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Investments Investments (Schedule of Amortized Cost and Fair Value of Other Investments) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]    
Equity Securities, FV-NI Cost [1] $ 544  
Equity Securities, FV-NI, Unrealized Gain [1] 202  
Equity Securities, FV-NI, Unrealized Loss [1] 0  
Equity Securities, FV-NI [1] 746  
Federal Home Loan Bank Stock 8,559 $ 18,296
Federal Reserve Bank Stock 5,374 5,374
Other Investments, Amortized Cost 14,477 23,670
Other Investments, Unrealized Gain 202 0
Other Investments, Unrealized Loss 0 0
Other Investments $ 14,679 $ 23,670
[1] (1) Effective January 1, 2018 these investments were reclassified to other investments on the consolidated statements of condition as they are no longer eligible for AFS classification upon adoption of ASU 2016-01. Refer to Note 1 for further details.