Document And Entity Information [Abstract] Document Information [Table] Class of Stock [Axis] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Trading Symbol Entity Common Stock, Shares Outstanding Marketable Securities [Abstract] Cash, Cash Equivalents, and Marketable Securities [Text Block] Cash, Cash Equivalents, and Marketable Securities [Text Block] Share-Based Compensation [Abstract] Statement [Table] Legal Entity [Axis] Entity [Domain] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise Price One [Member] Exercise Price Range One [Member] Exercise Price Two [Member] Exercise Price Range Two [Member] Option Indexed to Issuer's Equity, Type [Axis] Statement [Line Items] Plan Name [Axis] Plan Name [Domain] Twenty Zero Five Plan [Member] 2005 Plan [Member] Twenty Eleven Plan [Member] 2011 Plan [Member] Award Type [Axis] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] Prior To Merger [Axis] Allowance For Loan And Lease Losses Provision For Net Loss [Abstract] Allowance For Credit Losses [Text Block] Allowance for Credit Losses [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Disclosure [Text Block] Statement Of Financial Position [Abstract] Class of Stock [Domain] Assets [Abstract] Assets Assets: Cash and Due from Banks, Total Cash and due from banks Cash and due from banks Cash and due from banks, beginning of period Cash and due from banks, end of period Federal Funds Sold and Deposits With Banks Federal funds sold and interest-bearing deposits with banks Cash and Cash Equivalents, at Carrying Value, Total Total cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and cash equivalents Available-for-sale Securities, Current, Total Securities available for sale, at fair market value Held-to-maturity Securities Securities held to maturity, at cost (fair value $37,675 and $25,694 at March 31, 2016 and December 31, 2015, respectively) Amortized Cost Total Securities held to maturity Trading Securities, Restricted Restricted securities Loans Receivable Held-for-sale, Amount Loans held for sale Loans Receivable, Net, Total Loans net of allowance for loan losses of $866 and $823, at March 31, 2016 and December 31, 2015, respectively Property, Plant and Equipment, Net, Total Premises and equipment, net Total premises and equipment, net Interest Receivable Accrued interest receivable Interest receivable Other Real Estate, Foreclosed Assets, and Repossessed Assets, Total Other real estate owned, net of valuation allowance Other Assets Other assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities and capital: Deposits [Abstract] Deposits Noninterest-bearing Deposit Liabilities, Total Non-interest bearing Demand deposits Demand Deposit Accounts Savings and interest-bearing demand Savings and interest-bearing demand deposits Time Deposits Time deposits Balance at December 31, 2015 Deposits, Total Total deposits Deposits, Total Accrued Liabilities and Other Liabilities, Total Accrued expenses and other liabilities Federal Home Loan Bank Borrowings, Fair Value Disclosure FHLB borrowings FHLB Borrowings Liabilities, Total Total liabilities Liabilities Commitments and Contingencies Commitments and contingencies Preferred Stock, Value, Issued Preferred stock, 2,000 shares authorized, $0.01 par value, none issued and outstanding Common Stock, Value, Issued Common Stock Value Common stock Additional Paid in Capital, Total Additional paid-in capital Additional paid-in capital Retained Earnings (Accumulated Deficit), Total Retained deficit Retained deficit Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive loss Accumulated other comprehensive loss Stockholders Equity, Including Portion Attributable to Noncontrolling Interest, Total Total stockholders' equity Balance Balance Stockholders' Equity Attributable To Parent [Abstract] Stockholders' equity Fair Value Disclosures [Abstract] Fair Value, Measurement Inputs, Disclosure [Text Block] Fair Value, Measurement Inputs, Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other Comprehensive Income, Noncontrolling Interest [Text Block] Other Comprehensive Income, Noncontrolling Interest [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Accounting, Policy [Policy Text Block] Business Combination, Description [Abstract] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Available-For-Sale Securities [Table Text Block] Available-for-sale Securities [Table Text Block] Held-to-maturity Securities [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of Unrealized Loss on Investments [Table Text Block] Held-to-maturity Securities, Fair Value Fair Value Total Loans and Leases Receivable, Allowance Allowance for loan losses Allowance for loan losses Beginning balance Ending balance Ending balance Ending balance Preferred Stock, Shares Authorized Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Common Stock, Shares Authorized Common Stock, Shares Authorized Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Schedule Of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule Of Loans Acquired In Business Combination [Table Text Block] Schedule Of Loans Acquired In Business Combination [Table Text Block] Tabular disclosure of loans acquired in business combination. Summary of Changes to Accretable and Non Accretable Discounts [Table Text Block] Summary Of Changes To Accretable and Non Accretable Discounts [Table Text Block] Tabular disclosure of summary of changes to the accretable and nonaccretable discounts during the period. Financing Receivable Credit Quality Indicators [Table Text Block] Financing Receivable Credit Quality Indicators [Table Text Block] Past Due Financing Receivables [Table Text Block] Past Due Financing Receivables [Table Text Block] Schedule Of Financing Receivables, Non Accrual Status [Table Text Block] Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Impaired Financing Receivables [Table Text Block] Impaired Financing Receivables [Table Text Block] Summary Of Allowance For Loan Losses By Portfolio Segment [Table Text Block] Summary Of Allowance For Loan Losses By Portfolio Segment [Table Text Block] Tabular disclosure of summary of the allowance for loan losses by portfolio segment and impairment evaluation methodology. Troubled Debt Restructurings on Financing Receivables [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule Of Carrying Values and Estimated Fair Values Of Debt Instruments [Table Text Block] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Fair Value, Assets Measured On Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Income Statement [Abstract] Interest Income (Expense), Net [Abstract] Interest income Interest and Fee Income, Loans and Leases Held-in-portfolio, Total Interest and fees on loans Investment Income, Net, Total Investment securities Interest Income, Federal Funds Sold Federal funds sold and deposits with banks Interest and Dividend Income, Operating, Total Total interest income Interest income Interest Expense [Abstract] Interest expense Interest Expense, Deposits, Total Interest on deposits Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Short-Term Interest on FHLB borrowings Interest Expense, Total Total interest expense Interest Income (Expense), Net, Total Net interest income Recovery Of Provision For Loan Losses Provision for (recovery of) loan losses Amount of (Recovery of) provision for loan losses. Noninterest Income [Abstract] Non-interest income (loss) Bank Servicing Fees Service charges on deposit accounts Available-for-sale Securities, Gross Realized Gain (Loss) Net gain on sale of available for sale securities Net gain on available for securities Realized gains on sales of available for sale securities Gain (Loss) on Sales of Loans, Net Realized and unrealized gains (losses) on loans held for sale Realized and unrealized (gains) losses on loans held for sale Fees and Commissions, Other Other income Noninterest Expense [Abstract] Non-interest expense Labor and Related Expense Salaries and employee benefits Legal Fees Professional services Occupancy, Net Occupancy Information Technology and Data Processing Data processing and communications Federal Deposit Insurance Corporation Premium Expense FDIC assessment and bank fees Franchise Costs Bank franchise taxes Loan Portfolio Expense Student loan servicing fees and other loan expenses Other Expense from Real Estate Partnership Operations Other real estate expenses, net Supplies Expense Supplies and equipment Insurance Tax Insurance Noninterest Expense Directors Fees Director's fees Marketing and Advertising Expense, Total Marketing and business development Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Total Loss on sale of subsidiary Other Cost and Expense, Operating Other operating expenses Noninterest Expense, Total Total non-interest expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest, Total Net income (loss) before income taxes Income Tax Expense (Benefit) Income taxes Total tax expense Comprehensive Income (Loss) [Table Text Block] Title of Individual [Axis] Relationship to Entity [Domain] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Range [Axis] Range [Domain] Bank Of Virginia [Member] Equity Method Investments Equity Method Investments Business Acquisition, Share Price Business Acquisition, Share Price Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Percentage of Voting Interests Acquired Sale Of Stock, Price Per Share Sale of Stock, Price Per Share Business Acquisition Share Issued Per Share Of Minority Share Of Acquiree Business Acquisition Share Issued Per Share Of Minority Share Of Acquire Common stock Share issued per share of minority share of acquire. Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Domain] Loans [Member] Loans [Member] Property, Plant and Equipment, Other Types [Member] Premises and equipment [Member] Core Deposits [Member] Core Deposit Intangible [Member] Capital Lease Obligations [Member] Building Lease Obligations [Member] Business Combination Net Impact To Net Income Net impact to net income (loss) The net impact to net income in business combination. Financial Instrument [Axis] Financial Instruments [Domain] Investment Type [Axis] Investments [Domain] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Schedule of Available-for-sale Securities [Table] Summary of Investments, Other than Investments in Related Parties, by Type [Axis] Summary of Investments, by Type [Domain] US Treasury and Government [Member] U.S. Government Agencies [Member] Mortgage-Backed Securities, Issued By Private Enterprises [Member] Agency Guaranteed Mortgage- Backed Securities [Member] Schedule of Available-for-sale Securities [Line Items] Available-for-sale Securities, Amortized Cost Basis, Total Amortized Cost Available-for-sale Securities, Gross Unrealized Gain, Total Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Loss, Total Gross Unrealized Losses Available-for-sale Securities Fair Value Total Securities available for sale Equity Components [Axis] Equity Component [Domain] Net Income (Loss) Attributable to Parent, Total Net income (loss) Net income (loss) Net income (loss) Net income (loss) Net income (loss) attributable to Company Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized securities gains (losses) arising during period Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Less: Reclassification adjustment for net securities gains included in net income (loss) Other Comprehensive Income Loss Amortization of available for sale to held to maturiy reclassification adjustment Add: Amortization of unrealized losses for securities transferred from available for sale to held to maturity Amortization of unrealized losses transferred from AFS to HTM reclassification adjustment Amount of amortization of available for sale to held to maturity reclassification adjustment. Other Comprehensive Income (Loss), Net of Tax, Total Total other comprehensive income Other comprehensive loss Net current period other comprehensive income Held-to-maturity Securities, Unrecognized Holding Gain Gross Unrealized Gains Held-to-maturity Securities, Unrecognized Holding Loss Gross Unrealized Losses Available-For-Sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Available For Sale Securities, Amortized Cost Available-For-Sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Over five years within ten years Available-For-Sale Securities, Debt Maturities, After Ten Years, Amortized Cost Basis Over ten years Available-for-sale Debt Securities, Amortized Cost Basis Total Available-For-Sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Available For Sale Securities, Fair Value