Loan-to-value (LTV) ratio for adjustable rate loans.

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- Definition

Loan-to-value (LTV) ratio for fixed rate loans.

+ References

No definition available.

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- Definition

Loan-to-value (LTV) ratio for loans requiring private mortgage insurance that reduced ltv exposure.

+ References

No definition available.

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- Definition

Loans and Leases Receivable, Impaired, Commitments To Lend To Nonperforming Loans

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No definition available.

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- Definition

Mortgage Loans On Real Estate, Initial Rate Below The Fully Indexed Rate, Percent

+ References

No definition available.

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- Definition

Nature Of Operations, Number of Banking Offices

+ References

No definition available.

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- Definition

Nature of Operations, Number of Subsidiary Banks

+ References

No definition available.

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- Definition

This is the average principal amount (during the year) of the securitized and unsecuritized financial assets.

+ References

No definition available.

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- Definition

The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)(4)
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-Section 45
-Paragraph 28
-Subparagraph (b)
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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.

+ References

No definition available.

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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-Name Accounting Standards Codification
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-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
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- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

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-Publisher FASB
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-Topic 310
-SubTopic 40
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-Paragraph 1
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- Definition

Amount, after allowance for bad debt, of other loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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- Definition

The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

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- Definition

Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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Loans and Leases - Narrative (Details)	12 Months Ended
Loans and Leases - Narrative (Details)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 USD ($) banking_office	Dec. 31, 2017 USD ($) subsidiary_bank	Dec. 31, 2017 USD ($) subsidiary_trust	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Initial rate below the fully indexed rate, percent (less than)		0.01%
Sale of residential mortgage loans	$ 4,600,000					$ 3,900,000	$ 3,200,000
Net gains on sale of residential mortgage loans	50,000					95,000	54,000
Mortgage servicing assets added during the period	38,000					21,000	18,000
Amortization of mortgage servicing assets	122,000					157,000	146,000
Residential mortgage loans serviced	104,100,000					115,300,000
Mortgage servicing rights, amortized cost	667,000	$ 667,000	$ 667,000	$ 667,000	$ 667,000	800,000
Mortgage servicing rights (MSR) impairment	0					0
Loans held for sale	280,000	280,000	280,000	280,000	280,000	0
Residential mortgage loans used to secure advances from FHLB	475,000,000	475,000,000	$ 475,000,000	$ 475,000,000	$ 475,000,000	365,000,000
Number of subsidiary banks			4	3	4
Interest income on nonaccrual loans	1,000,000					$ 1,000,000	$ 1,200,000
Loans and leases receivable, impaired, commitments to lend to nonperforming loans	$ 0	$ 0	$ 0	$ 0	$ 0
Tompkins, Cayuga, Cortland and Schuyler Counties, New York
Business Acquisition [Line Items]
Number of banking offices \| banking_office			14
Genesee Valley Region, New York State
Business Acquisition [Line Items]
Number of banking offices \| banking_office			17
Putman County, New York
Business Acquisition [Line Items]
Number of banking offices \| banking_office			5
Dutchess County, New York
Business Acquisition [Line Items]
Number of banking offices \| banking_office			3
Westchcester County, New York
Business Acquisition [Line Items]
Number of banking offices \| banking_office			6
Southeastern Pennsylvania
Business Acquisition [Line Items]
Number of banking offices \| banking_office			20
LTV 80 to 100 Percent
Business Acquisition [Line Items]
Loan to value - fixed rate loans (percent)	80.00%	80.00%	80.00%	80.00%	80.00%
Loan to value - adjusted rate loans (percent)	85.00%	85.00%	85.00%	85.00%	85.00%
Loan to value - private mortgage insurance (percent)	78.00%	78.00%	78.00%	78.00%	78.00%