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Organization and Summary of Significant Accounting Policies - Pension and Other Postretirement Benefit Plans and Advertising and Marketing Costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Expected long term rate of return for defined benefit plans |  |  |
Time period for average rate of return | 20 years |  |
Percentage of greater of projected benefit obligation or fair value of plan assets for amortization of actuarial gains or losses | 5.00% |  |
Amortization period for actuarial gains and losses that exceed threshold | 5 years |  |
Advertising and marketing costs |  |  |
Advertising and marketing | $ 6,108 | $ 5,695 | $ 6,910

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- Definition Time period over which average rates of return on various asset classes are calculated to derive an assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References No definition available. + Details
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- Definition Amortization period of amount included in accumulated other comprehensive income (AOCI) related to actuarial gain (loss) when such gains or losses exceed a percentage threshold. + References No definition available. + Details
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- Definition The threshold for amortization of amount included in accumulated other comprehensive income (AOCI) related to actuarial gain (loss) as a percentage of the greater of the projected benefit obligation or the fair value of plan assets. + References No definition available. + Details
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- Definition The total expense recognized in the period for promotion, public relations, and brand or product advertising. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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