Stock Compensation Plans (Tables)

3 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

Stock option activity for the three months endedDecember 31, 2019 and 2018 is summarized as follows:

	Three Months Ended December 31, 2019				Three Months Ended December 31, 2018
	Number of Shares		Weighted Average Exercise Price		Number of Shares		Weighted Average Exercise Price
Options outstanding, beginning of period	378,304		$	18.15	380,820		$	16.03
Exercised	(16,975	)	10.03		(7,400	)	9.55
Granted	1,000		26.50		—		—
Forfeited	(450	)	15.99		(3,700	)	18.03
Options outstanding, end of period	361,879		$	18.56	369,720		$	16.14

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

Additional information regarding options outstanding at December 31, 2019 is as follows:

	Options Outstanding				Options Exercisable
Range of Exercise Prices ($)	Number	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Number	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)
$ 4.01 - 4.55	1,000	$	4.01	1.9	1,000	$	4.01	1.9
5.86 - 6.00	19,100	5.97		2.8	19,100	5.97		2.8
9.00	44,425	9.00		3.8	44,425	9.00		3.8
10.26 - 10.71	102,564	10.59		5.3	79,314	10.58		5.3
15.67	46,000	15.67		6.8	25,000	15.67		6.8
26.50 - 27.14	47,840	27.13		9.8	—	N/A		N/A
29.69	55,500	29.69		7.8	22,200	29.69		7.8
31.80	45,450	31.80		8.8	9,090	31.80		8.8
	361,879	$	18.56	6.6	200,129	$	13.48	5.3