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Investments in Foreign Joint Ventures - Schedule of Activity in Investment in Foreign Joint Ventures (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Investments in foreign joint ventures:
Balance, beginning of year	$ 10,947
Equity in earnings (loss)	171
Dividend declared	(1,051)
Foreign currency translation adjustment	408
Balance, end of year	10,475
Components of investments in foreign joint ventures:
Investment in joint ventures	2,033
Undistributed earnings	7,086
Foreign currency translation	1,356
Investments, end of period	10,475	$ 10,947
BOMAY
Investments in foreign joint ventures:
Balance, beginning of year	10,736
Equity in earnings (loss)	171
Dividend declared	(1,051)
Foreign currency translation adjustment	408
Balance, end of year	10,264
Components of investments in foreign joint ventures:
Investment in joint ventures	2,033
Undistributed earnings	7,086
Foreign currency translation	1,145
Investments, end of period	10,264
MIEFE
Investments in foreign joint ventures:
Balance, beginning of year	211
Balance, end of year	211
Components of investments in foreign joint ventures:
Foreign currency translation	211
Investments, end of period	$ 211

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Investments in foreign joint ventures.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

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