DEBT Narrative 1 - Revolving Credit Agreement (Details) - Revolving Credit Agreement [Member] $ in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2021
USD ($)
| |
| Debt Instrument [Line Items] | |
| Maximum borrowing capacity | $ 1,000,000 |
| Long-term debt | 157,000 |
| Current remaining borrowing capacity | 837,800 |
| Letters of credit outstanding, amount | $ 5,200 |
| Line of credit facility, interest rate description | The interest rate on the Revolving Credit Agreement is subject to adjustment if our debt rating is downgraded (or upgraded) by certain credit rating agencies. |
| Line of credit facility, weighted-average interest rate | 2.70% |
| Line of credit facility, covenant terms | For the rolling period of four quarters ending March 31, 2021, the consolidated debt coverage ratio (as defined in the Revolving Credit Agreement) could not exceed 5.00-to-1.00 and the consolidated interest coverage ratio (as defined in the Revolving Credit Agreement) must not be less than 1.75-to-1.00. |