Stock-based Compensation (Tables)

6 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of stock-based compensation expense

Following is a summary of stock-based compensation expense related to stock options and restricted stock awards for the three and six months ended March 31, 2020 and March 31, 2019, respectively.

	Three Months Ended				Six Months Ended
	March 31,				March 31,
in thousands	2020		2019		2020		2019
Stock-based compensation expense	$	899	$	2,180	$	3,210	$	4,294

Schedule of stock options outstanding

Following is a summary of stock option activity for the six months ended March 31, 2020:

	Six Months Ended
	March 31, 2020
	Shares		Weighted Average Exercise Price
Outstanding at beginning of period	523,754		$	14.34
Granted	950		10.67
Exercised	(126,492	)	11.05
Cancelled	(2,350	)	9.70
Outstanding at end of period	395,862		$	15.42
Exercisable at end of period	363,556		$	15.65
Vested or expected to vest in the future	394,502		$	15.43

Schedule of nonvested stock awards activity

Following is a summary of restricted stock activity for the six months ended March 31, 2020:

	Six Months Ended March 31, 2020
	Performance-Based Restricted Shares		Time-Based Restricted Shares		Total Restricted Shares
Beginning of period	778,814		611,607		1,390,421
Granted	260,131		320,236		580,367
Vested	(242,921	)	(291,846	)	(534,767	)
Forfeited	—		(11,448	)	(11,448	)
End of period	796,024		628,549		1,424,573