Leases (Tables)

3 Months Ended

Oct. 31, 2019

Leases [Abstract]

Schedule of supplemental disclosures related to the Company's operating leases cost

	Three Months Ended October 31, 2019
	(in thousands)
Operating lease cost	$	711
Short-term lease cost		58
Total lease cost	$	769
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	684

	October 31, 2019
Weighted-average remaining lease term-operating leases		4.9 years
Weighted-average discount rate-operating leases		3.12	%

Schedule of aggregate operating lease liability

	October 31, 2019
	(in thousands)
Operating lease liabilities included in "Other current liabilities"	$	2,417
Operating lease liabilities included in noncurrent liabilities		9,335
Total	$	11,752

Schedule of future minimum maturities of operating lease liabilities

	Twelve-month period ending October 31,
	(in thousands)
2020	$	2,776
2021		2,637
2022		2,438
2023		1,996
2024		1,880
Thereafter		986
Total lease payments		12,713
Less imputed interest		(961	)
Total operating lease liabilities	$	11,752