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Loans Receivable and Allowance for Credit Losses (Allowance for Loan Losses and Recorded Investments) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Jun. 30, 2020 | Dec. 31, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | $ 618,252 |  | $ 618,252 |  |  | $ 358,287 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 37,437,129 |  | 37,437,129 |  |  | 34,778,539 |  |
Provision for (reversal of) credit losses | 10,000 | $ 38,284 | 186,313 | $ 80,108 |  |  |  |
Commercial lending |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 27,978,692 |  | 27,978,692 |  |  | 25,914,252 |  |
Commercial lending | Commercial and industrial (“C&I”) |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 389,021 | 218,869 | 389,021 | 218,869 | $ 380,723 | 238,376 | $ 205,503 | $ 189,117
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 13,305,024 |  | 13,305,024 |  |  | 12,150,931 |  |
Provision for (reversal of) credit losses | 31,691 | 37,281 | 130,171 | 78,685 |  |  |  |
Total net (charge-offs) recoveries | 23,893 | 23,450 | 54,071 | 48,475 |  |  |  |
Commercial lending | Commercial real estate (“CRE”) |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 166,810 | 37,473 | 166,810 | 37,473 | 176,040 | 40,509 | 39,811 | 40,666
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 11,037,987 |  | 11,037,987 |  |  | 10,278,448 |  |
Provision for (reversal of) credit losses | (8,301) | (3,213) | 46,449 | (6,127) |  |  |  |
Total net (charge-offs) recoveries | 929 | (875) | (7,683) | (2,934) |  |  |  |
Commercial lending | Real estate loan | Multifamily residential |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 23,807 | 20,307 | 23,807 | 20,307 | 25,058 | 22,826 | 19,280 | 19,885
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 3,057,274 |  | 3,057,274 |  |  | 2,856,374 |  |
Provision for (reversal of) credit losses | (1,916) | 985 | 7,273 | 46 |  |  |  |
Total net (charge-offs) recoveries | (665) | (42) | (1,820) | (376) |  |  |  |
Commercial lending | Construction and land |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 10,401 | 29,171 | 10,401 | 29,171 | 18,551 | 19,404 | 22,961 | 20,290
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 578,407 |  | 578,407 |  |  | 628,499 |  |
Provision for (reversal of) credit losses | (8,180) | 6,189 | 828 | 8,358 |  |  |  |
Total net (charge-offs) recoveries | (30) | (21) | (58) | (523) |  |  |  |
Consumer lending |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 9,458,437 |  | 9,458,437 |  |  | 8,864,287 |  |
Consumer lending | Real estate loan | Single-family residential |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 22,622 | 29,935 | 22,622 | 29,935 | 25,314 | 28,527 | 32,763 | 31,340
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 7,785,759 |  | 7,785,759 |  |  | 7,108,590 |  |
Provision for (reversal of) credit losses | (2,692) | (2,877) | (2,659) | (1,528) |  |  |  |
Total net (charge-offs) recoveries | 0 | (49) | (424) | (123) |  |  |  |
Consumer lending | HELOCs |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 3,273 | 5,856 | 3,273 | 5,856 | 3,867 | 5,265 | 6,177 | 5,774
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 1,514,388 |  | 1,514,388 |  |  | 1,472,783 |  |
Provision for (reversal of) credit losses | (637) | (326) | (20) | 75 |  |  |  |
Total net (charge-offs) recoveries | (43) | (5) | 174 | (7) |  |  |  |
Consumer lending | Other consumer |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 2,318 | 3,965 | 2,318 | 3,965 | 2,518 | 3,380 | 4,130 | 4,250
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment | 158,290 |  | 158,290 |  |  | 282,914 |  |
Provision for (reversal of) credit losses | (76) | (160) | (3,197) | (259) |  |  |  |
Total net (charge-offs) recoveries | 124 | 5 | 86 | 26 |  |  |  |
Commercial and consumer lending |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses | 618,252 | 345,576 | 618,252 | 345,576 | $ 632,071 | 358,287 | $ 330,625 | $ 311,322
Recorded investment in loans |  |  |  |  |  |  |  |
Provision for (reversal of) credit losses | 9,889 | 37,879 | 178,845 | 79,250 |  |  |  |
Total net (charge-offs) recoveries | $ 24,208 | $ 22,463 | $ 44,346 | $ 44,538 |  |  |  |
Non-PCI Loans |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 5,593 |  |
Collectively evaluated for impairment |  |  |  |  |  | 352,694 |  |
Allowance for loan losses |  |  |  |  |  | 358,287 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 198,117 |  |
Collectively evaluated for impairment |  |  |  |  |  | 34,357,551 |  |
Loans held-for-investment |  |  |  |  |  | 34,555,668 |  |
Non-PCI Loans | Commercial lending |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 3,033 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 25,777,039 |  |
Non-PCI Loans | Commercial lending | Commercial and industrial (“C&I”) |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 2,881 |  |
Collectively evaluated for impairment |  |  |  |  |  | 235,495 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 114,042 |  |
Collectively evaluated for impairment |  |  |  |  |  | 12,035,079 |  |
Loans held-for-investment |  |  |  |  |  | 12,149,121 |  |
Non-PCI Loans | Commercial lending | Commercial real estate (“CRE”) |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 97 |  |
Collectively evaluated for impairment |  |  |  |  |  | 40,412 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 21,618 |  |
Collectively evaluated for impairment |  |  |  |  |  | 10,143,629 |  |
Loans held-for-investment |  |  |  |  |  | 10,165,247 |  |
Non-PCI Loans | Commercial lending | Real estate loan | Multifamily residential |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 55 |  |
Collectively evaluated for impairment |  |  |  |  |  | 22,771 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 4,464 |  |
Collectively evaluated for impairment |  |  |  |  |  | 2,829,748 |  |
Loans held-for-investment |  |  |  |  |  | 2,834,212 |  |
Non-PCI Loans | Commercial lending | Construction and land |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  |
Collectively evaluated for impairment |  |  |  |  |  | 19,404 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 19,691 |  |
Collectively evaluated for impairment |  |  |  |  |  | 608,768 |  |
Loans held-for-investment |  |  |  |  |  | 628,459 |  |
Non-PCI Loans | Consumer lending |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 2,560 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 8,778,629 |  |
Non-PCI Loans | Consumer lending | Real estate loan | Single-family residential |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 35 |  |
Collectively evaluated for impairment |  |  |  |  |  | 28,492 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 22,211 |  |
Collectively evaluated for impairment |  |  |  |  |  | 7,006,768 |  |
Loans held-for-investment |  |  |  |  |  | 7,028,979 |  |
Non-PCI Loans | Consumer lending | HELOCs |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 8 |  |
Collectively evaluated for impairment |  |  |  |  |  | 5,257 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 13,574 |  |
Collectively evaluated for impairment |  |  |  |  |  | 1,453,162 |  |
Loans held-for-investment |  |  |  |  |  | 1,466,736 |  |
Non-PCI Loans | Consumer lending | Other consumer |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 2,517 |  |
Collectively evaluated for impairment |  |  |  |  |  | 863 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 2,517 |  |
Collectively evaluated for impairment |  |  |  |  |  | 280,397 |  |
Loans held-for-investment |  |  |  |  |  | 282,914 |  |
PCI Loans |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  | 0 |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 222,871 |  |
PCI Loans | Commercial lending |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 137,213 |  |
PCI Loans | Commercial lending | Commercial and industrial (“C&I”) |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 1,810 |  |
PCI Loans | Commercial lending | Commercial real estate (“CRE”) |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 113,201 |  |
PCI Loans | Commercial lending | Real estate loan | Multifamily residential |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 22,162 |  |
PCI Loans | Commercial lending | Construction and land |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 40 |  |
PCI Loans | Consumer lending |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 85,658 |  |
PCI Loans | Consumer lending | Real estate loan | Single-family residential |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 79,611 |  |
PCI Loans | Consumer lending | HELOCs |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | 6,047 |  |
PCI Loans | Consumer lending | Other consumer |  |  |  |  |  |  |  |
Recorded investment in loans |  |  |  |  |  |  |  |
Loans held-for-investment |  |  |  |  |  | $ 0 |  |

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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