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Share-Based Compensation - Summary of Changes in Restricted Shares (Details) - Omnibus Plan - Restricted Shares - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of shares, beginning balance 196,480    
Number of shares, granted 210,622    
Number of shares, vested (48,491) (2,975) 0
Number of shares, forfeited (29,958)    
Number of shares, ending balance 328,653 196,480  
Weighted average grant date fair value, beginning balance $ 21.66    
Weighted average grant date fair value, granted 18.68    
Weighted average grant date fair value, vested 21.62    
Weighted average grant date fair value, forfeited 19.73    
Weighted average grant date fair value, ending balance $ 19.94 $ 21.66