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Fair value of financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Fair Value Disclosures [Abstract] |
Summary of Fair Value of Financial Liabilities | The following table sets forth the fair value of the Company’s financial liabilities by level within the fair value hierarchy as of December 31, 2018 (in thousands):
|  |  | Fair value measurements using
| Fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial liabilities: |  |  |  |  |  |  |
Long-term debt, including current portion (1) | $ | 150,719 |  |  | $ | — |  |  | $ | 150,719 |  |  | $ | — |
Total financial liabilities | $ | 150,719 |  |  | $ | — |  |  | $ | 150,719 |  |  | $ | — |
__________________________ (1)(1) Of this amount, $9,861 is classified as current. The gross carrying amounts of the Company’s bank debt, before reduction of the debt issuance costs, approximate their fair values as the stated rates approximate market rates for loans with similar terms. The following table sets forth the fair value of the Company’s financial liabilities by level within the fair value hierarchy as of December 31, 2017 (in thousands):
|  |  | Fair value measurements using
| Fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial liabilities: |  |  |  |  |  |  |
Long-term debt, including current portion (1) | $ | 156,792 |  |  | $ | — |  |  | $ | 156,792 |  |  | $ | — |
Total financial liabilities | $ | 156,792 |  |  | $ | — |  |  | $ | 156,792 |  |  | $ | — |
__________________________ (1) Of this amount, $8,646 is classified as current. The gross carrying amounts of the Company’s bank debt, before reduction of the debt issuance costs, approximate their fair values as the stated rates approximate market rates for loans with similar te

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- Definition Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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