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Long-Term Debt Long-Term Debt (Senior long-term debt) (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) | May 13, 2021 USD ($) | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |
Accumulated Amortization, Debt Issuance Costs | $ 1,324 |  | $ 819
Debt Issuance Costs, Net | 1,543 |  | 1,136
Less: current portion | (521) |  | (1,027)
Total acquisition debt, net of current portion | $ 3,979 |  | 4,482
Debt Instrument, Debt Compliance, EBITDA | 0.50 |  |
Ratio Actual [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Ratio of indebtedness to net capital (in ratio) | 5.00 |  |
Ratio Actual [Member] | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Ratio of indebtedness to net capital (in ratio) | 0.25 |  |
Notes payable, other | Acquisition Debt |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | $ 4,500 |  | 5,509
Credit Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 155,400 |  |
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months | 0 |  |
Less: Interest | 0 |  |
Present value of Credit Facility and acquisition debt | 155,400 |  |
Credit Agreement [Member] | Term Loan [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 153,857 |  | 46,064
Acquisition Debt |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 6,526 |  |
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months | 825 |  |
Less: Interest | 2,026 |  |
Present value of Credit Facility and acquisition debt | 4,500 |  |
Revolving Credit Facility | Line of Credit | Revolving Credit Facility, Secured, Floating Rate |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 155,400 |  | $ 47,200
Line of Credit Facility, Remaining Borrowing Capacity | $ 42,300 | $ 21,400 |

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