SHAREHOLDERS' EQUITY (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Nov. 12, 2015	May. 07, 2014	Jan. 11, 2010
Proceeds from equity offering, net of offering costs		$ 91,462,000
Equity offering underwriting discounts		5,900,000
Equity offering expenses		$ 700,000
Common stock issuance price for equity offering					$ 115.00
Weighted average shares outstanding:
Weighted average basic common shares (in shares)		11,516,000	11,188,000	11,035,000
Effect of stock options (in shares)		866,000	0	0
Effect of dilutive share awards (in shares)		159,000	0	0
Weighted average diluted common shares (in shares)		12,541,000	11,188,000	11,035,000
Additional disclosure
Potentially dilutive securities included in the denominator for computing diluted loss per share			0
Anti-dilutive securities excluded from calculation of diluted earnings per share			700,000	700,000
Common Stock Repurchases
Value of common stock authorized to be repurchased						$ 10,000,000.0	$ 10,000,000
Purchase of treasury stock (in shares)		5,250	99,345	180,453
Value of Treasury Stock Acquired		$ 218,000	$ 2,610,000	$ 3,321,000
Remaining Authorized Repurchase Amount	$ 7,300,000	7,300,000
Common Stock
Proceeds from equity offering, net of offering costs		$ 9,000
Issuance of stock for equity offering (in shares)	852,500	853,000