Notes Payable (Trust Preferred Securities) (Narrative) (Details) (USD $)	12 Months Ended					0 Months Ended					1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2009	Feb. 05, 2007	Oct. 28, 2013 Trust Preferred Securities [Member]	May 01, 2012 Trust Preferred Securities [Member]	Apr. 30, 2009 Trust Preferred Securities [Member]	Dec. 31, 2008 Trust Preferred Securities [Member]	Feb. 05, 2007 Trust Preferred Securities [Member]	Dec. 31, 2011 Trust Preferred Securities [Member]	Dec. 31, 2013 Trust Preferred Securities [Member]	Dec. 31, 2009 Trust Preferred Securities [Member]	Dec. 31, 2008 Trust Preferred Securities [Member]	Mar. 31, 2009 Trust Preferred Securities [Member]
Debt Instrument [Line Items]
Trust preferred securities												$ 51,500,000			$ 22,900,000
Debt instrument term										20 years
Trust preferred securities issued					51,500,000
Trust preferred securities issued to third party					50,000,000
Trust preferred securities issued to parent					1,500,000
Initial interest rate										9.22%
Period of initial interest rate							5 years
LIBOR period												3 months
Spread over LIBOR												4.00%
Interest rate swap	3,288,000	5,855,000				27,900,000
Fixed interest rate												5.20%
Swap contract rate						1.20%						1.20%
Fixed interest rate margin						4.00%						4.00%
Maturity date												Apr. 30, 2027
Principal payment												0
Initial period of payoff restriction												5 years
Percentage of principal that may be paid without penalty after initial restriction period												100.00%
Period of waiver on all financial covenants														9 years
Financial covenant waiver payment due									1,600,000			270,000		1,600,000
Financial covenant waiver payment									1,100,000		270,000
Investment in common trust securities	838,000	838,000			1,500,000
Trust preferred dividends paid	1,200,000	1,900,000	2,500,000
Preferred stock dividends payable	191,000	198,000
Frequency of interest payment												3 months
Extinguishment of debt								22,900,000
Marketable securities				11,500,000
Amortization of debt discount													106,000
Gain on retirement of subordinated debt								10,700,000
Write-off of deferred loan costs								$ 749,000