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Preneed Trust Investments Preneed Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) (Preneed Cemetery Trust Investments [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value $ 9,662 $ 17,491
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (978) (1,313)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 1,448 3,863
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (480) (1,014)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 11,110 21,354
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (1,458) (2,327)
Corporate Debt [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 6,975 11,363
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (240) (325)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 528 622
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (311) (182)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 7,503 11,985
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (551) (507)
Preferred Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value   1,040
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses   (54)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value   2,284
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses   (240)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value   3,324
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses   (294)
Common Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 2,687 5,088
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (738) (934)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 920 957
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (169) (592)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 3,607 6,045
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses $ (907) $ (1,526)