Trust Preferred Securities and Notes Payable (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Trust Preferred Securities / Preferred Capital Offering [Abstract]
Debt Instrument, Description of Variable Rate Basis	Interest rate equal to the 90-day LIBOR index rate (0.2331% as of September 18, 2014) plus 2.85
Junior subordinated debentures	$ 11.2
Interest expense, junior subordinated debentures	0.43
Repayments of subordinated debentures	$ 7.0