Federal Income Taxes (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Ordinary income (unaudited)	38.50%	34.10%	24.40%
Return of capital (unaudited)	61.30%	65.20%	66.10%
Capital gain distributions (unaudited)	0.20%	0.70%	6.50%
Unrecaptured section 1250 gain (unaudited)	0.00%	0.00%	3.00%
Total	100.00%	100.00%	100.00%