XML 67 R50.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt - Additional Information (Details) - USD ($) |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2017 | Dec. 23, 2016 | Jun. 07, 2016 | Dec. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Aug. 25, 2017 | Jan. 31, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Payment of special dividend |  |  | $ 72,000,000 |  |  | $ 0 | $ 0 | $ 68,000,000 |  |
Repayment of senior secured credit facility |  |  |  |  |  | 2,000,000 | $ 25,900,000 | 13,200,000 |  |
Term loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Net proceeds in excess of term loan |  |  |  |  |  | 2,500,000 |  |  |  |
Term loan | Fiscal Quarters Ending September 30, 2017 through June 30, 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, periodic payment |  |  |  |  |  | 2,062,500 |  |  |  |
Term loan | Fiscal Quarters Ending September 30, 2019 through June 30, 2020 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, periodic payment |  |  |  |  |  | 2,475,000 |  |  |  |
Term loan | Fiscal Quarters Ending September 30, 2020 through June 30, 2021 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, periodic payment |  |  |  |  |  | 3,093,750 |  |  |  |
Term loan | Fiscal Quarters Ending September 30, 2021 through June 30, 2022 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, periodic payment |  |  |  |  |  | 4,125,000 |  |  |  |
2014 Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Write off of unamortized debt discount and debt issuance costs |  |  |  | $ 1,700,000 |  |  |  |  |  |
Write off of other fees associated with refinancing transaction |  |  |  | 100,000 |  |  |  |  |  |
Unamortized debt discount |  |  |  |  |  | 700,000 |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 800,000 |  |  |  |
2014 Senior Secured Credit Facility | Revolving credit facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  | 25,000,000 |  |  |  |  |  |  | $ 20,000,000
2014 Senior Secured Credit Facility | Term loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  |  |  |  |  | 105,000,000
Borrowings outstanding under senior secured credit facility |  |  | $ 64,000,000 |  |  |  |  |  |  |
2014 Senior Secured Credit Facility | Second lien term loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  |  |  |  |  | $ 40,000,000
Repayment of senior secured credit facility | $ 40,000,000 |  |  |  |  |  |  |  |  |
Debt prepayment penalty |  |  |  |  | $ 400,000 |  |  |  |  |
Write off of unamortized debt issuance costs |  |  |  |  | $ 500,000 |  |  |  |  |
Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  | $ 200,000,000 |  |  |  |  |  |  | $ 215,000,000.0 |
Facility term |  | 5 years |  |  |  |  |  |  |  |
Cost incurred related to credit facility |  |  |  | 2,300,000 |  |  |  | 2,300,000 | 500,000 |
Amortization period |  |  |  |  |  | 5 years |  |  |  |
Senior Secured Credit Facility | Lender Fees |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Cost incurred related to credit facility |  |  |  | 2,100,000 |  |  |  | 2,100,000 |  |
Senior Secured Credit Facility | Third-Party Fees |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Cost incurred related to credit facility |  |  |  | $ 200,000 |  |  |  | $ 200,000 |  |
Senior Secured Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable rate floor |  |  |  |  |  | 0.00% |  |  |  |
Senior Secured Credit Facility | Minimum | LIBOR |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on interest rate |  | 2.00% |  |  |  | 1.50% |  |  |  |
Senior Secured Credit Facility | Minimum | Base Rate |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on interest rate |  | 1.00% |  |  |  | 0.50% |  |  |  |
Senior Secured Credit Facility | Maximum | LIBOR |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on interest rate |  | 3.50% |  |  |  | 2.75% |  |  |  |
Senior Secured Credit Facility | Maximum | Base Rate |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on interest rate |  | 2.50% |  |  |  | 2.75% |  |  |  |
Senior Secured Credit Facility | Revolving credit facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  | $ 50,000,000 |  |  | 50,000,000.0 |
Revolving credit facility, unused amount |  |  |  |  |  | $ 49,500,000 |  |  |  |
Senior Secured Credit Facility | Revolving credit facility | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Revolving credit facility, commitment fee |  |  |  |  |  | 0.25% |  |  |  |
Senior Secured Credit Facility | Revolving credit facility | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Revolving credit facility, commitment fee |  |  |  |  |  | 0.35% |  |  |  |
Senior Secured Credit Facility | Term loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  |  |  |  | $ 165,000,000.0 |
Credit facility, interest rate |  |  |  |  |  | 4.80% |  |  |  |
Senior Secured Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  | $ 7,000,000 |  |  |  |
Senior Secured Credit Facility | Swing Line Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts available under senior secured credit facility |  |  |  |  |  | $ 5,000,000 |  |  |  |

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- Definition Line Of Credit Covenant For Mandatory Payment Net Proceeds From Asset Disposition. + References No definition available. + Details
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- Definition Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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 2: 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 Reference 3: 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 + Details
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