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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | $ 545,685 | $ 607,506 | $ 541,579 | $ 619,983
Provision for (reversal of) credit losses on loans | 12,469 | (8,790) | 24,721 | (7,739)
Gross charge-offs | (1,146) | (15,060) | (12,779) | (30,959)
Gross recoveries | 7,730 | 1,785 | 11,099 | 4,278
Total net recoveries (charge-offs) | 6,584 | (13,275) | (1,680) | (26,681)
Foreign currency translation adjustment | (1,468) | 283 | (1,350) | 161
Allowance for loan losses, end of period | 563,270 | 585,724 | 563,270 | 585,724
Commercial lending | Commercial and industrial (“C&I”) |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 339,446 | 394,084 | 338,252 | 398,040
Provision for (reversal of) credit losses on loans | 19,030 | (22,605) | 28,292 | (18,763)
Gross charge-offs | (240) | (10,572) | (11,428) | (19,008)
Gross recoveries | 6,514 | 1,338 | 9,516 | 2,098
Total net recoveries (charge-offs) | 6,274 | (9,234) | (1,912) | (16,910)
Foreign currency translation adjustment | (1,468) | 283 | (1,350) | 161
Allowance for loan losses, end of period | 363,282 | 362,528 | 363,282 | 362,528
Commercial lending | Commercial real estate (“CRE”) |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 147,104 | 146,399 | 150,940 | 163,791
Provision for (reversal of) credit losses on loans | (6,819) | 19,375 | (10,312) | 9,098
Gross charge-offs | (671) | (4,134) | (1,069) | (11,329)
Gross recoveries | 631 | 322 | 686 | 402
Total net recoveries (charge-offs) | (40) | (3,812) | (383) | (10,927)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 140,245 | 161,962 | 140,245 | 161,962
Commercial lending | Residential loan | Multifamily residential |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 24,176 | 27,407 | 14,400 | 27,573
Provision for (reversal of) credit losses on loans | 1,976 | (5,385) | 11,633 | (6,776)
Gross charge-offs | (8) | (113) | (9) | (130)
Gross recoveries | 408 | 16 | 528 | 1,258
Total net recoveries (charge-offs) | 400 | (97) | 519 | 1,128
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 26,552 | 21,925 | 26,552 | 21,925
Commercial lending | Construction and land |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 11,016 | 19,089 | 15,468 | 10,239
Provision for (reversal of) credit losses on loans | (4,338) | (3,243) | (8,844) | 5,349
Gross charge-offs | 0 | (209) | 0 | (280)
Gross recoveries | 4 | 6 | 58 | 335
Total net recoveries (charge-offs) | 4 | (203) | 58 | 55
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 6,682 | 15,643 | 6,682 | 15,643
Consumer lending | Residential loan | Single-family residential |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 18,210 | 15,839 | 17,160 | 15,520
Provision for (reversal of) credit losses on loans | 3,461 | 609 | 4,387 | 985
Gross charge-offs | 0 | 0 | 0 | (134)
Gross recoveries | 169 | 82 | 293 | 159
Total net recoveries (charge-offs) | 169 | 82 | 293 | 25
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 21,840 | 16,530 | 21,840 | 16,530
Consumer lending | HELOCs |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 3,748 | 2,670 | 3,435 | 2,690
Provision for (reversal of) credit losses on loans | (339) | 250 | (40) | 272
Gross charge-offs | (193) | 0 | (193) | (45)
Gross recoveries | 4 | 18 | 18 | 21
Total net recoveries (charge-offs) | (189) | 18 | (175) | (24)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | 3,220 | 2,938 | 3,220 | 2,938
Consumer lending | Other consumer |  |  |  |
Allowance for loan losses |  |  |  |
Allowance for loan losses, beginning of period | 1,985 | 2,018 | 1,924 | 2,130
Provision for (reversal of) credit losses on loans | (502) | 2,209 | (395) | 2,096
Gross charge-offs | (34) | (32) | (80) | (33)
Gross recoveries | 0 | 3 | 0 | 5
Total net recoveries (charge-offs) | (34) | (29) | (80) | (28)
Foreign currency translation adjustment | 0 | 0 | 0 | 0
Allowance for loan losses, end of period | $ 1,449 | $ 4,198 | $ 1,449 | $ 4,198

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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