Annual Loan Review Threshold, Amount

No definition available.

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- Definition

The number of new loans identified as troubled debt restructurings during the period.

+ References

No definition available.

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- Definition

Number Of Properties Disposed By Sale

+ References

No definition available.

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- Definition

Number Of Properties Under Foreclosure Proceedings

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

No definition available.

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- Definition

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

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No definition available.

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- Definition

The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of financing receivable modified as troubled debt restructuring.

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- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

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- Definition

Amount of allowance for credit losses related to recorded investment.

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- Definition

Interest and fee income related to commercial loans including industrial and agricultural, real estate (commercial and residential, construction and development), trade financing, and lease financing.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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Loans Receivable and Allowance for Loan Losses (Narrative) (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2021 USD ($) property loan item	Dec. 31, 2020 USD ($)	Jul. 07, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired with credit deterioration	$ 15,410,000
Real Estate Acquired Through Foreclosure	1,876,000	$ 965,000
Impaired Financing Receivable, Related Allowance	275,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		20,000
Loans and Leases Receivable, Gross	1,372,774,000	1,412,289,000
Outstanding Balance	$ 13,332,000	15,570,000
Single Property [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Properties Under Foreclosure Proceedings \| item	1
Mortgage Loans in Process of Foreclosure, Amount	$ 1,032,000
Multiple Properties [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real Estate Acquired Through Foreclosure	$ 121,000
Number Of Properties Disposed By Sale \| property	1
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Properties Under Foreclosure Proceedings \| property	4
Mortgage Loans in Process of Foreclosure, Amount	$ 492,000
Loans and Leases Receivable, Gross	265,778,000	263,127,000
Residential Real Estate Loans [Member] \| Hospitality Lodging Industry [Member] \| Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 116,500,000
Concentration Risk, Percentage	8.50%
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, Related Allowance	$ 275,000
Loans and Leases Receivable, Gross	612,794,000	579,104,000
Commercial Real Estate Loans [Member] \| Commercial Rentals [Member] \| Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 133,700,000
Concentration Risk, Percentage	9.70%
Troubled Debt Restructured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 0	75,000
Impaired Financing Receivable, Related Allowance	$ 0	0
New Loans Identified as Troubled Debt Restructurings, Number of Loans \| loan	0
PPP Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance	$ 35,800,000	$ 95,000,000.0
Loan forgiven	116,400,000
Fee income	5,200,000
UpState New York Bancorp, Inc. [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets, Fair Value Adjustment	6,937,000
Loans acquired with credit deterioration			$ 15,410,000
Outstanding Balance	15,410,000
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Annual Loan Review threshold, amount	1,500,000
COVID [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)	$ 2,100,000