Preneed Activities Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		$ 21,083
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(445)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value		51,356
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(2,377)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		72,439
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(2,822)
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	$ 3,023	6,899
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(36)	(226)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	1,947	16,374
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(94)	(222)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,970	23,273
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(130)	(448)
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	2,254
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	(9)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	13,804	25,330
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(850)	(1,788)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	13,804	27,584
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(850)	(1,797)
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	30	11,579
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	(206)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	4,826	6,563
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(172)	(310)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,856	18,142
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(172)	(516)
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	351
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	(4)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	51	3,010
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1)	(46)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	51	3,361
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(1)	(50)
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	28	79
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(4)	(11)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	28	79
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(4)	$ (11)
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	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)