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Summary of Significant Accounting Policies (Detail Textuals 1) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Unearned interest, dealer discounts and allowance for credit losses | $ 195,500 | $ 186,300 | $ 195,500 | $ 186,300 |
Period for maintaining historical write off information with respect to static pool |  |  | 10 years |  |
Percentage of liquidation level assist in determining allowance for credit losses |  |  | 20.00% |  |
Percentage of liquidation level assist in determining allowance for credit losses |  |  | 40.00% |  |
Percentage of liquidation level assist in determining allowance for credit losses |  |  | 60.00% |  |
Percentage of liquidation level assist in determining allowance for credit losses |  |  | 80.00% |  |
Percentage of liquidation level assist in determining allowance for credit losses |  |  | 100.00% |  |
Percentage of allowances increased of principal amount |  |  | 50.00% |  |
Average dealer discount associated with new volume |  |  | 7.08% | 7.51% | 8.08%
Cash paid for income taxes |  |  | $ 5,400 | $ 8,500 | $ 7,300
Cash paid for interest, including debt origination costs |  |  | 9,100 | 8,800 | 6,100
Amortization of commission for products | $ (1,754) | $ (1,662) | $ (1,754) | $ (1,662) | $ (1,266)

X
- Definition Represents unearned interest, discounts and allowance of credit losses included in the face amount of finance receivables, that are shown as a deduction from the related receivables. + References No definition available. + Details
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- Definition Represents percentage of allowances increased of principal amount . + References No definition available. + Details
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- Definition Represents Percentage of liquidation level assist in determining allowance for credit losses. + References No definition available. + Details
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- Definition Represents Percentage of liquidation level assist in determining allowance for credit losses. + References No definition available. + Details
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- Definition Represents Percentage of liquidation level assist in determining allowance for credit losses . + References No definition available. + Details
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- Definition Represents Percentage of liquidation level assist in determining allowance for credit losses. + References No definition available. + Details
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- Definition Represents Percentage of liquidation level assist in determining allowance for credit losses. + References No definition available. + Details
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- Definition This element represents the percentage of finance receivable interest discount. + References No definition available. + Details
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- Definition The amount of expense recognized in the current period for the periodic realization of capitalized fees that were paid to salespeople, distributors, brokers, and agents at the time of the conclusion of the sale. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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