Notes Payable and Long-Term Debt (Schedule of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified			9 Months Ended		9 Months Ended			9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended			0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Promissory Note [Member] Unsecured Debt [Member]	Dec. 31, 2013 Promissory Note [Member] Unsecured Debt [Member]	Sep. 30, 2014 Trust Preferred Security Offering, 2005 [Member] Unsecured Debt [Member]	Dec. 31, 2013 Trust Preferred Security Offering, 2005 [Member] Unsecured Debt [Member]	Dec. 15, 2005 Trust Preferred Security Offering, 2005 [Member] Unsecured Debt [Member]	Sep. 30, 2014 Trust Preferred Security Offering, 2007 [Member] Unsecured Debt [Member]	Dec. 31, 2013 Trust Preferred Security Offering, 2007 [Member] Unsecured Debt [Member]	Sep. 30, 2014 Line of Credit [Member] Unsecured Debt [Member]	Dec. 31, 2013 Line of Credit [Member] Unsecured Debt [Member]	Sep. 30, 2014 Line of Credit [Member] Secured Debt [Member]	Dec. 31, 2013 Line of Credit [Member] Secured Debt [Member]	Sep. 30, 2014 Prime Rate [Member] Promissory Note [Member] Unsecured Debt [Member]	Sep. 30, 2014 Prime Rate [Member] Line of Credit [Member] Unsecured Debt [Member]	Sep. 30, 2014 Prime Rate [Member] Line of Credit [Member] Secured Debt [Member]	Dec. 15, 2005 Three-month LIBOR [Member] Trust Preferred Security Offering, 2005 [Member] Unsecured Debt [Member]	Dec. 15, 2005 Three-month LIBOR [Member] Trust Preferred Security Offering, 2007 [Member] Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term debt	$ 20,539	$ 20,889	$ 8,167	$ 8,167	$ 9,279	$ 9,279		$ 3,093	$ 3,093
Percentage bearing variable interest, percentage rate															5.00%	4.50%
Fixed interest rate							8.83%
Basis spread on variable rate														1.00%			3.75%	3.40%
Payment terms			Annual installment payments.		Interest payments due quarterly.			Interest payments due quarterly.		Interest payment		Interest payments due monthly.
Amount outstanding										$ 0	$ 0	$ 0	$ 350