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Senior Unsecured Notes (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 14, 2022 | Jun. 23, 2021 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Unsecured Long-term Debt, Noncurrent |  |  | $ 1,570,648 |  |  | $ 1,570,648 |  | $ 1,673,452
Loss on extinguishment of debt |  |  | $ (67,226) |  | $ (2,144) | $ (67,605) | $ (2,144) |
5.0% Senior Unsecured Notes due 2024 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  |  | 5.00% |  |  | 5.00% |  | 5.00%
Senior Notes, Principal amount |  |  | $ 0 |  |  | $ 0 |  | $ 104,769
Senior Notes, unamortized deferred financing costs |  |  | 0 |  |  | 0 |  | 403
Unsecured Long-term Debt, Noncurrent |  |  | $ 0 |  |  | $ 0 |  | $ 104,366
Senior Notes, exchanged or repurchased face amount | $ 104,800 | $ 172,300 |  |  |  |  |  |
Senior Notes, Redemption Price, Percentage | 100.00% |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ (400) |  |  |  |
5.0% Senior Unsecured Notes due 2024 | Accelerated unamortized deferred financing costs |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  | $ 400 |  |  |  |
5.625% Senior Unsecured Notes due 2025 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  |  | 5.625% |  |  | 5.625% |  | 5.625%
Senior Notes, Principal amount |  |  | $ 349,118 |  |  | $ 349,118 |  | $ 349,118
Senior Notes, unamortized deferred financing costs |  |  | 1,844 |  |  | 1,844 |  | 2,160
Unsecured Long-term Debt, Noncurrent |  |  | $ 347,274 |  |  | $ 347,274 |  | $ 346,958
6.75% Senior Unsecured Notes due 2026 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  |  | 6.75% |  |  | 6.75% |  | 6.75%
Senior Notes, Principal amount |  |  | $ 419,235 |  |  | $ 419,235 |  | $ 419,235
Senior Notes, unamortized deferred financing costs |  |  | 2,919 |  |  | 2,919 |  | 3,270
Unsecured Long-term Debt, Noncurrent |  |  | $ 416,316 |  |  | $ 416,316 |  | $ 415,965
6.625% Senior Unsecured Notes due 2027 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  |  | 6.625% |  |  | 6.625% |  | 6.625%
Senior Notes, Principal amount |  |  | $ 416,791 |  |  | $ 416,791 |  | $ 416,791
Senior Notes, unamortized deferred financing costs |  |  | 3,560 |  |  | 3,560 |  | 3,949
Unsecured Long-term Debt, Noncurrent |  |  | $ 413,231 |  |  | $ 413,231 |  | $ 412,842
6.5% Senior Unsecured Notes Due 2028 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  |  | 6.50% |  |  | 6.50% |  | 6.50%
Senior Notes, Principal amount |  | $ 400,000 | $ 400,000 |  |  | $ 400,000 |  | $ 400,000
Senior Notes, unamortized deferred financing costs |  |  | 6,173 |  |  | 6,173 |  | 6,679
Unsecured Long-term Debt, Noncurrent |  |  | 393,827 |  |  | 393,827 |  | 393,321
Debt Instrument, Maturity Date |  | Jul. 15, 2028 |  |  |  |  |  |
Proceeds from Debt, Net of Issuance Costs |  | $ 392,800 |  |  |  |  |  |
Senior Secured Notes, Debt Issuance Costs, Gross |  | $ 7,200 |  |  |  |  |  |
Senior Unsecured Notes |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, Principal amount |  |  | 1,585,144 |  |  | 1,585,144 |  | 1,689,913
Senior Notes, unamortized deferred financing costs |  |  | $ 14,496 |  |  | $ 14,496 |  | $ 16,461
6.125% Senior Unsecured Notes due 2022 |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Notes, interest rate, stated percentage |  | 6.125% |  |  |  |  |  |
Senior Notes, exchanged or repurchased face amount |  | $ 193,100 |  |  | 19,300 |  | 19,300 |
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024 [Member] |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Senior Unsecured Notes, repurchased settlement amount |  |  |  |  | 385,300 |  | $ 385,300 |
Loss on extinguishment of debt |  |  |  |  | (2,100) |  |  |
Debt Instrument, Repurchase Premium |  |  |  |  | 600 |  |  |
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024 [Member] | Accelerated unamortized deferred financing costs |  |  |  |  |  |  |  |
Senior Secured Notes [Line Items] |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  | $ 1,500 |  |  |

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