European Non-Controlling Redeemable Equity - Additional Information (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($)
Redeemable Noncontrolling Interest [Line Items]
Accrued annual dividend to non-controlling interest	$ 1,512
Redemption premium	1,000
Domination and Profit Loss Transfer Agreement [Member]
Redeemable Noncontrolling Interest [Line Items]
Non-controlling interests with carrying value reclassified from stockholders' equity to mezzanine equity	$ 51,900

The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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 210.5-02.27(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644

Name:	us-gaap_PreferredStockRedemptionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant