COMMON STOCK - Share Repurchase Program (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Class of Stock [Line Items]
Shares repurchased during the year, value	$ 3,388	$ 3,984
Share Repurchase Program [Member] | 10b5-1 Plan [Member]
Class of Stock [Line Items]
Number of authorized shares to repurchase, shares			1,000,000
Shares repurchased during the year, number of shares	231,274	322,068
Shares repurchased during the year, value	$ 3,400	$ 4,000
Share Repurchase Program [Member] | 10b5-1 Plan [Member] | Cumulative basis [Member]
Class of Stock [Line Items]
Shares repurchased during the year, number of shares	819,325
Shares repurchased during the year, value	$ 8,500