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Shareholders' Equity
 6 Months Ended
Jun. 30, 2020
Shareholders' Equity [Abstract]  
Shareholders' Equity

(11)  Shareholders' Equity:

On August 31, 2017, the Company's Board of Directors authorized the reinstatement of its share repurchase program for up to 2,464,209 shares of the Company's Class A or Class B Common Stock.  On August 6, 2019, the Company's Board of Directors reaffirmed its share repurchase program, but also provided that the aggregate dollar amount of shares of the Company's common stock that may be repurchased under the share repurchase program between August 6, 2019 and August 6, 2020 may not exceed $25,000, including a limit of up to $6,250 per quarter.  No duration has been placed on the Company's share repurchase program, and the Company reserves the right to amend, suspend or discontinue it at any time.  The share repurchase program does not commit the Company to repurchase any shares of its common stock.

During the six months ended June 30, 2020, the Company paid $1,782 to repurchase 126,764 shares of Class B Common Stock under the share repurchase program.

The following table illustrates changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2020:

  
Foreign
Currency
    
Unrealized Holding Gains (Losses) on
Available-for-sale Securities
    
Total
  
Beginning balance at December 31, 2019
  
$
(494
)
  
$
9,863
    
$
9,369
  
                         
Other comprehensive income (loss) before reclassifications
    
(466
)
    
(853
)
    
(1,319
)
Amounts reclassified from accumulated other comprehensive income (loss)
    
–
      
(157
)
    
(157
)
                         
Net current-period other comprehensive income (loss)
    
(466
)
    
(1,010
)
    
(1,476
)
                         
Ending balance at June 30, 2020
  
$
(960
)
  
$
8,853
    
$
7,893
  

The following table illustrates changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2019:

  
Foreign
Currency
    
Unrealized Holding Gains (Losses) on
Available-for-sale Securities
    
Total
  
Beginning balance at December 31, 2018
  
$
(1,139
)
  
$
(6,208
)
  
$
(7,347
)
                         
Other comprehensive income (loss) before reclassifications
    
591
      
14,758
      
15,349
  
Amounts reclassified from accumulated other comprehensive income (loss)
    
–
      
215
      
215
  
                         
Net current-period other comprehensive income (loss)
    
591
      
14,973
      
15,564
  
                         
Ending balance at June 30, 2019
  
$
(548
)
  
$
8,765
    
$
8,217