Subsequent Events (Details) - COOCSA - Subsequent Event - USD ($) $ in Thousands	Jan. 25, 2020	Jan. 24, 2020
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage		41.57%
Equity method investment, total cash price		$ 54,500
Shareholder
Subsequent Event [Line Items]
Equity method investment, retrenchment payments	$ 15,984

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant