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Earnings (Loss) Per Share - Summary of Earnings (Loss) Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ 51,736 | $ (28,526) | $ 107,820 | $ (117,069) | $ 26,107 | $ (40,353) | $ 174,410 | $ (170,698) | $ 13,961 | $ (10,534) | $ 16,374
Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | (99) | (141) | (79)
Income (loss) from continuing operations attributable to Laureate Education, Inc. |  |  |  |  |  |  |  |  | 13,862 | (10,675) | 16,295
Numerator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Accretion of redemption value of redeemable noncontrolling interests and equity |  |  |  |  |  |  |  |  | (208) | (292) | 317
Adjusted for: accretion related to noncontrolling interests and equity redeemable at fair value |  |  |  |  |  |  |  |  | 0 | (559) | (6,358)
Accretion of Series A Preferred Stock |  |  |  |  |  |  |  |  | 0 | (61,974) | 0
Gain upon conversion of Series A Preferred Stock |  |  |  |  |  |  |  |  | 0 | 74,110 | 0
Distributed and undistributed earnings to participating securities |  |  |  |  |  |  |  |  | 0 | 0 | (1)
Subtotal: accretion of Series A Preferred Stock, net, and other redeemable noncontrolling interests and equity |  |  |  |  |  |  |  |  | (208) | 11,285 | (298,492)
Net income (loss) from continuing operations available to common stockholders for basic earnings per share |  |  |  |  |  |  |  |  | 13,654 | 610 | (282,197)
Adjusted for: accretion of Series A Preferred Stock |  |  |  |  |  |  |  |  | 0 | 61,974 | 0
Adjusted for: gain upon conversion of Series A Preferred Stock |  |  |  |  |  |  |  |  | 0 | (74,110) | 0
Net income (loss) from continuing operations available to common stockholders for diluted earnings per share |  |  |  |  |  |  |  |  | 13,654 | (11,526) | (282,197)
Income from discontinued operations, net of tax | (12,531) | (27,137) | 30,280 | 63,329 | 61,333 | (37,905) | 37,542 | 23,914 | 53,941 | 84,884 | 77,390
Gain on sale of discontinued operations, net of tax | $ 21,372 | $ (41,131) | $ 641,516 | $ 248,005 | $ (15,324) | $ (18,426) | $ 12,003 | $ 318,327 | 869,762 | 296,580 | 0
Loss (income) attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 919 | (722) | (2,220)
Allocation of earnings from discontinued operations to participating securities |  |  |  |  |  |  |  |  | 0 | 0 | (5)
Net income from discontinued operations for basic and diluted earnings per share |  |  |  |  |  |  |  |  | $ 924,622 | $ 380,742 | $ 75,165
Denominator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding (in shares) |  |  |  |  |  |  |  |  | 221,928 | 212,769 | 172,409
Diluted weighted average shares outstanding (in shares) |  |  |  |  |  |  |  |  | 222,471 | 212,769 | 172,409
Basic earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations (in dollars per share) | $ 0.24 | $ (0.13) | $ 0.48 | $ (0.52) | $ 0.11 | $ (0.18) | $ 1.14 | $ (1.22) | $ 0.06 | $ 0 | $ (1.64)
Income from discontinued operations (in dollars per share) | 0.04 | (0.30) | 3.00 | 1.37 | 0.20 | (0.24) | 0.23 | 1.81 | 4.17 | 1.79 | 0.44
Basic earnings (loss) per share (in dollars per share) | 0.28 | (0.43) | 3.48 | 0.85 | 0.31 | (0.42) | 1.37 | 0.59 | 4.23 | 1.79 | (1.20)
Diluted earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations (in dollars per share) | 0.24 | (0.13) | 0.48 | (0.52) | 0.11 | (0.18) | 0.78 | (1.22) | 0.06 | (0.06) | (1.64)
Income from discontinued operations (in dollars per share) | 0.04 | (0.30) | 3.00 | 1.37 | 0.20 | (0.24) | 0.22 | 1.81 | 4.16 | 1.79 | 0.44
Diluted earnings (loss) per share (in dollars per share) | $ 0.28 | $ (0.43) | $ 3.48 | $ 0.85 | $ 0.31 | $ (0.42) | $ 1.00 | $ 0.59 | $ 4.22 | $ 1.73 | $ (1.20)
Stock options |  |  |  |  |  |  |  |  |  |  |
Denominator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Effect of dilutive stock (in shares) |  |  |  |  |  |  |  |  | 27 | 0 | 0
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |
Denominator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Effect of dilutive stock (in shares) |  |  |  |  |  |  |  |  | 516 | 0 | 0
Puttable Arrangements - Common and Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Numerator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Accretion of redemption value of redeemable noncontrolling interests and equity |  |  |  |  |  |  |  |  |  |  | $ (5,183)
Series A Convertible Redeemable Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Numerator used in basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Accretion of Series A Preferred Stock |  |  |  |  |  |  |  |  |  |  | (292,450)
Adjusted for: accretion of Series A Preferred Stock |  |  |  |  |  |  |  |  |  |  | $ 292,450

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