Loans Receivable and Allowance for Loan Losses (Consumer Loan Credit Exposures, Performing or Nonperforming) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 309,119	$ 296,432
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	94,227	83,899
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	214,892	212,533
Performing Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	299,262	290,383
Performing Financing Receivable [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	86,911	80,696
Performing Financing Receivable [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	212,351	209,687
Nonperforming Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	9,857	6,049
Nonperforming Financing Receivable [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	7,316	3,203
Nonperforming Financing Receivable [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 2,541	$ 2,846