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Employee Benefit Plans (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Mandatory 401(k) match | $ 1.00 |  |
Maximum annual employer 401(k) contribution | 5.50% |  |
Amount expensed for 401(k) contributions | $ 1,800,000 | $ 1,700,000 | $ 1,400,000
Accrued liability for plan | 1,800,000 | 1,600,000 |
Increase (decrease) in non-qualified deferred compensation plan | 173,000 | 78,000 | 36,000
Aggregate payout under profit sharing plan | 4,200,000 | 3,700,000 | 2,900,000
Supplemental Employee Retirement Plan |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Contributions to supplemental plan | 281,000 | 290,000 | 262,000
Accrued liability for plan | 2,200,000 | 2,100,000 |
RML |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Mandatory 401(k) match | $ 1.00 |  |
Maximum annual employer 401(k) contribution | 2.00% |  |
RML | Supplemental Employee Retirement Plan |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |
Contributions to supplemental plan | $ 959,000 | 997,000 | $ 580,000
Accrued liability for plan | $ 3,000,000 | $ 2,600,000 |
Vesting period | 10 years |  |

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- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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