Capitalization - Conversion (Details) - Preferred Stock	Dec. 31, 2016 shares
Class B-1 Preferred Stock
Preferred Stock
Common stock shares for each preferred stock share (in shares)	1
Class B-2 Preferred Stock
Preferred Stock
Common stock shares for each preferred stock share (in shares)	1
Class C Preferred Stock
Preferred Stock
Common stock shares for each preferred stock share (in shares)	1
Class D Preferred Stock
Preferred Stock
Common stock shares for each preferred stock share (in shares)	1