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Troubled Debt Restructuring Modifications (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modification, Number of Contracts 1 1 1 1
Financing Receivable, Modification, Pre-Modification Recorded Investment $ 1,275 $ 1,509 $ 1,275 $ 1,509
Financing Receivable, Modifications, Post-Modifications Recorded Investment $ 1,266 $ 1,509 $ 1,266 $ 1,509
Commercial Real Estate Other Loans [Member]        
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modification, Number of Contracts 1 1 1 1
Financing Receivable, Modification, Pre-Modification Recorded Investment $ 1,275 $ 1,509 $ 1,275 $ 1,509
Financing Receivable, Modifications, Post-Modifications Recorded Investment $ 1,266 $ 1,509 $ 1,266 $ 1,509
Commercial Real Estate Loans, Total [Member]        
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modification, Number of Contracts 1 1 1 1
Financing Receivable, Modification, Pre-Modification Recorded Investment $ 1,275 $ 1,509 $ 1,275 $ 1,509
Financing Receivable, Modifications, Post-Modifications Recorded Investment $ 1,266 $ 1,509 $ 1,266 $ 1,509