Mortgage Servicing Rights (Schedule of MSR Portfolio) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Servicing Assets at Fair Value [Line Items]
Fair Value	$ 33,378,978
Residential Mortgage [Member]
Servicing Assets at Fair Value [Line Items]
Unpaid Principal Balance	3,078,974,342
Fair Value	33,378,978
Residential Mortgage [Member] | Fannie Mae [Member]
Servicing Assets at Fair Value [Line Items]
Unpaid Principal Balance	1,640,799,719
Fair Value	17,078,181
Residential Mortgage [Member] | Ginnie Mae [Member]
Servicing Assets at Fair Value [Line Items]
Unpaid Principal Balance	1,146,234,768
Fair Value	13,102,076
Residential Mortgage [Member] | Freddie Mac [Member]
Servicing Assets at Fair Value [Line Items]
Unpaid Principal Balance	291,939,855
Fair Value	$ 3,198,721