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Employee benefit plans | 6 Months Ended
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Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract] |
Employee benefit plans | 8. Employee benefit plans: The Company provides an Employee Stock Ownership Plan (“ESOP”) and a Retirement Profit Sharing Plan. The Company also maintains a Supplemental Executive Retirement Plan (“SERP”), an Employees’ Pension Plan, which is currently frozen, and a Postretirement Plan Life Insurance plan which was curtailed in 2013. For the three and six months ended June 30, salaries and employee benefits expense includes approximately $173 and $452 in 2015 and $584 and $834 in 2014 relating to the employee benefit plans. Components of net periodic benefit cost are as follows:
|  | Pension Benefits |
Three months ended June 30, |  | 2015 |  |  | 2014 |
Net periodic pension cost: |  |  |  |  |  |  |  |
Service cost |  |  |  |  |  |  |  |
Interest cost |  | $ | 174 |  |  | $ | 169 |
Expected return on plan assets |  |  | (233 | ) |  |  | (227 | )
Amortization of prior service cost |  |  |  |  |  |  |  |
Amortization of unrecognized net loss |  |  | 50 |  |  |  | 23 |
Net periodic pension cost |  | $ | (9 | ) |  | $ | (35 | )
|  | Pension Benefits |
Six months ended June 30, |  | 2015 |  |  | 2014 |
Net periodic pension cost: |  |  |  |  |  |  |  |
Service cost |  |  |  |  |  |  |  |
Interest cost |  | $ | 348 |  |  | $ | 338 |
Expected return on plan assets |  |  | (466 | ) |  |  | (454 | )
Amortization of prior service cost |  |  |  |  |  |  |  |
Amortization of unrecognized net loss |  |  | 100 |  |  |  | 46 |
Net periodic pension cost |  | $ | (18 | ) |  | $ | (70 | )

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