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Short-Term Borrowings and Long-Term Debt - Short-term borrowings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) item	Dec. 31, 2019 USD ($)
Short-Term Borrowings
Short term borrowings	$ 106,862	$ 123,676
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
Federal funds purchased, facility two | Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Maximum borrowing capacity	24,000
Open Repo Plus Weekly 0.39%, Maturing On 05/28/2020
Short-Term Borrowings
Short term borrowings	$ 60,416	102,320
Interest rate (as a percent)	0.41%
Federal Reserve discount window
Short-Term Borrowings
Short term borrowings	$ 10,000
Interest rate (as a percent)	0.25%
Federal Reserve discount window | Federal Home Loan Bank of Pittsburgh
Short-Term Borrowings
Maximum borrowing capacity	$ 15,300
Short term borrowings	10,000
Mid-term Repo-fixed 0.36%, Maturing On 01/13/2021
Short-Term Borrowings
Short term borrowings	$ 4,605
Interest rate (as a percent)	0.36%
Mid-term Repo-fixed 0.10%, Maturing On 06/10/2021
Short-Term Borrowings
Short term borrowings	$ 6,376
Interest rate (as a percent)	0.10%
Mid-term Repo-fixed 0.11%, Maturing On 09/10/2021
Short-Term Borrowings
Short term borrowings	$ 10,000
Interest rate (as a percent)	0.11%
Mid-term Repo-fixed 0.16%, Maturing On 12/10/2021
Short-Term Borrowings
Short term borrowings	$ 10,000
Interest rate (as a percent)	0.16%
Mid-term Repo-fixed 0.23%, Maturing On 01/27/2021
Short-Term Borrowings
Short term borrowings	$ 5,465
Interest rate (as a percent)	0.23%
Mid-term Repo-fixed 2.76%, Maturing On 08/10/2020
Short-Term Borrowings
Short term borrowings		5,000
Interest rate (as a percent)	2.76%
Mid-term Repo-fixed 1.59%, Maturing On 08/10/2020
Short-Term Borrowings
Short term borrowings		5,144
Interest rate (as a percent)	1.59%
Mid-Term Repo-fixed Rate 1.59%, Maturing On 09/11/2020
Short-Term Borrowings
Short term borrowings		7,676
Interest rate (as a percent)	1.59%
Mid-term Repo-fixed 2.03%, Maturing On 03/27/2020
Short-Term Borrowings
Short term borrowings		3,123
Interest rate (as a percent)	2.03%
Acquisition Purchase Note 3.00%, Maturing On 04/01/2020
Short-Term Borrowings
Short term borrowings		$ 413
Interest rate (as a percent)	3.00%

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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