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Pension and Other Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]      
General Discussion of Pension and Other Postretirement Benefits

The Company maintains a frozen noncontributory pension plan covering employees of the Company prior to the Merger. The benefits are based on years of service and the employee's compensation over the prior five-year period. The plan's benefits are payable in the form of a ten year certain and life annuity. The plan is intended to be a tax-qualified defined benefit plan under Section 401(a) of the Internal Revenue Code. Payments may be made under the Pension Plan once attaining the normal retirement age of 65 and are generally equal to 44% of a participant's highest average compensation over a 5-year period.

    
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation $ 12,700 $ 13,100  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax 412    
Defined Benefit Plan, Contributions by Employer $ 351 $ 338 $ 291
Defined Benefit Plan, Description of Plan Amendment

Beginning with the 2013 Plan Year, the Plan was amended to provide for a 3% non-elective safe harbor contribution for all participants.