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Related Party Transactions (Related Party Revenue) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Related party transactions: |  |  |
Management fees revenue | $ 26,533 | $ 25,341 | $ 24,493
Revenue from related parties | 32,619 | 36,173 | 36,912
Sac Holdings [Member] |  |  |
Related party transactions: |  |  |
Interest income revenue | 4,960 | 5,914 | 7,071
Management fees revenue | 18,657 | 18,472 | 18,007
Private Mini [Member] |  |  |
Related party transactions: |  |  |
Interest income revenue | 1,126 | 4,918 | 5,348
Management fees revenue | 3,330 | 2,614 | 2,437
Mercury [Member] |  |  |
Related party transactions: |  |  |
Management fees revenue | $ 4,546 | $ 4,255 | $ 4,049

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- Definition Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References No definition available. + Details
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- Details
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