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Long-Term Debt, Credit Agreement (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Apr. 18, 2018
Credit Agreement [Member] | Maximum [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Consolidated leverage ratio | 2.25 |
Credit Agreement [Member] | Minimum [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Consolidated interest coverage ratio | 3.00 |
Term Loan Facility [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Original principal amount | $ 400.0 | $ 400.0
Term of loan | 5 years |
Term Loan Facility [Member] | First Year [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Annual amortization percentage | 5.00% |
Term Loan Facility [Member] | Second Year [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Annual amortization percentage | 5.00% |
Term Loan Facility [Member] | Third Year [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Annual amortization percentage | 7.50% |
Term Loan Facility [Member] | Fourth Year [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Annual amortization percentage | 7.50% |
Term Loan Facility [Member] | Fifth Year [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Annual amortization percentage | 10.00% |
Revolving Credit Facility [Member] |  |
Long-term Debt, Current and Noncurrent [Abstract] |  |
Borrowing capacity |  | $ 350.0
Term of loan | 5 years |

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- Definition Consolidated leverage ratio that must be maintained under the Credit Agreement. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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