Long-Term Debt and FHLB Stock (Schedule of outstanding principal amounts and related terms of FHLBNY borrowings) (Details) - Federal Home Loan Bank of New York ("FHLBNY") $ in Thousands	Sep. 30, 2020 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 54,857
Rate	1.92%
Due in one year	$ 34,712
Long term	20,145
1 year bullet on February 1, 2021
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 10,000
Rate	0.80%
Due in one year	$ 10,000
Long term	0
2 year amortizing on May 17, 2021
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 3,809
Rate	2.53%
Due in one year	$ 3,809
Long term	0
2 year bullet on May 17, 2021
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 10,000
Rate	2.46%
Due in one year	$ 10,000
Long term	0
3 year amortizing on May 17, 2021
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 2,583
Rate	2.92%
Due in one year	$ 2,583
Long term	0
3 year amortizing on May 16, 2022
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 5,924
Rate	2.49%
Due in one year	$ 3,353
Long term	2,571
3 year bullet on May 16, 2022
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 10,000
Rate	2.44%
Due in one year	$ 0
Long term	10,000
3 year amortizing February 28, 2023
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Principal amount	$ 12,541
Rate	1.32%
Due in one year	$ 4,967
Long term	$ 7,574

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

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The current portion of Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

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The noncurrent portion of Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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