Quarterly report pursuant to Section 13 or 15(d)

Fair Value Schedule of Financing Receivables, Non Accrual Status (Details)

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Fair Value Schedule of Financing Receivables, Non Accrual Status (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value $ 28,813 $ 30,414 $ 31,946 $ 40,146
Loan Held-for-Sale, Residential Mortgages, Unpaid Principal [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value 34,965 37,632    
Nonaccrual loans 10,921 13,511    
Loans 90 days past due 9,669 12,136    
Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value 28,813 30,414    
Nonaccrual loans 9,001 10,963    
Loans 90 days past due $ 7,926 $ 9,857