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Debt - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 8 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2019 | Jun. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 | Jun. 15, 2018 | May 18, 2018 | May 11, 2018
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | $ 230,500,000 | $ 230,500,000 |  | $ 192,700,000 |  |  |
Repayments of debt |  |  | 21,700,000 | $ 6,100,000 |  |  |  |
Other Operations |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Face amount |  | $ 11,200,000 | $ 11,200,000 |  | 0 |  |  |
Effective percentage |  | 9.90% | 9.90% |  |  |  |  |
Unamortized issuance cost |  | $ (400,000) | $ (400,000) |  | 0 |  |  |
MediaAlpha |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 0 | 0 |  | 14,200,000 |  |  |
MediaAlpha | MediaAlpha Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 0 | 0 |  | 14,200,000 |  |  |
Face amount |  | 0 | 0 |  | $ 14,300,000 |  |  |
Effective percentage |  |  |  |  | 7.10% |  |  |
Unamortized issuance cost |  | 0 | 0 |  | $ (100,000) |  |  |
NSM Holding Co LLC |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 219,700,000 | 219,700,000 |  | 178,500,000 |  |  |
NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 218,000,000.0 | 218,000,000.0 |  | 176,600,000 |  |  |
Face amount |  |  |  |  |  |  |  | $ 100,000,000.0
Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 222,300,000 | 222,300,000 |  |  |  |  |
Face amount |  | $ 222,300,000 | $ 222,300,000 |  | $ 180,400,000 |  | $ 51,000,000.0 | 224,000,000.0
Effective percentage |  | 7.70% | 7.70% |  | 7.40% |  |  |
Unamortized issuance cost |  | $ (4,300,000) | $ (4,300,000) |  | $ (3,800,000) |  |  |
Repayments of debt |  | 500,000 | 900,000 |  |  |  |  |
Proceeds from borrowings |  | 42,900,000 | 42,900,000 |  |  |  |  |
Term Loan | NSM Holding Co LLC | Other Operations |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 1,700,000 | 1,700,000 |  | 1,900,000 |  |  |
Unamortized issuance cost |  | (0.022) | (0.022) |  | $ (0.022) |  |  |
Revolving Credit Facility | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total commitment under revolving credit facility |  |  |  |  |  |  |  | 10,000,000.0
Borrowings under facility |  |  |  |  |  |  |  | $ 2,000,000.0
Repayments of debt |  | $ 6,500,000 |  |  |  |  |  |
Proceeds from borrowings |  |  | $ 6,500,000 |  |  |  |  |
Interest Rate Swap | NSM Holding Co LLC |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Derivative, fixed interest rate |  |  |  |  |  | 2.97% |  |
Derivative, variable interest rate |  | 2.43% | 2.43% |  |  |  |  |
Interest Rate Swap | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | $ 149,500,000 | $ 149,500,000 |  |  |  |  |
Total commitment under revolving credit facility |  |  |  |  |  | $ 151,000,000.0 |  |
Hedged Liability, Fair Value Hedge |  |  |  |  |  | $ 151,000,000.0 |  |
Derivative, fixed interest rate |  | 2.97% | 2.97% |  |  |  |  |
Debt, weighted average interest rate, all-in |  | 7.30% | 7.30% |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Minimum | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 4.25% |  |  | 4.25% |  |  |
London Interbank Offered Rate (LIBOR) | Maximum | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 4.75% |  |  | 4.75% |  |  |
Prime Rate | Minimum | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.25% |  |  | 3.25% |  |  |
Prime Rate | Maximum | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.75% |  |  | 3.75% |  |  |
Designated as Hedging Instrument | Interest Rate Swap | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | $ 149,500,000 | $ 149,500,000 |  |  |  |  |
Debt, weighted average interest rate, all-in |  | 7.47% | 7.47% |  |  |  |  |
Not Designated as Hedging Instrument | Interest Rate Swap | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | $ 72,900,000 | $ 72,900,000 |  |  |  |  |
Effective percentage |  | 7.24% | 7.24% |  |  |  |  |
Embrace Pet Insurance [Member] | NSM Holding Co LLC |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Proceeds from borrowings | $ 20,400,000 |  |  |  |  |  |  |
Embrace Pet Insurance [Member] | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Proceeds from borrowings |  | $ 20,400,000 | $ 20,400,000 |  |  |  |  |
Carrying Value | MediaAlpha | MediaAlpha Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 0 | 0 |  | $ 14,200,000 |  |  |
Carrying Value | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 218,000,000.0 | 218,000,000.0 |  | 176,600,000 |  |  |
Carrying Value | Other Operations |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total debt |  | 10,800,000 | 10,800,000 |  | $ 0 |  |  |
Renewal Rights | Term Loan | NSM Holding Co LLC | NSM Bank Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Proceeds from borrowings |  | $ 22,500,000 | $ 22,500,000 |  |  |  |  |

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