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Cemetery Perpetual Care Trust Investments (Cost and fair market values associated with the trust investments held in perpetual care trust funds) (Details) (Perpetual Care Trust Invesments [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost $ 44,831  
Unrealized Gains 2,394  
Unrealized Losses (915)  
Fair Market Value 46,310  
Cemetary perpetual care trust investments 47,165 46,542
Fair market value as a percentage of cost 103.30% 99.80%
Cash and Money Market Accounts [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 683 545
Unrealized Gains 0 0
Unrealized Losses 0 0
Cash and Money Market Accounts [Member] | Fair Value, Inputs, Level 1 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 683 545
Foreign Government Debt Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 1,527 1,267
Unrealized Gains 286 284
Unrealized Losses 0 0
Foreign Government Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 1,813 1,551
Corporate Debt [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 24,493 24,324
Unrealized Gains 917 556
Unrealized Losses (346) (323)
Corporate Debt [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 25,064 24,557
Preferred Stock [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 11,984 14,225
Unrealized Gains 874 525
Unrealized Losses 0 (187)
Preferred Stock [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 12,858 14,563
Mortgage Backed Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 1 1
Unrealized Gains 0 0
Unrealized Losses 0 0
Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 1 1
Common Stock [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 6,143 5,563
Unrealized Gains 317 22
Unrealized Losses (569) (969)
Common Stock [Member] | Fair Value, Inputs, Level 1 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 5,891 4,616
Trust Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost   45,925
Unrealized Gains   1,387
Unrealized Losses   (1,479)
Fair Market Value   45,833
Accrued Investment Income [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 855 709
Fair Market Value $ 855 $ 709