  | $ | 17,747 |  |  | $ | 17,638 |  |  | $ | 15,569 |
Condensed Statements of Cash Flows |  | Years ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Cash Flows from Operating Expenses |  |  |  |  |  |  |  |  |
Net income |  | $ | 17,747 |  |  | $ | 17,638 |  |  | $ | 15,569 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed net income of subsidiaries |  |  | (10,512 | ) |  |  | (10,757 | ) |  |  | (9,640 | )
Amortization of premiums and accretion of discounts, net |  |  | 1 |  |  |  | 1 |  |  |  | 2 |
Depreciation expense |  |  | 12 |  |  |  | 9 |  |  |  | 9 |
Net change in refundable income taxes due from subsidiaries |  |  | 77 |  |  |  | --- |  |  |  | 56 |
Net change in other assets |  |  | (199 | ) |  |  | 147 |  |  |  | (24 | )
Net change in other liabilities |  |  | (124 | ) |  |  | (364 | ) |  |  | 244 |
Net cash provided by operating activities |  |  | 7,002 |  |  |  | 6,674 |  |  |  | 6,216 |
Cash Flows from Investing Activities |  |  |  |  |  |  |  |  |  |  |  |
Purchases of securities available for sale |  |  | (815 | ) |  |  | (1,973 | ) |  |  | (1,868 | )
Maturities and calls of securities available for sale |  |  | 1,352 |  |  |  | 2,250 |  |  |  | 1,950 |
Net cash provided by investing activities |  |  | 537 |  |  |  | 277 |  |  |  | 82 |
Cash Flows from Financing Activities |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  | (7,639 | ) |  |  | (6,938 | ) |  |  | (6,309 | )
Exercise of stock options |  |  | 119 |  |  |  | 92 |  |  |  | --- |
Capital distribution to subsidiary |  |  | --- |  |  |  | (105 | ) |  |  | --- |
Net cash used in financing activities |  |  | (7,520 | ) |  |  | (6,951 | ) |  |  | (6,309 | )
Net change in cash |  |  | 19 |  |  |  | --- |  |  |  | (11 | )
Cash due from subsidiaries at beginning of year |  |  | 2 |  |  |  | 2 |  |  |  | 13 |
Cash due from subsidiaries at end of year |  | $ | 21 |  |  | $ | 2 |  |  | $ | 2 |

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- Definition The entire disclosure for condensed financial information, including the financial position, cash flows, and the results of operations of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 06 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Paragraph c -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7656940&loc=d3e5283-111683 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24072-122690 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 24 -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. + Details
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