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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Mar. 31, 2015
--- | --- | ---
Levels of fair value measurements of financial assets: |  |
Restricted cash | $ 6,751 | $ 6,751
Fair Value, Measurements, Recurring [Member] |  |
Levels of fair value measurements of financial assets: |  |
Restricted cash | 6,751 | 6,751
Interest rate derivatives | 172 | 28
Financial assets | 6,923 | 6,959
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 |  |
Levels of fair value measurements of financial assets: |  |
Restricted cash | 6,751 | 6,751
Interest rate derivatives | 0 | 0
Financial assets | 6,751 | 6,751
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 |  |
Levels of fair value measurements of financial assets: |  |
Restricted cash | 0 | 0
Interest rate derivatives | 172 | 208
Financial assets | 172 | 208
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 |  |
Levels of fair value measurements of financial assets: |  |
Restricted cash | 0 | 0
Interest rate derivatives | 0 | 0
Financial assets | $ 0 | $ 0

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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References 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 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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