Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Sep. 30, 2020

Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Abstract]

Summary of repurchase agreements

The following tables present the gross obligation by the class of collateral pledged and the remaining contractual maturity of the agreements at September 30, 2020 and 2019.

	September 30, 2020
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater than 90 Days		Total
	(dollars in thousands)
Repurchase agreements
Mortgage-backed securities	$	65,506	$	—	$	—	$	—	$	65,506
Total repurchase agreements	$	65,506	$	—	$	—	$	—	$	65,506

	September 30, 2019
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater than 90 Days		Total
	(dollars in thousands)
Repurchase agreements
Mortgage-backed securities	$	68,992	$	—	$	—	$	—	$	68,992
Total repurchase agreements	$	68,992	$	—	$	—	$	—	$	68,992