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Financial Instruments (Notes) | 12 Months Ended
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Dec. 31, 2017
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |
Financial Instruments Disclosure [Text Block] | Financial Instruments Off Balance Sheet Risk At December 31, 2017, the Company had letters of credit outstanding totaling $7,932. Fair Value of Financial Instruments The following methods and assumptions were used by the Company in estimating its fair value disclosures for financial instruments: Accounts receivable and accounts payable: The carrying amounts reported in the balance sheet for accounts receivable and accounts payable approximate their fair value based on their short-term nature. The Company’s revolving credit facility and term loan bear variable interest rates plus additional basis points based upon covenants related to total indebtedness to earnings. As the term loan bears a variable interest rate and there have been no significant changes to our credit rating, the carrying value approximates fair value. Using interest rate quotes and discounted cash flows, the Company estimated the fair value of its outstanding capital lease obligations as follows:
| December 31, 2017 |  | December 31, 2016
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
Capital lease obligations | $ | 724 |  |  | $ | 744 |  |  | $ | 1,072 |  |  | $ | 1,139 |
The Company's fair value estimates for the above financial instruments are classified within level 3 of the fair value hierarchy as defined in the FASB Codification.

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- Definition The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures. + References No definition available. + Details
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- References No definition available. + Details
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