STOCK OPTION ROLLFORWARD (Details 5) - Stock options [Member] - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Stock Option Awards, Outstanding (in shares):
Balance outstanding at beginning of period		54,500
Granted		0
Exercised		(16,000)
Forfeited		0
Expired		0
Balance outstanding at end of period		38,500	[1]	54,500
Options outstanding and expected to vest at December 31, 2019	[2]	38,500
Options exercisable at December 31, 2019	[3]	36,834
Weighted Average Exercise Price, Outstanding (in usd per share):
Balance outstanding at beginning of period		$ 37.28
Granted		0
Exercised		24.76
Forfeited		0
Expired		0
Balance outstanding at end of period		42.49		$ 37.28
Options outstanding and expected to vest at December 31, 2019		42.49
Options exercisable at December 31, 2019		$ 41.21
Balance at December 31, 2019, Weighted average remaining contractual term (years)		4 years
Options outstanding and expected to vest at December 31, 2019, Weighted Average Remaining Contractual Term (years)		4 years
Options exercisable at December 31, 2019, Weighted Average Remaining Contractual Term (years)		3 years 9 months 21 days
Balance at December 31, 2019, Aggregate Intrinsic Value	[4]	$ 1,584
Options outstanding and expected to vest at December 31, 2019, Aggregate Intrinsic Value	[4]	1,584
Options exercisable at December 31, 2019, Aggregate Intrinsic Value	[4]	$ 1,563
Stock Option Awards, Nonvested (in shares)
Balance nonvested at beginning of period		3,332
Granted		0
Vested		(1,666)
Forfeited		0
Expired		0
Balance nonvested at end of period		1,666		3,332
Weighted Average Grant Date Fair Value, Nonvested (in dollars per share):
Balance nonvested at beginning of period		$ 12.94
Granted		0		$ 13.46	$ 12.43
Vested		12.43
Forfeited		0
Expired		0
Balance nonvested at end of period		$ 13.46		$ 12.94
Unrecognized compensation cost		$ 0
Weighted average remaining recognition period (years)		0 years

[1] Inclusive of 22,500 stock options outstanding to Directors.

[2] Inclusive of 22,500 vested stock options and expected to vest to Directors.

[3] Inclusive of 20,834 vested stock options outstanding to Directors.

[4] The aggregate intrinsic value represents the total pre-tax intrinsic value, based on the average of the high price and low price at which the Company’s common stock traded on December 31, 2019 of $83.64, which would have been received by in-the-money option holders had they all exercised their options as of that date.