CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Retained Earnings
Balance (in shares) at Jun. 30, 2019		36,869,249
Balance at Jun. 30, 2019	$ 324,245	$ 1,843	$ 47,152	$ 9,342	$ 265,908
Net loss	(30,246)				(30,246)
Foreign currency translation	$ 138			138
Stock repurchase program (in shares)	(1,500,000)	(1,504,000)
Stock repurchase program	$ (26,356)	$ (75)	(26,281)
Exercise of SARs (in shares)		1,776
Exercise of SARs	28		28
Stock-based compensation	2,139		2,139
Net restricted stock activity (in shares)		196,586
Net restricted stock activity	(1,798)	$ 10	(1,808)
Minority interest	(128)				(128)
Balance (in shares) at Dec. 31, 2019		35,563,611
Balance at Dec. 31, 2019	268,022	$ 1,778	21,230	9,480	235,534
Balance (in shares) at Sep. 30, 2019		35,548,036
Balance at Sep. 30, 2019	283,739	$ 1,777	20,880	8,939	252,143
Net loss	(16,441)				(16,441)
Foreign currency translation	541			541
Exercise of SARs (in shares)		1,500
Exercise of SARs	28		28
Stock-based compensation	332		332
Net restricted stock activity (in shares)		14,075
Net restricted stock activity	(9)	$ 1	(10)
Minority interest	(168)				(168)
Balance (in shares) at Dec. 31, 2019		35,563,611
Balance at Dec. 31, 2019	$ 268,022	$ 1,778	21,230	9,480	235,534
Balance (in shares) at Jun. 30, 2020	35,625,716	35,625,716
Balance at Jun. 30, 2020	$ 125,703	$ 1,781	22,011	7,449	94,462
Net loss	(68,144)				(68,144)
Foreign currency translation	$ 1,337			1,337
Stock repurchase program (in shares)	0
Stock-based compensation	$ 89		89
Net restricted stock activity (in shares)		142,370
Net restricted stock activity	(17)	$ 7	(24)
Minority interest	$ (520)				(520)
Balance (in shares) at Dec. 31, 2020	35,768,086	35,768,086
Balance at Dec. 31, 2020	$ 58,448	$ 1,788	22,076	8,786	25,798
Balance (in shares) at Sep. 30, 2020		35,665,783
Balance at Sep. 30, 2020	89,541	$ 1,783	20,596	7,951	59,211
Net loss	(32,879)				(32,879)
Foreign currency translation	835			835
Stock-based compensation	1,314		1,314
Net restricted stock activity (in shares)		102,303
Net restricted stock activity	171	$ 5	166
Minority interest	$ (534)				(534)
Balance (in shares) at Dec. 31, 2020	35,768,086	35,768,086
Balance at Dec. 31, 2020	$ 58,448	$ 1,788	$ 22,076	$ 8,786	$ 25,798