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Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill, by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Jun. 30, 2021
Goodwill [Line Items] |  |  |
Goodwill beginning balance | $ 686,374 | $ 686,214 | $ 686,480
Acquisitions | 642,554 |  |
Foreign exchange rate changes |  | 266 | (106)
Goodwill ending balance | 1,328,928 | 686,480 | 686,374
Chamberlain University Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 4,716 | 4,716 | 4,716
Goodwill ending balance | 4,716 | 4,716 | 4,716
Walden University |  |  |
Goodwill [Line Items] |  |  |
Acquisitions | 642,554 |  |
Goodwill ending balance | 642,554 |  |
Medical and Veterinary [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 305,494 | 305,494 | 305,494
Goodwill ending balance | 305,494 | 305,494 | 305,494
Financial Service [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 376,164 | 376,004 | 376,270
Foreign exchange rate changes |  | 266 | (106)
Goodwill ending balance | $ 376,164 | $ 376,270 | $ 376,164

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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