Basis of Presentation	6 Months Ended
Basis of Presentation	Jun. 30, 2013
Basis of Presentation
Basis of Presentation	1) Basis of Presentation The unaudited consolidated financial statements of Heritage Commerce Corp (the "Company" or "HCC") and its wholly owned subsidiary, Heritage Bank of Commerce (the "Bank" or "HBC"), have been prepared pursuant to the rules and regulations for reporting on Form 10-Q. Accordingly, certain information and notes required by accounting principles generally accepted in the United States of America ("GAAP") for annual financial statements are not included herein. The interim statements should be read in conjunction with the consolidated financial statements and notes that were included in the Company's Form 10-K for the year ended December 31, 2012. The Company has also established the following unconsolidated subsidiary grantor trusts: Heritage Capital Trust I; Heritage Statutory Trust I; Heritage Statutory Trust II; and Heritage Commerce Corp Statutory Trust III, which are Delaware Statutory business trusts formed for the exclusive purpose of issuing and selling trust preferred securities. During the third quarter of 2012 the Company dissolved the Heritage Statutory Trust I and the Heritage Capital Trust I. HBC is a commercial bank serving customers located in Santa Clara, Alameda, and Contra Costa counties of California. No customer accounts for more than 10 percent of revenue for HBC or the Company. Management evaluates the Company's performance as a whole and does not allocate resources based on the performance of different lending or transaction activities. Accordingly, the Company and its subsidiary operate as one business segment. In management's opinion, all adjustments necessary for a fair presentation of these consolidated financial statements have been included and are of a normal and recurring nature. All intercompany transactions and balances have been eliminated. The preparation of financial statements in conformity with GAAP 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 significantly from these estimates. The results for the three and six months ended June 30, 2013 are not necessarily indicative of the results expected for any subsequent period or for the entire year ending December 31, 2013. *Reclassifications* Certain reclassifications of prior year balances have been made to conform to the current year presentation. These reclassifications had no impact on the Company's consolidated financial position, results of operations or net change in cash and cash equivalents. *Adoption of New Accounting Standards* In February 2013, the FASB issued an accounting standards update with the primary objective of improving the reporting of reclassifications out of accumulated other comprehensive income ("AOCI"). For significant reclassifications that are required to be presented in their entirety in net income in the same reporting period by U.S. GAAP, the update requires an entity to report the effect of these reclassifications out of AOCI on the respective line items of net income either on the face of the statement that reports net income or in the financial statement notes. For AOCI items that are not reclassified to net income in their entirety, presentation in the financial statement notes is required. This update is effective for public companies for fiscal years and interim periods within those years beginning after December 15, 2012, or the first quarter of 2013 for calendar year-end companies, and is required to be applied prospectively. The effect of adopting this standard did not have a material effect on the Company's operating results or financial condition, but the additional disclosures are included in Note 3.

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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