Fair Value Measurements - Financial Assets Measured on Recurring Basis (Details) - USD ($)
|
12 Months Ended |
|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
[1] |
$ 50,500,000
|
$ 24,200,000
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
0.0
|
1,000,000.0
|
|
| Derivative assets |
|
5,000,000.0
|
17,000,000.0
|
|
| Fair Market Value |
|
5,109,300,000
|
4,978,300,000
|
|
| Fair Market Value |
|
1,162,000,000
|
1,488,700,000
|
|
| Recurring |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
88,300,000
|
111,700,000
|
|
| Privately-held Investments, at fair value |
|
121,800,000
|
|
|
| Total |
|
6,551,900,000
|
6,701,700,000
|
|
| Recurring | Derivatives at fair value | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets |
|
5,000,000.0
|
17,000,000.0
|
|
| Recurring | Liabilities under derivative contracts | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
(12,100,000)
|
(45,900,000)
|
|
| Recurring | Liabilities under derivative contracts | Loss Portfolio Transfer |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
|
(3,600,000)
|
|
| Recurring | Fixed income securities | Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
9,500,000
|
|
|
| Recurring | Fixed income securities — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
5,013,400,000
|
4,692,200,000
|
|
| Recurring | Short-term investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
45,400,000
|
261,900,000
|
|
| Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,040,200,000
|
1,199,900,000
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
|
1,000,000.0
|
|
| Recurring | Real estate fund |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
279,600,000
|
267,200,000
|
|
| Recurring | Privately-held investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
50,500,000
|
|
|
| Recurring | Equity investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
8,100,000
|
0
|
|
| Recurring | Level 1 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, at fair value |
|
0
|
|
|
| Total |
|
1,857,900,000
|
2,207,800,000
|
|
| Recurring | Level 1 | Derivatives at fair value | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets |
|
0
|
0
|
|
| Recurring | Level 1 | Liabilities under derivative contracts | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
0
|
0
|
|
| Recurring | Level 1 | Liabilities under derivative contracts | Loss Portfolio Transfer |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
|
0
|
|
| Recurring | Level 1 | Fixed income securities | Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Recurring | Level 1 | Fixed income securities — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,518,300,000
|
1,675,700,000
|
|
| Recurring | Level 1 | Short-term investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
42,500,000
|
260,200,000
|
|
| Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
289,000,000.0
|
270,900,000
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
|
0
|
|
| Recurring | Level 1 | Real estate fund |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | Level 1 | Privately-held investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
0
|
|
|
| Recurring | Level 1 | Equity investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
8,100,000
|
|
|
| Recurring | Level 2 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, at fair value |
|
0
|
|
|
| Total |
|
4,242,100,000
|
3,919,300,000
|
|
| Recurring | Level 2 | Derivatives at fair value | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets |
|
5,000,000.0
|
17,000,000.0
|
|
| Recurring | Level 2 | Liabilities under derivative contracts | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
(12,100,000)
|
(45,900,000)
|
|
| Recurring | Level 2 | Liabilities under derivative contracts | Loss Portfolio Transfer |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
|
0
|
|
| Recurring | Level 2 | Fixed income securities | Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
9,500,000
|
|
|
| Recurring | Level 2 | Fixed income securities — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
3,495,100,000
|
3,016,500,000
|
|
| Recurring | Level 2 | Short-term investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
2,900,000
|
1,700,000
|
|
| Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
751,200,000
|
929,000,000.0
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
|
1,000,000.0
|
|
| Recurring | Level 2 | Real estate fund |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | Level 2 | Privately-held investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
0
|
|
|
| Recurring | Level 2 | Equity investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, at fair value |
|
121,800,000
|
|
|
| Total |
|
172,300,000
|
307,400,000
|
|
| Change in unrealized investment gains (losses) |
|
1,400,000
|
|
|
| Fair Market Value |
|
172,300,000
|
|
|
| Recurring | Level 3 | Liability |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities at beginning of year |
|
0
|
(3,600,000)
|
$ (16,500,000)
|
| Liability purchases |
|
0
|
0
|
|
| Liability transfers |
|
0
|
0
|
|
| Liability, Transfers out of Level 3 |
|
0
|
0
|
|
| Liability sales |
|
700,000
|
0
|
|
| Liability, increase (decrease) in fv included in net income |
|
2,900,000
|
12,900,000
|
|
| Change in unrealized gains or losses |
|
0
|
12,900,000
|
|
| Recurring | Level 3 | Loss Portfolio Transfer | Liability |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities at beginning of year |
|
0
|
(3,600,000)
|
(16,500,000)
|
| Liability purchases |
|
0
|
0
|
|
| Liability transfers |
|
0
|
0
|
|
| Liability, Transfers out of Level 3 |
|
0
|
0
|
|
| Liability sales |
|
700,000
|
0
|
|
| Liability, increase (decrease) in fv included in net income |
|
2,900,000
|
12,900,000
|
|
| Change in unrealized gains or losses |
|
0
|
12,900,000
|
|
| Recurring | Level 3 | Derivatives at fair value | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets |
|
0
|
0
|
|
| Recurring | Level 3 | Liabilities under derivative contracts | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
0
|
0
|
|
| Recurring | Level 3 | Liabilities under derivative contracts | Loss Portfolio Transfer |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
|
(3,600,000)
|
|
| Recurring | Level 3 | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
126,400,000
|
|
|
| Transferred in or out of Level 3 |
|
12,600,000
|
|
|
| Transfers Into Level 3 |
|
0
|
|
|
| Settlements and sales |
|
(256,000,000.0)
|
|
|
| Increase (decrease) in fair value included in net income |
|
3,500,000
|
|
|
| Fair Market Value |
|
|
311,000,000.0
|
|
| Recurring | Level 3 | Fixed income securities | Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Recurring | Level 3 | Fixed income securities — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | Level 3 | Short-term investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
|
0
|
|
| Recurring | Level 3 | Real estate fund |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Recurring | Level 3 | Commercial mortgage loans |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
(300,000)
|
0
|
|
| Fair Market Value |
|
25,400,000
|
79,700,000
|
|
| Recurring | Level 3 | Commercial mortgage loans | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
100,000
|
500,000
|
|
| Transfers Into Level 3 |
|
0
|
0
|
|
| Transfers out of Level 3 |
|
0
|
0
|
|
| Settlements and sales |
|
(56,300,000)
|
(184,400,000)
|
|
| Increase (decrease) in fair value included in net income |
|
1,900,000
|
(11,300,000)
|
|
| Fair Market Value |
|
|
79,700,000
|
274,900,000
|
| Recurring | Level 3 | Middle market loans and other private debt |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
(2,700,000)
|
0
|
|
| Fair Market Value |
|
28,900,000
|
61,000,000.0
|
|
| Recurring | Level 3 | Middle market loans and other private debt | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
21,700,000
|
400,000
|
|
| Transfers Into Level 3 |
|
0
|
0
|
|
| Transfers out of Level 3 |
|
0
|
0
|
|
| Settlements and sales |
|
(49,400,000)
|
(35,500,000)
|
|
| Increase (decrease) in fair value included in net income |
|
(4,400,000)
|
400,000
|
|
| Fair Market Value |
|
|
61,000,000.0
|
84,800,000
|
| Recurring | Level 3 | Global corporate securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
0
|
0
|
|
| Fair Market Value |
|
0
|
18,500,000
|
|
| Recurring | Level 3 | Global corporate securities | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
0
|
4,400,000
|
|
| Transfers Into Level 3 |
|
0
|
0
|
|
| Transfers out of Level 3 |
|
0
|
0
|
|
| Settlements and sales |
|
(18,600,000)
|
(300,000)
|
|
| Increase (decrease) in fair value included in net income |
|
100,000
|
0
|
|
| Fair Market Value |
|
|
18,500,000
|
14,400,000
|
| Recurring | Level 3 | Equity Securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
|
0
|
|
| Fair Market Value |
|
|
0
|
|
| Recurring | Level 3 | Equity Securities | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
|
0
|
|
| Transfers Into Level 3 |
|
|
0
|
|
| Transfers out of Level 3 |
|
|
0
|
|
| Settlements and sales |
|
|
(7,100,000)
|
|
| Increase (decrease) in fair value included in net income |
|
|
0
|
|
| Fair Market Value |
|
|
|
18,000,000.0
|
| Recurring | Level 3 | Short-term investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
|
1,300,000
|
|
| Fair Market Value |
|
|
311,000,000.0
|
|
| Recurring | Level 3 | Short-term investments | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
|
71,400,000
|
|
| Transfers Into Level 3 |
|
|
0
|
|
| Transfers out of Level 3 |
|
|
0
|
|
| Settlements and sales |
|
|
(239,700,000)
|
|
| Increase (decrease) in fair value included in net income |
|
|
(10,600,000)
|
|
| Fair Market Value |
|
|
|
489,900,000
|
| Recurring | Level 3 | Asset-backed |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Change in unrealized investment gains (losses) |
|
3,400,000
|
1,100,000
|
|
| Fair Market Value |
|
67,500,000
|
127,600,000
|
|
| Recurring | Level 3 | Asset-backed | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Purchases and issuances |
|
56,100,000
|
56,100,000
|
|
| Transfers Into Level 3 |
|
0
|
0
|
|
| Transfers out of Level 3 |
|
(2,000,000.0)
|
0
|
|
| Settlements and sales |
|
(116,900,000)
|
(12,400,000)
|
|
| Increase (decrease) in fair value included in net income |
|
2,700,000
|
1,000,000.0
|
|
| Fair Market Value |
|
|
127,600,000
|
82,900,000
|
| Recurring | Level 3 | Privately-held investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
50,500,000
|
|
|
| Recurring | Level 3 | Equity investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Recurring | NAV practical expedient |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, at fair value |
|
0
|
0
|
|
| Total |
|
279,600,000
|
267,200,000
|
|
| Recurring | NAV practical expedient | Derivatives at fair value | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Derivative assets |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Liabilities under derivative contracts | Foreign exchange contracts |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Liabilities under derivative contracts | Loss Portfolio Transfer |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Liabilities under derivative contracts, fair value |
|
|
0
|
|
| Recurring | NAV practical expedient | Fixed income securities | Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Fixed income securities — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Short-term investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Catastrophe Bonds, Fair Value Disclosure |
|
|
0
|
|
| Recurring | NAV practical expedient | Short-term investments trading at fair value |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Recurring | NAV practical expedient | Real estate fund |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
279,600,000
|
267,200,000
|
|
| Recurring | NAV practical expedient | Privately-held investments — Available for sale |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
0
|
0
|
|
| Recurring | NAV practical expedient | Equity investments |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| U.S. government |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
1,222,000,000
|
1,480,600,000
|
|
| Fair Market Value |
|
263,900,000
|
261,300,000
|
|
| U.S. government | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,222,000,000
|
1,480,600,000
|
|
| U.S. government | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
263,900,000
|
261,300,000
|
|
| U.S. government | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,222,000,000
|
1,480,600,000
|
|
| U.S. government | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
263,900,000
|
261,300,000
|
|
| U.S. government | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. government | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. government | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. government | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. government | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. government | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. agency |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
2,000,000.0
|
7,200,000
|
|
| U.S. agency | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
2,000,000.0
|
7,200,000
|
|
| U.S. agency | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. agency | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
2,000,000.0
|
7,200,000
|
|
| U.S. agency | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| U.S. agency | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
92,300,000
|
82,300,000
|
|
| Fair Market Value |
|
4,700,000
|
1,600,000
|
|
| Municipal | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
92,300,000
|
82,300,000
|
|
| Municipal | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
4,700,000
|
1,600,000
|
|
| Municipal | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
92,300,000
|
82,300,000
|
|
| Municipal | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
4,700,000
|
1,600,000
|
|
| Municipal | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Municipal | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
1,997,600,000
|
1,986,400,000
|
|
| Fair Market Value |
|
141,200,000
|
151,100,000
|
|
| Corporate | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,997,600,000
|
1,986,400,000
|
|
| Corporate | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
141,200,000
|
151,100,000
|
|
| Corporate | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
1,997,600,000
|
1,986,400,000
|
|
| Corporate | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
141,200,000
|
151,100,000
|
|
| Corporate | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Corporate | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government-backed corporate |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
66,300,000
|
131,300,000
|
|
| Fair Market Value |
|
|
2,800,000
|
|
| Non-U.S. government-backed corporate | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
66,300,000
|
131,300,000
|
|
| Non-U.S. government-backed corporate | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
2,800,000
|
|
| Non-U.S. government-backed corporate | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government-backed corporate | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Non-U.S. government-backed corporate | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
66,300,000
|
131,300,000
|
|
| Non-U.S. government-backed corporate | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
2,800,000
|
|
| Non-U.S. government-backed corporate | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government-backed corporate | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Non-U.S. government-backed corporate | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government-backed corporate | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Non-U.S. government |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
401,600,000
|
246,800,000
|
|
| Fair Market Value |
|
37,600,000
|
24,400,000
|
|
| Non-U.S. government | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
401,600,000
|
246,800,000
|
|
| Non-U.S. government | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
37,600,000
|
24,400,000
|
|
| Non-U.S. government | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
296,300,000
|
195,100,000
|
|
| Non-U.S. government | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
25,100,000
|
9,600,000
|
|
| Non-U.S. government | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
105,300,000
|
51,700,000
|
|
| Non-U.S. government | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
12,500,000
|
14,800,000
|
|
| Non-U.S. government | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-U.S. government | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
501,000,000.0
|
234,500,000
|
|
| Fair Market Value |
|
460,700,000
|
625,200,000
|
|
| Asset-backed | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
501,000,000.0
|
234,500,000
|
|
| Asset-backed | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
460,700,000
|
625,200,000
|
|
| Asset-backed | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
501,000,000.0
|
234,500,000
|
|
| Asset-backed | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
460,700,000
|
625,200,000
|
|
| Asset-backed | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Asset-backed | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Non-agency commercial mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
9,500,000
|
4,400,000
|
|
| Non-agency commercial mortgage-backed securities | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
4,400,000
|
|
| Non-agency commercial mortgage-backed securities | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Non-agency commercial mortgage-backed securities | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
4,400,000
|
|
| Non-agency commercial mortgage-backed securities | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Agency residential mortgage-backed securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
721,100,000
|
518,700,000
|
|
| Agency residential mortgage-backed securities | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
721,100,000
|
|
|
| Agency residential mortgage-backed securities | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Agency residential mortgage-backed securities | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
721,100,000
|
|
|
| Agency residential mortgage-backed securities | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
|
|
| Agency residential mortgage-backed securities | Recurring | NAV practical expedient | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Agency mortgage-backed |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
32,100,000
|
31,100,000
|
|
| Agency mortgage-backed | Recurring | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
518,700,000
|
|
| Agency mortgage-backed | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
32,100,000
|
31,100,000
|
|
| Agency mortgage-backed | Recurring | Level 1 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Agency mortgage-backed | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Agency mortgage-backed | Recurring | Level 2 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
518,700,000
|
|
| Agency mortgage-backed | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
32,100,000
|
31,100,000
|
|
| Agency mortgage-backed | Recurring | Level 3 | Fixed income securities |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Agency mortgage-backed | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Agency mortgage-backed | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| High yield loans |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
100,000,000.0
|
102,400,000
|
|
| High yield loans | Recurring | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
100,000,000.0
|
102,400,000
|
|
| High yield loans | Recurring | Level 1 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| High yield loans | Recurring | Level 2 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
100,000,000.0
|
102,400,000
|
|
| High yield loans | Recurring | Level 3 | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| High yield loans | Recurring | NAV practical expedient | Fixed income securities, trading |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
0
|
0
|
|
| Fixed income securities, trading | Recurring |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
|
24,200,000
|
|
| Privately-held Investments, at fair value |
|
|
286,800,000
|
|
| Fixed income securities, trading | Recurring | Level 1 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
|
0
|
|
| Privately-held Investments, at fair value |
|
|
0
|
|
| Fixed income securities, trading | Recurring | Level 2 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
|
0
|
|
| Privately-held Investments, at fair value |
|
|
0
|
|
| Fixed income securities, trading | Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Privately-held Investments, available for sale, at fair value |
|
|
24,200,000
|
|
| Privately-held Investments, at fair value |
|
|
286,800,000
|
|
| Short-term investments trading at fair value | Recurring |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
1,000,000.0
|
|
| Short-term investments trading at fair value | Recurring | Level 1 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
1,000,000.0
|
|
| Short-term investments trading at fair value | Recurring | Level 2 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Short-term investments trading at fair value | Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Investments, fair value |
|
|
0
|
|
| Asset backed securities, privately-held afs |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
16,300,000
|
24,200,000
|
|
| Asset backed securities, privately-held afs | Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
16,300,000
|
24,200,000
|
|
| Change in unrealized investment gains (losses) |
|
600,000
|
200,000
|
|
| Asset backed securities, privately-held afs | Recurring | Level 3 | Assets |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Fair Market Value |
|
|
24,200,000
|
$ 14,900,000
|
| Purchases and issuances |
|
14,700,000
|
10,000,000.0
|
|
| Transfers Into Level 3 |
|
0
|
0
|
|
| Transfers out of Level 3 |
|
(10,600,000)
|
0
|
|
| Settlements and sales |
|
(14,800,000)
|
0
|
|
| Increase (decrease) in fair value included in net income |
|
$ 2,800,000
|
$ (700,000)
|
|
|
|