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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jul. 31, 2021
Equity, Class of Treasury Stock [Line Items]          
Preferred stock $ 0 $ 0 $ 92,000    
Common stock 59,885 59,885 59,885    
Legal surplus $ 117,700 $ 117,700 $ 103,300    
Stock repurchase program, authorized amount         $ 50,000
Shares repurchased during period (in shares) 2,052,429 2,052,429 175,000 0  
Common shares repurchased $ 49,900 $ 49,872 $ 2,226 $ 0  
Share repurchased, average price per share (in dollars per share) $ 24.29   $ 12.69    
Preferred stock          
Equity, Class of Treasury Stock [Line Items]          
Preferred stock, redemption price (in dollars per share)         $ 25.00
Accumulated preferred stock issuance costs charged against paid in capital     $ 10,100    
Common stock          
Equity, Class of Treasury Stock [Line Items]          
Accumulated common stock issuance costs charged against paid in capital $ 13,600 $ 13,600 $ 13,600    
Shares repurchased during period (in shares)   0 0 0