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Portfolio Loans - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2022 USD ($) loan | Sep. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) loan | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Distributions of portfolio loans |  |  |  |  |  |
Net deferred loan origination (fees) costs |  |  |  |  |  | $ 9,000
Net deferred loan origination costs | $ 10,600 |  |  |  |  |
Net accretable purchase accounting adjustments | 7,700 |  |  |  |  | 8,800
Gross interest income that would have been recorded if impaired loans had been current | $ 200 |  | $ 500 |  |  |
Amount of interest collected and recognized on a cash basis |  | $ 400 |  |  | $ 400 |
TDRs subsequently classified as non-performing and had payment defaults | loan | 0 |  | 0 |  |  |
Loans in the process of foreclosure | $ 500 |  |  |  |  |
Retail real estate |  |  |  |  |  |
Distributions of portfolio loans |  |  |  |  |  |
Loans purchased |  | $ 0 |  | $ 0 |  |
Maximum | Commercial Real Estate Loans |  |  |  |  |  |
Distributions of portfolio loans |  |  |  |  |  |
Limit where loans are processed through an expedited underwriting process | 1,000 |  |  |  |  |
Watch | Commercial Loans |  |  |  |  |  |
Distributions of portfolio loans |  |  |  |  |  |
Limit above which loans are annually reviewed | 1,000 |  |  |  |  |
Special Mention | Commercial Loans |  |  |  |  |  |
Distributions of portfolio loans |  |  |  |  |  |
Limit above which loans are annually reviewed | 350 |  |  |  |  |
PPP Loans |  |  |  |  |  |
Distributions of portfolio loans |  |  |  |  |  |
Amortized cost of the loans outstanding | $ 31,800 |  |  |  |  | $ 75,000

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- Definition Amount of increase (decrease) of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123409700&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 + Details
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- Definition Unearned discounts (other than cash or quantity discounts and the like), finance charges, and interest included in the face amount of receivables, that are shown as a deduction from the related receivables. For example, 1) finance charges booked as a receivable when a loan is made and recognized as income at a later date; and 2) interest charges deducted from the face loan amount, resulting in a discounted amount actually advanced to the borrower (wherein the receivable includes the amount actually advanced to the borrower and the as yet unearned interest income). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4519-111522 + Details
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