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Stock Repurchases (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Aug. 24, 2019
Dec. 31, 2019
Dec. 31, 2020
Equity, Class of Treasury Stock [Line Items]      
Total Number of Shares Purchased 44,500 44,500  
Average Price Paid Per Share $ 44.83 $ 44.83  
Maximum Dollar Value of Shared That May Yet Be Purchased Under the Program     $ 87,000
Publicly Announced Program [Member]      
Equity, Class of Treasury Stock [Line Items]      
Total Number of Shares Purchased as Part of Publicly Announced Program 44,500 44,500  
Maximum Dollar Value of Shared That May Yet Be Purchased Under the Program   $ 86,710