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Fair Values of Assets and Liabilities (Tables)
 12 Months Ended
Dec. 31, 2013
Fair Values of Assets and Liabilities  
Schedule of assets and liabilities measured at fair value on a recurring and non recurring basis, categorized by the level of inputs used in the valuation of each asset

 

 

 
   As of December 31, 2013   As of December 31, 2012  
Description
  Total   Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)		   Significant Other
Observable
Inputs
(Level 2)		   Significant
Unobservable
Inputs
(Level 3)		   Total   Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)		   Significant Other
Observable
Inputs
(Level 2)		   Significant
Unobservable
Inputs
(Level 3)		  

Cash equivalents(1)

   $ 14,866   $ 14,866   $ —   $ —   $ 22,149   $ 22,149   $ —   $ —  

Available for sale securities:(2)

                                                  

Equity securities

                                                  

Financial services industry

     3,668     3,668     —     —     6,025     6,025     —     —  

REIT industry

     704     704     —     —     484     484     —     —  

Other

     3,875     3,875     —     —     775     775     —     —  
                                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total equity securities

     8,247     8,247     —     —     7,284     7,284     —     —  

Debt securities

                                                  

International bond fund(3)

     2,329     —     2,329     —     2,345     —     2,345     —  

High yield fund(4)

     2,309     —     2,309     —     2,168     —     2,168     —  

Industrial bonds

     5,234     —     5,234     —     5,186     —     5,186     —  

Government bonds

     7,075     4,558     2,517     —     4,666     4,666     —     —  

Financial bonds

     1,154     —     1,154     —     982     —     982     —  

Other

     4,706     —     4,706     —     869     —     869     —  
                                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total debt securities

     22,807     4,558     18,249     —     16,216     4,666     11,550     —  
                                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total available for sale securities

     31,054     12,805     18,249     —     23,500     11,950     11,550     —  
                                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total

   $ 45,920   $ 27,671   $ 18,249   $ —   $ 45,649   $ 34,099   $ 11,550   $ —  
                                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                                   
(1)
Cash equivalents, consisting of money market funds held principally for obligations arising from our self-insurance programs.

(2)
Investments in available for sale securities are reported on our balance sheet as current and long term investments in available for sale securities and are reported at fair value of $19,150 and $11,905, respectively, at December 31, 2013 and $12,920 and $10,580, respectively, at December 31, 2012. Our investments in available for sale securities had amortized costs of $29,127 and $21,720 as of December 31, 2013 and 2012, respectively, had unrealized gains of $2,185 and $2,050 as of December 31, 2013 and 2012, respectively, and had unrealized losses of $257 and $270 as of December 31, 2013 and 2012, respectively. At December 31, 2013, 36 of the securities we hold, with a fair value of $7,392, have been in a loss position for less than 12 months and none of the securities we hold have been in a loss position for greater than 12 months. We do not believe these securities are impaired primarily because they have not been in a loss position for an extended period of time, the financial conditions of the issuers of these securities remain strong with solid fundamentals, we intend to hold these securities until recovery and other factors that support our conclusion that the loss is temporary. During the years ended December 31, 2013 and 2012, we received gross proceeds of $6,285 and $4,163, respectively, in connection with the sales of available for sale securities and recorded gross realized gains totaling $329 and $63, respectively, and gross realized losses totaling $334 and $82, respectively.

(3)
The investment strategy of this fund is to invest principally in fixed income securities. The fund invests in such securities or investment vehicles as it considers appropriate to achieve the fund's investment objective, which is to provide an above average rate of total return while attempting to limit investment risk by investing in a diversified portfolio of U.S. dollar investment grade fixed income securities. There are no unfunded commitments and the investment can be redeemed weekly.

(4)
The investment strategy of this fund is to invest principally in fixed income securities. The fund invests in such securities or investment vehicles as it considers appropriate to achieve the fund's investment objective, which is to provide an above average rate of total return while attempting to limit investment risk by investing in a diversified portfolio of primarily fixed income securities issued by companies with below investment grade ratings. There are no unfunded commitments and the investment can be redeemed weekly.