Overview and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported in the Condensed Consolidated Balance Sheets that sum to the amounts reported in the Condensed Consolidated Statements of Cash Flows (in thousands):

	March 31, 2020		December 31, 2019		March 31, 2019		December 31, 2018
Cash and cash equivalents	$	118,422	$	127,246	$	148,242	$	128,697
Restricted cash included in "Other current assets"		438		568		1,960		149
Restricted cash included in "Deferred charges and    other assets"		1,223		1,371		1,373		1,385
	$	120,083	$	129,185	$	151,575	$	130,231

Schedule of Customer-Acquisition Advertising Costs

Customer-Acquisition Advertising Costs — The Company’s advertising costs are expensed as incurred. Total advertising costs included in “Direct salaries and related costs” in the accompanying Condensed Consolidated Statements of Operations were as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Customer-acquisition advertising costs	$	10,182	$	12,104