Loans Receivable (Financing Receivables) and Allowance for Loan Losses (Details 2) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Transferred Loans, Loan Balance
Beginning balance	$ 18,335,000	$ 12,117,000	$ 17,501,000	$ 14,008,000
Loans transferred	6,447,000	226,000	7,281,000	342,000
Charge-offs		(213,000)		(285,000)
Payments/accretion	(5,525,000)	(1,257,000)	(5,525,000)	(3,192,000)
Ending balance	19,257,000	10,873,000	19,257,000	10,873,000
Accretable Yield
Beginning balance	208,000	47,000	220,000	266,000
Charge-offs		(6,000)		(14,000)
Payments/accretion	(64,000)	(5,000)	(76,000)	(216,000)
Ending balance	144,000	36,000	144,000	36,000
Total
Beginning balance	18,127,000	12,070,000	17,281,000	13,742,000
Loans transferred	6,447,000	226,000	7,281,000	342,000
Charge-offs		(207,000)		(271,000)
Payments/accretion	(5,461,000)	(1,252,000)	(5,449,000)	(2,976,000)
Ending balance	19,113,000	10,837,000	19,113,000	10,837,000
Carrying value of loans pledged as collateral for FHLB advances	$ 96,300,000		$ 96,300,000