XML 93 R82.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Accumulated Other Comprehensive Income (Loss) - Schedule of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ 5,562,900 $ 5,128,595
Other comprehensive income (loss) before    reclassifications (47,668) 64,529
Amounts reclassified from AOCI to income 6,849 13,535
Ending balance 5,595,408 5,277,426
Accumulated Other Comprehensive Income (Loss)    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (738,809) (786,422)
Ending balance (779,628) (708,358)
Unrealized Gains and Losses on Available- for-Sale Debt Securities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (652,518) (642,346)
Other comprehensive income (loss) before    reclassifications (33,463) 27,219
Amounts reclassified from AOCI to income 12 3,867
Ending balance (685,969) (611,260)
Unrealized Gains and Losses on Held-to- Maturity Securities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (95,472) (112,664)
Other comprehensive income (loss) before    reclassifications 0 1,325
Amounts reclassified from AOCI to income 3,221 4,373
Ending balance (92,251) (106,966)
Gains and Losses on Hedges    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 9,181 (31,549)
Other comprehensive income (loss) before    reclassifications (14,205) 35,985
Amounts reclassified from AOCI to income 3,616 5,436
Ending balance (1,408) 9,872
Defined Benefit Pension Plans    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 0 137
Other comprehensive income (loss) before    reclassifications 0 0
Amounts reclassified from AOCI to income 0 (141)
Ending balance $ 0 $ (4)