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Stockholders' Equity - Narrative (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 17, 2018
Aug. 04, 2016
Jun. 02, 2016
Jul. 16, 2015
Equity, Class of Treasury Stock [Line Items]            
Repurchased stock (in shares) 4,938          
Share price (in usd per share)           $ 10
Common Stock Repurchase Plan            
Equity, Class of Treasury Stock [Line Items]            
Stock repurchase program, number of shares authorized to be repurchased (in shares)     273,150 595,342    
Shares authorized to be repurchased, percent     5.00%      
Repurchased stock (in shares) 199,202 373,948        
Restricted Stock | 2016 Plan            
Equity, Class of Treasury Stock [Line Items]            
Common stock, shares authorized for purchase 112,600       112,600  
Average | Common Stock Repurchase Plan            
Equity, Class of Treasury Stock [Line Items]            
Share price (in usd per share) $ 16.40 $ 17.95