The amount of premiums paid related to life insurance agreements with related parties.

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Represents the paid to related party for services provided.

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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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 of cash outflow for payment of premium on corporate-owned life insurance policy, classified as operating activities. Includes, but is not limited to, bank-owned life insurance policy.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related-Party Transactions (Details) - USD ($)	12 Months Ended
Related-Party Transactions (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Transactions
Premiums paid related to agreements	$ 0
Revenue from related party	672,900,000	$ 723,800,000	$ 65,700,000
Expenses from business transactions with unconsolidated affiliates		200,000	100,000	$ 100,000
Accounts receivable from affiliated entities	80,600,000	122,900,000
James R Crane [Member] \| Crane Capital Group Inc [Member]
Related Party Transactions
Accounts payable to affiliated entities	2,400,000	800,000
Amount paid to related party for services provided	18,900,000	19,900,000	$ 14,600,000
Management [Member]
Related Party Transactions
Premium payments to date related to life insurance policies	6,600,000
Cash surrender value included in other long-term assets	$ 5,500,000	$ 5,500,000