STOCK-BASED COMPENSATION, Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Information Related to Stock Option Plans [Abstract]
Cash received for option exercise cost		$ 954	$ 792	$ 3,498
Stock Options [Member]
Stock Option Activity [Abstract]
Expiration period		10 years
Compensation expense recognized		$ 0	$ 0	$ 0
Number of Options [Roll Forward]
Options outstanding, beginning of period (in shares)		157,546	209,254
Options granted (in shares)		0	0	0
Options exercised (in shares)		(66,372)	(51,708)
Options that expired prior to exercise (in shares)		(18,779)	0
Options outstanding, end of period (in shares)		72,395	157,546	209,254
Options vested and exercisable, end of period (in shares)		72,395
Weighted-Average Exercise Price [Abstract]
Options outstanding, beginning of period (in dollars per share)		$ 15.53	$ 15.48
Options granted (in dollars per share)		0	0
Options exercised (in dollars per share)		17.10	15.35
Options that expired prior to exercise (in dollars per share)		17.50	0
Options outstanding, end of period (in dollars per share)		13.58	$ 15.53	$ 15.48
Options vested and exercisable, end of period (in dollars per share)		$ 13.58
Stock Options, Additional Disclosure [Abstract]
Options outstanding		2 years	1 year 8 months 12 days
Options vested and exercisable		2 years
Aggregate Intrinsic Value [Abstract]
Options outstanding		$ 246	$ 1,027
Options vested and exercisable		246
Information Related to Stock Option Plans [Abstract]
Cash received for option exercise cost		954	792	$ 3,498
Income tax benefit recognized	[1]	44	52	93
Intrinsic value of options exercised		$ 167	$ 314	$ 826
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Outstanding options, amount (in shares)		72,395
Outstanding options, weighted average remaining contractual years remaining		2 years
Vested options, amount (in shares)		72,395
Vested options, weighted average contractual years remaining		2 years
Stock Options [Member] | Exercise Price $8.34 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Outstanding options, exercise prices (in dollars per share)		$ 8.34
Outstanding options, amount (in shares)		8,869
Outstanding options, weighted average remaining contractual years remaining		3 months 18 days
Vested options, amount (in shares)		8,869
Vested options, weighted average contractual years remaining		3 months 18 days
Stock Options [Member] | Exercise Price $12.75 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Outstanding options, exercise prices (in dollars per share)		$ 12.75
Outstanding options, amount (in shares)		19,827
Outstanding options, weighted average remaining contractual years remaining		1 year 3 months 18 days
Vested options, amount (in shares)		19,827
Vested options, weighted average contractual years remaining		1 year 3 months 18 days
Stock Options [Member] | Exercise Price $13.86 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Outstanding options, exercise prices (in dollars per share)		$ 13.86
Outstanding options, amount (in shares)		12,220
Outstanding options, weighted average remaining contractual years remaining		3 years 3 months 18 days
Vested options, amount (in shares)		12,220
Vested options, weighted average contractual years remaining		3 years 3 months 18 days
Stock Options [Member] | Exercise Price $15.46 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Outstanding options, exercise prices (in dollars per share)		$ 15.46
Outstanding options, amount (in shares)		31,479
Outstanding options, weighted average remaining contractual years remaining		2 years 3 months 18 days
Vested options, amount (in shares)		31,479
Vested options, weighted average contractual years remaining		2 years 3 months 18 days
Stock Options [Member] | Outside Directors [Member]
Stock Option Activity [Abstract]
Award vesting period		1 year
Stock Options [Member] | Certain Officers [Member]
Stock Option Activity [Abstract]
Award vesting period		4 years

[1] Effective January 1, 2017, income tax benefits were recognized as discrete items in income tax expense in accordance to ASU 2016-09. Prior to January, 1, 2017, income tax benefits were recognized through additional paid in capital.