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Client Funds	12 Months Ended
	Dec. 31, 2020
Client Funds [Abstract]
Client Funds	14. Client Funds The Company maintains funds in custodial accounts at financial institutions to administer claims for certain clients. These funds are not available for the Company's general operating activities and, as such, have not been recorded in the accompanying Consolidated Balance Sheets. The amount of these funds totaled $537,531,000 and $410,673,000 at December 31, 2020 and 2019, respectively.

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Client Funds [Abstract]

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Client Funds [Text Block]

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