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Stockholders' Equity - Narrative (Details) - Common Stock - shares
Apr. 03, 2017
Mar. 18, 2016
Feb. 03, 2015
AmCo Holding Company      
Class of Stock [Line Items]      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 20,956,355    
Family Security Holdings (FSH)      
Class of Stock [Line Items]      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares     503,857
Weighted Average Number of Shares, Contingently Issuable   32,943