General form of registration statement for all companies including face-amount certificate companies

Long-Term Debt - Narrative (Details)

v3.19.3.a.u2
Long-Term Debt - Narrative (Details) - USD ($)
1 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2019
Sep. 30, 2016
Feb. 29, 2016
Sep. 30, 2019
Jan. 31, 2019
Aug. 31, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]                    
Long-term debt       $ 994,000,000       $ 1,816,450,000 $ 1,718,297,000  
Repayment of debt       $ 5,000,000   $ 379,666,000 $ 136,600,000 184,100,000 175,250,000 $ 1,238,059,000
Letter of Credit                    
Debt Instrument [Line Items]                    
Maximum borrowing, amount               600,000    
Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Line of credit               144,200,000    
Remaining borrowing on line of credit               $ 50,200,000    
Springing maturity period               181 days    
LIBOR | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Unused capacity fee for line of credit               0.50%    
Principal Owner                    
Debt Instrument [Line Items]                    
Related party, approved principal amount contribution     $ 88,000,000   $ 2,250,000          
Principal Owner | Subsequent Event                    
Debt Instrument [Line Items]                    
Related party, approved principal amount contribution         2,250,000          
Parent Issuer                    
Debt Instrument [Line Items]                    
Repayment of debt               $ 184,100,000 175,250,000 $ 1,238,059,000
Predecessor Senior Notes                    
Debt Instrument [Line Items]                    
Extinguishment of debt $ 585,000,000                  
Predecessor Senior Notes | Senior Notes 9.125 Percent Due 2020                    
Debt Instrument [Line Items]                    
Principal               $ 585,000,000    
Debt interest rate 9.125%         9.125%   9.125%    
Deferred financing costs, net of accumulated amortization               $ 2,870,000    
Long-term debt               $ 585,000,000 580,026,000  
Effective interest rate               9.10%    
Promissory Note, Intercompany | Promissory Note Due to Ascent Capital due October 2020                    
Debt Instrument [Line Items]                    
Long-term debt     $ 12,000,000         $ 12,000,000 12,000,000  
Repayment of debt         9,750,000          
Effective interest rate               12.50%    
Promissory Note, Intercompany | Promissory Note Due to Ascent Capital due October 2020 | Subsequent Event                    
Debt Instrument [Line Items]                    
Repayment of debt         $ 9,750,000          
Promissory Note, Intercompany | Promissory Note Due to Ascent Capital due October 2020 | Parent Issuer                    
Debt Instrument [Line Items]                    
Debt interest rate     12.50%              
Extinguishment of debt     $ 100,000,000              
Term Loan                    
Debt Instrument [Line Items]                    
Principal $ 150,000,000         $ 150,000,000        
Term Loan | Interest Rate Swap | Designated as Hedging Instrument                    
Debt Instrument [Line Items]                    
Effective weighted average interest rate on borrowings               8.08%    
Term Loan | Term Loan Due September 2022                    
Debt Instrument [Line Items]                    
Principal 1,072,500,000 $ 1,100,000,000       $ 1,072,500,000   $ 1,075,250,000    
Long-term debt               $ 1,075,250,000 1,059,598,000  
Effective interest rate               8.60%    
Debt discount on purchase price, percentage   1.50%                
Line of credit facility, periodic payment $ 2,750,000             $ 2,750,000    
Springing maturity period               181 days    
Term Loan | Term Loan Due September 2022 | LIBOR                    
Debt Instrument [Line Items]                    
Variable interest rate base floor 5.50%             5.50%    
Floor on variable debt 1.00%             1.00%    
Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Deferred financing costs and unamortized discounts, net               $ 23,215,000    
Revolving Credit Facility | Revolving Credit Facility Due 2021                    
Debt Instrument [Line Items]                    
Long-term debt               $ 144,200,000 $ 66,673,000  
Effective interest rate               4.80%    
Maximum borrowing, amount   $ 295,000,000           $ 295,000,000    
Variable interest rate base floor               4.00%    
Springing maturity period               181 days    
Revolving Credit Facility | Revolving Credit Facility Due 2021 | LIBOR                    
Debt Instrument [Line Items]                    
Variable interest rate base floor               4.00%    
Floor on variable debt               1.00%