Cemetery Perpetual Care Trust Investments (Unrealized losses on perpetual care trust investments) (Details) - Perpetual Care Trust Invesments [Member] - USD ($)
$ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
$ 20,267
|
$ 8,370
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
(1,372)
|
(1,073)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
5,885
|
8,299
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(1,727)
|
(1,279)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
26,152
|
16,669
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
(3,099)
|
(2,352)
|
| Foreign Debt [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
1,262
|
92
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
(24)
|
(3)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
769
|
1,128
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(77)
|
(131)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
2,031
|
1,220
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
(101)
|
(134)
|
| Corporate Debt Securities [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
5,878
|
2,621
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
(211)
|
(59)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
314
|
555
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(137)
|
(128)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
6,192
|
3,176
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
(348)
|
(187)
|
| Common Stock [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
9,266
|
5,119
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
(1,045)
|
(991)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
1,647
|
1,108
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(1,239)
|
(604)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
10,913
|
6,227
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
(2,284)
|
(1,595)
|
| Preferred Stock [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
3,861
|
29
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
(92)
|
0
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
3,114
|
5,492
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(267)
|
(411)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
6,975
|
5,521
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
(359)
|
(411)
|
| Mortgage Backed Securities [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
0
|
76
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
0
|
(10)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
41
|
16
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
(7)
|
(5)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
41
|
92
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
$ (7)
|
(15)
|
| Mutual Fund [Member] |
|
|
| Gain (Loss) on Investments [Line Items] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
433
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
(10)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
0
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
0
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
|
433
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
$ (10)
|