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Schedule V. Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
SCHEDULE V. VALUATION AND QUALIFYING ACCOUNTS

 
Uncollectible Premium Liability
 
Balance at Beginning of Period
 
Charged to Costs and Expenses
 
Deductions
 
Balance at End of Period
Years Ended December 31,
 
 
 
 
 
 
 
2011
$
61

 
16

 
$
—

 
$
77

2010
370

 
42

 
(351
)
 
61

2009
305

 
83

 
(18
)
 
370