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v3.21.1

Long-term Debt - Senior Notes (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 42 Months Ended
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 28, 2021
Debt Instrument [Line Items] |  |  |  |
Debt financing and related expenses |  | $ 200 | $ 0 |
Senior Notes [Member] | 4.875% Senior Unsecured Notes Due 2025 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount | $ 300,000 | $ 300,000 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.875% | 4.875% |  |
Debt Instrument, Maturity Date |  | Oct. 15, 2025 |  |
Debt Instrument, Redemption Price, Percentage |  | 102.438% |  |
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount | $ 400,000 | $ 400,000 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.125% | 4.125% |  |
Debt Instrument, Maturity Date |  | Apr. 15, 2029 |  |
Payments of Financing Costs |  | $ 5,100 |  |
Percentage of principal that can be redeemed with cash from proceeds of an equity offering |  | 40.00% |  |
Debt instrument redemption price with net proceeds from equity offering |  | 104.125% |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Two [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 102.063% |  |
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Three [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 101.031% |  |
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Four [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |
Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Maturity Date | Mar. 29, 2026 |  |  | Sep. 20, 2022
Payments of Financing Costs |  | $ 1,000 |  |

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