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Stockholders' Equity - Schedule of Stockholders' Equity (Details) - USD ($) shares in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | $ 2,327,906,000 | $ 2,050,946,000 | $ 1,767,473,000 | $ 1,587,282,000 | $ 2,050,946,000 | $ 1,587,282,000 |  |
Adoption of accounting standards |  |  |  |  |  |  | $ 28,944,000 | $ 5,074,000
Balance, adjusted |  |  |  |  |  |  | 2,079,890,000 | 1,592,356,000
Non-cash stock compensation | 4,854,000 | 3,149,000 | 7,687,000 | (3,756,000) |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding | 170,000 | (1,420,000) | (941,000) | (803,000) |  |  |  |
Distributions to noncontrolling interest holders | (731,000) | (625,000) | (1,473,000) | 581,000 |  |  |  |
Change in noncontrolling interests | (3,700,000) |  | (2,730,000) | (21,043,000) |  |  |  |
Accretion of redeemable noncontrolling interests and equity | 0 |  | (4,650,000) |  |  |  |  |
Accretion of Series A Preferred Stock | 194,000 |  | 882,000 |  |  |  |  |
Reclassification of Series A Preferred Stock upon conversion |  |  | 238,101,000 |  |  |  |  |
Other |  |  | (744,000) |  |  |  |  |
Reclassification of redeemable noncontrolling interests and equity | (855,000) | 224,000 | (19,000) | 38,000 |  |  |  |
Net income | 779,616,000 | 194,265,000 | 223,956,000 | 171,545,000 | 973,881,000 | 395,501,000 |  |
Foreign currency translation adjustment, net of tax of $0 | 10,188,000 | 49,551,000 | (196,672,000) | 83,369,000 | 59,739,000 | (113,303,000) |  |
Unrealized gain on derivatives, net of tax of $0 |  |  | 10,126,000 | 2,210,000 |  | 12,336,000 |  |
Unrealized loss on derivatives, net of tax of $0 | (10,559,000) | 2,609,000 |  |  | (7,950,000) |  |  |
Minimum pension liability adjustment, net of tax of $0 |  |  |  | 376,000 | 0 | 376,000 |  |
Balance, end of period | 3,107,083,000 | 2,327,906,000 | 2,115,106,000 | 1,767,473,000 | 3,107,083,000 | 2,115,106,000 |  |
Foreign currency translation adjustment, tax | 0 | 0 | 0 | 0 | 0 | 0 |  |
Unrealized gain on derivative instruments, tax | 0 | 0 | 0 | 0 |  | 0 |  |
Pension adjustment, tax | 0 |  |  | 0 | 0 | 0 |  |
Additional paid-in capital |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | 3,705,787,000 | 3,703,796,000 | 3,383,778,000 | 3,446,206,000 | 3,703,796,000 | 3,446,206,000 |  |
Balance, adjusted |  |  |  |  |  |  | 3,703,796,000 | 3,446,206,000
Non-cash stock compensation | 4,854,000 | 3,149,000 | 7,687,000 | (3,756,000) |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding | 170,000 | (1,421,000) | (942,000) | (804,000) |  |  |  |
Change in noncontrolling interests | (3,700,000) |  |  | (468,000) |  |  |  |
Reclassification of Series A Preferred Stock upon conversion |  |  | 237,957,000 |  |  |  |  |
Balance, end of period | 3,707,305,000 | 3,705,787,000 | 3,698,822,000 | 3,383,778,000 | 3,707,305,000 | 3,698,822,000 |  |
(Accumulated deficit) retained earnings |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | (310,732,000) | (530,919,000) | (772,283,000) | (946,236,000) | (530,919,000) | (946,236,000) |  |
Adoption of accounting standards |  |  |  |  |  |  | 28,944,000 | 5,074,000
Balance, adjusted |  |  |  |  |  |  | (501,975,000) | (941,162,000)
Other |  |  | (744,000) |  |  |  |  |
Net income | 781,592,000 | 191,243,000 | 224,412,000 | 168,879,000 |  |  |  |
Balance, end of period | 470,860,000 | (310,732,000) | (548,615,000) | (772,283,000) | 470,860,000 | (548,615,000) |  |
Accumulated other comprehensive loss, Laureate Education, Inc |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | (1,060,565,000) | (1,112,695,000) | (839,322,000) | (925,556,000) | (1,112,695,000) | (925,556,000) |  |
Balance, adjusted |  |  |  |  |  |  | (1,112,695,000) | (925,556,000)
Foreign currency translation adjustment, net of tax of $0 | 10,275,000 | 49,521,000 | (197,143,000) | 83,648,000 |  |  |  |
Unrealized gain on derivatives, net of tax of $0 |  |  | 10,126,000 | 2,210,000 |  |  |  |
Unrealized loss on derivatives, net of tax of $0 | (10,559,000) | 2,609,000 |  |  |  |  |  |
Minimum pension liability adjustment, net of tax of $0 |  |  |  | 376,000 |  |  |  |
Balance, end of period | (1,060,849,000) | (1,060,565,000) | (1,026,339,000) | (839,322,000) | (1,060,849,000) | (1,026,339,000) |  |
Non-controlling interests |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | (7,482,000) | (10,133,000) | (5,451,000) | 12,118,000 | (10,133,000) | 12,118,000 |  |
Balance, adjusted |  |  |  |  |  |  | (10,133,000) | 12,118,000
Distributions to noncontrolling interest holders | (731,000) | (625,000) | (1,473,000) | 581,000 |  |  |  |
Change in noncontrolling interests |  |  | (2,730,000) | (20,575,000) |  |  |  |
Reclassification of redeemable noncontrolling interests and equity | (855,000) | 224,000 | (19,000) | 38,000 |  |  |  |
Net income | (1,976,000) | 3,022,000 | (456,000) | 2,666,000 |  |  |  |
Foreign currency translation adjustment, net of tax of $0 | (87,000) | 30,000 | 471,000 | (279,000) |  |  |  |
Balance, end of period | $ (11,131,000) | $ (7,482,000) | $ (9,658,000) | $ (5,451,000) | $ (11,131,000) | $ (9,658,000) |  |
Class A Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance of shares outstanding, beginning of period (in shares) |  | 107,450 |  |  | 107,450 |  |  |
Balance of shares outstanding, end of period (in shares) | 118,806 |  |  |  | 118,806 |  |  |
Class A Common Stock | Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance of shares outstanding, beginning of period (in shares) | 107,783 | 107,450 | 55,256 | 55,052 | 107,450 | 55,052 |  |
Balance, beginning of period | $ 431,000 | $ 430,000 | $ 221,000 | $ 220,000 | $ 430,000 | $ 220,000 |  |
Balance, adjusted |  |  |  |  |  |  | 430,000 | 220,000
Conversion of Class B shares to Class A shares (in shares) | 10,991 | 8 | 27 | 59 |  |  |  |
Conversion of Class B shares to Class A shares | $ 44,000 |  |  |  |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding (in shares) | 32 | 325 | 188 | 145 |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding |  | $ 1,000 | $ 1,000 | $ 1,000 |  |  |  |
Reclassification of Series A Preferred Stock upon conversion (in shares) |  |  | 36,143 |  |  |  |  |
Reclassification of Series A Preferred Stock upon conversion |  |  | $ 144,000 |  |  |  |  |
Balance of shares outstanding, end of period (in shares) | 118,806 | 107,783 | 91,614 | 55,256 | 118,806 | 91,614 |  |
Balance, end of period | $ 475,000 | $ 431,000 | $ 366,000 | $ 221,000 | $ 475,000 | $ 366,000 |  |
Class B Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance of shares outstanding, beginning of period (in shares) |  | 116,865 |  |  | 116,865 |  |  |
Balance of shares outstanding, end of period (in shares) | 105,866 |  |  |  | 105,866 |  |  |
Class B Common Stock | Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance of shares outstanding, beginning of period (in shares) | 116,857 | 116,865 | 132,443 | 132,443 | 116,865 | 132,443 |  |
Balance, beginning of period | $ 467,000 | $ 467,000 | $ 530,000 | $ 530,000 | $ 467,000 | $ 530,000 |  |
Balance, adjusted |  |  |  |  |  |  | $ 467,000 | $ 530,000
Conversion of Class B shares to Class A shares (in shares) | (10,991) | (8) | (27) | (59) |  |  |  |
Conversion of Class B shares to Class A shares | $ (44,000) |  |  |  |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding (in shares) |  |  | 0 | 59 |  |  |  |
Balance of shares outstanding, end of period (in shares) | 105,866 | 116,857 | 132,416 | 132,443 | 105,866 | 132,416 |  |
Balance, end of period | $ 423,000 | $ 467,000 | $ 530,000 | $ 530,000 | $ 423,000 | $ 530,000 |  |
Redeemable noncontrolling interests and equity |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accretion of redeemable noncontrolling interests and equity | 194,000 | 263,000 | 882,000 | (76,000) |  |  |  |
Accretion of Series A Preferred Stock |  |  |  |  | 457,000 | 806,000 |  |
Redeemable noncontrolling interests and equity | Additional paid-in capital |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accretion of redeemable noncontrolling interests and equity | $ 194,000 | $ 263,000 | 882,000 | (76,000) |  |  |  |
Series A Convertible Redeemable Preferred Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accretion of redeemable noncontrolling interests and equity |  |  | (74,110,000) |  | $ 0 | $ (61,974,000) |  |
Accretion of Series A Preferred Stock |  |  | (4,650,000) |  |  |  |  |
Accretion of Series A Convertible Redeemable Preferred Stock |  |  |  | $ (57,324,000) |  |  |  |
Series A Convertible Redeemable Preferred Stock | Additional paid-in capital |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accretion of redeemable noncontrolling interests and equity |  |  | $ (74,110,000) |  |  |  |  |

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