Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |
9 Months Ended | |||
---|---|---|---|---|
Oct. 21, 2016 |
Aug. 01, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
|
Class Of Stock [Line Items] | ||||
Common stock, shares issued | 85,333,000 | 85,049,000 | ||
Dividends payable, date declared | Oct. 25, 2016 | |||
Dividends payable, date to be paid | Nov. 21, 2016 | |||
Dividends payable, date of record | Nov. 11, 2016 | |||
Subsequent Event [Member] | ||||
Class Of Stock [Line Items] | ||||
Common stock, dividends declared | $ 0.05 | |||
Subsequent Event [Member] | Series B [Member] | ||||
Class Of Stock [Line Items] | ||||
Preferred stock dividends declared | $ 0.453125 | |||
Forward Sales Agreement [Member] | ||||
Class Of Stock [Line Items] | ||||
Common stock, shares issued | 5,750,000 | |||
Public offering, estimated net proceeds | $ 44.2 |