Cemetery Perpetual Care Trust Investments (Tables)
 12 Months Ended
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]  
Components of Care Trusts' Corpus
The components of Care trusts’ corpus as of December 31, 2016 and 2017 were as follows (in thousands): 
 
December 31, 2016

 
December 31, 2017

Trust assets, at market value
$
46,889

 
$
50,229

Obligations due from trust
(599
)
 
(373
)
Care trusts’ corpus
$
46,290

 
$
49,856
Cost and fair market values associated with the trust investments held in perpetual care trust funds
The following table reflects the cost and fair market values associated with the trust investments held in perpetual care trust funds at December 31, 2017 (in thousands):
 
Fair Value Hierarchy Level
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Market Value
Cash and money market accounts
1
 
$
1,906

 
$
—

 
$
—

 
$
1,906

Fixed income securities:
 
 
 
 
 
 
 
 
 
Foreign debt
2
 
3,580

 
227

 
(134
)
 
3,673

Corporate debt
2
 
12,557

 
805

 
(187
)
 
13,175

Preferred stock
2
 
11,545

 
364

 
(411
)
 
11,498

Mortgage-backed securities
2
 
621

 
152

 
(15
)
 
758

Common stock
1
 
16,326

 
3,116

 
(1,595
)
 
17,847

Mutual funds:
 
 
 
 
 
 
 
 
 
Fixed income
2
 
913

 
42

 
(10
)
 
945

Trust securities
 
 
$
47,448

 
$
4,706

 
$
(2,352
)
 
$
49,802

Accrued investment income
 
 
$
427

 
 
 
 
 
$
427

Cemetery perpetual care investments
 
 
 
 
 
 
 
 
$
50,229

Market value as a percentage of cost
 
 
 
 
 
 
 
 
105.0
%
The following table reflects the cost and market values associated with the trust investments held in perpetual care trust funds at December 31, 2016 (in thousands): 
 
Fair Value Hierarchy Level
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Market Value
Cash and money market accounts
1
 
$
6,522

 
$
—

 
$
—

 
$
6,522

Fixed income securities:
 
 
 
 
 
 
 
 
 
Municipal bonds
2
 
365

 
13

 
(3
)
 
375

Foreign debt
2
 
5,100

 
99

 
(435
)
 
4,764

Corporate debt
2
 
13,715

 
966

 
(821
)
 
13,860

Preferred stock
2
 
11,323

 
5

 
(664
)
 
10,664

Mortgage-backed securities
2
 
569

 
223

 
(3
)
 
789

Common stock
1
 
8,259

 
1,382

 
(1,146
)
 
8,495

Mutual funds:
 
 
 
 
 
 
 
 
 
Fixed income
2
 
855

 
76

 
—

 
931

Trust securities
 
 
$
46,708

 
$
2,764

 
$
(3,072
)
 
$
46,400

Accrued investment income
 
 
$
489

 
 
 
 
 
$
489

Cemetery perpetual care investments
 
 
 
 
 
 
 
 
$
46,889

Market value as a percentage of cost
 
 
 
 
 
 
 
 
99.3
%
Estimated maturities of fixed perpetual care trust income securities
The estimated maturities of the fixed income securities included above are as follows (in thousands):
Due in one year or less
$
184

Due in one to five years
1,441

Due in five to ten years
3,788

Thereafter
23,691

Total fixed income securities
$
29,104
Perpetual care trust investment security transactions recorded in interest income and other, net
Perpetual care trust investment security transactions recorded in Other, net on our Consolidated Statements of Operations for the years ended December 31, 2015, 2016 and 2017 were as follows (in thousands):
 
Year ended December 31,
 
2015
 
2016
 
2017
Realized gains
$
1,773

 
$
872

 
$
926

Realized losses
(2,431
)
 
(3,069
)
 
(1,195
)
Decrease in Care trusts’ corpus
658

 
2,197

 
269

Total
$
—

 
$
—

 
$
—
Perpetual care trust investment security transactions recorded in cemetery revenue
Perpetual care trust investment security transactions recorded in Revenues: Cemetery for the years ended December 31, 2015, 2016 and 2017 were as follows (in thousands):
 
Year ended December 31,
 
2015
 
2016
 
2017
Investment income
$
5,315

 
$
6,451

 
$
5,949

Realized gains (losses), net
436

 
(434
)
 
(838
)
Total
$
5,751

 
$
6,017

 
$
5,111
Purchases and sales of investments in perpetual care trusts
Purchases and sales of investments in the perpetual care trusts for the years ended December 31, 2015, 2016 and 2017 were as follows (in thousands):
 
Year ended December 31,
 
2015
 
2016
 
2017
Purchases
$
(16,694
)
 
$
(16,546
)
 
$
(13,923
)
Sales
14,710

 
16,534

 
8,899
Perpetual Care Trust Invesments  
Schedule of Available-for-sale Securities [Line Items]  
Schedule of unrealized loss position, fair value
Our perpetual care trust investment unrealized losses, their associated fair market values, and the duration of unrealized losses for the year ended December 31, 2017 are shown in the following tables (in thousands):
 
December 31, 2017
 
In Loss Position Less than 12 months
 
In Loss Position Greater than 12 months
 
Total
 
Fair market value
 
Unrealized Losses
 
Fair market value
 
Unrealized Losses
 
Fair market value
 
Unrealized Losses
Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
Foreign debt
$
92

 
$
(3
)
 
$
1,128

 
$
(131
)
 
$
1,220

 
$
(134
)
Corporate debt
2,621

 
(59
)
 
555

 
(128
)
 
3,176

 
(187
)
Preferred stock
29

 
—

 
5,492

 
(411
)
 
5,521

 
(411
)
Mortgage-backed securities
76

 
(10
)
 
16

 
(5
)
 
92

 
(15
)
Common stock
5,119

 
(991
)
 
1,108

 
(604
)
 
6,227

 
(1,595
)
Mutual funds:
 
 
 
 
 
 
 
 
 
 
 
Fixed income
433

 
(10
)
 
—

 
—

 
433

 
(10
)
Total temporary impaired securities
$
8,370

 
$
(1,073
)
 
$
8,299

 
$
(1,279
)
 
$
16,669

 
$
(2,352
)
Our perpetual care trust investment unrealized losses, their associated fair market values, and the duration of unrealized losses for the year ended December 31, 2016 are shown in the following tables (in thousands):
 
December 31, 2016
 
In Loss Position Less than 12 months
 
In Loss Position Greater than 12 months
 
Total
 
Fair market value
 
Unrealized Losses
 
Fair market value
 
Unrealized Losses
 
Fair market value
 
Unrealized Losses
Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
Municipal bonds
$
137

 
$
(3
)
 
$
—

 
$
—

 
$
137

 
$
(3
)
Foreign debt
1,619

 
(120
)
 
1,961

 
(315
)
 
3,580

 
(435
)
Corporate debt
4,679

 
(152
)
 
1,439

 
(669
)
 
6,118

 
(821
)
Preferred stock
2,038

 
(77
)
 
8,329

 
(587
)
 
10,367

 
(664
)
Mortgage-backed securities
31

 
(3
)
 
—

 
—

 
31

 
(3
)
Common stock
1,563

 
(121
)
 
2,004

 
(1,025
)
 
3,567

 
(1,146
)
Total temporary impaired securities
$
10,067

 
$
(476
)
 
$
13,733

 
$
(2,596
)
 
$
23,800

 
$
(3,072
)