Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

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, 2022 and 2023 (in thousands):

	As of December 31,
	2022		2023
Cash and cash equivalents	$	213,667	$	168,481
Restricted cash included in other current assets	13,287		12,944
Restricted cash included in other assets	500		500
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	227,454	$	181,925

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, 2022 and 2023 (in thousands):

	December 31, 2022		December 31, 2023
Tuition receivable	$	110,066	$	123,357
Allowance for credit losses	(47,113)		(47,255)
Tuition receivable, net	$	62,953	$	76,102

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, 2023 (in thousands):

	2021		2022		2023
Allowance for credit losses, beginning of period	$	49,773	$	48,783	$	47,113
Additions charged to expense	43,040		41,226		48,444
Write-offs, net of recoveries	(44,030)		(42,896)		(48,302)
Allowance for credit losses, end of period	$	48,783	$	47,113	$	47,255

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, 2023 (in thousands):

	2021	2022	2023
Weighted average shares outstanding used to compute basic earnings per share	23,955	23,679	23,403
Incremental shares issuable upon the assumed exercise of stock options	5	3	4
Unvested restricted stock and restricted stock units	162	316	549
Shares used to compute diluted earnings per share	24,122	23,998	23,956
Anti-dilutive shares excluded from the diluted earnings per share calculation	324	114	174