Loans (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Receivables [Abstract]
Loans Receivable Net Deferred Cost Originated	$ 2,800	$ 2,647
Loans Receivable Net Deferred Premium on Purchased Loans	641	84
Loans Pledged as Collateral	1,500,000	1,300,000
Mortgage Loans in Process of Foreclosure	5,000	2,600
Past due loans included in nonaccrual loans	$ 18,800	$ 13,600