Retirement Plans (Notes)

12 Months Ended

Dec. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Retirement Plans

Retirement Plans

The Company has a defined contribution retirement plan which covers substantially all employees and which provides for a Company contribution equal to 4% of each participant’s compensation and a Company matching contribution of up to 100% of the first 3% and 50% of the next 2% of pre tax contributions made by each participant.  Employee contributions are limited to the 402(g) limit of compensation.  The total expense for the plan amounted to $1,630,000, $1,383,000 and $1,080,000 in 2017, 2016 and 2015, respectively.  The Company also has two agreements in place to pay $50,000 annually for 20 years from the retirement date to the surviving spouse of a deceased former senior officer of the Company and to a senior officer that retired December 31, 2013.  Total expense under these two agreements amounted to $40,000, $43,000 and $29,000 in 2017, 2016 and 2015, respectively. The current liability recorded for these two agreements was $597,000 and $658,000, as of December 31, 2017 and 2016, respectively.