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SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (REPOs)
12 Months Ended
Dec. 31, 2011
SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (REPOs) [Abstract]  
SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (REPOs)
11.   SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE ("REPOs")
 
Presented below is information concerning REPOs:
 
   
At or for the Year Ended December 31,
 
   
2011
  
2010
  
2009
 
Balance outstanding at end of period
 $195,000  $195,000  $230,000 
Average interest cost at end of period
  4.33%  4.33%  4.32%
Average balance outstanding during the period
 $195,000  $203,055  $230,000 
Average interest cost during the period
  4.33%  4.33%  4.32%
Estimated fair value of underlying collateral
 $214,446  $214,539  $248,694 
Maximum balance outstanding at month end during the year
 $195,000  $230,000  $230,000 
 
The following table presents a summary of future maturities of REPOs outstanding at December 31, 2011:
 
 
 
Year Ending December 31,
 
Maturing
Balance
  
Weighted Average Interest Rate
 
2015
 $55,000   3.20%
2016
  120,000   4.90 
2017 and beyond
  20,000   3.98 
TOTAL
 $195,000   4.33%