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Borrowings and Related Interest (Summary of Federal Home Loan Bank Advances And Maturity) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Advances From Federal Home Loan Banks [Line Items]    
Borrowings $ 104,423 $ 305,561
Federal Home Loan Bank Advances [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings 67,419 77,849
Federal Home Loan Bank Advances [Member] | Under 90 Days [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings 31,119 31,955
Federal Home Loan Bank Advances [Member] | Over One to Three Years [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings 11,593 8,517
Federal Home Loan Bank Advances [Member] | Over Three to Five Years [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings 20,410 33,018
Federal Home Loan Bank Advances [Member] | Over FIve Years [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings 4,297 4,359
Federal Loan Home Bank Advances Short Term Period Matured [Member] | Federal Home Loan Bank Advances [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings $ 31,119 $ 40,472
Federal Loan Home Bank Advances Short Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] | Minimum [Member]    
Advances From Federal Home Loan Banks [Line Items]    
FHLB, Weighted Average Interest Rate 0.44% 1.85%
Federal Loan Home Bank Advances Short Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] | Maximum [Member]    
Advances From Federal Home Loan Banks [Line Items]    
FHLB, Weighted Average Interest Rate   2.59%
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Federal Home Loan Bank Advances [Member]    
Advances From Federal Home Loan Banks [Line Items]    
Borrowings $ 36,300 $ 37,377
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] | Minimum [Member]    
Advances From Federal Home Loan Banks [Line Items]    
FHLB, Weighted Average Interest Rate 2.92% 2.92%
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] | Maximum [Member]    
Advances From Federal Home Loan Banks [Line Items]    
FHLB, Weighted Average Interest Rate 3.24% 3.24%