Basis of Presentation (Stock Conversion) (Details) $ / shares in Units, $ in Millions		10 Months Ended
	Jul. 16, 2016 USD ($) $ / shares shares	Jul. 16, 2016 USD ($) $ / shares shares	Jul. 13, 2016 $ / shares shares
Class of Stock [Line Items]
Shares sold and held in employee stock ownership plan (in shares)	171,138	171,138	171,138
Proceeds from the issuance of stock during initial offering | $	$ 17.1
Offering costs incurred to date | $		$ 1.7
IPO
Class of Stock [Line Items]
Common stock sold in offering (in shares)	2,139,231
Price per share (in usd per share) | $ / shares	$ 8.00	$ 8.00	$ 8.00
Second-step conversion
Class of Stock [Line Items]
Exchange ratio applied to the Conversion	0.8115	0.8115
Common stock issued in the second-step conversion (in shares)	2,561,542