Segment Reporting - Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenues
Revenues	$ 256,606	$ 258,855
Income (loss) from operations
Consolidated income (loss) from operations	(1,349)	13,441
Amortization of intangible assets	(3,532)	(3,738)
Merger and integration costs	(425)	(410)
Restructuring costs	(5,595)	(1,858)
Segment Reconciling Items
Income (loss) from operations
Amortization of intangible assets	(3,532)	(3,738)
Merger and integration costs	(425)	(410)
Restructuring costs	(5,595)	(1,858)
U.S. Higher Education
Revenues
Revenues	196,895	195,766
Income (loss) from operations
Consolidated income (loss) from operations	9,589	15,483
Australia / New Zealand
Revenues
Revenues	41,503	48,512
Income (loss) from operations
Consolidated income (loss) from operations	(7,182)	(749)
Education Technology Services
Revenues
Revenues	18,208	14,577
Income (loss) from operations
Consolidated income (loss) from operations	$ 5,796	$ 4,713

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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