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Multiemployer Benefit Plans | 12 Months Ended
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Dec. 31, 2015
Multiemployer Benefit Plans [Abstract] |
Multiemployer Benefit Plans | 11. MULTIEMPLOYER BENEFIT PLANS Our subsidiaries make contributions to certain multiemployer defined benefit plans (“Multiemployer Pension Plans”) and health plans (“Multiemployer Health Plans”) for our union represented employees, pursuant to the respective collective bargaining agreements. Multiemployer Pension Plans Multiemployer Pension Plans differ from single-employer pension plans in that (i) contributions to multiemployer plans may be used to provide benefits to employees of other participating employers and (ii) if other participating employers fail to make their contributions, each of our subsidiaries may be required to bear their pro rata share of unfunded obligations. If a participating subsidiar y withdraw s from a plan in which it participates, it may be subject to a withdrawal liability. As of December 31, 2015, our subsidiaries' participation in these plans were not significant to our consolidated financial statements. In the years ended December 31, 2015, 2014 and 2013 our subsidiaries contributed $144,000, $1 44,000 and $138,000, respectively, towards Multiemployer Pension Plans. Our subsidiaries' contributions did not represent more tha n 5% of total employer contributions in any of these plans for the years ended December 31, 2015, 2014 and 2013. Multiemployer Health Plans Multiemployer Health Plans in which our subsidiaries participate provide health benefits to eligible active and retired employees. In the years ended December 31, 2015, 2014 and 2013 our subsidiaries contributed $554,000, $533,000 and $499,000, respectively, towards these plans.

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