text: The collectibility of unpaid markers is affected by a number of factors, including 
  changes in currency exchange rates and economic conditions in the customers’ home 
  countries. Because individual customer account balances can be significant, the 
  allowance and the provision can change significantly between periods, as information 
  about a certain customer becomes known or as changes in a region’s economy occur. 
  
  The following table shows key statistics related to our casino receivables: 