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Share-based Compensation - Additional Information (Details)
shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
item
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Share-based compensation Expense      
Share based compensation cost capitalized | $ $ 2.3 $ 2.6 $ 1.5
Number of share-based compensation plan under which awards are currently made 1    
Number of share-based compensation plan under which no further awards will be made 2    
2018 Plan      
Share-based compensation Expense      
Shares of common stock available for issuance | shares 13.8    
Ratio of awards other than stock options counted against the total number of shares available for issuance 1.8