Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the accompanying condensed consolidated balance sheets and related notes to the amounts presented in the accompanying condensed consolidated statements of cash flows.

	March 31, 2020			December 31, 2019
Cash and cash equivalents	$	97,509		$	82,985
Restricted cash and cash equivalents (included in other current assets)	15,380			18,393
Restricted cash, cash equivalents and investments	60,873			62,170
Total cash, cash equivalents and restricted cash and investments	173,762			163,548
Less restricted investments	(4,493		)	(9,586		)
Total cash, cash equivalents and restricted cash	$	169,269		$	153,962

Accounts Receivable, Allowance for Credit Loss Roll-Forward

The following table provides a reconciliation of activity in the allowance for credit losses for accounts receivable:

	2020
Balance as of January 1,	$	3,332
Adoption of the credit loss standard, cumulative-effect adjustment to retained earnings	1,334
Provision for expected credit losses	3,839
Amounts written off charged against the allowance	(481		)
Balance as of March 31,	$	8,024