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	(97,787)				(97,787)
Foreign currency translation	$ (2,344)			(2,344)
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	2,114		2,114
Net restricted stock activity (in shares)		199,181
Net restricted stock activity	(1,817)	$ 10	(1,827)
Minority interest	(90)				(90)
Balance (in shares) at Mar. 31, 2020		35,566,206
Balance at Mar. 31, 2020	197,993	$ 1,778	21,186	6,998	168,031
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
Net loss	(67,541)				(67,541)
Foreign currency translation	(2,482)			(2,482)
Stock-based compensation	(25)		(25)
Net restricted stock activity (in shares)		2,595
Net restricted stock activity	(19)		(19)
Minority interest	38				38
Balance (in shares) at Mar. 31, 2020		35,566,206
Balance at Mar. 31, 2020	$ 197,993	$ 1,778	21,186	6,998	168,031
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	(78,991)				(78,991)
Foreign currency translation	$ 1,643			1,643
Stock repurchase program (in shares)	0
Exercise of SARs (in shares)		3,775
Exercise of SARs	$ (24)		(24)
Stock-based compensation	1,792		1,792
Net restricted stock activity (in shares)		160,334
Net restricted stock activity	(99)	$ 8	(107)
Minority interest	$ (520)				(520)
Balance (in shares) at Mar. 31, 2021	35,789,825	35,789,825
Balance at Mar. 31, 2021	$ 49,504	$ 1,789	23,672	9,092	14,951
Balance (in shares) at Dec. 31, 2020		35,768,086
Balance at Dec. 31, 2020	58,448	$ 1,788	22,076	8,786	25,798
Net loss	(10,847)				(10,847)
Foreign currency translation	306			306
Exercise of SARs (in shares)		3,775
Exercise of SARs	(24)		(24)
Stock-based compensation	1,703		1,703
Net restricted stock activity (in shares)		17,964
Net restricted stock activity	$ (82)	$ 1	(83)
Balance (in shares) at Mar. 31, 2021	35,789,825	35,789,825
Balance at Mar. 31, 2021	$ 49,504	$ 1,789	$ 23,672	$ 9,092	$ 14,951