Cemetery Perpetual Care Trust Investments Cemetery Perpetual Care Trust Investments (Unrealized losses on perpetual care trust investments) (Details) (Perpetual Care Trust Invesments, USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	$ 27,093	$ 13,953
Unrealized Losses, In Loss Position Less than12 months	(1,476)	(613)
Fair market value, In Loss Position Greater than12 months	3,505	932
Unrealized Losses, In Loss Position Greater than12 months	(975)	(423)
Fair market value, Total	30,598	14,885
Unrealized Losses, Total	2,451	1,036
Foreign debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	3,716	478
Unrealized Losses, In Loss Position Less than12 months	(156)	(2)
Fair market value, In Loss Position Greater than12 months	0	0
Unrealized Losses, In Loss Position Greater than12 months	0	0
Fair market value, Total	3,716	478
Unrealized Losses, Total	156	2
Corporate debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	11,893	6,948
Unrealized Losses, In Loss Position Less than12 months	(513)	(332)
Fair market value, In Loss Position Greater than12 months	1,328	462
Unrealized Losses, In Loss Position Greater than12 months	(915)	(359)
Fair market value, Total	13,221	7,410
Unrealized Losses, Total	1,428	691
Preferred stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months		5,811
Unrealized Losses, In Loss Position Less than12 months		(165)
Fair market value, In Loss Position Greater than12 months		0
Unrealized Losses, In Loss Position Greater than12 months		0
Fair market value, Total		5,811
Unrealized Losses, Total		165
Preferred stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	6,821
Unrealized Losses, In Loss Position Less than12 months	(191)
Fair market value, In Loss Position Greater than12 months	2,133
Unrealized Losses, In Loss Position Greater than12 months	(23)
Fair market value, Total	8,954
Unrealized Losses, Total	214
Common stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	4,663	716
Unrealized Losses, In Loss Position Less than12 months	(616)	(114)
Fair market value, In Loss Position Greater than12 months	44	470
Unrealized Losses, In Loss Position Greater than12 months	(37)	(64)
Fair market value, Total	4,707	1,186
Unrealized Losses, Total	$ 653	$ 178

Cemetery Perpetual Care Trust Investments Cemetery Perpetual Care Trust Investments (Unrealized losses on perpetual care trust investments) (Details) (Perpetual Care Trust Invesments, USD $)
In Thousands, unless otherwise specified