| Accumulated Other Comprehensive Income (Loss) |
Accumulated Other Comprehensive Income (Loss) Changes in accumulated other comprehensive income ("AOCI") (loss) by component, including amounts reclassified to other comprehensive income ("OCI") (loss) and the related line item in the Consolidated Statements of Operations where net income is presented, are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended | | Three months ended | | | September 30, 2026 | | September 30, 2025 | | (in thousands) | | Before Tax | Income Tax | Net | | Before Tax | Income Tax | Net | | Investment securities: | | | | | | | | | | AOCI (loss), beginning of period | | $ | (12,976) | | $ | (2,725) | | $ | (10,251) | | | $ | (7,202) | | $ | (1,513) | | $ | (5,689) | | | OCI (loss) before reclassifications | | (36,903) | | (7,749) | | (29,154) | | | 7,803 | | 1,638 | | 6,165 | | | Realized investment losses (gains) | | 712 | | 149 | | 563 | | | (571) | | (120) | | (451) | | | Impairment losses | | 8 | | 1 | | 7 | | | 495 | | 104 | | 391 | | | | | | | | | | | | OCI (loss) | | (36,183) | | (7,599) | | (28,584) | | | 7,727 | | 1,622 | | 6,105 | | | AOCI (loss), end of period | | $ | (49,159) | | $ | (10,324) | | $ | (38,835) | | | $ | 525 | | $ | 109 | | $ | 416 | | | | | | | | | | | | Pension and other postretirement plans: | | | | | | | | | | AOCI (loss), beginning of period | | $ | (66,578) | | $ | (13,982) | | $ | (52,596) | | | $ | (38,744) | | $ | (8,137) | | $ | (30,607) | | | OCI (loss) before reclassifications | | — | | — | | — | | | (1,063) | | (223) | | (840) | | | Amortization of prior service costs | | 458 | | 97 | | 361 | | | 422 | | 89 | | 333 | | | Amortization of net actuarial gain | | (68) | | (15) | | (53) | | | (633) | | (133) | | (500) | | | Settlement gain | | — | | — | | — | | | (62) | | (13) | | (49) | | | OCI (loss) | | 390 | | 82 | | 308 | | | (1,336) | | (280) | | (1,056) | | | AOCI (loss), end of period | | $ | (66,188) | | $ | (13,900) | | $ | (52,288) | | | $ | (40,080) | | $ | (8,417) | | $ | (31,663) | | | | | | | | | | | | Total | | | | | | | | | | AOCI (loss), beginning of period | | $ | (79,554) | | $ | (16,707) | | $ | (62,847) | | | $ | (45,946) | | $ | (9,650) | | $ | (36,296) | | | Investment securities | | (36,183) | | (7,599) | | (28,584) | | | 7,727 | | 1,622 | | 6,105 | | | Pension and other postretirement plans | | 390 | | 82 | | 308 | | | (1,336) | | (280) | | (1,056) | | | OCI (loss) | | (35,793) | | (7,517) | | (28,276) | | | 6,391 | | 1,342 | | 5,049 | | | AOCI (loss), end of period | | $ | (115,347) | | $ | (24,224) | | $ | (91,123) | | | $ | (39,555) | | $ | (8,308) | | $ | (31,247) | | | | | | | | | | | | | Nine months ended | | Nine months ended | | | September 30, 2026 | | September 30, 2025 | | (in thousands) | | Before Tax | Income Tax | Net | | Before Tax | Income Tax | Net | | Investment securities: | | | | | | | | | | AOCI (loss), beginning of period | | $ | 1,508 | | $ | 316 | | $ | 1,192 | | | $ | (22,442) | | $ | (4,714) | | $ | (17,728) | | OCI (loss) before reclassifications | | (52,814) | | (11,090) | | (41,724) | | | 21,264 | | 4,465 | | 16,799 | | | Realized investment losses | | 1,526 | | 320 | | 1,206 | | | 122 | | 26 | | 96 | | | Impairment losses | | 621 | | 130 | | 491 | | | 1,581 | | 332 | | 1,249 | | | | | | | | | | | OCI (loss) | | (50,667) | | (10,640) | | (40,027) | | | 22,967 | | 4,823 | | 18,144 | | | AOCI (loss), end of period | | $ | (49,159) | | $ | (10,324) | | $ | (38,835) | | | $ | 525 | | $ | 109 | | $ | 416 | | | | | | | | | | | | Pension and other postretirement plans: | | | | | | | | | AOCI (loss), beginning of period | | $ | (67,359) | | $ | (14,146) | | $ | (53,213) | | | $ | (37,802) | | $ | (7,939) | | $ | (29,863) | | | OCI (loss) before reclassifications | | — | | — | | — | | | (1,063) | | (223) | | (840) | | | Amortization of prior service costs | | 1,374 | | 289 | | 1,085 | | | 1,266 | | 266 | | 1,000 | | | Amortization of net actuarial gain | | (203) | | (43) | | (160) | | | (1,942) | | (408) | | (1,534) | | | Settlement gain | | — | | — | | — | | | (539) | | (113) | | (426) | | | OCI (loss) | | 1,171 | | 246 | | 925 | | | (2,278) | | (478) | | (1,800) | | AOCI (loss), end of period | | $ | (66,188) | | $ | (13,900) | | $ | (52,288) | | | $ | (40,080) | | $ | (8,417) | | $ | (31,663) | | | | | | | | | | | | Total | | | | | | | | | | AOCI (loss), beginning of period | | $ | (65,851) | | $ | (13,830) | | $ | (52,021) | | | $ | (60,244) | | $ | (12,653) | | $ | (47,591) | | | Investment securities | | (50,667) | | (10,640) | | (40,027) | | | 22,967 | | 4,823 | | 18,144 | | | Pension and other postretirement plans | | 1,171 | | 246 | | 925 | | | (2,278) | | (478) | | (1,800) | | OCI (loss) | | (49,496) | | (10,394) | | (39,102) | | | 20,689 | | 4,345 | | 16,344 | | | AOCI (loss), end of period | | $ | (115,347) | | $ | (24,224) | | $ | (91,123) | | | $ | (39,555) | | $ | (8,308) | | $ | (31,247) | |
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