XML 92 R77.htm IDEA: XBRL DOCUMENT

Note 9 - Employee Retirement Plans - Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Projected benefit obligation	$ 88,960	$ 91,654	$ 90,247	$ 103,443
Accumulated benefit obligation	88,960	91,109
Fair value of plan assets	$ 56,495	$ 59,625	$ 56,790	$ 57,536

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References + Details