Number of Consolidated Non Profit Universities

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- Definition

Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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- Definition

Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Significant Accounting Policies - New Accounting Pronouncements (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) university	Jun. 30, 2017 USD ($)	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ (548,617)		$ (548,617)			$ (946,236)
Revenues	1,247,917	$ 1,277,439	2,133,205	$ 2,133,372
Decrease in operating activities			(1,834)	140,763
Increase in financing activities			(393,059)	123,201
Increase in investing cash flow			264,263	(95,509)
Net periodic benefit cost			62
ASU 2014-09 \| Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ 6,204		6,204		$ 1,400
Revenues			$ 498
ASU 2016-15
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in operating activities				65,000
Increase in financing activities				65,000
ASU 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings					$ 2,900
ASU 2016-18
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in operating activities				318
Increase in investing cash flow				$ 143
Chile
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of Consolidated Non Profit Universities \| university			3