Basis Of Presentation	6 Months Ended
Jun. 30, 2011
Basis Of Presentation
Basis Of Presentation	1. Basis of Presentation Nature of Operations FNB United Corp. ("FNB United") is a bank holding company incorporated under the laws of the State of North Carolina in 1984. On July 2, 1985, through an exchange of stock, FNB United acquired a wholly owned subsidiary, CommunityONE Bank, National Association (the "Bank"), a national banking association founded in 1907 and formerly known as First National Bank and Trust Company. The Bank owns three subsidiaries: Dover Mortgage Company ("Dover"), First National Investor Services, Inc., and Premier Investment Services, Inc. Premier is inactive. Dover previously engaged in the business of originating, underwriting and closing mortgage loans for sale in the secondary market. All of its wholesale operations and its retail mortgage origination business for properties located outside of North Carolina were closed in February 2011. Dover ceased its remaining operations on March 17, 2011. Through the Bank, FNB United offers a complete line of consumer, mortgage and business banking services, including loan, deposit, cash management, investment management and trust services, to individual and business customers. The Bank has offices in Alamance, Alexander, Ashe, Catawba, Chatham, Gaston, Guilford, Iredell, Mecklenburg, Montgomery, Moore, Orange, Randolph, Richmond, Rowan, Scotland, Watauga and Wilkes counties in North Carolina. General The accompanying consolidated financial statements, prepared without audit, include the accounts of FNB United and its subsidiary (collectively, the "Company"). All significant intercompany balances and transactions have been eliminated. Descriptions of the organization and business of FNB United, accounting policies followed by the Company and other relevant information are contained in the Company's 2010 Annual Report on Form 10-K, as amended by its Amendment No. 1 to the Annual Report filed on Form 10-K/A, including the notes to the consolidated financial statements filed as part of that report. This quarterly report should be read in conjunction with that Annual Report. In the opinion of management, the accompanying condensed consolidated financial statements contain all the adjustments, all of which are normal recurring adjustments, necessary to present fairly the financial position of the Company as of June 30, 2011 and December 31, 2010, and the results of its operations and cash flows for the three and six months ended June 30, 2011 and 2010. All financial information is reported on a continuing operations basis, unless otherwise noted. See Note 2 to the consolidated financial statements for a discussion regarding discontinued operations and certain assets and liabilities at June 30, 2011 and December 31, 2010. Subsequent Events Subsequent events are events or transactions that occur after the balance sheet date but before financial statements are issued. Recognized subsequent events are events or transactions that provide additional evidence about conditions that existed at the date of the balance sheet, including the estimates inherent in the process of preparing financial statements. Non-recognized subsequent events are events that provide evidence about conditions that did not exist at the date of the balance sheet but arose after that date. Management has reviewed events occurring through the date of this filing and has concluded that no subsequent events have occurred requiring accrual or disclosure in addition to that included herein. See Note 22 for additional information concerning subsequent events. Use of Estimates The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Operating results for the three- and six-month periods ending June 30, 2011 are not necessarily indicative of the results that may be expected for the year ending December 31, 2011 or future periods. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the consolidated financial statements have been included. Reclassifications Certain reclassifications have been made to the prior period consolidated financial statements to place them on a comparable basis with the current period consolidated financial statements. These reclassifications have no effect on net income or shareholders' equity as previously reported. Risk and Uncertainties In the normal course of business, the Company encounters two significant types of risk: economic and regulatory. There are three main components of economic risk: credit risk, market risk, and concentration of credit risk. Credit risk is the risk of default on the Company's loan and investment portfolios that results from borrowers' inability or unwillingness to make contractually required payments. Market risk includes primarily interest rate risk. The Company is exposed to interest rate risk to the degree that its interest-bearing liabilities mature or reprice at different speeds, or different bases, than its interest-earning assets. Market risk also reflects the risk of declines in the valuation of assets and liabilities and in the value of the collateral underlying loans and the value of real estate held by the Company. Concentration of credit risk refers to the risk that, if the Company extends a significant portion of its total outstanding credit to borrowers in a specific geographical area or industry or on the security of a specific form of collateral, the Company may experience disproportionately high levels of defaults and losses if those borrowers, or the value of such type of collateral, are adversely affected by economic or other factors that are particularly applicable to such borrowers or collateral. Concentration of credit risk is also similarly applicable to the investment securities portfolio. The Bank is subject to the regulations of various government agencies. These regulations may change significantly from period to period. The Bank also undergoes periodic examinations by regulatory agencies, which may subject the Bank to changes with respect to asset valuations, amount of required allowance for loan losses, lending requirements, capital levels, or operating restrictions.

1. Basis of Presentation

Nature of Operations

FNB United Corp. ("FNB United") is a bank holding company incorporated under the laws of the State of North Carolina in 1984. On July 2, 1985, through an exchange of stock, FNB United acquired a wholly owned subsidiary, CommunityONE Bank, National Association (the "Bank"), a national banking association founded in 1907 and formerly known as First National Bank and Trust Company. The Bank owns three subsidiaries: Dover Mortgage Company ("Dover"), First National Investor Services, Inc., and Premier Investment Services, Inc. Premier is inactive. Dover previously engaged in the business of originating, underwriting and closing mortgage loans for sale in the secondary market. All of its wholesale operations and its retail mortgage origination business for properties located outside of North Carolina were closed in February 2011. Dover ceased its remaining operations on March 17, 2011. Through the Bank, FNB United offers a complete line of consumer, mortgage and business banking services, including loan, deposit, cash management, investment management and trust services, to individual and business customers. The Bank has offices in Alamance, Alexander, Ashe, Catawba, Chatham, Gaston, Guilford, Iredell, Mecklenburg, Montgomery, Moore, Orange, Randolph, Richmond, Rowan, Scotland, Watauga and Wilkes counties in North Carolina.

General

The accompanying consolidated financial statements, prepared without audit, include the accounts of FNB United and its subsidiary (collectively, the "Company"). All significant intercompany balances and transactions have been eliminated. Descriptions of the organization and business of FNB United, accounting policies followed by the Company and other relevant information are contained in the Company's 2010 Annual Report on Form 10-K, as amended by its Amendment No. 1 to the Annual Report filed on Form 10-K/A, including the notes to the consolidated financial statements filed as part of that report. This quarterly report should be read in conjunction with that Annual Report.

In the opinion of management, the accompanying condensed consolidated financial statements contain all the adjustments, all of which are normal recurring adjustments, necessary to present fairly the financial position of the Company as of June 30, 2011 and December 31, 2010, and the results of its operations and cash flows for the three and six months ended June 30, 2011 and 2010.

All financial information is reported on a continuing operations basis, unless otherwise noted. See Note 2 to the consolidated financial statements for a discussion regarding discontinued operations and certain assets and liabilities at June 30, 2011 and December 31, 2010.

Subsequent Events

Subsequent events are events or transactions that occur after the balance sheet date but before financial statements are issued. Recognized subsequent events are events or transactions that provide additional evidence about conditions that existed at the date of the balance sheet, including the estimates inherent in the process of preparing financial statements. Non-recognized subsequent events are events that provide evidence about conditions that did not exist at the date of the balance sheet but arose after that date. Management has reviewed events occurring through the date of this filing and has concluded that no subsequent events have occurred requiring accrual or disclosure in addition to that included herein. See Note 22 for additional information concerning subsequent events.

Use of Estimates

The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Operating results for the three- and six-month periods ending June 30, 2011 are not necessarily indicative of the results that may be expected for the year ending December 31, 2011 or future periods. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the consolidated financial statements have been included.

Reclassifications

Certain reclassifications have been made to the prior period consolidated financial statements to place them on a comparable basis with the current period consolidated financial statements. These reclassifications have no effect on net income or shareholders' equity as previously reported.

Risk and Uncertainties

In the normal course of business, the Company encounters two significant types of risk: economic and regulatory. There are three main components of economic risk: credit risk, market risk, and concentration of credit risk. Credit risk is the risk of default on the Company's loan and investment portfolios that results from borrowers' inability or unwillingness to make contractually required payments. Market risk includes primarily interest rate risk. The Company is exposed to interest rate risk to the degree that its interest-bearing liabilities mature or reprice at different speeds, or different bases, than its interest-earning assets. Market risk also reflects the risk of declines in the valuation of assets and liabilities and in the value of the collateral underlying loans and the value of real estate held by the Company. Concentration of credit risk refers to the risk that, if the Company extends a significant portion of its total outstanding credit to borrowers in a specific geographical area or industry or on the security of a specific form of collateral, the Company may experience disproportionately high levels of defaults and losses if those borrowers, or the value of such type of collateral, are adversely affected by economic or other factors that are particularly applicable to such borrowers or collateral. Concentration of credit risk is also similarly applicable to the investment securities portfolio.

The Bank is subject to the regulations of various government agencies. These regulations may change significantly from period to period. The Bank also undergoes periodic examinations by regulatory agencies, which may subject the Bank to changes with respect to asset valuations, amount of required allowance for loan losses, lending requirements, capital levels, or operating restrictions.