CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in-Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Balances - beginning at Dec. 31, 2015	$ 443,903	$ 0	$ 5	$ (2,397)	$ 472,494	$ (20,640)	$ (5,559)
Balances - beginning (in shares) at Dec. 31, 2015		1	49,940,548
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	1,071				1,071
Issuance of stock, net of forfeitures (in shares)			621,628
Repurchase of stock for treasury	(1,488)			(1,488)	0
Comprehensive loss	(25,681)					(25,137)	(544)
Balances - ending at Mar. 31, 2016	417,805	$ 0	$ 5	(3,885)	473,565	(45,777)	(6,103)
Balances- ending (in shares) at Mar. 31, 2016		1	50,562,176
Balances - beginning at Dec. 31, 2016	335,145	$ 0	$ 5	(3,885)	475,598	(132,200)	(4,373)
Balances - beginning (in shares) at Dec. 31, 2016		1	50,698,587
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	216				216
Transfer of director compensation from liability to equity					40
Issuance of stock, net of forfeitures (in shares)			243,620
Comprehensive loss	(13,899)					(12,029)	(1,870)
Balances - ending at Mar. 31, 2017	$ 321,502	$ 0	$ 5	$ (3,885)	$ 475,854	$ (144,229)	$ (6,243)
Balances- ending (in shares) at Mar. 31, 2017		1	50,942,207