REVENUE (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Regulated Operating Revenue, Gas | $ 1,787,815 | $ 1,510,501 | $ 1,647,479 |
Regulated Operating Revenue, Other | 11,132 | 11,468 | 9,950 |
Regulated Operating Revenue | 1,808,597 | 1,530,268 | 1,652,730 |
Natural gas sales to customers [Member] | |||
Regulated Operating Revenue, Gas | 1,652,566 | 1,381,141 | 1,512,886 |
Transportation revenues [Member] | |||
Regulated Operating Revenue, Gas | 118,492 | 113,855 | 114,014 |
Miscellaneous revenues [Member] | |||
Regulated Operating Revenue, Gas | 16,757 | 15,505 | 20,579 |
Other revenues - natural gas sales related [Member] | |||
Other revenues - natural gas sales related | 9,650 | 8,299 | (4,699) |
Other revenues [Member] | |||
Regulated Operating Revenue, Other | $ 20,782 | $ 19,767 | $ 5,251 |