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Disclosure - Note 6 - FDIC Loss Share Agreements (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-6-fdic-loss-share-agreements-details-textual Note 6 - FDIC Loss Share Agreements (Details Textual) Uncategorized 76 false false R77.htm 076 - Disclosure - Note 6 - FDIC Loss Share Agreements - Receivable From the FDIC (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-6-fdic-loss-share-agreements-receivable-from-the-fdic-details Note 6 - FDIC Loss Share Agreements - Receivable From the FDIC (Details) Uncategorized 77 false false R78.htm 077 - Disclosure - Note 7 - Other Real Estate Owned (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-7-other-real-estate-owned-details-textual Note 7 - Other Real Estate Owned (Details Textual) Uncategorized 78 false false R79.htm 078 - Disclosure - Note 7 - Other Real Estate Owned - Transactions in OREO - Non-covered (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-7-other-real-estate-owned-transactions-in-oreo-noncovered-details Note 7 - 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Disclosure - Note 9 - Goodwill and Intangible Assets (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-9-goodwill-and-intangible-assets-details-textual Note 9 - Goodwill and Intangible Assets (Details Textual) Uncategorized 83 false false R84.htm 083 - Disclosure - Note 9 - Goodwill and Intangible Assets - Estimated Amortization Expense (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-9-goodwill-and-intangible-assets-estimated-amortization-expense-details Note 9 - Goodwill and Intangible Assets - Estimated Amortization Expense (Details) Uncategorized 84 false false R85.htm 084 - Disclosure - Note 9 - Goodwill and Intangible Assets - Goodwill (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-9-goodwill-and-intangible-assets-goodwill-details Note 9 - Goodwill and Intangible Assets - Goodwill (Details) Uncategorized 85 false false R86.htm 085 - Disclosure - Note 10 - Deposits (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-10-deposits-details-textual Note 10 - 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Disclosure - Note 12 - Income Taxes - Net Deferred Tax Assets (Liabilities) (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-12-income-taxes-net-deferred-tax-assets-liabilities-details Note 12 - Income Taxes - Net Deferred Tax Assets (Liabilities) (Details) Uncategorized 94 false false R95.htm 094 - Disclosure - Note 13 - Regulatory Matters (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-13-regulatory-matters-details-textual Note 13 - Regulatory Matters (Details Textual) Uncategorized 95 false false R96.htm 095 - Disclosure - Note 13 - Regulatory Matters - Capital Ratios (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-13-regulatory-matters-capital-ratios-details Note 13 - Regulatory Matters - Capital Ratios (Details) Uncategorized 96 false false R97.htm 096 - Disclosure - Note 14 - Leases (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-14-leases-details-textual Note 14 - Leases (Details Textual) Uncategorized 97 false false R98.htm 097 - Disclosure - Note 14 - Leases - Future Minimum Lease Payments (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-14-leases-future-minimum-lease-payments-details Note 14 - Leases - Future Minimum Lease Payments (Details) Uncategorized 98 false false R99.htm 098 - Disclosure - Note 15 - Off-balance Sheet Risk - Exposure to Off-balance Sheet Risk (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-15-offbalance-sheet-risk-exposure-to-offbalance-sheet-risk-details Note 15 - Off-balance Sheet Risk - Exposure to Off-balance Sheet Risk (Details) Uncategorized 99 false false R100.htm 099 - Disclosure - Note 16 - Derivative Financial Instruments and Hedging Activities (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-16-derivative-financial-instruments-and-hedging-activities-details-textual Note 16 - Derivative Financial Instruments and Hedging Activities (Details Textual) Uncategorized 100 false false R101.htm 100 - Disclosure - Note 16 - Derivative Financial Instruments and Hedging Activities - Summary of Derivative Instruments (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-16-derivative-financial-instruments-and-hedging-activities-summary-of-derivative-instruments-details Note 16 - Derivative Financial Instruments and Hedging Activities - Summary of Derivative Instruments (Details) Uncategorized 101 false false R102.htm 101 - Disclosure - Note 16 - Derivative Financial Instruments and Hedging Activities - Amounts Recognized in the Consolidated Statements of Income and Statement of Comprehensive Income (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-16-derivative-financial-instruments-and-hedging-activities-amounts-recognized-in-the-consolidated-statements-of-income-and-statement-of-comprehensive-income-details Note 16 - Derivative Financial Instruments and Hedging Activities - Amounts Recognized in the Consolidated Statements of Income and Statement of Comprehensive Income (Details) Uncategorized 102 false false R103.htm 102 - Disclosure - Note 17 - Accumulated Other Comprehensive Income (Loss) - Activity in Other Comprehensive Income (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-17-accumulated-other-comprehensive-income-loss-activity-in-other-comprehensive-income-details Note 17 - Accumulated Other Comprehensive Income (Loss) - Activity in Other Comprehensive Income (Details) Uncategorized 103 false false R104.htm 103 - Disclosure - Note 17 - Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Loss) (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-17-accumulated-other-comprehensive-income-loss-activity-in-accumulated-other-comprehensive-income-loss-details Note 17 - Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Loss) (Details) Uncategorized 104 false false R105.htm 104 - Disclosure - Note 19 - Employee and Director Benefit Plans (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-19-employee-and-director-benefit-plans-details-textual Note 19 - Employee and Director Benefit Plans (Details Textual) Uncategorized 105 false false R106.htm 105 - Disclosure - Note 19 - Employee and Director Benefits Plans - Assumptions in Estimating Option Values (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-19-employee-and-director-benefits-plans-assumptions-in-estimating-option-values-details Note 19 - Employee and Director Benefits Plans - Assumptions in Estimating Option Values (Details) Uncategorized 106 false false R107.htm 106 - Disclosure - Note 19 - Employee and Director Benefit Plans - Restricted Share Activity (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-19-employee-and-director-benefit-plans-restricted-share-activity-details Note 19 - Employee and Director Benefit Plans - Restricted Share Activity (Details) Uncategorized 107 false false R108.htm 107 - Disclosure - Note 19 - Employee and Director Benefit Plans - Stock Option Activiy (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-19-employee-and-director-benefit-plans-stock-option-activiy-details Note 19 - 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Park Sterling Corporation (Parent Company Only) - Condensed Statements of Income (Details) Uncategorized 111 false false R112.htm 111 - Disclosure - Note 21 - Park Sterling Corporation (Parent Company Only) - Condensed Statements of Cash Flow (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-21-park-sterling-corporation-parent-company-only-condensed-statements-of-cash-flow-details Note 21 - Park Sterling Corporation (Parent Company Only) - Condensed Statements of Cash Flow (Details) Uncategorized 112 false false R113.htm 112 - Disclosure - Note 22 - Subsequent Event (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-22-subsequent-event-details-textual Note 22 - Subsequent Event (Details Textual) Uncategorized 113 false false R114.htm 113 - Disclosure - Note 18 - Fair Value of Financial Instruments (Details Textual) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-details-textual Note 18 - Fair Value of Financial Instruments (Details Textual) Uncategorized 114 false false R115.htm 114 - Disclosure - Note 18 - Fair Value of Financial Instruments - Financial Instruments Carrying Amounts and Estimated Fair Values (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-financial-instruments-carrying-amounts-and-estimated-fair-values-details Note 18 - Fair Value of Financial Instruments - Financial Instruments Carrying Amounts and Estimated Fair Values (Details) Uncategorized 115 false false R116.htm 115 - Disclosure - Note 18 - Fair Value of Financial Instruments - Fair Value on a Recurring Basis (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-fair-value-on-a-recurring-basis-details Note 18 - Fair Value of Financial Instruments - Fair Value on a Recurring Basis (Details) Uncategorized 116 false false R117.htm 116 - Disclosure - Note 18 - Fair Value of Financial Instruments - Level 3 Assets Reconciliation (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-level-3-assets-reconciliation-details Note 18 - Fair Value of Financial Instruments - Level 3 Assets Reconciliation (Details) Uncategorized 117 false false R118.htm 117 - Disclosure - Note 18 - Fair Value of Financial Instruments - Fair Value on a Nonrecurring Basis (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-fair-value-on-a-nonrecurring-basis-details Note 18 - Fair Value of Financial Instruments - Fair Value on a Nonrecurring Basis (Details) Uncategorized 118 false false R119.htm 118 - Disclosure - Note 18 - Fair Value of Financial Instruments - Change in Value of OREO (Details) Sheet http://parksterlingbank.com/20161231/role/statement-note-18-fair-value-of-financial-instruments-change-in-value-of-oreo-details Note 18 - Fair Value of Financial Instruments - Change in Value of OREO (Details) Uncategorized 119 false false R120.htm 119 - 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