Stockholders' Equity (Narrative) (Details) - $ / shares	Dec. 31, 2016	Dec. 31, 2015	Dec. 01, 2015
Class of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Merger Share Exchange Ratio			0.5231
Shares Issued In Connection With Merger			39,200,000
Share Price Day Before Merger			$ 17.19
Legacy BMC [Member]
Class of Stock [Line Items]
Common stock, par value (in dollars per share)			$ 0.001