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Loans Receivable and Allowance for Credit Losses - Summary of Activities in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | $ 563,270 | $ 585,724 | $ 541,579 | $ 619,983
Provision for (reversal of) credit losses on loans | 27,274 | (11,735) | 51,995 | (19,474)
Gross charge-offs | (13,905) | (18,979) | (26,684) | (49,938)
Gross recoveries | 7,264 | 5,465 | 18,363 | 9,743
Total net recoveries (charge-offs) | (6,641) | (13,514) | (8,321) | (40,195)
Foreign currency translation adjustment | (1,386) | (71) | (2,736) | 90
Allowance for loan losses, end of period | 582,517 | 560,404 | 582,517 | 560,404
Commercial lending | Commercial and industrial (“C&I”) |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 363,282 | 362,528 | 338,252 | 398,040
Provision for (reversal of) credit losses on loans | 9,575 | (23,364) | 37,867 | (42,127)
Gross charge-offs | (6,894) | (1,154) | (18,322) | (20,162)
Gross recoveries | 7,172 | 4,203 | 16,688 | 6,301
Total net recoveries (charge-offs) | 278 | 3,049 | (1,634) | (13,861)
Foreign currency translation adjustment | (1,386) | (71) | (2,736) | 90
Allowance for loan losses, end of period | 371,749 | 342,142 | 371,749 | 342,142
Commercial lending | Commercial real estate (“CRE”) |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 140,245 | 161,962 | 150,940 | 163,791
Provision for (reversal of) credit losses on loans | 5,299 | 2,129 | (5,013) | 11,227
Gross charge-offs | (288) | (14,229) | (1,357) | (25,558)
Gross recoveries | 45 | 187 | 731 | 589
Total net recoveries (charge-offs) | (243) | (14,042) | (626) | (24,969)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 145,301 | 150,049 | 145,301 | 150,049
Commercial lending | Residential loan | Multifamily residential |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 26,552 | 21,925 | 14,400 | 27,573
Provision for (reversal of) credit losses on loans | 5,047 | (2,660) | 16,680 | (9,436)
Gross charge-offs | (5,938) | 0 | (5,947) | (130)
Gross recoveries | 19 | 652 | 547 | 1,910
Total net recoveries (charge-offs) | (5,919) | 652 | (5,400) | 1,780
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 25,680 | 19,917 | 25,680 | 19,917
Commercial lending | Construction and land |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 6,682 | 15,643 | 15,468 | 10,239
Provision for (reversal of) credit losses on loans | 817 | 9,058 | (8,027) | 14,407
Gross charge-offs | 0 | (2,674) | 0 | (2,954)
Gross recoveries | 7 | 267 | 65 | 602
Total net recoveries (charge-offs) | 7 | (2,407) | 65 | (2,352)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 7,506 | 22,294 | 7,506 | 22,294
Consumer lending | Residential loan | Single-family residential |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 21,840 | 16,530 | 17,160 | 15,520
Provision for (reversal of) credit losses on loans | 6,182 | 2,537 | 10,569 | 3,522
Gross charge-offs | (775) | (912) | (775) | (1,046)
Gross recoveries | 16 | 137 | 309 | 296
Total net recoveries (charge-offs) | (759) | (775) | (466) | (750)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 27,263 | 18,292 | 27,263 | 18,292
Consumer lending | HELOCs |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 3,220 | 2,938 | 3,435 | 2,690
Provision for (reversal of) credit losses on loans | 99 | 435 | 59 | 707
Gross charge-offs | 0 | 0 | (193) | (45)
Gross recoveries | 5 | 19 | 23 | 40
Total net recoveries (charge-offs) | 5 | 19 | (170) | (5)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 3,324 | 3,392 | 3,324 | 3,392
Consumer lending | Other consumer |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 1,449 | 4,198 | 1,924 | 2,130
Provision for (reversal of) credit losses on loans | 255 | 130 | (140) | 2,226
Gross charge-offs | (10) | (10) | (90) | (43)
Gross recoveries | 0 | 0 | 0 | 5
Total net recoveries (charge-offs) | (10) | (10) | (90) | (38)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | $ 1,694 | $ 4,318 | $ 1,694 | $ 4,318

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