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v3.19.1

Long-Tem Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 11, 2018 | Mar. 31, 2019 | Dec. 31, 2017 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |  |
Total |  | $ 483,068 |  | $ 412,682
Less: current portion of long-term debt |  | (3,293) |  | (3,293)
Less: unamortized debt discounts |  | (3,457) |  | (3,300)
Less: deferred financing costs |  | (3,781) |  | (3,994)
Total long-term debt |  | 472,537 |  | 402,095
Syndicate of Lenders | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total |  | $ 391,842 |  | $ 322,666
Interest rate during period |  | 7.50% |  | 7.53%
Syndicate of Lenders | Line of Credit | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 5.00% | 5.00% |
Goldman Sachs Specialty Lending Group | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate during period |  | 10.50% |  | 10.50%
Goldman Sachs Specialty Lending Group | Line of Credit | Payment-in-Kind Interest Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 5.00% | 5.00% |
Term Loan | Syndicate of Lenders | Line of Credit | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 5.00% |  |  |
Term Loan | Goldman Sachs Specialty Lending Group | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total |  | $ 91,226 |  | $ 90,016

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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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