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Employee Pension Plans | 6 Months Ended
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Jun. 30, 2018
Employee Pension Plans [Abstract] |
Employee Pension Plans | (11) Employee Pension Plans ﻿ The Company has a defined benefit pension plan and an unfunded supplemental retirement plan. Effective September 1, 2004, all benefit accruals under these plans were frozen; however, the current vested benefit was preserved. The pension disclosure presented below includes aggregated amounts for both of the Company’s plans. ﻿ The following table sets forth the net periodic benefit cost for the three and six months ended June 30, 2018 and 2017: ﻿ ﻿
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﻿ | Three Months Ended June 30, |  | Six Months Ended June 30,
﻿(in thousands) | 2018 |  | 2017 |  | 2018 |  | 2017
﻿Interest cost | $ | 883 |  | $ | 975 |  | $ | 1,766 |  | $ | 1,950
﻿Expected return on plan assets |  | (1,077) |  |  | (1,088) |  |  | (2,154) |  |  | (2,176)
﻿Amortization of net loss |  | 513 |  |  | 456 |  |  | 1,026 |  |  | 912
﻿Other |  | 213 |  |  | 213 |  |  | 426 |  |  | 426
﻿Net periodic benefit cost | $ | 532 |  | $ | 556 |  | $ | 1,064 |  | $ | 1,112
﻿ The Company contributed $1.4 million to its defined benefit pension plan during each of the six-month periods ended June 30, 2018 and 2017, and expects to contribute an additional $1.3 million by the end of 2018.

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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 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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