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Senior Notes (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
May 31, 2018 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | May 13, 2021
Debt Instrument [Line Items] |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  | $ 800,000
Debt instrument, term |  | 89 months |  |  |
Proceeds from the issuance of the senior notes |  | $ 395,500,000 | $ 0 | $ 0 |
Amortization of debt issuance costs |  | 576,000 | 782,000 | 392,000 |
Write-off Of Unamortized Debt Issuance Costs |  | 1,800,000 |  |  |
Net loss on divestitures, disposals and impairment charges |  | 3,400,000 |  |  |
Write-off Of Unamortized Debt Premium |  | 1,400,000 |  |  |
Early Repayment of Senior Debt |  | 19,876,000 | 0 | 0 |
Gain (Loss) on Extinguishment of Debt |  | $ (23,807,000) | (6,000) | 0 |
Debt Instrument, Redemption Period |  | 180 days |  |  |
Senior Note Two [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amortization of Debt Discount (Premium) |  | $ 85,000 | 221,000 | 0 |
Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount |  | 400,000,000 |  |  | $ 400,000,000
Long-term debt, fair value |  | 401,600,000 |  |  |
Interest expense |  | 21,767,000 | 26,500,000 | 21,711,000 |
Amortization of Debt Discount (Premium) |  | 504,000 | 528,000 | 493,000 |
Amortization of debt issuance costs |  | $ 195,000 | $ 280,000 | $ 139,000 |
Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) | 102.13% |  |  |  |
Senior Notes [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) | 101.06% |  |  |  |
Senior Notes [Member] | Debt Instrument, Redemption, Period Three [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) | 100.00% |  |  |  |
Senior Notes [Member] | Debt Instrument, Redemption, Period Four |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | 40.00% |  |  |  |
Senior Notes [Member] | Debt Instrument, Redemption, Period Five |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) | 104.25% | 101.00% |  |  |
Senior Notes [Member] | Debt Instrument, Redemption, Period Six |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) |  | 100.00% |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | 50.00% |  |  |  |
Senior Notes [Member] | Senior Note One [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Discount Rate |  | 4.42% |  |  |
Debt Instrument, Unamortized Debt Issuance Costs |  |  | 6.69% |  |
Senior Notes [Member] | Senior Note Two [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument interest rate (in percent) |  | 6.625% |  |  |
Principal amount | $ 400,000,000 | $ 400,000,000 | $ 400,000,000 |  |
Debt premium, net of accumulated amortization of $221 |  | $ 0 | $ 1,467,000 |  |
Debt Instrument, Unamortized Debt Issuance Costs |  | 4.30% | 6.90% |  |
Senior Notes [Member] | Senior Notes Due 2026 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Issuance Costs, Gross |  | $ 1,300,000 |  |  |
Proceeds from the issuance of the senior notes |  | 395,500,000 |  |  |
Debt Instrument, Unamortized Discount |  | 4,500,000 |  |  |
Interest expense |  | $ 13,250,000 |  |  |
Debt Instrument, Unamortized Discount, Percent |  | 1.125% |  |  |
Early Repayment of Senior Debt |  | $ 19,900,000 |  |  |
Senior Notes [Member] | Senior Notes Due 2026 | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt redemption price (percent) | 104.97% |  |  |  |
Senior Notes 4.25% |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  | $ 23,700,000 |  |  |
Senior Notes 4.25% | Senior Note Two [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument interest rate (in percent) |  |  |  |  | 4.25%

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