Assets and Liabilities Measured at Fair Value (Detail) (Variable Interest Entity, Primary Beneficiary, USD $) | Mar. 31, 2015 | Dec. 31, 2014 |
In Thousands, unless otherwise specified |
Merchandise Trusts | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | $488,007 | $484,820 |
Merchandise Trusts | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 31,591 | 52,521 |
Merchandise Trusts | Short-term investments | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 31,591 | 52,521 |
Merchandise Trusts | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 19,511 | 16,384 |
Merchandise Trusts | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 80 | 269 |
Merchandise Trusts | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 12,257 | 8,976 |
Merchandise Trusts | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,174 | 7,139 |
Merchandise Trusts | Fixed maturities | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 19,511 | 16,384 |
Merchandise Trusts | Fixed maturities | Level 2 | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 80 | 269 |
Merchandise Trusts | Fixed maturities | Level 2 | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 12,257 | 8,976 |
Merchandise Trusts | Fixed maturities | Level 2 | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,174 | 7,139 |
Merchandise Trusts | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 238,699 | 142,680 |
Merchandise Trusts | Mutual funds - debt securities | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 238,699 | 142,680 |
Merchandise Trusts | Mutual funds - equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 130,646 | 179,458 |
Merchandise Trusts | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 19,133 | 58,672 |
Merchandise Trusts | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 12,815 | 7,733 |
Merchandise Trusts | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 21,308 | 22,927 |
Merchandise Trusts | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 77,390 | 90,126 |
Merchandise Trusts | Mutual funds - equity securities | Level 1 | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 19,133 | 58,672 |
Merchandise Trusts | Mutual funds - equity securities | Level 1 | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 12,815 | 7,733 |
Merchandise Trusts | Mutual funds - equity securities | Level 1 | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 21,308 | 22,927 |
Merchandise Trusts | Mutual funds - equity securities | Level 1 | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 77,390 | 90,126 |
Merchandise Trusts | Equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 54,052 | 80,299 |
Merchandise Trusts | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25,224 | 50,091 |
Merchandise Trusts | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 28,828 | 30,208 |
Merchandise Trusts | Equity securities | Level 1 | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25,224 | 50,091 |
Merchandise Trusts | Equity securities | Level 1 | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 28,828 | 30,208 |
Merchandise Trusts | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 5,126 | 5,159 |
Merchandise Trusts | Other invested assets | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 5,126 | 5,159 |
Merchandise Trusts | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 479,625 | 476,501 |
Merchandise Trusts | Total managed investments | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 454,988 | 454,958 |
Merchandise Trusts | Total managed investments | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,637 | 21,543 |
Perpetual care trusts | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 345,183 | 345,105 |
Perpetual care trusts | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 30,012 | 26,644 |
Perpetual care trusts | Short-term investments | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 30,012 | 26,644 |
Perpetual care trusts | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,730 | 24,032 |
Perpetual care trusts | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 28 | 79 |
Perpetual care trusts | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,216 | 23,466 |
Perpetual care trusts | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 371 | 371 |
Perpetual care trusts | Fixed maturities | U.S. Government and federal agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 115 | 116 |
Perpetual care trusts | Fixed maturities | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 115 | 116 |
Perpetual care trusts | Fixed maturities | Level 1 | U.S. Government and federal agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 115 | 116 |
Perpetual care trusts | Fixed maturities | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,615 | 23,916 |
Perpetual care trusts | Fixed maturities | Level 2 | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 28 | 79 |
Perpetual care trusts | Fixed maturities | Level 2 | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,216 | 23,466 |
Perpetual care trusts | Fixed maturities | Level 2 | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 371 | 371 |
Perpetual care trusts | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 198,056 | 123,894 |
Perpetual care trusts | Mutual funds - debt securities | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 198,056 | 123,894 |
Perpetual care trusts | Mutual funds - equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 89,757 | 125,436 |
Perpetual care trusts | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 17,052 | 41,753 |
Perpetual care trusts | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 20,424 | 14,829 |
Perpetual care trusts | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 40,474 | 43,596 |
Perpetual care trusts | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 11,807 | 25,258 |
Perpetual care trusts | Mutual funds - equity securities | Level 1 | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 17,052 | 41,753 |
Perpetual care trusts | Mutual funds - equity securities | Level 1 | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 20,424 | 14,829 |
Perpetual care trusts | Mutual funds - equity securities | Level 1 | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 40,474 | 43,596 |
Perpetual care trusts | Mutual funds - equity securities | Level 1 | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 11,807 | 25,258 |
Perpetual care trusts | Equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 2,621 | 45,074 |
Perpetual care trusts | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 988 | 43,207 |
Perpetual care trusts | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 1,633 | 1,867 |
Perpetual care trusts | Equity securities | Level 1 | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 988 | 43,207 |
Perpetual care trusts | Equity securities | Level 1 | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 1,633 | 1,867 |
Perpetual care trusts | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7 | 25 |
Perpetual care trusts | Other invested assets | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7 | 25 |
Perpetual care trusts | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 345,183 | 345,105 |
Perpetual care trusts | Total managed investments | Level 1 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 320,561 | 321,164 |
Perpetual care trusts | Total managed investments | Level 2 | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | $24,622 | $23,941 |