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Stockholders' Equity (Details) - USD ($)
 11 Months Ended
Dec. 31, 2017
Mar. 31, 2018
Feb. 12, 2017
Aug. 20, 2014
Stockholders' Equity Note [Abstract]        
Authorized repurchase amount     $ 500,000,000  
Total shares acquired (in shares) 3,627,390      
Total shares acquired $ 221,428,000      
Average cost of shares acquired (in dollars per share) $ 61.01      
Common stock, par value (in dollars per share) $ 0.01 $ 0.01   $ 0.01
Maximum price of common stock available to be issued       $ 500,000,000