Commitments and Contingencies - Summary of Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
INTI Education Holdings Sdn Bhd
Redeemable Noncontrolling Interest [Line Items]
Noncontrolling interest, noncontrolling owners, ownership percent allowed to be sold	10.00%
Pearl Retail Solutions Private Limited and Creative Arts Education Society
Redeemable Noncontrolling Interest [Line Items]
Noncontrolling interest, noncontrolling owners, ownership percent allowed to be sold	45.00%
Puttable Common Stock | INTI Education Holdings Sdn Bhd
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	$ 9,187
Reported Value	9,187
Puttable Common Stock | Pearl Retail Solutions Private Limited and Creative Arts Education Society
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	6,599
Reported Value	6,599
Puttable Preferred Stock | Stamford International University
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	58
Reported Value	58
Puttable Non-controlling Interest
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	15,844
Reported Value	15,844
Puttable common stock - currently redeemable
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	4
Reported Value	4
Puttable common stock - not currently redeemable
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	0
Reported Value	3,200
Puttable Arrangements - Common and Preferred Stock
Redeemable Noncontrolling Interest [Line Items]
Estimated Value as of March 31, 2017 redeemable within 12-months:	15,848
Reported Value	$ 19,048	$ 23,876