XML 118 R102.htm IDEA: XBRL DOCUMENT v3.20.4
Completion of Electric Utility Reorganization Plan (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2020
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]                            
Gain (loss) on transfer of net assets $ 0                          
Electric                       $ 37,024,000 $ 39,548,000 $ 34,350,000
Net Income   $ 20,211,000 $ 26,530,000 $ 25,612,000 $ 14,072,000 $ 16,700,000 $ 28,006,000 $ 26,784,000 $ 12,852,000     86,425,000 84,342,000 63,871,000
Net cash provided from operating activities                       122,170,000 116,864,000 136,774,000
Net cash used in investing activities (capital expenditures)                       (131,610,000) (153,195,000) (128,042,000)
Net cash provided from financing activities                       44,843,000 30,524,000 (1,805,000)
Maximum borrowing capacity   260,000,000.0               $ 260,000,000.0   $ 260,000,000.0    
Revision of Prior Period, Adjustment                            
Restructuring Cost and Reserve [Line Items]                            
Operating income           3,700,000                
Bear Valley Electric Service, Inc.                            
Restructuring Cost and Reserve [Line Items]                            
Gain (loss) on transfer of net assets 0                          
Income tax liability 0                          
Debt instrument, term                   3 years   3 years    
Maximum borrowing capacity 35,000,000.0                          
Fair value of amount outstanding   20,200,000               $ 20,200,000   $ 20,200,000    
Incremental expansion of borrowing capacity 35,000,000.0 15,000,000.0               15,000,000.0   15,000,000.0    
Dividends   12,400,000                        
Bear Valley Electric Service, Inc. | Electric                            
Restructuring Cost and Reserve [Line Items]                            
Electric                   18,377,000        
Operating expenses                   13,074,000        
Operating income                   5,303,000        
Net Income                   3,870,000        
Net cash provided from operating activities                   1,887,000        
Net cash used in investing activities (capital expenditures)                   (9,339,000)        
Net cash provided from financing activities                   7,799,000        
Net change in cash and cash equivalents                   347,000        
Cash and cash equivalents, end of period 20,000 367,000               $ 367,000   367,000    
GSWC                            
Restructuring Cost and Reserve [Line Items]                            
Electric                       18,647,000 39,548,000 34,350,000
Net Income   $ 11,707,000 $ 21,143,000 $ 20,919,000 $ 11,202,000 $ 11,981,000 $ 23,362,000 $ 22,298,000 $ 9,022,000     64,971,000 66,663,000 48,012,000
Net cash provided from operating activities                       110,337,000 96,628,000 120,439,000
Net cash used in investing activities (capital expenditures)                       (117,684,000) (144,188,000) (117,898,000)
Net cash provided from financing activities                       42,524,000 43,774,000 $ 1,432,000
Dividends                       $ 71,344,000    
GSWC | Electric                            
Restructuring Cost and Reserve [Line Items]                            
Electric                     $ 21,510,000   $ 2,510,000  
Operating expenses                     13,153,000      
Operating income                     8,357,000      
Net Income                     $ 5,422,000      
Bear Valley Electric Service, Inc.                            
Restructuring Cost and Reserve [Line Items]                            
Net assets transferred $ 71,300,000