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Long-Term Debt - Senior Secured Credit Facilities (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 22, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |
Debt issuance costs and discount |  | $ 16,300,000 | $ 10,800,000
Senior secured term loan | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Original balance of debt |  | $ 1,290,000,000 |
Quarterly installment of original principal |  | 0.25% |
Senior secured revolving credit facility | Secured Debt | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Original balance of debt |  | $ 120,000,000.0 |
Long-term line of credit |  | 0 | $ 0
Outstanding balance on debt |  | $ 112,500,000 |
Commitment fee |  | 0.50% |
Net leverage ratio |  | 9.50 |
Commitment threshold |  | 35.00% |
Senior secured revolving credit facility | Secured Debt | Letter of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Outstanding balance on debt |  | $ 7,500,000 |
2018 Incremental Term Loan | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Original balance of debt |  | 180,000,000.0 |
2020 incremental term loans |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity | $ 120,000,000.0 |  |
Alternate base rate, floor | 2.00% |  |
Debt issuance costs and discount | $ 6,500,000 |  |
2020 incremental term loans | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Original balance of debt |  | $ 120,000,000.0 |
LIBOR | 2020 incremental term loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 8.00% |  |
Federal Funds Effective Swap Rate |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 3.00% |
Federal Funds Effective Swap Rate | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 0.50% |
Federal Funds Effective Swap Rate | 2020 incremental term loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.50% |  |
One Month LIBOR | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 1.00% |
One Month LIBOR | 2020 incremental term loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 1.00% |  |
Base Rate | Senior secured term loan | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 2.00% |
Base Rate | 2020 incremental term loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 7.00% |  |
Minimum | LIBOR | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 3.00% |
Minimum | Base Rate | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, margin in addition to base rate |  | 2.00% |
Maximum | LIBOR | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 3.25% |
Maximum | Base Rate | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, margin in addition to base rate |  | 2.25% |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 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 of unamortized debt discount (premium) and debt issuance costs. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: 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=119993939&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=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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