Loans Receivable, Classes of Loan Portfolio by Aging Categories of Performing and Nonaccrual Loans (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans Receivable [Abstract]
Interest income that would have been recorded	$ 3,148,000	$ 2,905,000	$ 4,905,000
Interest income recognized	1,184,000	822,000	2,599,000
Interest income not recognized	1,964,000	2,083,000	2,306,000
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	632,216,000	687,962,000
30 to 59 Days Past Due	14,120,000	15,072,000
60 to 89 Days Past Due	3,050,000	5,274,000
Total Past Due	17,170,000	20,346,000
Non-Accrual	37,495,000	31,432,000
Total loans	686,881,000	739,740,000
Mortgage loans	95,474,000	84,745,000
Residential Mortgage [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	245,193,000	272,543,000
30 to 59 Days Past Due	8,202,000	9,696,000
60 to 89 Days Past Due	1,574,000	4,725,000
Total Past Due	9,776,000	14,421,000
Non-Accrual	14,436,000	8,912,000
Total loans	269,405,000	295,876,000
Acquisition and Development [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	62,091,000	87,756,000
30 to 59 Days Past Due	868,000	369,000
60 to 89 Days Past Due	0	0
Total Past Due	868,000	369,000
Non-Accrual	8,564,000	10,997,000
Total loans	71,523,000	99,122,000
Land [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	45,961,000	51,094,000
30 to 59 Days Past Due	251,000	1,517,000
60 to 89 Days Past Due	0	225,000
Total Past Due	251,000	1,742,000
Non-Accrual	4,688,000	6,813,000
Total loans	50,900,000	59,649,000
Lines of Credit [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	27,635,000	32,221,000
30 to 59 Days Past Due	440,000	0
60 to 89 Days Past Due	1,476,000	38,000
Total Past Due	1,916,000	38,000
Non-Accrual	1,877,000	2,019,000
Total loans	31,428,000	34,278,000
Commercial Real Estate [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	212,468,000	198,049,000
30 to 59 Days Past Due	3,777,000	2,535,000
60 to 89 Days Past Due	0	286,000
Total Past Due	3,777,000	2,821,000
Non-Accrual	5,793,000	2,140,000
Total loans	222,038,000	203,010,000
Commercial Non-Real Estate [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	5,746,000	5,584,000
30 to 59 Days Past Due	263,000	10,000
60 to 89 Days Past Due	0	0
Total Past Due	263,000	10,000
Non-Accrual	111,000	5,000
Total loans	6,120,000	5,599,000
Home Equity [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	32,301,000	40,021,000
30 to 59 Days Past Due	308,000	945,000
60 to 89 Days Past Due	0	0
Total Past Due	308,000	945,000
Non-Accrual	2,000,000	343,000
Total loans	34,609,000	41,309,000
Consumer [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans [Abstract]
Current	821,000	694,000
30 to 59 Days Past Due	11,000	0
60 to 89 Days Past Due	0	0
Total Past Due	11,000	0
Non-Accrual	26,000	203,000
Total loans	$ 858,000	$ 897,000