CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss), Net of Taxes	Non-controlling Interest in Subsidiaries
Balance at (in shares) at Dec. 31, 2016		123,988,160
Balance at at Dec. 31, 2016	$ 655,283	$ 1,240	$ 527,001	$ 126,167	$ (1,450)	$ 2,325
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(128,457)			(127,966)		(491)
Cumulative effect of new accounting standards			284	(284)
Issuance of common stock (in shares)		6,700,510
Issuance of common stock	15,325	$ 67	15,258
Equity-based compensation and other (in shares)		795,388
Equity-based compensation and other	4,522	$ 8	4,514
Other comprehensive income (loss), net of income taxes	201				201
Balance at (in shares) at Dec. 31, 2017		131,484,058
Balance at at Dec. 31, 2017	546,874	$ 1,315	547,057	(2,083)	(1,249)	1,834
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(70,596)			(70,772)		176
Cumulative effect of new accounting standards	82,043
Issuance of common stock (in shares)		1,875,000
Issuance of common stock	5,719	$ 19	5,700
Equity-based compensation and other (in shares)		553,367
Equity-based compensation and other	1,304	$ 5	1,299
Other comprehensive income (loss), net of income taxes	(3,008)				(3,008)
Cumulative effect of adoption of FASB ASU No. 2016-16	(5,621)			(5,621)
Capital distribution to non-controlling interest	(822)					(822)
Purchase of non-controlling interest	$ (1,188)					(1,188)
Balance at (in shares) at Dec. 31, 2018	133,912,425	133,912,425
Balance at at Dec. 31, 2018	$ 554,705	$ 1,339	554,056	3,567	(4,257)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(142,125)			(142,125)		0
Cumulative effect of new accounting standards	16			16
Equity-based compensation and other (in shares)		949,807
Equity-based compensation and other	2,752	$ 10	2,742
Other comprehensive income (loss), net of income taxes	$ (3,337)				(3,337)
Balance at (in shares) at Dec. 31, 2019	134,862,232	134,862,232
Balance at at Dec. 31, 2019	$ 412,011	$ 1,349	$ 556,798	$ (138,542)	$ (7,594)	$ 0