Earnings (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders—basic									$ 12,063	$ (8,401)	$ (26,274)
Net income (loss) attributable to nonvested restricted stockholders									69	(61)	(302)
Weighted average shares outstanding—basic									15,909,631	15,604,452	15,492,314
Net income (loss)	$ 3,111	$ 2,506	$ 4,709	$ 1,806	$ (2,978)	$ (1,306)	$ (7,157)	$ 2,979	$ 12,132	$ (8,462)	$ (26,576)
Shares issuable under stock options									104,956	0	0
Weighted average shares outstanding—diluted									16,014,587	15,604,452	15,492,314
Net loss per common share—basic	$ 0.19	$ 0.16	$ 0.29	$ 0.11	$ (0.19)	$ (0.08)	$ (0.46)	$ 0.19	$ 0.76	$ (0.54)	$ (1.72)
Net loss per common share—diluted	$ 0.19	$ 0.16	$ 0.29	$ 0.11	$ (0.19)	$ (0.08)	$ (0.46)	$ 0.19	$ 0.76	$ (0.54)	$ (1.72)