XML 151 R136.htm IDEA: XBRL DOCUMENT v3.25.3
Income taxes - Components of deferred tax assets and liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Deferred tax assets:    
Tax credits available for carryforward $ 43,243 $ 29,589
Net operating loss and other carryforward available 644,916 662,490
Postretirement and pension benefits 28,228 27,786
Allowance for credit losses 277,547 271,568
Deferred loan origination fees/cost 1,689  
Depreciation 15,442 14,929
FDIC-assisted transaction 152,665 152,665
Lease liability 46,612 41,618
Unrealized net loss on investment securities 193,613 273,407
Difference in outside basis from pass-through entities 53,182 50,144
Mortgage Servicing Rights 15,051 14,475
Other temporary differences 42,253 50,199
Total gross deferred tax assets 1,514,441 1,588,870
Deferred tax liabilities:    
Intangibles 146,526 144,277
Right of use assets 42,175 37,238
Deferred loan origination fees/cost   205
Loans acquired 17,244 18,415
Other temporary differences 7,905 7,228
Total gross deferred tax liabilities 213,850 207,363
Valuation allowance 465,048 456,751
Net deferred tax asset 835,543 924,756
PR    
Deferred tax assets:    
Tax credits available for carryforward 4,861 4,861
Net operating loss and other carryforward available 60,370 52,211
Postretirement and pension benefits 28,228 27,786
Allowance for credit losses 249,065 247,153
Deferred loan origination fees/cost 4,533  
Depreciation 7,700 7,700
FDIC-assisted transaction 152,665 152,665
Lease liability 28,040 25,167
Unrealized net loss on investment securities 179,530 252,411
Difference in outside basis from pass-through entities 53,182 50,144
Mortgage Servicing Rights 15,051 14,475
Other temporary differences 33,698 41,127
Total gross deferred tax assets 816,923 875,700
Deferred tax liabilities:    
Intangibles 91,503 88,351
Right of use assets 25,509 22,784
Deferred loan origination fees/cost   (1,880)
Loans acquired 17,244 18,415
Other temporary differences 7,476 6,799
Total gross deferred tax liabilities 141,732 134,469
Valuation allowance 78,134 69,837
Net deferred tax asset 597,057 671,394
US    
Deferred tax assets:    
Tax credits available for carryforward 38,382 24,728
Net operating loss and other carryforward available 584,546 610,279
Postretirement and pension benefits 0 0
Allowance for credit losses 28,482 24,415
Deferred loan origination fees/cost (2,844)  
Depreciation 7,742 7,229
FDIC-assisted transaction 0 0
Lease liability 18,572 16,451
Unrealized net loss on investment securities 14,083 20,996
Difference in outside basis from pass-through entities 0 0
Mortgage Servicing Rights 0 0
Other temporary differences 8,555 9,072
Total gross deferred tax assets 697,518 713,170
Deferred tax liabilities:    
Intangibles 55,023 55,926
Right of use assets 16,666 14,454
Deferred loan origination fees/cost   2,085
Loans acquired 0 0
Other temporary differences 429 429
Total gross deferred tax liabilities 72,118 72,894
Valuation allowance 386,914 386,914
Net deferred tax asset $ 238,486 $ 253,362