VARIABLE INTEREST ENTITIES - Nonconsolidated VIEs (Details) $ in Thousands	6 Months Ended
Sep. 30, 2017 USD ($) joint_venture	Mar. 31, 2017 USD ($)	Sep. 30, 2016 USD ($)
Variable Interest Entity [Line Items]
Investment in joint ventures	$ 52,606	$ 52,328	$ 55,655
Advances to joint ventures	$ 5,325	8,133	8,965
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Number of joint ventures, accounted for under equity method accounting \| joint_venture	8
Number of joint ventures, borrowings guaranteed by company \| joint_venture	2
Investment in joint ventures	$ 51,825	51,443	54,639
Advances to joint ventures	$ 5,325	8,133	8,965
Number of joint venture, maximum loss exposure \| joint_venture	2
Joint venture, maximum loss exposure	$ 75,625	$ 96,378	$ 94,054

Number Of Joint Ventures, Borrowings Guaranteed By Company

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Number of Joint Ventures

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Number of Joint Ventures, Maximum Loss Exposure

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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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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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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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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