v3.24.2.u1
Supplemental Cash Flow - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Restricted Cash and Cash Equivalents Items [Line Items]        
Cash and cash equivalents $ 65,192 $ 32,920 $ 137,759  
Restricted Cash 15,847 16,704 17,324  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 81,039 49,624 155,083 $ 40,964
Money Market Funds, at Carrying Value 11,400   116,500  
Northwest Natural Gas Company [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Cash and cash equivalents 19,189 19,841 131,778  
Restricted Cash 15,822 16,679 17,299  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 35,011 $ 36,520 149,077 $ 24,671
Money Market Funds, at Carrying Value $ 8,200   $ 116,500