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Stockholder's Equity (Details) |  |  |  |  |  |  |  | 5 Months Ended | 7 Months Ended | 12 Months Ended |  |  |  |  |
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May. 27, 2015 USD ($) shares | May. 21, 2015 shares | Apr. 15, 2015 USD ($) $ / shares shares | Apr. 09, 2015 shares | Jul. 15, 2014 USD ($) $ / shares shares | Jul. 02, 2014 shares | Feb. 04, 2014 USD ($) shares | Jun. 30, 2014 USD ($) $ / shares shares | Feb. 05, 2014 USD ($) $ / shares shares | Jun. 30, 2015 USD ($) Vote $ / shares shares | Mar. 13, 2015 USD ($) $ / shares | May. 31, 2014 shares | Dec. 31, 2013 shares | Nov. 01, 2013 $ / shares shares | Jun. 30, 2013 shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Shares authorized |  |  |  |  |  |  |  |  |  | 150,000,000 |  |  |  |  |
Common stock, par value (per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  |  |  | 25,000,000 |  | 25,000,000 |  |  |  |  |
Preferred stock, par value (per share) | $ / shares |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  | 100 |
Number of Votes | Vote |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  |  |  |  |  | $ 10.00 |  |  |  |  |
Number of LLC units outstanding |  |  |  |  |  |  |  | 22,437,938.000 |  | 19,277,820.00 |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  | 100.00% |  | 100.00% |  |  |  |  |
Repurchase of Class A Common Stock | $ |  |  |  |  |  |  |  |  |  | $ (71,523,000) |  |  |  |  |
Issuance of common stock | $ |  |  |  |  |  |  |  | $ 99,512,000 | $ 47,766,000 | $ 133,362,000 |  |  |  |  |
Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  | 100,000,000 |  | 100,000,000 |  |  |  |  |
Common stock, par value (per share) | $ / shares |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  | $ 0.01 |
Common stock, shares issued |  |  |  |  |  |  |  | 11,064,201 |  | 17,870,569 |  |  | 100 |  |
Underwriting discounts and commissions | $ |  |  |  |  | $ 5,106,000 |  |  |  |  |  |  |  |  |  |
Common stock shares issued | 3,996,255 |  |  |  |  |  | 8,214,285 |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  | $ 14.00 |  |  |  |  |  |
Common stock, shares, outstanding |  |  |  |  |  |  |  | 11,064,201 |  | 17,870,569 |  |  |  |  |
Conversion of previous classes of units into LLC units as part of the Recapitalization (units) | 2,967,267 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock | $ | $ 19.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 2,602,923 |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 5,520,000 |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount | $ |  |  |  |  |  |  |  |  |  |  | $ 70,000,000 |  |  |  |
stock repurchase per share | $ / shares |  |  | $ 21.00 |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares |  |  | 3,333,333 |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of Class A Common Stock | $ |  |  | $ 70,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Unsolicited Tender Offer Costs | $ |  |  | $ 1,523,000 |  |  |  |  |  |  |  |  |  |  |  |
Conversion of previous classes of units into LLC units as part of the Recapitalization (units) |  |  |  | 2,602,923 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock | $ |  |  |  |  | $ 18.50 |  |  |  |  |  |  |  |  |  |
Class B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  | 25,000,000 |  | 25,000,000 |  |  |  |  |
Common stock, par value (per share) | $ / shares |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  | 44 |  | 24 |  |  |  |  |
Common stock, shares, outstanding |  |  |  |  |  |  |  | 44 |  | 24 |  |  |  |  |
Common Stock [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  |  | 7,643,000 | 3,412,000 | 4,371,000 |  |  |  |  |
Treasury Stock, Shares, Retired |  | 19 |  |  |  |  |  |  |  | 3,333,000 |  |  |  |  |
Common stock, shares, outstanding |  |  |  |  |  |  |  | 11,064,000 |  | 17,859,000 |  |  |  |  | 0
Conversion of previous classes of units into LLC units as part of the Recapitalization (units) |  |  |  |  |  |  |  |  |  | 5,583,000 |  |  |  |  |
Issuance of common stock | $ |  |  |  |  |  |  |  | $ 76,000 | $ 34,000 | $ 73,000 |  |  |  |  |
Common Stock [Member] | Class B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  |  | 25,000,000 |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  | 44 |  | 10 |  |  |
Stock Repurchased and Retired During Period, Shares |  |  |  |  |  | (1) |  |  |  | 20 |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 34 | 44 |  |  |  |  |  |  |
Common stock, shares, outstanding |  |  |  |  |  |  |  | 44.000 |  | 24 |  |  |  |  | 0
Malibu Boat LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Malibu boats, Inc, cumulative percentage ownership after all transactions |  |  |  |  |  |  | 49.30% |  |  |  |  |  |  |  |
Malibu Boat LLC [Member] | Noncontrolling Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of LLC units outstanding |  |  |  |  |  |  |  | 11,373,737 |  | 1,419,094 |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  | 50.70% |  | 7.40% |  |  |  |  |
Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 4,371,893 |  |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
stock repurchase per share | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 21.00 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
stock repurchase per share | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 23.50 |  |  |  |
IPO [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  |  | $ 115,000,000 |  |  |  |  |  |  |  |
Underwriting discounts and commissions | $ |  |  |  |  |  |  | $ 8,050,000 |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 8,214,285 |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  | $ 14.00 |  |  |  |  |  |
IPO [Member] | Noncontrolling Interest [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 2,840,545 |  |  |  |  |  |  |  |
IPO [Member] | Common Stock [Member] | Class B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 34 |  |  |  |  |  |  |  |
IPO [Member] | Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  |  | $ 99,512,000 |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 7,642,996 |  |  |  |  |  |  |  |
IPO [Member] | Stock Sold by Selling Stockholders [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  |  | $ 7,438,000 |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  |  |  | 571,289 |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued | 521,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 538,252 |  | 899,252 |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Stock Sold by Selling Stockholders [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 181,748 |  | 172,175 |  |  |  |  |  |  |  |
Follow-On Offering [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  | $ 76,836,000 |  |  |  |  |  |  |  |  |  |
Underwriting discounts and commissions | $ |  |  |  |  | $ 5,106,000 |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 1,148,107 |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  | $ 18.50 |  |  |  |  |  |  |  |  |  |
Follow-On Offering [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 5,520,000 |  |  |  |  |  |  |  |  |  |
Follow-On Offering [Member] | Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  | $ 102,120,000 |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 4,371,893 |  |  |  |  |  |  |  |  |  |
Follow-On Offering [Member] | Stock Sold by Selling Stockholders [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  | $ 20,178,000 |  |  |  |  |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 1,148,107 |  |  |  |  |  |  |  |  |  |
Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  | $ 76,836,000 |  |  |  |  |  |  |  |  |  |

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