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Fair Value of Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2019
Fair Value Disclosures [Abstract] |
Carrying Value and Fair Value of Long-Term Debt | The following table sets forth carrying value and fair value of long-term debt:
| June 30, 2019 |  |  | December 31, 2018 |
In thousands | Carrying Value |  |  | Fair Value |  |  | Carrying Value |  |  | Fair Value |
Variable rate debt | $ | 94,454 |  |  | $ | 94,454 |  |  | $ | 114,495 |  |  | $ | 114,495 |
Fixed-rate bonds |  | — |  |  |  | — |  |  |  | 250,000 |  |  |  | 249,010 |
Term loan, due Feb. 2024 |  | 250,360 |  |  |  | 250,360 |  |  |  | — |  |  |  | — |
2.40% Term loan |  | 4,877 |  |  |  | 4,976 |  |  |  | 5,725 |  |  |  | 5,836 |
2.05% Term loan |  | 22,778 |  |  |  | 23,190 |  |  |  | 25,972 |  |  |  | 26,346 |
1.30% Term Loan |  | 6,503 |  |  |  | 6,526 |  |  |  | 7,361 |  |  |  | 7,341 |
1.55% Term loan |  | 8,715 |  |  |  | 8,812 |  |  |  | 9,470 |  |  |  | 9,453 |
Total | $ | 387,687 |  |  | $ | 388,318 |  |  | $ | 413,023 |  |  | $ | 412,481 |

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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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