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Commitments, Contingencies and Guarantees (Details Textual) - USD ($) |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2015 | Aug. 07, 2015 | Dec. 31, 2015 | Sep. 30, 2015 | Mar. 31, 2016 | Sep. 30, 2015 | Mar. 31, 2015
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  | $ 71,000,000 |  |
Initial Perquisites Repayment | $ 11,285 |  |  |  |  |  |
Bonus Repayment |  | $ 10,582 | $ 1,500 | $ 1,000 |  |  |
Non-recoverable cash bonus award charge |  |  |  |  |  | $ 5,338 |
Investment Commitments |  |  |  |  | 3,182,000 |  |
Letters of Credit Outstanding, Amount |  |  |  |  | $ 4,597,000 |  |
Minimum [Member] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interest obligation, year of payment |  |  |  |  | 2016 |  |
Maximum [Member] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interest obligation, year of payment |  |  |  |  | 2024 |  |
Contractual redemption right [Member] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  | $ 16,710,000 |  |
Contractual redemption right [Domain] | Common Class A [Member] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  | 120,000 |  |
Excess initial redemption value [Domain] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  | 3,449,000 |  |
Termination or death redemption right [Domain] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  | 50,841,000 |  |
SEC Investigation [Member] |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
Professional Fees |  |  |  |  | $ 1,486 |  | $ 5,762

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- Definition Bonus Repayment + References No definition available. + Details
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- Definition Initial Perquisites Repayment + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.2(a),(b),(c),(d)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section 45 -Paragraph 3 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849 + Details
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- Definition Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 24(b) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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