Preferred and Common Stock (Details) - USD ($)
|
2 Months Ended |
4 Months Ended |
6 Months Ended |
|
Feb. 29, 2016 |
Apr. 19, 2017 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
| Preferred stock shares outstanding |
|
|
46,302
|
|
49,504
|
| Common stock shares outstanding |
|
|
119,497,222
|
|
117,131,407
|
| Undeclared preferred dividends |
|
|
$ 15,279,000
|
|
|
| Acquisition of treasury stock, value |
|
|
|
$ 819,000
|
|
| Shared tendered, nominal value |
|
|
0
|
|
$ 0
|
| Payments for tender offer expenses |
|
|
482,000
|
$ 0
|
|
| Value of common stock |
|
|
$ 12,000
|
|
$ 12,000
|
| Restricted common stock |
|
|
|
|
|
| Forfeited shares of common stock |
|
|
0
|
2,850
|
|
| Restricted stock units |
|
|
|
|
|
| Vested stock units |
|
|
0
|
21,301
|
|
| Series G and Series H |
|
|
|
|
|
| Shared tendered, nominal value |
|
$ 1,914,000
|
|
|
|
| American Depositary Shares - The Series G |
|
|
|
|
|
| Preferred stock shares outstanding |
|
|
14,191
|
|
14,551
|
| Sale of Stock- Redemption price per share |
|
|
$ 25
|
|
|
| Depositary Shares |
|
|
2,000,000
|
|
|
| Dividend rate of preferred stock |
|
|
8.75%
|
|
|
| Preferred stock liquidation preference |
|
|
$ 2,500
|
|
|
| Shares validly tendered |
|
360
|
|
|
|
| American Depositary Shares - The Series H |
|
|
|
|
|
| Preferred stock shares outstanding |
|
|
28,612
|
|
29,018
|
| Sale of Stock- Redemption price per share |
|
|
$ 25
|
|
|
| Depositary Shares |
|
|
4,800,000
|
|
|
| Dividend rate of preferred stock |
|
|
8.625%
|
|
|
| Preferred stock liquidation preference |
|
|
$ 2,500
|
|
|
| Shares validly tendered |
|
406
|
|
|
|
| Convertible preferred stock |
|
|
|
|
|
| Conversion of Stock, Shares converted |
|
|
2,436
|
|
|
| Preferred stock shares outstanding |
|
|
3,499
|
|
5,935
|
| Sale of Stock- Redemption price per share |
|
|
$ 14
|
|
|
| Preferred stock liquidation preference |
|
|
$ 10,000
|
|
|
| Common Stock |
|
|
|
|
|
| Converted Shares of Common Stock |
|
|
1,740,000
|
|
|
| Acquisition of treasury stock, shares |
|
|
|
948,584
|
|
| Common stock issued |
|
625,815
|
625,815
|
|
|
| Preferred Stock |
|
|
|
|
|
| Conversion of Stock, Shares converted |
|
|
(2,436)
|
|
|
| Shares validly tendered |
|
|
(766)
|
|
|
| Undeclared preferred dividends |
|
|
$ 15,279,000
|
|
|
| Share Repurchase Program | Common Stock |
|
|
|
|
|
| Share repurchase program, Authorized amount |
|
|
$ 25,000,000
|
|
|
| Acquisition of treasury stock, shares |
1,147,908
|
|
|
|
|
| Acquisition of treasury stock, value |
$ 1,071,000
|
|
|
|
|