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Credit Facilities | 12 Months Ended
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Dec. 31, 2017
Line of Credit Facility [Abstract] |
Credit Facilities | CREDIT FACILITIES As of December 31, 2017, we had unsecured committed credit facilities with three banks as well as a term commitment with one of these banks. We had with Wells Fargo Bank, N.A., a $100.0 million credit facility which will expire on July 12, 2020, and a $75.0 million term commitment with principal due and payable on September 15, 2019. We had an unsecured line of credit of $75.0 million with U.S. Bank, N.A., which will expire on July 13, 2020. We also had a $75.0 million credit facility with BMO Harris Bank, N.A., which will expire on March 5, 2020. Borrowings under these credit facilities and term note bear variable interest based on the London Interbank Offered Rate (“LIBOR”). As of December 31, 2017 and 2016, our outstanding debt totaled $75.0 million and $180.0 million, respectively. We had $75.0 million outstanding under the term commitment at a variable rate of 2.08% as of December 31, 2017, which is effectively fixed at 2.5% with an interest rate swap agreement. The $325.0 million of borrowing capacity under our credit facilities at December 31, 2017, is further reduced by $39.6 million in stand-by letters of credit under which we are obligated. Each of the debt agreements includes, among other things, financial covenants requiring us (i) not to exceed a maximum ratio of total debt to total capitalization and/or (ii) not to exceed a maximum ratio of total funded debt to earnings before interest, income taxes, depreciation and amortization (as such terms are defined in each credit facility). At December 31, 2017, we were in compliance with these covenants. At December 31, 2017, the aggregate future maturities of long-term debt by year are as follows (in thousands):
2018 | $ | — |
2019 | 75,000 |
2020 | — |
2021 | — |
2022 | — |
Total | $ | 75,000 |
The carrying amounts of our long-term debt approximate fair value due to the duration of the notes and the variable interest rates.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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