Represents the notice period required for termination of contract.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Represents the term of the contract entered with the customer.

+ References

No definition available.

+ Details

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- Definition

Represents the term of the renewed contract with the customer.

+ References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Balance Type:	debit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

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General - Concentration of Business (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Significant customers
Net revenue	$ 1,161,649	$ 1,122,379
Accounts receivable, net	$ 793,504		$ 743,502
Minimum
Significant customers
Term of contracts with customers	1 year
Term of contract extensions or renewals	1 year
Notice period for termination of contract	30 days
Maximum
Significant customers
Term of contracts with customers	3 years
Term of contract extensions or renewals	2 years
Notice period for termination of contract	180 days
Pennsylvania Counties
Significant customers
Net revenue	$ 152,700	137,000
CMS
Significant customers
Net revenue	200	55,700
Accounts receivable, net	55,200		$ 69,600
United States federal government
Significant customers
Net revenue	$ 77,700	$ 69,900