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	Dec. 31, 2015	Dec. 31, 2014
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	$ 27,763	$ 27,093
Unrealized Losses, In Loss Position Less than12 months	(3,995)	(1,476)
Fair market value, In Loss Position Greater than12 months	8,245	3,505
Unrealized Losses, In Loss Position Greater than12 months	(2,174)	(975)
Fair market value, Total	36,008	30,598
Unrealized Losses, Total	(6,169)	(2,451)
Municipal bonds
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	280
Unrealized Losses, In Loss Position Less than12 months	(45)
Fair market value, In Loss Position Greater than12 months	0
Unrealized Losses, In Loss Position Greater than12 months	0
Fair market value, Total	280
Unrealized Losses, Total	(45)
Foreign debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	2,541	3,716
Unrealized Losses, In Loss Position Less than12 months	(265)	(156)
Fair market value, In Loss Position Greater than12 months	281	0
Unrealized Losses, In Loss Position Greater than12 months	(215)	0
Fair market value, Total	2,822	3,716
Unrealized Losses, Total	(480)	(156)
Corporate debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	10,463	11,893
Unrealized Losses, In Loss Position Less than12 months	(2,164)	(513)
Fair market value, In Loss Position Greater than12 months	2,210	1,328
Unrealized Losses, In Loss Position Greater than12 months	(931)	(915)
Fair market value, Total	12,673	13,221
Unrealized Losses, Total	(3,095)	(1,428)
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)
Preferred stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	7,100
Unrealized Losses, In Loss Position Less than12 months	(301)
Fair market value, In Loss Position Greater than12 months	3,568
Unrealized Losses, In Loss Position Greater than12 months	(309)
Fair market value, Total	10,668
Unrealized Losses, Total	(610)
Common stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	7,379	4,663
Unrealized Losses, In Loss Position Less than12 months	(1,220)	(616)
Fair market value, In Loss Position Greater than12 months	2,186	44
Unrealized Losses, In Loss Position Greater than12 months	(719)	(37)
Fair market value, Total	9,565	4,707
Unrealized Losses, Total	$ (1,939)	$ (653)

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

Dec. 31, 2015

Dec. 31, 2014

Gain (Loss) on Investments [Line Items]

Fair market value, In Loss Position Less than12 months

$ 27,763

$ 27,093

Unrealized Losses, In Loss Position Less than12 months

(3,995)

(1,476)

Fair market value, In Loss Position Greater than12 months

8,245

3,505