Consolidated Statements of Cash Flows $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Cash flows provided by operating activities:
Net income	$ 118,395	$ 124,355
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	5,334	5,185
Depreciation and amortization	10,300	9,065
Amortization of intangible assets	4,210	3,865
Deferred income taxes	1,466	1,373
Loss on transaction		3,966
Other, including fixed asset impairments	111	(285)
Changes in assets and liabilities:
Accounts receivable and interest receivable from university partners	33,384	41,056
Other assets	(5,234)	(2,220)
Right-of-use assets and lease liabilities	1,079	147
Accounts payable	2,846	(102)
Accrued liabilities	9,266	1,746
Income taxes receivable/payable	32,206	(8,812)
Deferred revenue	7,689	9,996
Net cash provided by operating activities	221,052	189,335
Cash flows used in investing activities:
Capital expenditures	(12,229)	(9,656)
Amortization of intangible assets	(147)	(228)
Acquisition, net of cash acquired		(361,184)
Funding to GCU	(75,000)	(169,819)
Purchases of investments		(1,772)
Proceeds from sale or maturity of investments	6,799	56,897
Net cash used in investing activities	(80,577)	(485,762)
Cash flows (used in) provided by financing activities:
Principal payments on notes payable	(16,572)	(72,041)
Debt issuance costs		(2,385)
Proceeds from notes payable		243,750
Net borrowings from revolving line of credit		26,250
Repurchase of common shares including shares withheld in lieu of income taxes	(74,017)	(18,467)
Net proceeds from exercise of stock options	74	3,408
Net cash (used in) provided by financing activities	(90,515)	180,515
Net increase (decrease) in cash and cash equivalents and restricted cash	49,960	(115,912)
Cash and cash equivalents and restricted cash, beginning of period	122,572	182,013
Cash and cash equivalents and restricted cash, end of period	172,532	66,101
Supplemental disclosure of cash flow information
Cash paid for interest	2,619	4,837
Cash paid for income taxes	1,850	35,114
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment included in accounts payable	2,689	914
Lease adoption - recognition of right of use assets and lease liabilities		$ 498
Allowance for credit losses of $5,000, net of taxes of $1,168 from adoption of ASU 2016-13	3,832
ROU Asset and Liability recognition	$ 15,510