v3.26.1
Earnings per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share [Abstract]        
Net Income attributable to stockholders of Navigator Holdings Ltd. $ 52,985 $ 21,453 $ 88,446 $ 48,490
Basic weighted average number of shares (in shares) 61,617,038 68,808,277 63,271,759 69,097,844
Effect of dilutive potential share options (in shares) 751,623 694,070 731,774 713,107
Diluted weighted average number of shares (in shares) 62,368,661 69,502,347 64,003,533 69,810,951
Earnings per share attributable to stockholders of Navigator Holdings Ltd.:        
Basic earnings per share (in dollars per share) $ 0.86 $ 0.31 $ 1.40 $ 0.70
Diluted earnings per share (in dollars per share) $ 0.85 $ 0.31 $ 1.38 $ 0.69