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Retirement Plans | 12 Months Ended
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Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Retirement Plans | Retirement Plans Our defined contribution retirement plans include a 401(k) plan, which is funded, and a supplemental plan for certain employees, which is unfunded. The expense of our defined contribution retirement plans was $978,000 in 2016, $1,060,000 in 2015 and $1,338,000 in 2014. The unfunded liability for our supplemental plan was $334,000 at year-end 2016 and $802,000 at year-end 2015 and is included in other liabilities.

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