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Employee Benefit Plans - Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Summary of employee benefits charged to operating expenses |  |  |
Payroll taxes | $ 1,112 | $ 1,156 | $ 1,167
Medical plans | 1,826 | 2,109 | 2,026
401k match and profit sharing | 1,290 | 956 | 873
Periodic pension cost | 1,430 | 1,707 | 1,343
Other | 63 | 67 | 83
Total employee benefits | $ 5,721 | $ 5,995 | $ 5,492

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- References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits. + References No definition available. + Details
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- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. + References No definition available. + Details
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- Definition Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits. + References No definition available. + Details
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