XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Note 6 - Stockholders' Equity (Details Textual)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Feb. 24, 2021
$ / shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
Jun. 30, 2020
USD ($)
$ / shares
Mar. 31, 2020
USD ($)
Jun. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2020
USD ($)
$ / shares
Dec. 31, 2020
shares
Capital Units, Authorized (in shares)   245,000,000       245,000,000    
Common Stock, Shares Authorized (in shares)   200,000,000       200,000,000   200,000,000
Preferred Stock, Shares Authorized (in shares)   20,000,000       20,000,000    
Common Stock, Voting Rights, Votes Per Share   1       1    
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares   $ 0.08   $ 0   $ 0.16 $ 0  
Dividends, Common Stock, Total | $   $ 7,000 $ 8,000          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   3,209,452       3,209,452   4,006,948
Treasury Stock, Value, Acquired, Cost Method | $       $ 43,000 $ 6,000      
Common Class A [Member]                
Common Stock, Shares Authorized (in shares)   25,000,000       25,000,000   25,000,000
Common Stock, Voting Rights, Votes Per Share   10       10    
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   1,103,015       1,103,015   1,336,440
Common Stock and Class A Common Stock [Member]                
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares $ 0.08              
Dividends, Common Stock, Total | $           $ 15,000 $ 0  
Treasury Stock, Value, Acquired, Cost Method | $           0    
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $   $ 204,000       $ 204,000