Business Combinations (Details) (USD $)				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Purchase price [Member]	Dec. 31, 2013 Issuance of Debt [Member]
Business Acquisition [Line Items]
Investments in businesses	$ 110,000	$ 6,368,000	$ 1,527,000
Investments in businesses, liabilities assumed	0	1,868,000	65,000
Investments in businesses, debt issued	30,000	100,000	500,000
Excess of purchase price over the estimated fair value	0	1,820,000	426,000
Excess of purchase price over the estimated fair value, tax deductible amount		258,000	426,000
Subsequent Event, Amount				$ 2,650,000	$ 425,000