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Debt - Debt Refinancing and Senior Notes Due 2019 Exchange Transaction (Details) - USD ($) |  |  |  |  |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 11, 2017 | Apr. 26, 2017 | Apr. 21, 2017 | Mar. 01, 2017 | Apr. 15, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Jun. 30, 2017 | Feb. 06, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt outstanding |  |  |  |  |  | $ 3,316,247,000 |  |  |  | $ 3,853,012,000
Repurchase payments of long term debt |  |  |  |  |  | 2,695,511,000 | $ 1,037,591,000 |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Required amount of proceeds received in public offering for exchange agreement to occur |  |  |  |  | $ 400,000,000 |  |  |  |  |
Gross proceeds from initial public offering, percent of equity value |  |  |  |  | 10.00% |  |  |  |  |
Class A Common Stock | IPO |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Sale of common stock in IPO (in dollars per share) | $ 14.00 |  |  |  |  |  |  |  | $ 14.00 |
Second Amended and Restated Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Borrowing under credit facility |  |  |  |  |  | 0 |  |  |  |
Second Amended and Restated Credit Agreement | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  | $ 141,000,000 |  |  |  |  |  |  |  |
Second Amended and Restated Credit Agreement | Revolving Credit Facility and Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Incremental borrowing capacity |  | $ 300,000,000 |  |  |  |  |  |  |  |
Debt to consolidated EBITDA ratio |  | 275.00% |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt outstanding |  |  |  |  |  | 800,000,000 |  |  |  | 1,388,036,000
Senior Notes | Senior Notes Due 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 9.25% |  |
Amount of debt to be exchanged |  |  |  |  | $ 250,000,000 |  |  |  |  |
Repurchase price, percent |  |  |  | 104.625% |  |  |  |  |  |
Debt outstanding | $ 1,125,443,000 |  |  |  |  |  |  |  |  |
Redemption price | 1,177,495,000 |  |  |  |  |  |  |  |  |
Principal amount redeemed | $ 1,205,630,000 |  |  |  |  |  |  |  |  |
Shares converted (in shares) | 18,683,000 |  |  |  |  |  |  |  |  |
Common stock shares issuable, percentage of aggregate principal amount | 104.625% |  |  |  |  |  |  |  |  |
Amount to be divided by initial public offering price per share, to determine number of shares authorized for exchange | $ 261,600,000 |  |  |  |  |  |  |  |  |
Payment for interest and special interest accrued | $ 11,100,000 |  |  |  |  |  |  |  |  |
Period for repurchase of additional principal amount |  |  |  |  | 60 days |  |  |  |  |
Amount able to be purchased after IPO |  |  |  |  | $ 62,500,000 |  |  |  |  |
Repurchase of aggregate principal amount |  |  |  | $ 22,556,000 |  |  |  |  |  |
Repurchase payments of long term debt |  |  |  | $ 23,599,000 |  |  |  |  |  |
Senior Notes | The Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt outstanding |  | $ 800,000,000 |  |  |  |  |  |  |  |
Senior Notes | The Senior Notes due 2025 | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  | 8.25% |  |  |  |  |  |  |  |
Repurchase price, percent |  | 106.188% |  |  |  |  |  |  |  |
Senior Notes | The Senior Notes due 2025 | Debt Instrument, Redemption, Period Two |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase price, percent |  | 100.00% |  |  |  |  |  |  |  |
Senior Notes | The Senior Notes due 2025 | Debt Instrument, Redemption, Period Three |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase price, percent |  | 108.25% |  |  |  |  |  |  |  |
Percentage of principal amount redeemed |  | 40.00% |  |  |  |  |  |  |  |
Senior Notes | The Senior Notes due 2025 | Debt Instrument, Redemption, Period Four |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase price, percent |  | 100.00% |  |  |  |  |  |  |  |
Convertible Debt | Exchanged Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of debt to be exchanged |  |  | $ 250,000,000 |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  |  | 70,800,000 |  |  |  |
Write off of deferred debt issuance costs |  |  |  |  |  | (8,425,000) |  |  |  |
Convertible Debt | Exchanged Notes | General and Administrative Expense |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on modification of debt |  |  |  |  |  | 22,800,000 |  |  |  |
Lines of credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt outstanding |  |  |  |  |  | 51,065,000 |  |  |  | $ 66,081,000
Lines of credit | New Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  | $ 385,000,000 |  |  |  |  |  |  |  |
Lines of credit | New Credit Facilities | Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  | $ 1,600,000,000 |  |  |  |  |  |  |  |
Lines of credit | Senior Secured Credit Facility | Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Amount of debt converted |  |  |  |  |  | $ 283,000,000 |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.50% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Revolving Credit Facility | Alternate Base Rate (ABR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 2.50% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.75% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 2.75% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of discount rate |  | 1.00% |  |  |  |  |  |  |  |
Debt issuance costs |  | $ 16,000,000 |  |  |  |  |  |  |  |
Percentage of amortization of debt discount |  | 1.00% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Debt Instrument, Covenant, Period One |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of principal amount outstanding prepayment |  | 101.00% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Debt Instrument, Covenant, Period Two |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of principal amount outstanding prepayment |  | 100.00% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Total interest rate |  |  |  |  |  | 5.73% |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 4.50% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.50% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 4.25% |  |  |  |  |  |  |  |
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan | Minimum | Alternate Base Rate (ABR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.25% |  |  |  |  |  |  |  |

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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + 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)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + 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://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 + 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://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)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + 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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- 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/presentationRef -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=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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://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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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