Other Investments and Assets - Summary of Other Investments and Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments All Other Investments [Abstract]
Self-insured liability receivable	$ 6,358	$ 9,982
Other mutual funds	3,457	3,107
Contract costs	2,912	3,961
Cash surrender value of life insurance		24,873
Other	2,765	3,196
Other investments and assets	$ 15,492	$ 45,119

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent.

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Amount of investments, and noncurrent assets classified as other.

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Amount of assets classified as other.

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Other mutual funds.

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Self insurance reserve liability in excess of self insurance levels for which company is primary obligor receivable.

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