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Loans Receivable (TDR Pre/Post Modifications) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
USD ($)
number
Dec. 31, 2015
USD ($)
number
Dec. 31, 2014
USD ($)
number
Mortgage Loan [Member]      
Financing Receivable, Modifications [Line Items]      
Number of contracts | number 90 160 162
Financing Receivable Modifications Pre Modification Recorded Investment $ 11,684 $ 21,053 $ 21,188
Pre Modification Weighted Average Rate 6.05% 5.42% 6.03%
Pre Modification Weighted Average Term 351 months 356 months 350 months
Financing Receivable Modifications Post Modification Recorded Investment $ 11,625 $ 21,182 $ 20,958
Post Modification Weighted Average Rate 4.77% 4.35% 4.25%
Post Modification Weighted Average Term 439 months 272 months 420 months
Commercial Loan [Member]      
Financing Receivable, Modifications [Line Items]      
Number of contracts | number 20 9 26
Financing Receivable Modifications Pre Modification Recorded Investment $ 9,833 $ 5,664 $ 200,446
Pre Modification Weighted Average Rate 5.73% 6.79% 7.25%
Pre Modification Weighted Average Term 64 months 66 months 3 months
Financing Receivable Modifications Post Modification Recorded Investment $ 10,151 $ 13,174 $ 200,125
Post Modification Weighted Average Rate 5.93% 4.57% 7.25%
Post Modification Weighted Average Term 116 months 56 months 10 months
Consumer Loan [Member]      
Financing Receivable, Modifications [Line Items]      
Number of contracts | number 75 64 26
Financing Receivable Modifications Pre Modification Recorded Investment $ 817 $ 611 $ 212
Pre Modification Weighted Average Rate 13.60% 13.85% 10.09%
Pre Modification Weighted Average Term 73 months 71 months 56 months
Financing Receivable Modifications Post Modification Recorded Investment $ 902 $ 898 $ 240
Post Modification Weighted Average Rate 11.23% 13.43% 12.96%
Post Modification Weighted Average Term 66 months 60 months 65 months
Auto Loan [Member]      
Financing Receivable, Modifications [Line Items]      
Number of contracts | number   5  
Financing Receivable Modifications Pre Modification Recorded Investment   $ 130  
Pre Modification Weighted Average Rate   10.51%  
Pre Modification Weighted Average Term   65 months  
Financing Receivable Modifications Post Modification Recorded Investment   $ 131  
Post Modification Weighted Average Rate   10.87%  
Post Modification Weighted Average Term   61 months