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Debt - Term Loan (Details) - USD ($) |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 21, 2016 | Jul. 11, 2014 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Sep. 22, 2016 | Jun. 15, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |
Financing costs expensed |  |  | $ 8,633,000 | $ 0 | $ 19,669,000 |  |
Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Original issue discount |  | 5.00% |  |  |  |  |
Secured Debt | Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line credit maximum borrowing amount |  | $ 50,000,000 |  |  |  |  |
Bridge Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Deferred finance costs, net |  |  |  |  |  | $ 3,000,000 |
Bridge Loan | Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line credit maximum borrowing amount |  | $ 75,000,000 |  |  |  |  |
Minimum | Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate during period |  | 10.00% |  |  |  |  |
Maximum | Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate during period |  | 12.00% |  |  |  |  |
Tranche B Term Loan | Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Deferred finance costs, net |  |  |  |  |  |  | $ 2,500,000
Repayments of debt | $ 5,000,000 |  |  |  |  |  |
Delayed Draw Term Loan and Bridge Loan Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Financing costs expensed |  |  | $ 1,800,000 |  |  |  |
Whitebox Advisors, LLC | Tranche B Term Loan | Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Deferred finance costs, net |  |  |  |  |  |  | $ 1,300,000
Repayments of debt | $ 3,300,000 |  |  |  |  |  |

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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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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