FHLBP Advances and Short-Term Borrowed Funds (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Repurchase agreement amount, percentage		102.00%
Repurchase agreements and repurchase-to-maturity transactions		$ 12,023
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	1.63%	1.44%
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	$ 32,935	$ 79,013
Federal Home Loan Bank Of Pittsburgh [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility maximum borrowing capacity	$ 508,600
Short-Term Borrowing Maximum Period	364 days
Loans used as collateral		719,400
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	70.70%
Maturity Overnight and Continuous [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Repurchase agreements and repurchase-to-maturity transactions		12,023
State and Municipal Tax-Exempt [Member] \| Maturity Overnight and Continuous [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Repurchase agreements and repurchase-to-maturity transactions		12,000
Federal Funds Purchased and Securities Sold under Agreements to Repurchase		$ 12,100
Federal Funds Purchased [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility maximum borrowing capacity	60,000
Letter of Credit [Member] \| Federal Home Loan Bank Of Pittsburgh [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility maximum borrowing capacity	30,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	$ 32,900

Percentage of Repurchase Agreement amount sold

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- Definition

Short-Term Borrowing Maximum Period

+ References

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- Definition

Amount after offset of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(1))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of advances from the Federal Home Loan Bank (FHLB).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 470
-Section 45
-Paragraph 1
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- Definition

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

+ References

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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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- 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.

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