Net Income (loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Undistributed Earnings (Loss) Available to Common Shareholders, Basic	$ (39,790)	$ (51,828)	$ (27,692)	$ (65,177)
Undistributed net loss available to nonvested restricted stockholders and holders of convertible preferred stock	(126)	(55)	(91)	(58)
Undistributed net loss available to common stockholders	$ (39,916)	$ (51,883)	$ (27,783)	$ (65,235)
Weighted average common shares outstanding - basic (in shares)	17,230,879	17,003,206	17,161,477	16,982,247
Weighted average common shares outstanding—diluted (in shares)	17,230,879	17,003,206	17,161,477	16,982,247
Earnings Per Share, Basic, Undistributed (in USD per share)	$ (2.32)	$ (3.05)	$ (1.62)	$ (3.84)
Earnings Per Share, Diluted, Undistributed (in USD per share)	$ (2.32)	$ (3.05)	$ (1.62)	$ (3.84)
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares issuable under stock options (in shares)	0	0	0	0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	485,513	269,872	327,192	211,594
Cumulative Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		404,197	418,531	404,197
Performance-Based Restricted Stock Units (PBRSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares issuable under stock options (in shares)	0	0	0	0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	98,946	91,697	75,926	65,971

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