Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents, and Restricted Cash

The following table illustrates the reconciliation of cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows as of December 31, 2020 and 2021 (in thousands):

	As of December 31,
	2020		2021
Cash and cash equivalents	$	187,509	$	268,918
Restricted cash included in other current assets	14,011		9,794
Restricted cash included in other assets	500		500
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	202,020	$	279,212

Schedule of Tuition Receivable and Allowance for Credit Losses

The Company’s tuition receivable and allowance for credit losses were as follows as of December 31, 2020 and 2021 (in thousands):

	December 31, 2020		December 31, 2021
Tuition receivable	$	99,942	$	100,060
Allowance for credit losses	(49,773)		(48,783)
Tuition receivable, net	$	50,169	$	51,277

Schedule of Allowance for Credit Losses

The following table illustrates changes in the Company’s allowance for credit losses for each of the three years ended December 31, 2021 (in thousands):

	2019		2020		2021
Allowance for credit losses, beginning of period	$	28,457	$	30,931	$	49,773
Impact of adopting ASC 326	—		4,571		—
Additions charged to expense	49,072		49,130		43,040
Additions from merger	2,207		3,503		—
Write-offs, net of recoveries	(48,805)		(38,362)		(44,030)
Allowance for credit losses, end of period	$	30,931	$	49,773	$	48,783

Schedule of Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share

Set forth below is a reconciliation of shares used to calculate basic and diluted earnings per share for each of the three years ended December 31, 2021 (in thousands):

	2019	2020	2021
Weighted average shares outstanding used to compute basic earnings per share	21,725	22,633	23,955
Incremental shares issuable upon the assumed exercise of stock options	54	14	5
Unvested restricted stock and restricted stock units	318	213	162
Shares used to compute diluted earnings per share	22,097	22,860	24,122
Anti-dilutive shares excluded from the diluted earnings per share calculation	16	63	324