Stock Compensation - Schedule of Restricted, Phantom, and Board of Director Awards (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Restricted Stock Units
Number of Awards
Non-vested, beginning balance (in shares)	668,696	444,807
Granted (in shares)	853,650	554,699
Vested (in shares)	(267,249)	(152,538)
Forfeited or expired (in shares)	(239,275)	(178,272)
Non-vested, ending balance (in shares)	1,015,822	668,696
Weighted-Average Grant Date Fair  Value
Non-vested, beginning balance (in dollars per share)	$ 6.76	$ 5.35
Granted (in dollars per share)	3.13	7.06
Vested (in dollars per share)	5.48	5.30
Forfeited or expired (in dollars per share)	4.47	5.43
Non-vested, ending balance (in dollars per share)	$ 4.26	$ 6.76
Phantom stock options
Number of Awards
Non-vested, beginning balance (in shares)	112,183	78,800
Granted (in shares)	136,450	65,450
Vested (in shares)	(43,219)	(17,519)
Forfeited or expired (in shares)	(22,532)	(14,548)
Non-vested, ending balance (in shares)	182,882	112,183
Weighted-Average Grant Date Fair  Value
Non-vested, beginning balance (in dollars per share)	$ 6.71	$ 5.91
Granted (in dollars per share)	3.09	7.35
Vested (in dollars per share)	5.41	4.70
Forfeited or expired (in dollars per share)	4.51	7.68
Non-vested, ending balance (in dollars per share)	$ 4.30	$ 6.71
Director | Restricted stock
Number of Awards
Non-vested, beginning balance (in shares)	64,369	7,262
Granted (in shares)	233,362	85,890
Vested (in shares)	(90,308)	(28,783)
Forfeited or expired (in shares)	0	0
Non-vested, ending balance (in shares)	207,423	64,369
Weighted-Average Grant Date Fair  Value
Non-vested, beginning balance (in dollars per share)	$ 7.21	$ 5.48
Granted (in dollars per share)	2.29	6.75
Vested (in dollars per share)	5.80	5.40
Forfeited or expired (in dollars per share)	0	0
Non-vested, ending balance (in dollars per share)	$ 2.29	$ 7.21