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Non-Performing Assets Including Troubled Debt Restructurings (TDR) - concentration of COVID-19 related modifications within the loan portfolio (Details) - USD ($) $ in Thousands | 6 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 | Sep. 30, 2020
Financing Receivable, Modifications [Line Items] |  |
Loans For Which Payment Relief Has Been Requested | $ 200,005 | $ 144,361
% of Outstanding Non-PPP Loans | 23.20% | 16.40%
CRE | Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Loans For Which Payment Relief Has Been Requested | $ 190,276 | $ 140,132
% of Outstanding Non-PPP Loans | 30.40% | 21.80%
Home Equity | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Loans For Which Payment Relief Has Been Requested | $ 5,890 | $ 160
% of Outstanding Non-PPP Loans | 6.00% | 0.20%
Real estate-residential mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Loans For Which Payment Relief Has Been Requested | $ 3,839 | $ 4,069
% of Outstanding Non-PPP Loans | 2.80% | 2.90%

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- Definition Represents the amount of loans for which payment relief has been requested. + References No definition available. + Details
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