Commitments and Contingencies (Narratives) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Asset sales [Line Items]
Financing Receivable, Repurchase Reserve	$ 7,776,000	$ 8,374,000	$ 9,317,000	$ 9,851,000
Allowance for Loan and Leases Losses, Reserve Associated with Loans Sold with Recourse	7,800,000	8,400,000	9,300,000
Allowance for Loan and Lease Losses, Unfunded Lending Commitments	4,300,000		7,500,000
Residential Mortgages
Asset sales [Line Items]
Financing Receivable, Loans Sold to Third Party Investors	33,100,000	38,100,000	27,500,000
Financing Receivable, Repurchase Reserve	6,650,000	7,250,000	8,200,000	8,737,000
Manufactured Housing
Asset sales [Line Items]
Financing Receivable, Loans Sold to Third Party Investors	3,700,000		6,400,000
Financing Receivable, Repurchase Reserve	1,126,000	1,124,000	1,117,000	1,114,000
Allowance for Loan and Leases Losses, Reserve Associated with Loans Sold with Recourse	$ 1,100,000