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Shareholders' Equity
 12 Months Ended
Dec. 31, 2018
Shareholders' Equity [Abstract]  
Shareholders' Equity
Note F - Shareholders' Equity

The Company's Class A and Class B Common Stock has a stated value of approximately $.04 per share.  The Company paid a total of $16,835, or $1.12 per share, in dividends during 2018, $16,302, or $1.08 per share, during 2017 and $15,803, or $1.04 per share, during 2016.

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 7, 2018, 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 through August 8, 2019 may not exceed $25,000.  Pursuant to this share repurchase program, the Company entered into a Rule 10b5-1 plan on September 24, 2018, which authorized the repurchase of up to $12,000 of the Company's outstanding common shares at various pricing thresholds, in accordance with guidelines specified under Rule 10b5-1 of the Securities Exchange Act of 1934.  The Rule 10b5-1 plan expired on November 8, 2018. 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 year ended December 31, 2018, the Company paid $4,596 to repurchase 7,770 shares of Class A Common Stock at an average share price of $21.58 and 191,898 shares of Class B Common Stock at an average share price of $23.07 under the share repurchase program.

Accumulated Other Comprehensive Income (Loss)

A reconciliation of the components of accumulated other comprehensive income (loss) at December 31 is as follows:

  
2018
  
2017
 
Investments:
      
Total unrealized gain (loss) before federal income tax expense (benefit)
 
$
(7,859
)
 
$
71,848
 
Deferred tax benefit (liability)
  
1,651
   
(25,148
)
Net unrealized gains (losses) on investments
  
(6,208
)
  
46,700
 
         
Foreign exchange adjustment:
        
Total unrealized losses
  
(1,442
)
  
(475
)
Deferred tax benefit
  
303
   
166
 
Net unrealized losses on foreign exchange adjustment
  
(1,139
)
  
(309
)
         
Accumulated other comprehensive income (loss)
 
$
(7,347
)
 
$
46,391
 

Details of changes in net unrealized gains (losses) on investments for the years ended December 31 are as follows:

  
2018
  
2017
  
2016
 
Investments:
         
Pre-tax holding gains (losses) on debt and equity securities arising during period (1)
 
$
(12,253
)
 
$
26,677
  
$
13,259
 
Less: applicable federal income tax expense (benefit)
  
(2,573
)
  
9,337
   
4,641
 
   
(9,680
)
  
17,340
   
8,618
 
             
Pre-tax gains (losses) on debt and equity securities included in net income (loss) during period (1)
  
(3,560
)
  
7,217
   
20,755
 
Less: applicable federal income tax expense (benefit)
  
(748
)
  
2,526
   
7,264
 
   
(2,812
)
  
4,691
   
13,491
 
             
Change in unrealized gains (losses) on investments
 
$
(6,868
)
 
$
12,649
  
$
(4,873
)

(1) Effective January 1, 2018, the Company adopted ASU 2016-01 and unrealized gains (losses) related to equity securities are no longer reflected in accumulated other comprehensive income (loss).  Prior periods have not been restated to conform to the current presentation.