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 $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cemetary perpetual care trust investments	$ 49,249,000	$ 48,670,000
Fair market value as a percentage of cost	100.20%csv_FairMarketValuePercent	99.00%csv_FairMarketValuePercent
Impairment charge, other than temporary decline in fair value of investments	500,000us-gaap_ImpairmentOfInvestments
Cash and Money Market Accounts [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	197,000	3,206,000
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	197,000	3,206,000
Municipal Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	230,000	229,000
Unrealized Gains	0	5,000
Unrealized Losses	(8,000)	0
Fair Market Value	222,000	234,000
Foreign Government Debt Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	4,012,000	3,871,000
Unrealized Gains	48,000	0
Unrealized Losses	(174,000)	(156,000)
Fair Market Value	3,886,000	3,715,000
Corporate Debt [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	19,530,000	19,911,000
Unrealized Gains	337,000	248,000
Unrealized Losses	(654,000)	(1,428,000)
Fair Market Value	19,213,000	18,731,000
Preferred Stock [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	12,539,000	12,694,000
Unrealized Gains	234,000	137,000
Unrealized Losses	(198,000)	(214,000)
Fair Market Value	12,575,000	12,617,000
Common Stock
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	11,978,000	8,747,000
Unrealized Gains	1,492,000	1,568,000
Unrealized Losses	(1,001,000)	(653,000)
Fair Market Value	12,469,000	9,662,000
Trust Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	48,486,000	48,658,000
Unrealized Gains	2,111,000	1,958,000
Unrealized Losses	(2,035,000)	(2,451,000)
Fair Market Value	48,562,000	48,165,000
Accrued Investment Income [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Cost	687,000	505,000
Fair Market Value	$ 687,000	$ 505,000

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 $)