Derivative and Other Fair Value Instruments (Details 4) (USD $) In Thousands, unless otherwise specified	0 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 04, 2013	Nov. 08, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Available for Sale
Other assets, amortized cost			$ 412		$ 412		$ 675
Other assets, Unrealized Gains					1,263		1,539
Other assets, Unrealized Losses					0		0
Other assets, Book/Fair value			1,675		1,675		2,214
Interest and Other income					830		0
Proceeds from Sale of Available-for-sale Securities	300	(1,700)			828	0
(Gain) Loss on Sale of Securities, Net		(1,300)	(830)	0	(830)	0
Other Available-for-Sale Securities [Member]
Available for Sale
Other assets, amortized cost			412		412		675
Other assets, Unrealized Gains					1,263		1,539
Other assets, Unrealized Losses					0		0
Other assets, Book/Fair value			1,675		1,675		2,214
Interest and Other income					$ 830		$ 0