Acquisition Activity - Assets Acquired and Liabilities (Details) - Graduate School USA $ in Thousands	Jan. 01, 2022 USD ($)
Business Acquisition [Line Items]
Cash and cash equivalents	$ 1,000
Working capital adjustment	(2,450)
Total consideration	(1,450)
Assets acquired:
Accounts receivable	4,282
Prepaid expenses	1,096
Property and equipment, net	400
Operating lease assets	31,635
Intangible assets	965
Total assets acquired	38,378
Liabilities assumed:
Accounts payable and accrued liabilities	810
Deferred revenue	1,969
Lease liabilities, current	1,179
Lease liabilities, long-term	30,779
Deferred income taxes	1,263
Total liabilities assumed	36,000
Net assets acquired	2,378
Gain on acquisition	$ 3,828