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Debt (Details) - USD ($) | 11 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 162,734,000 | $ 173,699,000
Less debt issuance costs |  | (2,135,000) | (1,125,000)
Total long-term debt |  | 160,599,000 | 172,574,000
Less current portion |  | (9,466,000) | (6,960,000)
Long-term debt, less current portion |  | 151,133,000 | 165,614,000
Long-term Debt, Fiscal Year Maturity [Abstract] |  |  |
Total long-term debt |  | 160,599,000 | 172,574,000
Amended and Restated |  |  |
Debt Instrument [Line Items] |  |  |
Revolving loans, potential increment in maximum borrowing capacity |  | $ 100,000,000 |
Duration of interest rate cash flow hedge |  | 3 years |
Derivative, notional amount |  | $ 50,000,000 |
Effective interest rate |  | 4.17% |
Interest expense, net | $ 7,800,000 | $ 6,900,000 | 7,200,000
Amended and Restated | LIBOR |  |  |
Debt Instrument [Line Items] |  |  |
Base margin |  | 1.75% |
Amended and Restated | Base Rate |  |  |
Debt Instrument [Line Items] |  |  |
Base margin |  | 0.50% |
Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 80,800,000 | 94,375,000
Total long-term debt |  | 80,800,000 |
Long-term Debt, Fiscal Year Maturity [Abstract] |  |  |
2019 |  | 10,000,000 |
2020 |  | 11,875,000 |
2021 |  | 14,375,000 |
2022 |  | 15,000,000 |
2023 |  | 29,550,000 |
Total long-term debt |  | 80,800,000 |
Revolving Loans |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 81,934,000 | 79,324,000
Revolving loans maximum borrowing capacity |  | 300,000,000 |
Letters of credit outstanding |  | $ 57,000 | $ 0
Minimum | Amended and Restated |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  | 3.00% |
Maximum | Amended and Restated |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  | 6.00% |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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