Preneed Activities Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		$ 3,053
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(36)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		20,656
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(1,121)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		23,709
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(1,157)
US Treasury Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 491	3,023
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(1)	(36)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	1,447	1,947
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(100)	(94)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,938	4,970
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(101)	(130)
Debt Security, Government, Non-US [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	11,466	13,804
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(802)	(850)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	11,466	13,804
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(802)	(850)
Corporate Debt Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	0	30
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	2,750	4,826
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(104)	(172)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,750	4,856
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(104)	(172)
Residential Mortgage Backed Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		51
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		51
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(1)
Asset-backed Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	14	28
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(2)	(4)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	14	28
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(2)	$ (4)
Estimate of Fair Value Measurement [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	491
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	15,677
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1,008)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	16,168
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ (1,009)