Fair Value Measurements Schedule of Fair Value of Liabilities (Details) - USD ($)
$ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Long-term debt, net |
$ 1,057,389
|
$ 691,630
|
| Senior Notes |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Long-term debt, net |
882,389
|
391,630
|
| Senior Notes Due 2026 | Senior Notes |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of senior notes |
394,480
|
372,000
|
| Long-term Debt, Gross |
400,000
|
400,000
|
| Senior Notes Due 2027 | Senior Notes |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of senior notes |
520,000
|
|
| Long-term Debt, Gross |
500,000
|
0
|
| Carrying Value | Senior Notes Due 2026 | Senior Notes |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Long-term debt, net |
392,623
|
391,630
|
| Carrying Value | Senior Notes Due 2027 | Senior Notes |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Long-term debt, net |
489,766
|
|
| Revolving Credit Facility | Line of Credit |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of senior notes |
175,000
|
300,000
|
| Long-term Debt, Gross |
175,000
|
300,000
|
| Revolving Credit Facility | Carrying Value | Line of Credit |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Long-term Debt, Gross |
$ 175,000
|
$ 300,000
|