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Preneed Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) (Preneed Cemetery Trust Investments [Member], USD $)
In Thousands, unless otherwise specified
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value $ 34,260 $ 17,491
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (1,386) (1,313)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 1,166 3,863
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (674) (1,014)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 35,426 21,354
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (2,060) (2,327)
Foreign Debt [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 2,438  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (41)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 0  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses 0  
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 2,438  
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (41)  
Corporate Debt [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 17,860 11,363
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (616) (325)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 836 622
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (540) (182)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 18,696 11,985
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (1,156) (507)
Preferred Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 9,877 1,040
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (435) (54)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 0 2,284
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses 0 (240)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 9,877 3,324
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (435) (294)
Common Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 4,085 5,088
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (294) (934)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 330 957
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (134) (592)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 4,415 6,045
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses $ (428) $ (1,526)