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Debt - ABL Loan Agreement (Details) - USD ($) |  | 12 Months Ended
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Jul. 24, 2018 | Dec. 31, 2018
Revolving Credit Facility | ABL Credit Facility |  |
Debt Instrument [Line Items] |  |
Line of credit facility, increase (decrease) | $ 10,000,000 |
Line credit maximum borrowing amount | $ 85,000,000 |
Revolving Credit Facility | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Line of credit facility, fair value of amount outstanding |  | $ 0
Line of credit facility, borrowing base |  | $ 54,700,000
Effective percentage |  | 4.30%
Borrowing Base Greater than 50% | London Interbank Offered Rate (LIBOR) | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 1.75%
Borrowing Base Greater than 50% | Prime Rate | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 0.75%
Borrowing Base Greater than 30% and less than or Equal to 50% | London Interbank Offered Rate (LIBOR) | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 2.00%
Borrowing Base Greater than 30% and less than or Equal to 50% | Prime Rate | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 1.00%
Borrowing Base Less Than or Equal to 30% | London Interbank Offered Rate (LIBOR) | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 2.25%
Borrowing Base Less Than or Equal to 30% | Prime Rate | ABL Revlover |  |
Debt Instrument [Line Items] |  |
Debt instrument margin rate |  | 1.25%

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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