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Employee benefit plans | 9 Months Ended
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Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract] |
Employee benefit plans | 8. Employee benefit plans: The Company provides an Employee Stock Ownership Plan (“ESOP”), a Retirement Profit Sharing 401(k) Plan, an Employees’ Pension Plan, which is currently frozen, a supplemental executive defined benefit plan (currently frozen), a supplemental executive defined contribution plan, non-qualified supplemental executive retirement plans (“SERP”), a Postretirement Life Insurance Plan, which was curtailed in 2013, and a Long-Term Incentive Plan. For the three and nine months ended September 30, salaries and employee benefits expense includes approximately $581 and $1,744 in 2014 and $378 and $1,135 in 2013 relating to the employee benefit plans. Components of net periodic benefit cost are as follows:
|  | Pension Benefits |  |  | Postretirement Life Insurance Benefits |
Three months ended September 30, |  | 2014 |  |  | 2013 |  |  | 2014 |  | 2013 |
Net periodic pension cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  |  |  |  |  |  |  |  |  |  |  | $ | 11 |
Interest cost |  | $ | 169 |  |  | $ | 162 |  |  |  |  |  | 33 |
Expected return on plan assets |  |  | (227 | ) |  |  | (207 | ) |  |  |  |  |  |
Amortization of prior service cost |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of unrecognized net loss |  |  | 23 |  |  |  | 45 |  |  |  |  |  | 28 |
Net periodic pension cost |  | $ | (35 | ) |  | $ |  |  |  |  |  | $ | 72 |
|  | Pension Benefits |  |  | Postretirement Life Insurance Benefits |
Nine months ended September 30, |  | 2014 |  |  | 2013 |  |  | 2014 |  | 2013 |
Net periodic pension cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  |  |  |  |  |  |  |  |  |  |  | $ | 32 |
Interest cost |  | $ | 507 |  |  | $ | 485 |  |  |  |  |  | 100 |
Expected return on plan assets |  |  | (681 | ) |  |  | (620 | ) |  |  |  |  |  |
Amortization of prior service cost |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of unrecognized net loss |  |  | 69 |  |  |  | 135 |  |  |  |  |  | 86 |
Net periodic pension cost |  | $ | (105 | ) |  | $ |  |  |  |  |  | $ | 218 |

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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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