Document And Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Statement [Line Items] 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 Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Public Float Entity Current Reporting Status Entity Voluntary Filers Consolidated Balance Sheets [Abstract] Assets Cash and due from banks Cash and due from banks Cash and Due from Banks, Total Interest bearing deposits with banks Interest bearing deposits with banks Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year Cash and cash equivalents Available-for-sale Securities Investment securities available for sale, at fair value (amortized cost of $269,611 and $315,587 as of December 31, 2011 and December 31, 2010 respectively) Available-for-sale Securities, Total Loans Receivable Held-for-sale, Net Loans Receivable Held-for-sale, Net, Ending Balance Loans Receivable Held-for-sale, Net, Beginning Balance Loans held for sale Loans Receivable Held-for-sale, Net, Total Loans and Leases Receivable, Net of Deferred Income Total recorded investment in loans Portfolio loans and leases Loans and Leases Receivable, Net of Deferred Income, Total Total Loans Less: Allowance for loan and lease losses Less: Allowance for loan and lease losses Loans and Leases Receivable, Allowance, Ending Balance Loans and Leases Receivable, Allowance, Beginning Balance Less: Allowance for loan and lease losses Loans and Leases Receivable, Allowance, Total Balance at end of period Net portfolio loans and leases Net portfolio loans and leases Premises and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Premises and equipment, net Property, Plant and Equipment, Net, Total Accrued interest receivable Accrued interest receivable Deferred income taxes Deferred income taxes Deferred Tax Assets, Net, Total Mortgage Servicing Right Mortgage Servicing Rights Mortgage servicing rights Bank owned life insurance Bank owned life insurance Federal Home Loan Bank Stock FHLB stock Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Goodwill, Total Other intangible assets Intangible assets Intangible Assets, Net (Excluding Goodwill), Total Other investments Other investments Other Investments, Total Other assets Other assets Other Assets, Total Total assets Total assets Liabilities Non-interest-bearing demand Non-interest-bearing Noninterest-bearing Deposit Liabilities, Domestic, Total Interest-bearing Deposit Liabilities Interest-bearing Interest-bearing Deposit Liabilities, Total Deposits'' Total deposits Short-term Debt Short-term borrowings Short-term Debt, Total Other Long-term Debt Other Long-term Debt, Total FHLB advances and other borrowings Subordinated debentures Subordinated Debt, Ending Balance Subordinated Debt, Beginning Balance Subordinated debentures Subordinated Debt, Total Junior subordinated debentures Junior subordinated debentures Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Total Accrued interest payable Accrued interest payable Other liabilities Other liabilities Other Liabilities, Total Total liabilities Total liabilities Total liabilities Stockholders Equity Abstract Shareholders' equity Common stock, par value $1; authorized 100,000,000 shares; issued 15,105,469 and 11,786,084 shares as of September 30, 2010 and December 31, 2009, respectively, and outstanding of 12,190,991 and 8,866,420 as of September 30, 2010 and December 31, 2009, respectively Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, par value $1; authorized 100,000,000 shares; issued 16,103,981 and 15,109,718 shares as of December 31, 2011 and December 31, 2010, respectively, and outstanding of 13,194,439 and 12,195,240 as of December 31, 2011 and December 31, 2010, respectively Common Stock, Value, Issued, Total Paid-in capital in excess of par value Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Paid-in capital in excess of par value Additional Paid in Capital, Total Less: Common stock in treasury at cost - 2,914,478 and 2,919,664 shares as of September 30, 2010 and December 31, 2009, respectively Less: Common stock in treasury at cost-2,909,542 and 2,914,478 shares as of December 31, 2011 and December 31, 2010 Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Less: Common stock in treasury at cost - 9,999,999 and 2,914,478 shares as of June 30, 2011 and December 31, 2010 Accumulated other comprehensive loss, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive loss, net of tax benefit Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Retained earnings Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained earnings Retained Earnings (Accumulated Deficit), Total Stockholders' Equity Attributable to Parent Ending Balance, value Beginning Balance, value Total shareholders' equity Liabilities and Stockholders' Equity Total liabilities and shareholders' equity Available-for-sale Securities, Amortized Cost Investment securities available for sale, amortized cost Available-for-sale Securities, Amortized Cost Basis, Total Common stock, par value Common stock, par value Common stock, shares authorized Common stock, shares authorized Common stock, shares issued Ending Balance, Shares Beginning Balance, Shares Common stock, shares issued Common Stock, Shares, Issued, Total Common stock, shares outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Common stock in treasury, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Common stock in treasury, shares Consolidated Statements Of Income [Abstract] Interest Income Expense Net Abstract Interest income: Interest and Fee Income, Loans and Leases Interest and fees on loans and leases Interest and Fee Income, Loans and Leases, Total Interest Income, Deposits with Financial Institutions Interest on cash and cash equivalents Interest Income, Deposits with Financial Institutions, Total Interest on investment securities: Interest Income, Securities, Taxable Taxable Interest Income, Securities, Tax Exempt Non-taxable Dividend Income, Operating Dividends Total interest income Total interest income Interest expense on: Interest Expense, Deposits Deposits Interest Expense, Deposits, Total Interest Expense, Short-term Borrowings Short-term borrowings Interest Expense, Short-term Borrowings, Total Interest Expense, Long-term Debt FHLB advances and other borrowings Interest Expense, Long-term Debt, Total Subordinated debt Subordinated debentures Interest Expense Junior Subordinated Debentures Junior subordinated debentures Interest Expense,Total Interest Expense, Total Total interest expense Net Interest Income Net interest income Net interest income Provision for loan and lease losses Provision for loan and lease losses Provision for Loan and Lease Losses, Total Net interest income after provision for loan and lease losses Net interest income after provision for loan and lease losses Non-interest income: Asset Management Fees Fees for wealth management services Asset Management Fees, Total Service charges on deposits Service charges on deposits Loan servicing and other fees Loan servicing and other fees Net gain on sale of residential mortgages Net gain on sale of residential mortgages Net gain on sale of residential mortgage loans Net gain on sale of available for sale investments Net gain on sale of available for sale securities Net gain on sale of available for sale securities Gain (Loss) on Sale of Securities, Net, Total Net Realized and Unrealized Gain (Loss) on Trading Securities Net gain on sale of trading securities Net Realized and Unrealized Gain (Loss) on Trading Securities, Total Loss (gain) on sale of OREO Loss (gain) on sale of OREO Net (loss) gain on sale of other real estate owned ("OREO") BOLI income Net increase in cash surrender value of bank owned life insurance ("BOLI") BOLI income Other operating income Non Interest Income Total non-interest income Non-interest expenses: Labor and Related Expense Salaries and wages Labor and Related Expense, Total Other Labor-related Expenses Employee benefits Occupancy and bank premises Occupancy and bank premises Furniture, fixtures, and equipment Furniture, fixtures, and equipment Advertising Advertising Amortization of mortgage servicing rights Amortization of mortgage servicing rights Mortgage Servicing Rights MSR Impairment Recovery Net impairment (recovery) of mortgage servicing rights Amortization of other intangible assets Amortization of intangible assets Amortization of Intangible Assets, Total Amortization of intangible assets FDIC insurance FDIC insurance FDIC special assessment. FDIC Special Assessment FDIC special assessment Impairment of OREO Impairment of other real estate owned ("OREO") Impairment of OREO Business Combination, Acquisition Related Costs Due diligence and merger-related expenses Professional fees Professional fees Other operating expenses Other operating expenses Non Interest Expense Total non-interest expenses (Loss) income before income taxes Income before income taxes Income tax (benefit) expense Income tax expense Income Tax Expense (Benefit), Total Net Income Net income (loss) Net income Net income Basic (loss) earnings per common share Basic earnings per common share Earnings Per Share, Basic, Total Diluted (loss) earnings per common share Diluted earnings per common share Earnings Per Share, Diluted, Total Common Stock Dividends Per Share Declared Dividends declared per share Weighted-average basic shares outstanding Weighted-average basic shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Dilutive potential shares Dilutive potential shares Weighted Average Number of Shares Outstanding, Diluted, Total Adjusted weighted-average diluted shares Adjusted weighted-average diluted shares Adjusted weighted-average diluted shares Consolidated Statements Of Cash Flows [Abstract] Statement, Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Actual [Member] Scenario, Actual [Member] Subsidiary 3. Subsidiary3 [Member] First Keystone Financial, Inc. [Member] Subsidiary 2. Subsidiary2 [Member] Lau Associates [Member] Subsidiary 1. Subsidiary1 [Member] PWMG [Member] Operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization, Nonproduction Provision for depreciation and amortization Provision for depreciation and amortization Trading Securities, Realized Gain (Loss) Gain on trading securities Gain on trading securities Trading Securities, Realized Gain (Loss), Total Share Based Compensation,Net Stock based compensation cost Stock based compensation cost Amortization and net impairment of mortgage servicing rights Amortization and net impairment of mortgage servicing rights Net Accretion Of Fair Value Adjustments Net Accretion Of Fair Value Adjustments Net accretion of fair value adjustments Net accretion of fair value adjustments Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total Loans originated for resale Loans originated for resale Proceeds from Sale of Loans Held-for-sale Proceeds from loans sold Proceeds from loans sold Proceeds from Sale of Loans Held-for-sale, Total Payments for Purchase of Securities, Operating Activities Purchase of trading securities Purchase of trading securities Proceeds from Sale of Trading Securities Held-for-investment Proceeds from sale of trading securities Pension Expense Contribution to pension Provision for deferred income taxes (benefit) Deferred Income Tax Expense (Benefit), Total Change in income taxes payable/receivable Change in accrued interest receivable Change in accrued interest receivable Change in accrued interest payable Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Investing activities: Payments to Acquire Available-for-sale Securities Purchases of investment securities Purchases of investment securities Purchases of investment securities Proceeds from maturity of investment securities and paydowns of mortgage-related securities Proceeds from Sale of Available-for-sale Securities Proceeds from sale of investment securities available for sale Purchases of investment securities Proceeds from calls of investment securities Net change in other investments Net change in other investments Proceeds from Life Insurance Policies Proceeds from BOLI repayment Payments for (Proceeds from) Loans and Leases Net portfolio loan and lease (originations) repayments Net portfolio loan and lease (originations) repayments Payments for (Proceeds from) Loans and Leases, Total Purchases of premises and equipment Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment, Total Acquisition of First Keystone Financial, Inc., net cash acquired Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Payments to Acquire Other Real Estate Increase in OREO Increase in OREO Proceeds from sale of OREO Net Cash Provided by (Used in) Investing Activities Net cash used by investing activities Financing activities: Increase (Decrease) in Deposits Change in deposits Increase (Decrease) in Deposits, Total Increase in short-term borrowings Increase in Short-Term Borrowings Change in short-term borrowings Dividends paid Dividends paid Repayment of Federal Home Loan Bank advances and other borrowings Repayment Of Federal Home Loan Bank Advances And Other Borrowings Change in FHLB advances and other borrowings Repayment of FHLB advances and other borrowings Increase in subordinated debentures. Increase in Subordinated Debentures Increase in subordinated debentures Increase in subordinated debentures Decrease in junior subordinated debentures. Decrease in Junior Subordinated Debentures Decrease in junior subordinated debentures Payments for Repurchase of Common Stock Purchase of treasury stock Purchase of treasury stock Excess Tax Benefit from Share-based Compensation, Financing Activities Tax benefit from exercise of stock options Proceeds from issuance of common stock Proceeds from exercise of stock options Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Change in cash and cash equivalents Cash Paid During Period [Abstract] Cash Paid During Period [Abstract] Cash paid during the year for: Income taxes Income Taxes Paid, Net, Total Interest Interest Paid, Net, Total Supplemental cash flow information: Available for sale securities purchased, not settled Available for sale securities purchased, not settled Change in Other Comprehensive Income Change in Other Comprehensive Income Change in other comprehensive income Change in deferred taxes due to change in comprehensive income Change in deferred taxes due to change in comprehensive income Change in deferred tax due to change in comprehensive income Transfer of loans to other real estate owned Acquisition of noncash assets and liabilities: Acquisition of noncash assets and liabilities: Noncash or Part Noncash Acquisition, Value of Assets Acquired Assets acquired Noncash or Part Noncash Acquisition, Value of Assets Acquired, Total Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed, Total Consolidated Statements Of Changes In Shareholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Paid-In Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss [Member] Treasury Stock [Member] Treasury Stock [Member] Shares, Issued Ending Balance, shares Beginning Balance, shares Dividends declared, $0.42 per share Dividends declared Other comprehensive income, net of taxes Other comprehensive income (loss), net of tax expense (benefit) Other comprehensive income, net of taxes Adjustments To Additional Paid In Capital Share based CompensationRequisiteServicePeriodRecognitionValue Stock based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Tax benefit from gains on stock option exercise Stock Repurchased During Period, Value Purchase of treasury stock Purchase of treasury stock Retirement of treasury stock, Value Retirement of treasury stock, value Retirement of treasury stock , value Retirement of treasury stock, Shares Retirement of treasury stock, shares Retirement of treasury stock Acquisition of First Keystone Financial, Inc., Value Acquisitions, value Acquisition of First Keystone Financial, Inc., Shares Acquisitions, shares Stock Issued During Period, Shares, Stock Purchase Plan And Dividend Reinvestment Plan Stock Issued During Period Shares Stock Purchase Plan And Dividend Reinvestment Plan Dividend Reinvestment and Stock Purchase Plan, shares Stock issued during period, value, stock purchase plan and dividend reinvestment plan. Stock Issued During Period Value Stock Purchase Plan And Dividend Reinvestment Plan Dividend Reinvestment and Stock Purchase Plan, value Exercise of stock options, Shares Share-based awards and options exercises, shares Exercise of stock options, Value Share-based awards and options exercises, value Private Placement. Private Placement Private placement Private placement, shares. Private Placement, Shares Private placement, shares Stock Issued During Period, Value, New Issues Registered direct common stock offering Stock Issued During Period, Shares, New Issues Registered direct common stock offering, shares Dividends declared per share Other Comprehensive Income (Loss), Tax Other comprehensive income ( loss), tax Other Comprehensive Income (Loss), Tax, Total Consolidated Statements Of Comprehensive Income [Abstract] Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Abstract Other comprehensive income (loss): Other comprehensive income unrealized gains loss arising during period net of tax. Other Comprehensive Income Unrealized Gains Loss Arising During Period Net of Tax Net unrealized gains arising during the period, net of tax expense of $1,058, $840 and $834, respectively Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax Less: reclassification adjustment for net gains on sales realized in net income, net of tax expense of $624, 865 and 673, respectively Less: reclassification adjustment for net gains on sales realized in net income, net of tax expense of $624, 865 and 673, respectively Unrealized investment gains, net of tax expense Unrealized investment losses, net of tax benefit of $(227) and $(221), respectively Unrealized investment gains (losses), net of tax expense (benefit) of $434, $(25) and $161, respectively Unrealized investment gains (losses), net of tax expense (benefit) of $434, $(25) and $161, respectively Change in unfunded pension liability, net of tax (benefit) expense Change in unfunded pension liability, net of tax (benefit) expense of $(2,916), $109 and $421, respectively Change in unfunded pension liability, net of tax expense of $137 and $147, respectively Comprehensive Income, Net of Tax, Attributable to Parent Total comprehensive income Other comprehensive income unrealized gains loss arising during period tax. Other Comprehensive Income Unrealized Gains Loss Arising During Period Tax Net unrealized gains arising during the period, tax expense Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax Less: reclassification adjustment for net gains on sales realized in net income, tax expense Unrealized investment (gains) losses, tax expense Unrealized investment gains (losses),tax expense (benefit) Unrealized investment losses, tax benefit Other Comprehensive Income Minimum Pension Liability Net Adjustment Tax Change in unfunded pension liability, tax expense Change in unfunded pension liability, tax expense (benefit) Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Business Combinations [Abstract] Business Combination Disclosure [Text Block] Business Combinations Acquisition of First Keystone Financial, Inc. Goodwill & Other Intangible Assets [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill & Other Intangible Assets Investment Securities [Abstract] Marketable Securities [Text Block] Investment Securities Loans And Leases [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans And Leases Loans and leases Other Real Estate Owned [Abstract] Real Estate Owned [Text Block] Other Real Estate Owned Premises And Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Premises And Equipment Mortgage Servicing Rights [Abstract] Mortgage Servicing Rights Disclosure Schedule of Servicing Assets at Fair Value [Text Block] Mortgage Servicing Rights Deposits [Abstract] Deposit Liabilities Disclosures [Text Block] Deposits Short-Term And Other Borrowings [Abstract] Federal Home Loan Bank Advances, Disclosure [Text Block] Short-Term And Other Borrowings Borrowings Subordinated Debentures [Abstract] Subordinated Borrowings Disclosure [Text Block] Subordinated Debentures Junior Subordinated Debentures [Abstract] Junior subordinated debentures disclosure. Junior Subordinated Debentures Disclosure [Text Block] Junior Subordinated Debentures Disclosure about fair value of financial instruments. Disclosure About Fair Value Of Financial Instruments [Abstract] Fair Value, Measurement Inputs, Disclosure [Text Block] Disclosure About Fair Value Of Financial Instruments Fair Value Measurement [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurement 401(k) Plan [Abstract] Compensation and Employee Benefit Plans [Text Block] 401(k) Plan Pension And Postretirement Benefit Plans [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Pension And Postretirement Benefit Plans Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Stock-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share Other Operating Income [Abstract] Interest and Other Income [Text Block] Other Operating Income Other Operating Expense [Abstract] Other Income and Other Expense Disclosure [Text Block] Other Operating Expense Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Financial instruments with off-balance sheet risk, contingencies and concentration of credit risk. Financial Instruments With Off-Balance Sheet Risk, Contingencies And Concentration Of Credit Risk [Abstract] Financial instruments with off-balance sheet risk, contingencies and concentration of credit risk. Financial Instruments with Off-Balance Sheet Risk, Contingencies and Concentration of Credit Risk [Text Block] Financial Instruments With Off-Balance Sheet Risk, Contingencies And Concentration Of Credit Risk Dividend Restrictions [Abstract] Restrictions on Dividends, Loans and Advances [Text Block] Dividend Restrictions Regulatory Capital Requirements [Abstract] Regulatory Capital Requirements under Banking Regulations [Text Block] Regulatory Capital Requirements Selected Quarterly Financial Data [Abstract] Quarterly Financial Information [Text Block] Selected Quarterly Financial Data Parent Company-Only Financial Statements [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Text Block] Parent Company-Only Financial Statements Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events