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Acquisitions - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 15, 2018 | Jul. 06, 2017 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 27, 2017
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  | $ 51,404 | $ 32,230 | $ 12,692 |
Dealer relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible asset, useful life |  | 20 years |  |  |  |
Patent |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible asset, useful life |  | 15 years |  |  |  |
Pursuit |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Fair value of total consideration transferred | $ 100,073 |  |  |  |  |
Goodwill | 19,525 |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 2,848 | 329 |  |
Cash consideration paid | $ 100,073 |  |  |  |  |
Pursuit | Dealer relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 20 years |  |  |  |  |
Cobalt |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Fair value of total consideration transferred |  | $ 130,525 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life |  | 19 years 9 months |  |  |  |
Goodwill |  | $ 19,791 |  |  |  |
Cash consideration paid |  | 129,525 |  |  |  |
Equity consideration paid |  | $ 1,000 |  |  |  |
Acquisition related costs |  |  |  | $ 489 | $ 3,056 |
Cobalt | Dealer relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible asset, useful life |  | 20 years |  |  |  |
Cobalt | Patent |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible asset, useful life |  | 15 years |  |  |  |
Cobalt | Class A Common Stock |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Issuance of common stock (in shares) |  | 39,262 |  |  |  |
Stock price (in dollars per share) |  |  |  |  |  | $ 25.47

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