Note 16 - Benefit Plans	9 Months Ended
Sep. 30, 2019
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	16. Benefit Plans In June 2019, the Compensation Committee of the Company’s Board of Directors approved a resolution to terminate the Company’s defined benefit pension plan (the Pension Plan). After this approval, during the second quarter of 2019, the Company commenced the plan termination process. In the third quarter of 2019, the Company received regulatory approval and amended the Pension Plan to provide eligible participants the choice of a lump sum or annuity payment. While there are many factors that may impact the timing of the plan termination, the Company expects to complete the lump sum payments and the transfer of the remaining Pension Plan assets to a third-party administrator during the fourth quarter of 2019. Termination of the Pension Plan will not result in a reduction of benefits to plan participants. The decision to terminate the Pension Plan follows the Company’s decision in 2008 to freeze benefits being accrued under the previous noncontributory salaried and hourly pension plans, which were merged into one plan effective December 31, 2018. Upon settlement of the pension liability, the Company will reclassify any related pension losses currently recorded in AOCL, to the consolidated statements of comprehensive income. As of September 30, 2019, the Company had unrecognized losses related to the Pension Plan of $10,541 recorded in AOCL. The Company will recognize this loss upon termination of the Pension Plan, adjusted for the total required payout to plan participants which will be determined based on employee elections and market conditions present at the time of termination.

Note 16 - Benefit Plans

9 Months Ended

Sep. 30, 2019

Pension and Other Postretirement Benefits Disclosure [Text Block]

16. Benefit Plans

In June 2019, the Compensation Committee of the Company’s Board of Directors approved a resolution to terminate the Company’s defined benefit pension plan (the Pension Plan). After this approval, during the second quarter of 2019, the Company commenced the plan termination process. In the third quarter of 2019, the Company received regulatory approval and amended the Pension Plan to provide eligible participants the choice of a lump sum or annuity payment. While there are many factors that may impact the timing of the plan termination, the Company expects to complete the lump sum payments and the transfer of the remaining Pension Plan assets to a third-party administrator during the fourth quarter of 2019. Termination of the Pension Plan will not result in a reduction of benefits to plan participants. The decision to terminate the Pension Plan follows the Company’s decision in 2008 to freeze benefits being accrued under the previous noncontributory salaried and hourly pension plans, which were merged into one plan effective December 31, 2018. Upon settlement of the pension liability, the Company will reclassify any related pension losses currently recorded in AOCL, to the consolidated statements of comprehensive income. As of September 30, 2019, the Company had unrecognized losses related to the Pension Plan of $10,541 recorded in AOCL. The Company will recognize this loss upon termination of the Pension Plan, adjusted for the total required payout to plan participants which will be determined based on employee elections and market conditions present at the time of termination.