Goodwill and Other Identifiable Intangible Assets (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2020 USD ($)
Goodwill [Abstract]
Balance	$ 113,059
Goodwill acquisitions during the year	33,503
Balance	146,562
Identifiable Intangible Assets [Abstract]
Balance	61,304
Identifiable intangible assets acquisitions during the year	12,700
Balance	$ 74,004