Short-Term Borrowings and Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Outstanding Short Term Borrowings and Long Term Debt

The following table represents outstanding short-term borrowings and long-term debt at September 30, 2015 and December 31, 2014:

				Carrying Value
(Dollars in thousands)	Maturity	Principal value at September 30, 2015		September 30, 2015		December 31, 2014
Short-term borrowings:
Other short-term borrowings	(1)			$	3,756	$	7,781
Total short-term borrowings				$	3,756	$	7,781
Long-term debt:
3.50% Senior Notes	January 29, 2025	$	350,000	$	346,591	$	—
5.375% Senior Notes	September 15, 2020	350,000		346,878		346,477
6.05% Subordinated Notes (2)	June 1, 2017	45,964		49,028		50,040
7.0% Junior Subordinated Debentures	October 15, 2033	50,000		54,714		54,845
Total long-term debt				$	797,211	$	451,362

(1) Represents cash collateral received from certain counterparties in relation to market value exposures of derivative contracts in our favor.

(2) At September 30, 2015 and December 31, 2014, included in the carrying value of our 6.05% Subordinated Notes was an interest rate swap valued at $3.5 million and $4.6 million, respectively, related to hedge accounting associated with the notes