v3.25.1
Income taxes - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Income Taxes [Line Items]      
Valuation allowance $ 462,511,000   $ 456,751,000
Net deferred tax assets (net of valuation allowance) 887,454,000   926,329,000
Net deferred tax asset 885,802,000   924,756,000
Unrecognized tax benefits, accrued interest 2,400,000   2,400,000
Accrual for the payment of penalties 0   0
Total amount of unrecognized tax benefits, that if recognized, would affect effective tax rate 3,000,000.0   3,000,000.0
Income tax expense 45,063,000 $ 55,568,000  
Interest expense recognized 30,000 30,000  
Income tax credits and adjustments 16,500,000 16,500,000  
Dividends paid 49,899,000 44,976,000  
Other assets      
Income Taxes [Line Items]      
Net deferred tax assets (net of valuation allowance) 887,500,000   926,300,000
Other liabilities      
Income Taxes [Line Items]      
Net deferred tax liabilities 1,700,000   1,600,000
BHC | Prior period correction adjustment      
Income Taxes [Line Items]      
Deferred tax asset valuation allowance 53,700,000    
PR      
Income Taxes [Line Items]      
Valuation allowance 75,598,000   69,837,000
Net deferred tax asset 638,832,000   671,394,000
Income tax expense 45,063,000 55,568,000  
Deferred tax asset valuation allowance 3,882,000 $ 2,563,000  
US      
Income Taxes [Line Items]      
Valuation allowance 386,913,000   386,914,000
Net deferred tax asset 246,970,000   $ 253,362,000
Deferred Tax Assets $ 633,900,000