Stockholders' Equity (Narrative) (Details) - $ / shares	Dec. 31, 2015	Dec. 01, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Merger Share Exchange Ratio	0.5231
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01
Common stock, shares authorized (in shares)	300,000,000		104,600,000.0
Common stock, shares issued (in shares)	65,360,000		39,455,000
Common stock, shares outstanding (in shares)	65,300,000.0		39,000
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