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Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
loan
Mar. 31, 2015
USD ($)
loan
Dec. 31, 2015
USD ($)
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]      
Impaired Financing Receivable, Related Allowance $ 1,644   $ 1,613
Troubled Debt Restructured Loans [Member]      
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]      
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan 1 2  
Financing Receivable, Modifications, Subsequent Default, Recorded Investment $ 432 $ 2,400  
New Loans Identified as Troubled Debt Restructurings, Number of Loans | loan 0 0  
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down $ 100 $ 373  
Financing Receivable, Modifications, Recorded Investment 6,500   6,800
Impaired Financing Receivable, Related Allowance $ 1,641   $ 1,613