Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Details)

v3.20.1
Shareholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Feb. 05, 2019
Jul. 21, 2016
Shareholders' Equity [Line Items]              
Dividends per share (in dollars per share) $ 0.18       $ 0.18    
Stock Repurchased and Retired During Period, Shares 268,000       230,000    
Stock Repurchased and Retired During Period, In Total Dollars $ 15,259       $ 14,181    
Repurchase of Common Stock, Average Cost Per Share $ 56.93       $ 61.69    
Common Stock [Member]              
Shareholders' Equity [Line Items]              
Dividends per share (in dollars per share) $ 0.18 $ 0.18 $ 0.18 $ 0.18 $ 0.18    
2016 Stock Repurchase Plan [Member]              
Shareholders' Equity [Line Items]              
Stock Repurchase Program, Number of Shares Authorized to be Repurchased             3,000,000
Stock Repurchased and Retired During Period, Shares         68,000    
Stock Repurchased and Retired During Period, In Total Dollars         $ 3,850    
Repurchase of Common Stock, Average Cost Per Share         $ 56.97    
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 0            
2019 Stock Repurchase Plan [Member]              
Shareholders' Equity [Line Items]              
Stock Repurchase Program, Number of Shares Authorized to be Repurchased           5,000,000  
Stock Repurchased and Retired During Period, Shares 268,000       162,000    
Stock Repurchased and Retired During Period, In Total Dollars $ 15,259       $ 10,331    
Repurchase of Common Stock, Average Cost Per Share $ 56.93       $ 63.66    
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 3,887,000