Preferred and Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands |
2 Months Ended |
4 Months Ended |
6 Months Ended |
10 Months Ended |
11 Months Ended |
12 Months Ended |
|
Feb. 29, 2016 |
Apr. 19, 2017 |
Jul. 15, 2017 |
Nov. 08, 2016 |
Dec. 10, 2018 |
Dec. 11, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Nov. 30, 2015 |
| Preferred stock shares outstanding |
|
|
|
|
|
|
46,302
|
46,302
|
|
|
| Acquisition of treasury stock, value |
|
|
|
|
|
|
|
|
$ 818
|
|
| Payments for tender offer expenses |
|
|
|
|
|
|
$ 0
|
$ 571
|
$ 9,323
|
|
| Shares tendered, nominal value |
|
|
|
|
|
|
$ 0
|
0
|
|
|
| Dividend rate of preferred stock |
|
|
|
|
|
|
2.00%
|
|
|
|
| Dividends undeclared |
|
|
|
|
|
|
|
|
|
|
| Dividends cancelled |
|
|
|
|
|
|
|
$ 702
|
|
|
| Restricted common stock |
|
|
|
|
|
|
|
|
|
|
| Forfeited shares of common stock |
|
|
|
|
|
|
656
|
423
|
291
|
|
| Restricted stock units |
|
|
|
|
|
|
|
|
|
|
| Vested stock units |
|
|
|
|
|
|
|
84,333
|
2,497
|
|
| Restricted stock units | Issued in 2016 |
|
|
|
|
|
|
|
|
|
|
| Vested stock units |
|
|
|
|
|
|
85,000
|
|
|
|
| Restricted stock units | Issued in 2017 |
|
|
|
|
|
|
|
|
|
|
| Vested stock units |
|
|
|
|
|
|
825
|
|
|
|
| Series G | ADS Exchange Offer |
|
|
|
|
|
|
|
|
|
|
| Number of shares issued for the exchange offer |
|
360
|
|
5,449
|
|
|
|
|
|
|
| Series H | ADS Exchange Offer |
|
|
|
|
|
|
|
|
|
|
| Number of shares issued for the exchange offer |
|
406
|
|
18,982
|
|
|
|
|
|
|
| Series G and Series H |
|
|
|
|
|
|
|
|
|
|
| Percentage of the increase of the preferred dividend rate |
|
|
0.25%
|
|
|
|
|
|
|
|
| Series G and Series H | ADS Exchange Offer |
|
|
|
|
|
|
|
|
|
|
| Tender offer, stocks |
|
|
|
758,918
|
|
|
|
|
|
|
| Shares exchanged aggregate book value |
|
|
|
$ 61,078
|
|
|
|
|
|
|
| Payments for tender offer expenses |
|
$ 571
|
|
9,323
|
|
|
|
|
|
|
| Shares tendered, nominal value |
|
1,843
|
|
|
|
|
|
|
|
|
| Fair value of stock issued |
|
|
|
$ 7,893
|
|
|
|
|
|
|
| Series G and Series H | Dividends undeclared | ADS Exchange Offer |
|
|
|
|
|
|
|
|
|
|
| Dividends cancelled |
|
$ 270
|
|
|
|
|
|
|
|
|
| American Depositary Shares - The Series G |
|
|
|
|
|
|
|
|
|
|
| Preferred stock shares outstanding |
|
|
|
|
|
|
14,191
|
14,191
|
|
|
| Number of shares |
|
|
|
|
|
|
2,000,000
|
|
|
|
| Preferred Stock, Liquidation Preference Per Share |
|
|
|
|
|
|
$ 2,500
|
|
|
|
| Sale of Stock- Redemption price per share |
|
|
|
|
|
|
$ 25
|
|
|
|
| Dividend rate of preferred stock |
|
|
|
|
|
|
8.75%
|
|
|
|
| American Depositary Shares - The Series H |
|
|
|
|
|
|
|
|
|
|
| Preferred stock shares outstanding |
|
|
|
|
|
|
28,612
|
28,612
|
|
|
| Number of shares |
|
|
|
|
|
|
4,800,000
|
|
|
|
| Preferred Stock, Liquidation Preference Per Share |
|
|
|
|
|
|
$ 2,500
|
|
|
|
| Sale of Stock- Redemption price per share |
|
|
|
|
|
|
$ 25
|
|
|
|
| Dividend rate of preferred stock |
|
|
|
|
|
|
8.625%
|
|
|
|
| Convertible preferred stock |
|
|
|
|
|
|
|
|
|
|
| Conversion of Stock, Shares converted |
|
|
|
|
|
|
|
2,436
|
|
|
| Preferred stock shares outstanding |
|
|
|
|
|
|
3,499
|
3,499
|
|
|
| Preferred stock liquidation preference |
|
|
|
|
|
|
|
$ 10,000
|
|
|
| Sale of Stock- Redemption price per share |
|
|
|
|
|
|
|
$ 14
|
|
|
| Common Stock |
|
|
|
|
|
|
|
|
|
|
| Number of common stock issued to employees |
|
|
|
|
287,500
|
432,098
|
|
|
|
|
| Converted Shares of Common Stock |
|
|
|
|
|
|
|
179,015
|
|
|
| Acquisition of treasury stock, shares |
|
|
|
|
|
|
|
|
94,858
|
|
| Tender offer, stocks |
|
|
|
|
|
|
|
62,581
|
758,918
|
|
| Common Stock | ADS Exchange Offer |
|
|
|
|
|
|
|
|
|
|
| Tender offer, stocks |
|
62,582
|
|
|
|
|
|
|
|
|
| Fair value of stock issued |
|
$ 1,127
|
|
|
|
|
|
|
|
|
| Common Stock | First conversion |
|
|
|
|
|
|
|
|
|
|
| Converted Shares of Common Stock |
|
|
|
|
|
|
|
174,000
|
|
|
| Common Stock | Second conversion |
|
|
|
|
|
|
|
|
|
|
| Converted Shares of Common Stock |
|
|
|
|
|
|
|
5,015
|
|
|
| Fair value of stock issued |
|
|
|
|
|
|
|
$ 84
|
|
|
| Preferred Stock |
|
|
|
|
|
|
|
|
|
|
| Conversion of Stock, Shares converted |
|
|
|
|
|
|
|
(2,436)
|
|
|
| Number of shares issued for the exchange offer |
|
|
|
|
|
|
|
766
|
24,431
|
|
| Preferred Stock | Dividends undeclared |
|
|
|
|
|
|
|
|
|
|
| Undeclared preferred dividends |
|
|
|
|
|
|
$ 29,934
|
|
|
|
| Dividends cancelled |
|
|
|
|
|
|
$ 972
|
|
|
|
| Share Repurchase Program | Common Stock |
|
|
|
|
|
|
|
|
|
|
| Share repurchase program, Authorized amount |
|
|
|
|
|
|
|
|
|
$ 25,000
|
| Acquisition of treasury stock, shares |
114,791
|
|
|
|
|
|
|
|
94,858
|
|
| Acquisition of treasury stock, value |
$ 1,070
|
|
|
|
|
|
|
|
$ 818
|
|