Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Details)

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Shareholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended
Dec. 12, 2017
Nov. 30, 2016
Stockholders' Equity Note [Abstract]    
Cash dividends declared $ 0.12 $ 0.10
Dividends $ 1,400 $ 1,000
Dividend paid date Jan. 09, 2018 Jan. 06, 2017
Dividend record date Dec. 26, 2017 Dec. 21, 2016