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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
$ in Thousands
Total
Southwest Gas Holdings, Inc.
Southwest Gas Holdings, Inc. Common Stock, $1 Par Value
Additional paid-in capital
Accumulated other comprehensive loss
Retained earnings
Beginning balance (in shares) at Dec. 31, 2020     57,193,000      
Beginning balance at Dec. 31, 2020     $ 58,823 $ 1,609,155 $ (61,003) $ 1,067,978
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common stock issuances (in shares)     802,000      
Common stock issuances     $ 802 50,953    
Foreign currency exchange translation adjustment         823  
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax         1,379  
FSIRS amounts reclassified to net income, net of tax $ 413       413  
Net income           117,293
Dividends declared           (34,876)
Redemption value adjustments           (38,018)
Ending balance (in shares) at Mar. 31, 2021     57,995,000      
Ending balance at Mar. 31, 2021   $ 2,773,722 $ 59,625 1,660,108 (58,388) 1,112,377
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Dividends declared per share (in USD per share) $ 0.595          
FSIRS amounts reclassified to net income, net of tax $ 1,655          
Ending balance (in shares) at Mar. 31, 2022 66,849,225   66,849,000      
Ending balance at Mar. 31, 2022   3,489,082 $ 68,479 2,273,837 (43,972) 1,190,738
Beginning balance (in shares) at Dec. 31, 2021 60,422,081   60,422,000      
Beginning balance at Dec. 31, 2021     $ 62,052 1,824,216 (46,761) 1,114,313
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common stock issuances (in shares)     6,427,000      
Common stock issuances     $ 6,427 449,621    
Foreign currency exchange translation adjustment         1,247  
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax         1,126  
FSIRS amounts reclassified to net income, net of tax $ 416       416  
Net income           96,178
Dividends declared           (41,909)
Redemption value adjustments $ (22,156)         22,156
Ending balance (in shares) at Mar. 31, 2022 66,849,225   66,849,000      
Ending balance at Mar. 31, 2022   $ 3,489,082 $ 68,479 $ 2,273,837 $ (43,972) $ 1,190,738
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Dividends declared per share (in USD per share) $ 0.62