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Cemetery Perpetual Care Trust Investments (Unrealized losses on perpetual care trust investments) (Details) (Perpetual Care Trust Invesments [Member], USD $)
In Thousands, unless otherwise specified
 9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value $ 26,548 $ 13,953
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (1,387) (613)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 3,736 932
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (801) (423)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 30,284 14,885
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (2,188) (1,036)
Foreign Debt [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 2,714 478
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (69) (2)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 0 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses 0 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 2,714 478
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (69) (2)
Corporate Debt [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 13,025 6,948
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (571) (332)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 1,500 462
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (767) (359)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 14,525 7,410
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (1,338) (691)
Common Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 6,460 716
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (618) (114)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 55 470
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (26) (64)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 6,515 1,186
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (644) (178)
Preferred Stock [Member]
    
Gain (Loss) on Investments [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 4,349 5,811
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (129) (165)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 2,181 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (8) 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 6,530 5,811
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses $ (137) $ (165)