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Loans Receivable and Allowance for Credit Losses (Summary of Activities in Allowance for Credit Losses) (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Allowance for loan losses |  |
Allowance, beginning of period | $ 358,287,000 |
Provision for (reversal of ) credit losses | 73,870,000 | $ 22,579,000
Gross Charge-offs | 0 | (73,000)
Allowance, end of period | 557,003,000 | 317,894,000
Commercial and industrial (“C&I”) |  |
Allowance for loan losses |  |
Gross Charge-offs | (12,000,000.0) |
Allowance, end of period | 416,000 |
Unfunded Credit Commitments |  |
Allowance for loan losses |  |
Provision for (reversal of ) credit losses | (786,000) | 1,939,000
Allowance for unfunded credit commitments, beginning of period | 11,158,000 | 12,566,000
Allowance for unfunded credit commitments, ending of period | 20,829,000 | 14,505,000
Commercial lending | Commercial and industrial (“C&I”) |  |
Allowance for loan losses |  |
Allowance, beginning of period | 238,376,000 |
Provision for (reversal of ) credit losses | 60,618,000 |
Gross Charge-offs | (11,977,000) |
Gross recoveries | 1,575,000 |
Total net charge-offs | (10,402,000) |
Foreign currency translation adjustments | (200,000) |
Allowance, end of period | 362,629,000 |
Commercial lending | Commercial real estate (“CRE”) |  |
Allowance for loan losses |  |
Allowance, beginning of period | 40,509,000 |
Provision for (reversal of ) credit losses | 11,435,000 |
Gross Charge-offs | (954,000) |
Gross recoveries | 9,660,000 |
Total net charge-offs | 8,706,000 |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 132,819,000 |
Commercial lending | Real estate loan | Multifamily residential |  |
Allowance for loan losses |  |
Allowance, beginning of period | 22,826,000 |
Provision for (reversal of ) credit losses | 1,281,000 |
Gross Charge-offs | 0 |
Gross recoveries | 535,000 |
Total net charge-offs | 535,000 |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 16,530,000 |
Commercial lending | Construction and land |  |
Allowance for loan losses |  |
Allowance, beginning of period | 19,404,000 |
Provision for (reversal of ) credit losses | 1,482,000 |
Gross Charge-offs | 0 |
Gross recoveries | 21,000 |
Total net charge-offs | 21,000 |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 11,018,000 |
Consumer lending | Other consumer |  |
Allowance for loan losses |  |
Allowance, beginning of period | 3,380,000 |
Provision for (reversal of ) credit losses | (2,272,000) |
Gross Charge-offs | (26,000) |
Gross recoveries | 1,000 |
Total net charge-offs | (25,000) |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 3,304,000 |
Consumer lending | Real estate loan | Single-family residential |  |
Allowance for loan losses |  |
Allowance, beginning of period | 28,527,000 |
Provision for (reversal of ) credit losses | 1,700,000 |
Gross Charge-offs | 0 |
Gross recoveries | 265,000 |
Total net charge-offs | 265,000 |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 26,822,000 |
Consumer lending | HELOCs |  |
Allowance for loan losses |  |
Allowance, beginning of period | 5,265,000 |
Provision for (reversal of ) credit losses | 412,000 |
Gross Charge-offs | 0 |
Gross recoveries | 2,000 |
Total net charge-offs | 2,000 |
Foreign currency translation adjustments | 0 |
Allowance, end of period | 3,881,000 |
Non-PCI Loans |  |
Allowance for loan losses |  |
Allowance, beginning of period | 358,287,000 | 311,300,000
Provision for (reversal of ) credit losses |  | 20,648,000
Gross Charge-offs |  | (17,258,000)
Gross recoveries |  | 2,821,000
Total net charge-offs |  | (14,437,000)
Foreign currency translation adjustments |  | 369,000
Allowance, end of period |  | 317,880,000
Non-PCI Loans | Commercial lending | Commercial and industrial (“C&I”) |  |
Allowance for loan losses |  |
Gross Charge-offs |  | (17,244,000)
Gross recoveries |  | 2,251,000
Non-PCI Loans | Commercial lending | Commercial real estate (“CRE”) |  |
Allowance for loan losses |  |
Gross recoveries |  | 222,000
Non-PCI Loans | Commercial lending | Real estate loan | Multifamily residential |  |
Allowance for loan losses |  |
Gross recoveries |  | 281,000
Non-PCI Loans | Commercial lending | Construction and land |  |
Allowance for loan losses |  |
Gross recoveries |  | 63,000
Non-PCI Loans | Commercial lending | Total CRE |  |
Allowance for loan losses |  |
Gross recoveries |  | 566,000
Non-PCI Loans | Consumer lending | Other consumer |  |
Allowance for loan losses |  |
Gross Charge-offs |  | (14,000)
Non-PCI Loans | Consumer lending | Real estate loan | Single-family residential |  |
Allowance for loan losses |  |
Gross recoveries |  | 2,000
Non-PCI Loans | Consumer lending | HELOCs |  |
Allowance for loan losses |  |
Gross recoveries |  | 2,000
Non-PCI Loans | Consumer lending | Total residential mortgage |  |
Allowance for loan losses |  |
Gross recoveries |  | 4,000
PCI Loans |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 | 22,000
Provision for (reversal of ) credit losses |  | (8,000)
Allowance, end of period |  | $ 14,000
PCI Loans | Commercial lending | Commercial and industrial (“C&I”) |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Commercial lending | Commercial real estate (“CRE”) |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Commercial lending | Real estate loan | Multifamily residential |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Commercial lending | Construction and land |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Consumer lending | Other consumer |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Consumer lending | Real estate loan | Single-family residential |  |
Allowance for loan losses |  |
Allowance, beginning of period | 0 |
PCI Loans | Consumer lending | HELOCs |  |
Allowance for loan losses |  |
Allowance, beginning of period | $ 0 |

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- Definition Amount of foreign currency translation gain (loss) which (increases) decreases allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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