EQUITY (Narrative) (Details) $ / shares in Units, $ in Millions							12 Months Ended
	Mar. 11, 2020 shares	Jan. 02, 2020 shares	Nov. 06, 2019 shares	Jun. 26, 2018 USD ($) $ / shares shares	Mar. 09, 2018 USD ($) $ / shares shares	May 05, 2015 shares	Dec. 31, 2019 shareholder director $ / shares shares	Sep. 12, 2019 $ / shares shares	Jan. 01, 2019 $ / shares shares	Jan. 03, 2018
Class of Stock [Line Items]
Preferred shares, shares authorized							5,000,000		5,000,000
Preferred shares, no par value | $ / shares									$ 0
Maximum percentage of Company stock ownership allowed							9.90%			4.90%
Aggregate Cost of Shares Sold | $				$ 4.3	$ 4.1
Stock Issued During Period, Shares, New Issues				125,000	125,000
Common shares issued (per share) | $ / shares				$ 34.00	$ 33.00
Number of rights issued per common stock						1
Tax benefit agreement term						5 years
Number of shareholders held more than 4.9% | shareholder							2
Number of executives held more than 4.9% | director							1
Executive Officer [Member]
Class of Stock [Line Items]
Maximum percentage of Company stock ownership allowed							4.90%
Additional authorization of share purchase by exempt person			6,000
Stock purchased by exempt person during period			2,500
Subsequent Event [Member] | Executive Officer [Member]
Class of Stock [Line Items]
Additional authorization of share purchase by exempt person	7,500
2019 Plan
Class of Stock [Line Items]
Number of shares authorized to be repurchased								100,000
Share price (per share) | $ / shares								$ 36.46
Repurchase of common shares							87,381
Average cost common stock repurchased (per share) | $ / shares							$ 31.71
2019 Plan | Subsequent Event [Member]
Class of Stock [Line Items]
Repurchase of common shares		1,300