Loans Receivable and Related Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Unpaid Principal Balance	$ 2,665	$ 533
Recorded Investment	4,100	652
Related Allowance	1,400	164
Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	4,242	652
Recorded Investment	4,068	652
Related Allowance	1,448	164
Average Recorded Investment	2,075	1,387
Interest Income Recognized in Period	186	46
Cash Basis Interest Recognized in Period	16	28
Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	2,774	3,780
Recorded Investment	2,524	3,391
Average Recorded Investment	2,832	3,002
Interest Income Recognized in Period	17	246
Cash Basis Interest Recognized in Period	17	225
Residential First Mortgages [Member] | Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	0	0
Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized in Period	0	0
Cash Basis Interest Recognized in Period	0	0
Residential First Mortgages [Member] | Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	0	0
Recorded Investment	0	0
Average Recorded Investment	0	0
Interest Income Recognized in Period	0	0
Cash Basis Interest Recognized in Period	0	0
Home Equity [Member] | Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	0	0
Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized in Period	0	0
Cash Basis Interest Recognized in Period	0	0
Home Equity [Member] | Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	0	0
Recorded Investment	0	0
Average Recorded Investment	0	0
Interest Income Recognized in Period	0	0
Cash Basis Interest Recognized in Period	0	0
Commercial Real Estate [Member] | Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	4,242	524
Recorded Investment	4,068	524
Related Allowance	1,448	142
Average Recorded Investment	2,075	616
Interest Income Recognized in Period	186	39
Cash Basis Interest Recognized in Period	16	26
Commercial Real Estate [Member] | Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	730	1,518
Recorded Investment	505	1,154
Average Recorded Investment	690	862
Interest Income Recognized in Period	12	81
Cash Basis Interest Recognized in Period	12	81
Commercial Loan [Member] | Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	0	128
Recorded Investment	0	128
Related Allowance	0	22
Average Recorded Investment	0	771
Interest Income Recognized in Period	0	7
Cash Basis Interest Recognized in Period	0	2
Commercial Loan [Member] | Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	394	357
Recorded Investment	369	332
Average Recorded Investment	368	122
Interest Income Recognized in Period	5	27
Cash Basis Interest Recognized in Period	5	6
Consumer Loan [Member] | Loans Receivable With Specific Allowance [Member]
Unpaid Principal Balance	0	0
Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized in Period	0	0
Cash Basis Interest Recognized in Period	0	0
Consumer Loan [Member] | Loans Receivable With No Specific Allowance [Member]
Unpaid Principal Balance	1,650	1,905
Recorded Investment	1,650	1,905
Average Recorded Investment	1,774	2,018
Interest Income Recognized in Period	0	138
Cash Basis Interest Recognized in Period	$ 0	$ 138