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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 03, 2020 | Nov. 22, 2019 | Nov. 06, 2019 | Jan. 14, 2019 | Nov. 01, 2018 | Aug. 22, 2018 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Jan. 06, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Options granted (in shares) |  |  |  |  |  |  | 0 | 0 | 69,973 |
Options granted (in dollars per share) |  |  |  |  |  |  | $ 0 | $ 0 | $ 40.82 |
Cash paid for tax withholdings |  |  |  |  |  |  | $ 1,208 | $ 831 | $ 1,219 |
Restricted Stock Unit and Restricted Stock Award |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Units granted (in shares) |  |  |  |  |  |  | 141,642 | 168,048 | 107,321 |
Share-based compensation, incentive stock awards, weighted average grant date fair value (in dollars per share) |  |  |  |  |  |  | $ 54.96 | $ 37.49 | $ 41.63 |
Long-Term Incentive Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Shares reserved for issuance in the long-term incentive plan (in shares) |  |  |  |  |  |  |  |  |  | 1,700,000
Number of shares available for grant (in shares) |  |  |  |  |  |  | 602,339 |  |  |
Weighted average contractual term outstanding (in years) |  |  |  |  |  |  | 2 years 6 months 18 days |  |  |
Weighted average contractual term outstanding and exercisable (in years) |  |  |  |  |  |  | 2 years 4 months 9 days |  |  |
Intrinsic value exercised |  |  |  |  |  |  | $ 322 | $ 200 | $ 732 |
Intrinsic value outstanding |  |  |  |  |  |  | 6,580 |  |  |
Intrinsic value outstanding and exercisable |  |  |  |  |  |  | 4,806 |  |  |
Stock compensation expense |  |  |  |  |  |  | 5,581 | 3,042 | 2,607 |
Cash paid for tax withholdings |  |  |  |  |  |  | 1,208 | $ 831 | $ 1,219 |
Long-Term Incentive Plan | Restricted Stock Unit and Restricted Stock Award |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Grants in period | $ 3,145 | $ 2,714 |  |  | $ 3,474 |  |  |  |  |
Stock price (in dollars per share) | $ 54.47 | $ 38.05 |  |  | $ 41.85 |  |  |  |  |
Unrecognized compensation cost |  |  |  |  |  |  | $ 8,504 |  |  |
Weighted average remaining contractual terms (in years) |  |  |  |  |  |  | 2 years 1 month 6 days |  |  |
Long-Term Incentive Plan | Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation, incentive stock awards, granted (in shares) |  |  |  |  | 35,000 |  |  |  |  |
Units granted (in shares) | 33,000 | 43,000 |  |  |  |  |  |  |  |
Issuances of equity for services (in shares) |  |  |  |  |  |  | 13,624 | 22,206 | 17,663 |
Share-based compensation, incentive stock awards, weighted average grant date fair value (in dollars per share) |  |  |  |  |  |  | $ 55.61 | $ 32.93 | $ 42.29 |
Long-Term Incentive Plan | Restricted Stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation, incentive stock awards, granted (in shares) |  |  |  |  | 48,000 |  |  |  |  |
Units granted (in shares) | 25,000 | 28,000 |  |  |  |  |  |  |  |
Long-Term Incentive Plan | Employee Stock Option |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Options granted (in shares) |  |  |  | 19,973 |  | 50,000 |  |  |  |
Options granted (in dollars per share) |  |  |  |  |  | $ 42.13 |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  | 4 years |  |  |  |
Vested in period, fair value |  |  |  | $ 263 |  | $ 733 |  |  |  |
Risk free interest rate |  |  |  | 2.53% |  | 2.70% |  |  |  |
Expected volatility rate |  |  |  | 39.00% |  | 38.40% |  |  |  |
Expected term (in years) |  |  |  | 4 years 3 months |  | 4 years 3 months |  |  |  |
Expected dividend rate |  |  |  | 0.00% |  | 0.00% |  |  |  |
Fair value assumptions, exercise price (in dollars per share) |  |  |  | $ 37.55 |  |  |  |  |  |
Shares withheld (in shares) |  |  |  |  |  |  | 21,081 | 25,469 | 26,458 |
Long-Term Incentive Plan | Market Performance Awards |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Grants in period | $ 1,002 | $ 810 |  |  |  |  |  |  |  |
Stock price (in dollars per share) | $ 54.47 | $ 38.05 |  |  |  |  |  |  |  |
Units granted (in shares) | 18,000 | 21,000 |  |  |  |  |  |  |  |
Maximum number of shares available for issue if performance target is met | 28,000 | 32,000 |  |  |  |  |  |  |  |
Long-Term Incentive Plan | Stock Awards With Market Condition |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Grants in period | $ 1,293 | $ 1,039 |  |  |  |  |  |  |  |
Units granted (in shares) | 18,000 | 21,000 |  |  |  |  |  |  |  |
Maximum number of shares available for issue if performance target is met | 37,000 |  |  |  |  |  |  |  |  |
Long-Term Incentive Plan | Stock Awards With Market Condition | Maximum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 42,000 |  |  |  |  |  |  |  |
Common Stock | Class A Common Stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Issuances of equity for services (in shares) |  |  |  |  |  |  | 1,000 | 2,000 |  |
Common Stock | Class A Common Stock | Long-Term Incentive Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Issuances of equity for services (in shares) |  |  |  |  |  |  | 1,376 | 2,870 | 853 |
Share-based Compensation Award, Tranche One | Long-Term Incentive Plan | Restricted Stock Unit and Restricted Stock Award |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) | 3 years |  | 3 years |  |  |  |  |  |  |
Percentage, restricted stock | 58.00% |  | 60.00% |  | 71.00% |  |  |  |  |
Share-based Compensation Award, Tranche Two | Long-Term Incentive Plan | Restricted Stock Unit and Restricted Stock Award |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) | 4 years |  | 4 years |  | 4 years |  |  |  |  |
Percentage, restricted stock | 42.00% |  | 40.00% |  | 29.00% |  |  |  |  |

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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 The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
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