CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY Statement - USD ($) $ in Thousands	Total	Common stock [Member]	Treasury stock [Member]	Additional paid-in capital [Member]	Retained earnings (deficit) [Member]
Stockholders' equity, beginning of period at Dec. 31, 2012	$ 56,057	$ 378	$ (797)	$ 165,030	$ (108,554)
Stockholders' Equity [Abstract]
Shares vested for long-term incentive plan	0	14	24	(38)
Shares repurchased	(461)		(461)
Stock compensation expense	2,425			2,425
Tax benefits related to stock based compensation plans	2,553			2,553
Net (loss) income	21,655				21,655
Stockholders' equity, end of period at Dec. 31, 2013	82,229	$ 392	$ (1,234)	169,970	(86,899)
Common stock outstanding, beginning of period (in shares) at Dec. 31, 2012		37,768,000
Treasury shares, beginning of period (in shares) at Dec. 31, 2012			454,000
Stockholders Equity, Common Shares [Abstract]
Shares vested for long-term incentive plan (in shares)		(1,405,000)	(16,000)
Shares repurchased (shares)			46,000
Common stock outstanding, end of period (in shares) at Dec. 31, 2013		39,173,000
Treasury shares, end of period (in shares) at Dec. 31, 2013			484,000
Stockholders' Equity [Abstract]
Shares vested for long-term incentive plan	0	$ 3	$ 188	(191)
Shares repurchased	(1,607)		(1,607)
Stock compensation expense	3,410			3,410
Tax benefits related to stock based compensation plans	1,014			1,014
Net (loss) income	94,032				94,032
Stockholders' equity, end of period at Dec. 31, 2014	$ 179,078	$ 395	$ (2,653)	174,203	7,133
Stockholders Equity, Common Shares [Abstract]
Shares vested for long-term incentive plan (in shares)		(282,000)	(126,000)
Shares repurchased (shares)			124,000
Common stock outstanding, end of period (in shares) at Dec. 31, 2014	39,000	39,455,000
Treasury shares, end of period (in shares) at Dec. 31, 2014	482,000		482,000
Stockholders' Equity [Abstract]
Effect of reverse merger	$ 453,390	$ 262		453,128
Cancellation of Legacy BMC treasury stock in connection with the Merger	0	$ (4)	$ (3,487)	(3,483)
Stock Issued During Period, Shares, Conversion of Units		153,000
Shares vested for long-term incentive plan	0	$ 1	194	(195)
Shares repurchased	(1,454)		(1,454)
Stock compensation expense	2,749			2,749
Net (loss) income	(4,831)				(4,831)
Stockholders' equity, end of period at Dec. 31, 2015	$ 628,932	$ 654	$ (426)	$ 626,402	$ 2,302
Stockholders Equity, Common Shares [Abstract]
Effect of reverse merger (shares)		26,186,000
Cancellation of Legacy BMC treasury stock in connection with the Merger (shares)		(434,000)	(434,000)
Shares vested for long-term incentive plan (in shares)			126,000
Shares repurchased (shares)			103,000
Common stock outstanding, end of period (in shares) at Dec. 31, 2015	65,300,000.0	65,360,000
Treasury shares, end of period (in shares) at Dec. 31, 2015	25,000		25,000