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Fair Value Fair Value (Tables) | 9 Months Ended
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Sep. 30, 2018
Fair Value Disclosures [Abstract] |
Assets and Liabilities Measured at Fair Value | The following table presents the Company’s assets and liabilities that are measured at fair value and the related hierarchy levels:
(In thousands) | Fair Value Hierarchy | September 30, 2018 |  | December 31, 2017
Assets |  |  |  |
Municipal bonds | 2 | $ | 400 |  |  | $ | 534 |
Asset-backed securities | 2 | 319 |  |  | 345 |
Mortgage-backed securities | 2 | 275 |  |  | 305 |
Fixed-income mutual fund | 1 | 23,094 |  |  | 22,174 |
Investment securities (a) |  | $ | 24,088 |  |  | $ | 23,358 |
Executive deferred compensation plan trust (b) | 1 | $ | 6,971 |  |  | $ | 6,798 |
Interest rate swaps (c) | 2 | $ | 34,014 |  |  | $ | 19,595 |
Liabilities |  |  |  |
Interest rate swaps (d) | 2 | $ | — |  |  | $ | 5,373 |
(a) Not deemed available for current operations and have been classified as long-term assets. (b) The fair value of these instruments is recorded in other assets. (c) The fair value of these instruments is recorded in prepaid expenses and other current assets or other assets depending on the timing of expected discounted cash flows. (d) The fair value of these instruments is recorded in other current liabilities based on the timing of expected discounted cash flows.

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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