Short-Term Borrowings and Long-Term Debt - Short-term borrowings (Details)	12 Months Ended
Dec. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($)
Short-Term Borrowings
Amount of short term borrowings	$ 9,376,000	$ 12,750,000
Short term borrowings	123,676,000	114,300,000
Federal Home Loan Bank of Pittsburgh \| Wealth Division
Short-Term Borrowings
Short term borrowings	$ 413,000
Federal funds purchased \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Number of borrowing facilities \| item	2
Short term borrowings	$ 0	0
Federal funds purchased, facility one \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Maximum borrowing capacity	15,000,000
Federal funds purchased, facility two \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Maximum borrowing capacity	24,000,000
Federal Reserve discount window \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Maximum borrowing capacity	10,400,000
Short term borrowings	0
Short-term borrowing with interest rate 1.81% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings	$ 102,300,000
Interest rate (as a percent)	1.81%
Short-term borrowing with interest rate 1.59% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings	$ 7,700,000
Interest rate (as a percent)	1.59%
Short-term borrowing with interest rate 1.59% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings	$ 5,100,000
Interest rate (as a percent)	1.59%
Short-term borrowing with interest rate 2.76% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings	$ 5,000,000
Interest rate (as a percent)	2.76%
Short-term borrowing with interest rate 2.03% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings	$ 3,100,000
Interest rate (as a percent)	2.03%
Short-term borrowing with interest rate 2.62% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings		$ 112,500,000
Interest rate (as a percent)		2.62%
Short-term borrowing with interest rate 1.70% \| Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Short term borrowings		$ 1,800,000
Interest rate (as a percent)		1.70%
Duration of debt (in years)		4 years

The number of borrowing facilities.

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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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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