Annual report pursuant to section 13 and 15(d)

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Valuation And Qualifying Accounts [Roll Forward]      
Balance at End of Year   $ 2,441  
Allowance for doubtful accounts-continuing operations [Member]
      
Valuation And Qualifying Accounts [Roll Forward]      
Balance at Beginning of Year 2,441 215 226
Additions Charged to Costs, Expenses and Other 160 83 59
Additions Due to Acquisition 0 2,660 0
Deductions 94 [1] 117 [1] 70 [1]
Balance at End of Year 2,507 2,441 215
Allowance for doubtful accounts-discontinued operations [Member]
      
Valuation And Qualifying Accounts [Roll Forward]      
Balance at Beginning of Year 48 97 70
Additions Charged to Costs, Expenses and Other 6 175 75
Additions Due to Acquisition 0 (163) 0
Deductions 9 [1] 61 [1] 48 [1]
Balance at End of Year 45 48 97
Allowance for deferred tax assets [Member]
      
Valuation And Qualifying Accounts [Roll Forward]      
Balance at Beginning of Year 7,360 11,944 10,339
Additions Charged to Costs, Expenses and Other (1,631) [2] 5,087 1,605
Additions Due to Acquisition 0 503 0
Deductions 0 0 0
Balance at End of Year $ 5,729 $ 7,360 $ 11,944
[1] Customer receivables deemed to be uncollectible.
[2] Reversal of allowance on deferred tax asset primarily from valuation provided for state net operating loss ("NOL") related to asset impairment.