STOCK-BASED COMPENSATION (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Stock-based compensation
Stock-based compensation expense	$ 2,101	$ 2,444
Stock-based compensation awards granted (in shares)	100,866	175,470
Stock options
Stock-based compensation
Stock-based compensation expense	$ 31	$ 120
Stock options granted (in shares)	1,604	6,430
Unrecognized compensation expense	$ 160
Weighted-average vesting period (years)	1 year 10 months 24 days
Stock appreciation rights
Stock-based compensation
Stock-based compensation expense	$ 442	$ 766
Other than options granted (in shares)	46,726	69,360
Unrecognized compensation expense	$ 3,012
Weighted-average vesting period (years)	2 years 2 months 12 days
Restricted stock
Stock-based compensation
Stock-based compensation expense	$ 1,243	$ 1,280
Other than options granted (in shares)	23,976	42,260
Unrecognized compensation expense	$ 6,140
Weighted-average vesting period (years)	3 years 3 months 18 days
Performance stock
Stock-based compensation
Stock-based compensation expense	$ 385	$ 278
Other than options granted (in shares)	28,560	57,420
Unrecognized compensation expense	$ 2,522
Weighted-average vesting period (years)	2 years 1 month 6 days
Performance stock \| Maximum
Stock-based compensation
Earn out basis if all goals are met (as a percent)	200.00%

The number stock-based compensation awards granted during the period.

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- Definition

Percentage of third interim earn out which is a basis for vesting.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made 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).

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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.

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- Definition

Gross number of share options (or share units) granted during the period.

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