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Employee benefit plans | 3 Months Ended
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Mar. 31, 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. Salaries and employee benefits expense includes approximately $279 and $250 relating to the employee benefit plans for the three months ended March 31, 2015 and 2014. Components of net periodic benefit income are as follows:
|  | Pension Benefits |
Three months ended March 31, |  | 2015 |  |  | 2014 |
Net periodic pension income: |  |  |  |  |  |  |  |
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 income |  | $ | (9 | ) |  | $ | (35 | )

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
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