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Preneed Trust Investments Preneed Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	$ 17,076	$ 42,577
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(772)	(6,162)
Fair market value, In Loss Position Greater than12 months	20,934	15,322
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(3,944)	(3,482)
Fair market value, Total	38,010	57,899
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(4,716)	(9,644)
U.S. debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	834	0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(10)	0
Fair market value, In Loss Position Greater than12 months	0	1,504
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	(12)
Fair market value, Total	834	1,504
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(10)	(12)
Municipal bonds
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	244
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(5)
Fair market value, In Loss Position Greater than12 months	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0
Fair market value, Total	244
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(5)
Municipal bonds
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months		413
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses		(66)
Fair market value, In Loss Position Greater than12 months		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses		0
Fair market value, Total		413
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses		(66)
Foreign debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	2,654	3,763
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(186)	(392)
Fair market value, In Loss Position Greater than12 months	2,905	416
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(490)	(319)
Fair market value, Total	5,559	4,179
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(676)	(711)
Corporate debt
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	6,977	15,929
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(215)	(3,294)
Fair market value, In Loss Position Greater than12 months	2,234	3,364
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(919)	(1,417)
Fair market value, Total	9,211	19,293
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(1,134)	(4,711)
Preferred stock
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	3,420	10,623
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(128)	(451)
Fair market value, In Loss Position Greater than12 months	11,750	5,338
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(842)	(463)
Fair market value, Total	15,170	15,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(970)	(914)
Mortgage-backed securities
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	55	0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(5)	0
Fair market value, In Loss Position Greater than12 months	11	272
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(1)	(4)
Fair market value, Total	66	272
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(6)	(4)
Equity
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	2,795	11,848
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(216)	(1,959)
Fair market value, In Loss Position Greater than12 months	3,390	3,510
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(1,634)	(1,154)
Fair market value, Total	6,185	15,358
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(1,850)	(3,113)
Equity and other
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	0
Fair market value, In Loss Position Greater than12 months	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0
Fair market value, Total	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	0
Fixed income
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	97	1
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	(7)	0
Fair market value, In Loss Position Greater than12 months	644	876
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	(58)	(82)
Fair market value, Total	741	877
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	(65)	(82)
Other investments
Gain (Loss) on Investments [Line Items]
Fair market value, In Loss Position Less than12 months	0	0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses	0	0
Fair market value, In Loss Position Greater than12 months	0	42
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	(31)
Fair market value, Total	0	42
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	$ 0	$ (31)

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