Employee benefit plans	12 Months Ended
Employee benefit plans	Dec. 31, 2011
Employee benefit plans [Abstract]
Employee benefit plans	13. Employee benefit plans: The Company has an employee stock ownership and profit-sharing plan with 401(k) provisions. The Plan is for the benefit of all employees who meet the eligibility requirements set forth in the Plan. The amount of the Company's contributions to the Plan, including 401(k) matching contributions, is at the discretion of the Board of Directors. Company contributions to the employee stock ownership plan are allocated to participant accounts based on their percentage of total compensation for the Plan year. During 2011, 2010 and 2009, employee stock ownership plan contributions were $222, $202, and $204 respectively. During 2011, 2010 and 2009, the Company's 401(k) matching contributions to the Plan were $113, $109, and $99 respectively. At December 31, 2011, 163,512 shares of the Company's common stock were held in the Plan. In the event a terminated Plan participant desires to sell his or her shares of the Company's stock, or for certain employees who elect to diversify their account balances, the Company may be required to purchase the shares from the participant at their fair market value. The Bank has deferred compensation agreements with certain current and former directors and officers that provide fixed retirement benefits. The Bank's deferred compensation liability at December 31, 2011 and 2010 was $1,012 and $1,014 respectively. Payments to retired directors totaled $90 for each of the years ended December 31, 2011, 2010 and 2009. The cost charged to operations for these deferred compensation plans was $88, $56, and $62 for the years ended December 31, 2011, 2010 and 2009, respectively.

The entire disclosure for compensation costs, including compensated absences accruals, compensated absences liability, deferred compensation arrangements and income statement compensation items. Deferred compensation arrangements may include a description of an arrangement with an individual employee, which is generally an employment contract between the entity and a selected officer or key employee containing a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period, the number of shares (units) issued during the period under such arrangements, and the carrying amount as of the balance sheet date of the related liability.

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