Loans Receivable, Net (Schedule of non-accrual loans by category) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount	$ 14,756,309		$ 18,404,118
Financing Receivable, Recorded Investment, Nonaccrual Status, Percentage (1)	3.70%	[1]	4.50%	[1]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount, Increase (Decrease)	(3,647,809)
Financing Receivable, Recorded Investment, Nonaccrual Status, Percent, Increase (Decrease)	(19.80%)
Residential Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount	3,442,273		3,757,801
Financing Receivable, Recorded Investment, Nonaccrual Status, Percentage (1)	0.90%	[1]	0.90%	[1]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount, Increase (Decrease)	(315,528)
Financing Receivable, Recorded Investment, Nonaccrual Status, Percent, Increase (Decrease)	(8.40%)
Commercial Business
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount	32,559		86,991
Financing Receivable, Recorded Investment, Nonaccrual Status, Percentage (1)	0.00%	[1]	0.00%	[1]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount, Increase (Decrease)	(54,432)
Financing Receivable, Recorded Investment, Nonaccrual Status, Percent, Increase (Decrease)	(62.60%)
Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount	10,717,862		13,913,190
Financing Receivable, Recorded Investment, Nonaccrual Status, Percentage (1)	2.70%	[1]	3.40%	[1]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount, Increase (Decrease)	(3,195,328)
Financing Receivable, Recorded Investment, Nonaccrual Status, Percent, Increase (Decrease)	(23.00%)
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount	563,615		646,136
Financing Receivable, Recorded Investment, Nonaccrual Status, Percentage (1)	0.10%	[1]	0.20%	[1]
Financing Receivable, Recorded Investment, Nonaccrual Status, Amount, Increase (Decrease)	$ (82,521)
Financing Receivable, Recorded Investment, Nonaccrual Status, Percent, Increase (Decrease)	(12.80%)

[1] PERCENT OF GROSS LOANS RECEIVABLE, NET OF DEFERRED FEES AND LOANS IN PROCESS AND LOANS HELD FOR SALE.