Consolidated balance sheets (Parenthetical) - $ / shares
|
Mar. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Preferred stock, shares authorized |
5,000,000
|
|
|
| Preferred stock, shares issued |
0
|
|
|
| Preferred stock, shares outstanding |
0
|
|
|
| Common Class A |
|
|
|
| Common stock, par value (in dollars per share) |
$ 0.01
|
|
|
| Common stock, shares authorized |
180,000,000
|
|
|
| Common stock, shares issued |
37,110,630
|
|
|
| Common stock, shares outstanding |
37,110,630
|
|
|
| Common Class B |
|
|
|
| Common stock, par value (in dollars per share) |
$ 0.01
|
|
|
| Common stock, shares authorized |
20,000,000
|
|
|
| Common stock, shares issued |
7,871,512
|
|
|
| Common stock, shares outstanding |
7,871,512
|
|
|
| Predecessor |
|
|
|
| Preferred stock, shares authorized |
|
600,000
|
600,000
|
| Preferred stock, shares issued |
|
0
|
0
|
| Preferred stock, shares outstanding |
|
0
|
0
|
| Common stock, shares outstanding |
|
1,392,706
|
1,404,309
|
| Predecessor | Common Class A |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
10,000,000
|
10,000,000
|
| Common stock, shares issued |
|
333,686
|
345,289
|
| Common stock, shares outstanding |
|
333,686
|
345,289
|
| Predecessor | Common Class B |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
10,000,000
|
10,000,000
|
| Common stock, shares issued |
|
344,859
|
344,859
|
| Common stock, shares outstanding |
|
344,859
|
344,859
|
| Predecessor | Common Class C |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
10,000,000
|
10,000,000
|
| Common stock, shares issued |
|
209,882
|
209,882
|
| Common stock, shares outstanding |
|
209,882
|
209,882
|
| Predecessor | Common Class E |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
10,000,000
|
10,000,000
|
| Common stock, shares issued |
|
504,276
|
504,276
|
| Common stock, shares outstanding |
|
504,276
|
504,276
|
| Predecessor | Common Class F |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
1
|
1
|
| Common stock, shares issued |
|
1
|
1
|
| Common stock, shares outstanding |
|
1
|
1
|
| Predecessor | Common Class G |
|
|
|
| Common stock, par value (in dollars per share) |
|
$ 0.01
|
$ 0.01
|
| Common stock, shares authorized |
|
3
|
3
|
| Common stock, shares issued |
|
2
|
2
|
| Common stock, shares outstanding |
|
2
|
2
|