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Debt - Summary of Debt Outstanding (Details) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019 | May 11, 2018
--- | --- | --- | ---
Debt Instrument |  |  |
Total debt | $ 359,400,000 | $ 283,500,000 |
NSM Bank Facility |  |  |
Debt Instrument |  |  |
Amount borrowed |  |  | $ 100,000,000.0
Other NSM debt |  |  |
Debt Instrument |  |  |
Total debt |  | 1,800,000 |
Term Loan | NSM Bank Facility |  |  |
Debt Instrument |  |  |
Unamortized issuance cost | (6,200,000) | (3,900,000) |
Total debt | 268,800,000 | 217,400,000 |
Long-term Debt, Gross | $ 275,000,000.0 | $ 221,300,000 |
Effective percentage | 7.40% | 7.50% |
Term Loan | Other NSM debt |  |  |
Debt Instrument |  |  |
Effective percentage | 2.80% | 3.00% |
Term Loan | Other Operations |  |  |
Debt Instrument |  |  |
Unamortized issuance cost | $ (600,000) | $ (400,000) |
Total debt |  | 10,700,000 |
Long-term Debt, Gross | $ 18,800,000 | $ 11,100,000 |
Effective percentage | 10.10% | 8.30% |
Term Loan | Kudu Bank Facility |  |  |
Debt Instrument |  |  |
Unamortized issuance cost | $ (3,000,000.0) | $ (3,400,000) |
Total debt |  | 53,600,000 |
Long-term Debt, Gross | $ 74,000,000.0 | $ 57,000,000.0 |
Effective percentage | 8.40% | 8.30% |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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