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Common Stock (Tables)
12 Months Ended
Dec. 31, 2018
Common Stock [Abstract]  
Summary Of Common Stock Shares Issued And Outstanding Table
The following table summarizes the changes in the number of shares of NW Holdings' common stock issued and outstanding:
In thousands
Shares
Balance, December 31, 2015
27,427

   Sales to employees under ESPP
18

Stock-based compensation
173

   Equity Issuance
1,012

Balance, December 31, 2016
28,630

   Sales to employees under ESPP
18

Stock-based compensation
88

Balance, December 31, 2017
28,736

   Sales to employees under ESPP
19

Stock-based compensation
64

   Sales to shareholders under DRPP
61

Balance, December 31, 2018
28,880