Loans Receivable and Allowance for Loan Losses (Consumer Loan Credit Exposures, Performing or Nonperforming) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 344,463	$ 337,846
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	116,143	110,951
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	228,320	226,895
Performing Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	337,919	330,982
Performing Financing Receivable [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	111,172	105,964
Performing Financing Receivable [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	226,747	225,018
Nonperforming Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	6,544	6,864
Nonperforming Financing Receivable [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	4,971	4,987
Nonperforming Financing Receivable [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 1,573	$ 1,877