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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Assets    
Accumulated depreciation $ 873,795 $ 831,324
Preferred stock, $0.01 par value; 10,000,000 shares authorized, zero shares issued and outstanding as of March 31, 2022 and December 31, 2021    
Par value (in dollars per share) $ 0.01 $ 0.01
Shares authorized (in shares) 10,000,000 10,000,000
Shares issued (in shares) 0 0
Shares outstanding (in shares) 0 0
Common stock, $0.01 par value; 500,000,000 shares authorized, 230,954,777 and 230,398,655 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively    
Par value (in dollars per share) $ 0.01 $ 0.01
Shares authorized (in shares) 500,000,000 500,000,000
Shares issued (in shares) 230,954,777 230,398,655
Shares outstanding (in shares) 230,954,777 230,398,655