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Related Party Transactions Related Party Transactions (Tables) | 9 Months Ended
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Sep. 30, 2017
Related Party Transactions [Abstract] |
Lease Expense for Certain Real Estate Properties Leased | For the three and nine months ended September 30, 2017 and 2016, the Company incurred the following lease expense for these properties (in thousands):
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Cost of sales |  | $ | 262 |  |  | $ | 227 |  |  | $ | 787 |  |  | $ | 679 |

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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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