Debt And Shareholders' Equity Schedule of Subordinated Notes (Tables)

3 Months Ended

Mar. 31, 2015

Long-term Debt, Unclassified [Abstract]

Schedule of Subordinated Borrowing [Table Text Block]

	Coupon rate	Carrying value
(Amounts in thousands)		March 31, 2015		Maturity
Convertible subordinated note	6.00%	$	73,397	September 15, 2015
Subordinated note	6.00%	32,706		September 15, 2015
Convertible subordinated note	5.50%	64,606		November 16, 2015
Subordinated note	5.50%	52,744		November 16, 2015
		$	223,453