Equity Equity (Tables)

6 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share (dollars in thousands, except share amounts):     

	Three Months Ended March 31,					Six Months Ended March 31,
	2018		2017			2018		2017
Numerator for basic and diluted earnings (loss) per share attributable to common stockholders:
Net income (loss) attributable to common stockholders	$	25,222	$	(4,229	)	31,573		11,541
Denominator:
Denominator for basic earnings (loss) per share—weighted average number of shares	14,242,076		14,018,099			14,131,050		13,957,706
Effect of diluted securities	200,000		—			200,000		—
Denominator for diluted earnings per share—adjusted weighted average number of shares and assumed conversions	14,442,076		14,018,099			14,331,050		13,957,706
Basic earnings (loss) per share	$	1.77	$	(0.30	)	$	2.23	$	0.83
Diluted earnings (loss) per share	$	1.75	$	(0.30	)	$	2.20	$	0.83