Fair value measurements - Schedule of Level 3 Rollforward (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
$ 323,930
|
$ 282,589
|
$ 282,270
|
$ 257,265
|
| Purchases |
16,890
|
30,371
|
53,085
|
56,094
|
| Sales and repayments |
(34,675)
|
(27,999)
|
(59,706)
|
(40,489)
|
| Net realized gain (loss) |
74
|
(568)
|
(629)
|
(508)
|
| Included in income |
(1,553)
|
5,770
|
(4,459)
|
6,048
|
| Included in OCI |
1,324
|
(178)
|
2,605
|
(278)
|
| Transfer in |
0
|
6,000
|
32,824
|
17,853
|
| Transfer out |
(5,000)
|
|
(5,000)
|
|
| Ending Balance |
300,990
|
295,985
|
300,990
|
295,985
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(1,906)
|
1,188
|
(5,048)
|
1,150
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
$ 1,324
|
(179)
|
$ 2,605
|
(278)
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
503
|
|
|
| Net realized gain (loss) |
|
0
|
|
|
| Included in income |
|
(371)
|
|
|
| Ending Balance |
|
132
|
|
$ 132
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
|
$ 371
|
|
|
| Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag |
Included in OCI
|
|
Included in income
|
|
| Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Statement Of Income Extensible List Not Disclosed Flag |
|
Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held
|
|
Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held
|
| Variable Interest Entity, Primary Beneficiary |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
|
$ 120,680
|
|
| Ending Balance |
$ 130,722
|
|
130,722
|
|
| Consolidated Balance Including Variable Interest Entity |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
317,219
|
$ 277,217
|
275,701
|
$ 256,766
|
| Purchases |
16,890
|
30,371
|
53,085
|
51,094
|
| Sales and repayments |
(34,675)
|
(27,980)
|
(59,692)
|
(40,470)
|
| Net realized gain (loss) |
74
|
(568)
|
(632)
|
(508)
|
| Included in income |
(1,150)
|
5,274
|
(4,209)
|
5,679
|
| Included in OCI |
1,324
|
(178)
|
2,605
|
(278)
|
| Transfer in |
0
|
6,000
|
32,824
|
17,853
|
| Transfer out |
(5,000)
|
|
(5,000)
|
|
| Ending Balance |
294,682
|
290,136
|
294,682
|
290,136
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(1,503)
|
728
|
(4,800)
|
806
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
1,324
|
$ (179)
|
2,605
|
$ (278)
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List Not Disclosed Flag |
|
Included in OCI
|
|
Included in OCI
|
| Asset Management |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
6,711
|
$ 5,372
|
6,569
|
$ 499
|
| Purchases |
|
|
|
5,000
|
| Sales and repayments |
|
(19)
|
(14)
|
(19)
|
| Net realized gain (loss) |
|
|
3
|
|
| Included in income |
(403)
|
496
|
(250)
|
369
|
| Ending Balance |
6,308
|
5,849
|
6,308
|
5,849
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
$ (403)
|
460
|
$ (248)
|
344
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
503
|
|
1,471
|
| Net realized gain (loss) |
|
0
|
|
0
|
| Included in income |
|
(371)
|
|
(1,339)
|
| Ending Balance |
|
132
|
|
132
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
|
371
|
|
1,339
|
| Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag |
Included in OCI
|
|
Included in income
|
|
| Asset Management | Debt obligations |
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
503
|
|
1,471
|
| Net realized gain (loss) |
|
0
|
|
0
|
| Included in income |
|
(371)
|
|
(1,339)
|
| Ending Balance |
|
132
|
|
132
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
|
371
|
|
1,339
|
| Asset Management | Equity securities |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
$ 6,640
|
5,372
|
$ 6,484
|
499
|
| Purchases |
|
|
|
5,000
|
| Sales and repayments |
|
(19)
|
|
(19)
|
| Included in income |
(403)
|
496
|
(247)
|
369
|
| Ending Balance |
6,237
|
5,849
|
6,237
|
5,849
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(403)
|
460
|
(247)
|
344
|
| Asset Management | Derivatives |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
|
13
|
|
| Sales and repayments |
|
|
(14)
|
|
| Net realized gain (loss) |
|
|
3
|
|
| Included in income |
|
|
(2)
|
|
| Ending Balance |
0
|
|
0
|
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
|
|
0
|
|
| Asset Management | Other invested assets |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
71
|
|
72
|
|
| Included in income |
0
|
|
(1)
|
|
| Ending Balance |
71
|
|
71
|
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
0
|
|
(1)
|
|
| Insurance Solutions |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
186,909
|
144,824
|
155,021
|
130,868
|
| Purchases |
679
|
14,291
|
1,506
|
17,142
|
| Sales and repayments |
(19,847)
|
(8,464)
|
(22,585)
|
(9,537)
|
| Net realized gain (loss) |
15
|
(745)
|
15
|
(745)
|
| Included in income |
(120)
|
5,355
|
(426)
|
5,780
|
| Included in OCI |
1,324
|
(178)
|
2,605
|
(278)
|
| Transfer in |
0
|
6,000
|
32,824
|
17,853
|
| Transfer out |
(5,000)
|
|
(5,000)
|
|
| Ending Balance |
163,960
|
161,083
|
163,960
|
161,083
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(234)
|
1,191
|
(560)
|
1,595
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
1,324
|
(179)
|
2,605
|
(278)
|
| Insurance Solutions | Consolidated Balance Including Variable Interest Entity |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
|
275,701
|
|
| Ending Balance |
294,682
|
|
294,682
|
|
| Insurance Solutions | Equity securities |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
3,319
|
2,931
|
3,240
|
2,918
|
| Purchases |
0
|
|
|
|
| Sales and repayments |
(3,001)
|
0
|
(3,001)
|
0
|
| Included in income |
(17)
|
69
|
62
|
82
|
| Transfer in |
0
|
|
0
|
|
| Ending Balance |
301
|
3,000
|
301
|
3,000
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(17)
|
69
|
62
|
82
|
| Insurance Solutions | Equity securities | Variable Interest Entity, Primary Beneficiary |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
1,139
|
141
|
949
|
141
|
| Purchases |
38
|
0
|
530
|
0
|
| Sales and repayments |
0
|
0
|
|
0
|
| Net realized gain (loss) |
0
|
0
|
|
0
|
| Included in income |
(61)
|
106
|
(363)
|
106
|
| Ending Balance |
1,116
|
247
|
1,116
|
247
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(61)
|
106
|
(363)
|
106
|
| Insurance Solutions | Other invested assets |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
5,143
|
4,006
|
5,637
|
4,575
|
| Purchases |
7
|
|
45
|
|
| Sales and repayments |
(5)
|
(4,433)
|
(6)
|
(4,433)
|
| Net realized gain (loss) |
0
|
(745)
|
|
(745)
|
| Included in income |
(138)
|
4,633
|
(145)
|
4,260
|
| Included in OCI |
(258)
|
(299)
|
(834)
|
(495)
|
| Transfer in |
0
|
|
52
|
|
| Ending Balance |
4,749
|
3,162
|
4,749
|
3,162
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(139)
|
475
|
(144)
|
84
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
(258)
|
(299)
|
(834)
|
(495)
|
| Insurance Solutions | Corporate |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
15,208
|
5,039
|
10,149
|
|
| Included in OCI |
(207)
|
28
|
(148)
|
67
|
| Transfer in |
0
|
0
|
5,000
|
5,000
|
| Transfer out |
(5,000)
|
|
(5,000)
|
|
| Ending Balance |
10,001
|
5,067
|
10,001
|
5,067
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
(207)
|
28
|
(148)
|
67
|
| Insurance Solutions | Asset and mortgage-backed securities |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
41,281
|
15,323
|
19,427
|
8,641
|
| Purchases |
19
|
|
19
|
|
| Sales and repayments |
(2,826)
|
(302)
|
(3,038)
|
(530)
|
| Net realized gain (loss) |
15
|
|
15
|
|
| Included in income |
95
|
0
|
91
|
(1)
|
| Included in OCI |
1,789
|
92
|
3,587
|
150
|
| Transfer in |
0
|
0
|
20,272
|
6,853
|
| Ending Balance |
40,373
|
15,113
|
40,373
|
15,113
|
| Change in unrealized gains (losses) included in OCI on Level 3 assets and liabilities still held |
1,789
|
92
|
3,587
|
150
|
| Insurance Solutions | Corporate loans |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
121,958
|
117,525
|
116,568
|
114,734
|
| Purchases |
653
|
14,291
|
1,442
|
17,142
|
| Sales and repayments |
(14,015)
|
(3,729)
|
(16,540)
|
(4,574)
|
| Net realized gain (loss) |
0
|
0
|
|
0
|
| Included in income |
(60)
|
653
|
(434)
|
1,439
|
| Included in OCI |
|
1
|
|
|
| Transfer in |
0
|
6,000
|
7,500
|
6,000
|
| Ending Balance |
108,536
|
134,741
|
108,536
|
134,741
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
(78)
|
647
|
(478)
|
1,429
|
| Insurance Solutions | Corporate loans | Variable Interest Entity, Primary Beneficiary |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning Balance |
129,171
|
132,252
|
119,731
|
125,757
|
| Purchases |
16,173
|
16,080
|
51,049
|
33,952
|
| Sales and repayments |
(14,828)
|
(19,516)
|
(37,107)
|
(30,933)
|
| Net realized gain (loss) |
59
|
177
|
(647)
|
237
|
| Included in income |
(969)
|
(187)
|
(3,420)
|
(207)
|
| Ending Balance |
129,606
|
128,806
|
129,606
|
128,806
|
| Change in unrealized gains (losses) included in income on Level 3 assets and liabilities still held |
$ (1,208)
|
$ (569)
|
$ (3,877)
|
$ (895)
|