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Preneed Funeral Activities Investment Related Activities (Details) - Funeral [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Investment related activities [Line Items] |  |  |  |
Deposits to trust | $ 121,109 | $ 102,553 |  | $ 82,168
Withdrawals | 160,135 | 131,352 |  | 125,914
Purchases of available-for-sale securities | 453,092 | 1,238,257 | [1] | 393,169
Sales of available-for-sale securities | 458,236 | 1,318,512 | [1] | 435,267
Realized gains from sales of available-for-sale securities | 42,034 | 168,567 | [1] | 65,011
Realized losses from sales of available-for-sale securities | $ (31,403) | $ (113,748) | [1] | $ (9,732)
[1] | (1)The increase in activity in 2014 is the result of changing the legal structure of the trust investments.

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