STOCK BASED COMPENSATION - ACTIVITY (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock Based Compensation
Granted (in shares)	0	0	0
Stock Option Plans
Shares
Outstanding, beginning of year (in shares)	2,400
Forfeited or expired (in shares)	(1,200)
Outstanding, end of year (in shares)	1,200	2,400
Vested and expected to vest (in shares)	1,200
Exercisable, end of period (in shares)	1,200
Weighted Average Exercise Price
Outstanding, beginning of year (in dollars per share)	$ 30.37
Forfeited or expired (in dollars per share)	29.75
Outstanding, end of year (in dollars per share)	31.00	$ 30.37
Vested and expected to vest (in dollars per share)	31.00
Exercisable, end of period (in dollars per share)	$ 31.00
Weighted Average Remaining Contractual Term
Outstanding, end of period	9 months 6 days
Vested and expected to vest	9 months 6 days
Exercisable, end of period	9 months 6 days
Additional disclosures
Total unrecognized compensation cost related to nonvested stock options granted	$ 0
Aggregate Intrinsic Value
Outstanding, end of period	1,800
Vested and expected to vest	1,800
Exercisable, end of period	$ 1,800