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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
Jun. 30, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost $ 38,927  
Unrealized Gains 1,039  
Unrealized Losses (988)  
Fair Market Value 38,978  
Cemetary perpetual care trust investments 39,485 46,542
Fair market value as a percentage of cost 100.10% 99.80%
Cash and Money Market Accounts [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 4,025 545
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 4,025 545
Foreign Government Debt Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 1,451 1,267
Unrealized Gains 40 284
Unrealized Losses (41) 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 1,450 1,551
Corporate Debt [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 18,961 24,324
Unrealized Gains 391 556
Unrealized Losses (549) (323)
Corporate Debt [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 18,803 24,557
Preferred Stock [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 9,818 14,225
Unrealized Gains 169 525
Unrealized Losses (22) (187)
Preferred Stock [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 9,965 14,563
Mortgage Backed Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 0 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 0 1
Common Stock [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Cost 4,672 5,563
Unrealized Gains 439 22
Unrealized Losses (376) (969)
Common Stock [Member] | Fair Value, Inputs, Level 1 [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair Market Value 4,735 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 507 709
Fair Market Value $ 507 $ 709