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DEBT OBLIGATIONS - Narrative (Details) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Apr. 27, 2021 USD ($) d | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, net |  | $ 318,187,000 |  |  | $ 318,187,000 |  | $ 357,873,000
Long-term debt, gross |  | 330,000,000 |  |  | 330,000,000 |  | 382,040,000
Payment-in-kind interest |  |  |  |  | 2,512,000 | $ 3,415,000 |
Interest expense |  | 7,285,000 | $ 11,668,000 |  | 16,453,000 | 21,983,000 |
Amortization of debt discount (premium) and debt issuance costs |  | 600,000 | $ 700,000 |  | 1,200,000 | $ 1,100,000 |
Deferred lender fees |  | 8,813,000 |  |  | 8,813,000 |  | 4,725,000
Goldman Sachs Specialty Lending Group |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, gross |  | 105,100,000 |  |  | 105,100,000 |  |
Borrowings outstanding under revolving credit facility |  | 80,000,000.0 |  |  | 80,000,000.0 |  |
Interest payable |  | $ 25,100,000 |  |  | $ 25,100,000 |  |
Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total net leverage ratio, year one | 6.50 |  |  |  |  |  |
Total net leverage ratio, year two | 6.00 |  |  |  |  |  |
Total net leverage ratio, year three | 5.50 |  |  |  |  |  |
Line of Credit | Credit and Guaranty Agreement | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate, LIBOR floor |  |  |  |  | 1.00% |  |
Line of Credit | Goldman Sachs Specialty Lending Group |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate, effective percentage |  | 5.00% |  |  | 5.00% |  |
Line of Credit | Goldman Sachs Specialty Lending Group | Applicable Margin |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Applicable margin |  |  |  |  | 5.00% |  |
Line of Credit | Revolving Credit Facility | Credit and Guaranty Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 25,000,000.0 |  |  | $ 25,000,000.0 |  |
Unused commitment fee percentage |  |  |  |  | 0.50% |  |
Long-term debt, net |  | 274,600,000 |  |  | $ 274,600,000 |  |
Long-term debt, gross |  | 30,000,000 |  |  | 30,000,000 |  |
Deferred lender fees | $ 6,400,000 | 6,400,000 |  | $ 2,700,000 | 6,400,000 |  |
Incurred refinancing fees |  | 7,200,000 |  |  | 7,200,000 |  |
Incurred debt issuance costs |  | 1,900,000 |  |  | 1,900,000 |  |
Debt extinguishment and modification costs |  |  |  |  | 8,300,000 |  |
Lender fees |  |  |  |  | 5,300,000 |  |
Write off of deferred debt Issuance cost |  |  |  |  | $ 3,000,000.0 |  |
Expensed costs |  |  |  | $ 400,000 |  |  |
Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum percentage of credit outstanding (as a percent) | 35.00% |  |  |  |  |  |
Credit and Guaranty Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity | $ 630,000,000.0 |  |  |  |  |  |
Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Incremental prepayment penalty (as a percent) | 1.00% |  |  |  |  |  |
Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity | $ 40,000,000.0 |  |  |  |  |  |
Unused commitment fee percentage | 0.50% |  |  |  |  |  |
Debt instrument, interest rate, LIBOR floor |  |  |  |  | 1.00% |  |
Long-term debt, gross |  | 30,000,000 |  |  | $ 30,000,000 |  | 0
Credit Agreement | Line of Credit | Revolving Credit Facility | Credit and Guaranty Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Third party costs | $ 12,900,000 |  |  |  |  |  |
Credit Agreement | Medium-term Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity | $ 290,000,000.0 |  |  |  |  |  |
Credit Agreement | Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  | 300,000,000.0 |  |  | $ 300,000,000.0 |  |
Debt instrument, interest rate, LIBOR floor |  |  |  |  | 1.00% |  |
Long-term debt, gross |  | $ 300,000,000 |  |  | $ 300,000,000 |  | $ 0
Credit Agreement | Secured Debt | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Unused commitment fee percentage | 2.875% |  |  |  |  |  |
Number of days after closing date | d | 46 |  |  |  |  |  |
Credit Agreement | Secured Debt | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Unused commitment fee percentage | 5.75% |  |  |  |  |  |
Number of days after closing date | d | 90 |  |  |  |  |  |
Delayed Draw Term Loan | Line of Credit | Revolving Credit Facility | Credit and Guaranty Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Other refinancing fees | $ 5,700,000 |  |  |  |  |  |

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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=120391452&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=120398452&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=120400017&loc=d3e572229-122910 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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)(3) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: 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=120398452&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: 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=120391452&loc=d3e13212-122682 + Details
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- Definition Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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