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Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2014
Fair Value Measurements  
Summary of fair values and levels within the fair value hierarchy in which the fair value measurements fall for assets and liabilities measured on a recurring basis

The following table summarizes the fair values and levels within the fair value hierarchy in which the fair value measurements fall for assets and liabilities measured on a recurring basis as of June 30, 2014 (in thousands):

 
    
   Fair Value Measurements at
Reporting Date Using		  
 
   Total   Quoted Prices In
Active Markets
for Identical
Assets
(Level 1)		   Significant
Other
Observable
Inputs
(Level 2)		   Significant
Unobservable
Inputs
(Level 3)		  

Cash and cash equivalents

   $ 49,759   $ 49,759   $ —   $ —  

Life insurance—cash surrender value

   $ 2,972   $ —   $ 2,972   $ —  

Contingent earn-out obligations

   $ 520   $ —   $ —   $ 520  
Schedule of reconciliation of the fair value of contingent earn-out obligations that use significant unobservable inputs (Level 3)

The table below presents a reconciliation of the fair value of our contingent earn-out obligations that use significant unobservable inputs (Level 3) (in thousands).

Balance at beginning of year

   $ 320  

Issuances

     200  

Settlements

     —  

Adjustments to fair value

     —  
       
​ ​ ​ ​ ​

Balance at end of period

   $ 520  
       
​ ​ ​ ​ ​
​ ​ ​ ​ ​