Equity and Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		2 Months Ended
	Jan. 31, 2016	Mar. 31, 2015	Feb. 25, 2016	Dec. 31, 2015
Dividends Payable [Line Items]
Preferred shares issued				0
Stock repurchased during period, shares		1,900,000
Stock repurchased during period, per share		$ 24.98
Subsequent Event [Member]
Dividends Payable [Line Items]
Dividends declared (usd per share)	$ 0.16
Dividends, common stock	$ 17,154
Payment date			Mar. 04, 2016
Record date			Feb. 12, 2016