Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 6,983	$ 5,535	$ (184)
Other comprehensive income:
Defined benefit pension plan net gain arising during the period	2,143	1,240	1,937
Other comprehensive income	2,143	1,240	1,937
COMPREHENSIVE INCOME	9,126	6,775	1,753
Less: Comprehensive income attributable to noncontrolling interests	(37)	(70)	(30)
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 9,089	$ 6,705	$ 1,723