Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Commitment and Contingencies

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Commitment and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019
Commitment and Contingencies [Line Items]
Weighted average remaining lease term	8 years 9 months 18 days
Weighted average discount rate	2.00%
Operating lease payments	$ 4,898
Right-of-use assets obtained in exchange for lease liabilities	4,298
Loans in process	1,353,774			$ 1,201,341
Reserve for unfunded commitments	19,500	$ 18,650	$ 18,250	6,900
Financing Receivable
Commitment and Contingencies [Line Items]
Loans in process	$ 2,235,184			$ 2,379,089