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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Credit Ratings (Detail) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | $ 1,278,309 | $ 1,515,239
Fiscal year before current year | 1,324,745 | 1,599,431
Two years before current year | 1,284,667 | 786,506
Three years before current year | 640,788 | 1,055,134
Four years before current year | 858,690 | 578,390
Prior | 1,462,384 | 1,130,969
Revolving loans amortized cost basis | 922,559 | 909,699
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 7,772,142 | 7,575,368
Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 5,897,634 | 5,960,549
Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 1,874,508 | 1,614,819
Commercial loans and leases receivable | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 759,472 | 1,188,773
Fiscal year before current year | 869,048 | 791,958
Two years before current year | 759,360 | 663,454
Three years before current year | 553,720 | 1,038,646
Four years before current year | 848,301 | 538,340
Prior | 1,303,565 | 994,535
Revolving loans amortized cost basis | 804,168 | 744,843
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 5,897,634 | 5,960,549
Multi-family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 1,497,485 | 1,761,301
Multi-family | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 89,905 | 150,835
Fiscal year before current year | 135,133 | 23,716
Two years before current year | 23,427 | 299,319
Three years before current year | 243,767 | 590,608
Four years before current year | 432,428 | 245,946
Prior | 572,825 | 450,877
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,497,485 | 1,761,301
Multi-family | Pass | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 89,905 | 150,835
Fiscal year before current year | 135,133 | 23,716
Two years before current year | 23,427 | 299,319
Three years before current year | 243,767 | 535,510
Four years before current year | 378,768 | 227,296
Prior | 534,970 | 420,809
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,405,970 | 1,657,485
Multi-family | Special mention | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 20,901
Four years before current year | 12,100 | 10,394
Prior | 8,979 | 26,708
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 21,079 | 58,003
Multi-family | Substandard | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 34,197
Four years before current year | 41,560 | 8,256
Prior | 28,876 | 3,360
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 70,436 | 45,813
Multi-family | Doubtful | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year |  | 0
Prior |  | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 2,360,656 | 2,289,441
Commercial and industrial | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 452,791 | 752,438
Fiscal year before current year | 432,240 | 381,057
Two years before current year | 333,984 | 161,444
Three years before current year | 120,521 | 122,807
Four years before current year | 108,715 | 54,201
Prior | 109,858 | 74,245
Revolving loans amortized cost basis | 802,547 | 743,249
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 2,360,656 | 2,289,441
Commercial and industrial | Pass | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 433,908 | 729,270
Fiscal year before current year | 417,713 | 373,050
Two years before current year | 320,158 | 141,943
Three years before current year | 102,737 | 116,793
Four years before current year | 101,552 | 45,367
Prior | 102,040 | 71,502
Revolving loans amortized cost basis | 780,892 | 717,007
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 2,259,000 | 2,194,932
Commercial and industrial | Special mention | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 18,883 | 13,200
Fiscal year before current year | 4,335 | 1,117
Two years before current year | 6,364 | 436
Three years before current year | 214 | 113
Four years before current year |  | 516
Prior | 234 | 21
Revolving loans amortized cost basis | 14,333 | 17,524
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 44,363 | 32,927
Commercial and industrial | Substandard | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 9,968
Fiscal year before current year | 10,192 | 6,890
Two years before current year | 7,462 | 19,065
Three years before current year | 17,570 | 5,901
Four years before current year | 7,163 | 8,318
Prior | 7,584 | 2,722
Revolving loans amortized cost basis | 7,322 | 8,718
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 57,293 | 61,582
Commercial and industrial | Doubtful | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior |  | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Commercial real estate owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 653,649 | 572,338
Commercial real estate owner occupied | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 121,180 | 82,343
Fiscal year before current year | 83,122 | 176,289
Two years before current year | 172,012 | 82,114
Three years before current year | 70,848 | 80,040
Four years before current year | 71,626 | 48,741
Prior | 134,189 | 102,070
Revolving loans amortized cost basis | 672 | 741
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 653,649 | 572,338
Commercial real estate owner occupied | Pass | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 121,180 | 82,343
Fiscal year before current year | 83,122 | 168,977
Two years before current year | 164,925 | 72,615
Three years before current year | 60,990 | 70,642
Four years before current year | 60,542 | 46,510
Prior | 122,010 | 91,798
Revolving loans amortized cost basis | 672 | 741
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 613,441 | 533,626
Commercial real estate owner occupied | Special mention | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 4,464
Two years before current year | 0 | 0
Three years before current year | 320 | 9,056
Four years before current year | 2,072 | 0
Prior | 588 | 555
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 2,980 | 14,075
Commercial real estate owner occupied | Substandard | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 2,848
Two years before current year | 7,087 | 9,499
Three years before current year | 9,538 | 342
Four years before current year | 9,012 | 2,231
Prior | 11,591 | 9,717
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 37,228 | 24,637
Commercial real estate owner occupied | Doubtful | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Commercial real estate non-owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 1,206,646 | 1,196,564
Commercial real estate non-owner occupied | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 92,285 | 183,225
Fiscal year before current year | 180,908 | 105,430
Two years before current year | 107,104 | 115,623
Three years before current year | 113,689 | 245,191
Four years before current year | 235,532 | 179,752
Prior | 477,128 | 367,343
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,206,646 | 1,196,564
Commercial real estate non-owner occupied | Pass | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 92,285 | 143,231
Fiscal year before current year | 158,983 | 105,430
Two years before current year | 95,875 | 97,882
Three years before current year | 68,193 | 157,835
Four years before current year | 115,452 | 155,168
Prior | 395,022 | 313,559
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 925,810 | 973,105
Commercial real estate non-owner occupied | Special mention | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 39,994
Fiscal year before current year | 21,925 | 0
Two years before current year | 11,229 | 0
Three years before current year | 22,002 | 66,745
Four years before current year | 99,469 | 24,218
Prior | 43,573 | 14,613
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 198,198 | 145,570
Commercial real estate non-owner occupied | Substandard | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 17,741
Three years before current year | 23,494 | 20,611
Four years before current year | 20,611 | 366
Prior | 38,533 | 39,171
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 82,638 | 77,889
Commercial real estate non-owner occupied | Doubtful | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 |
Three years before current year |  | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 179,198 | 140,905
Construction | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 3,311 | 19,932
Fiscal year before current year | 37,645 | 105,466
Two years before current year | 122,833 | 4,954
Three years before current year | 4,895 | 0
Four years before current year | 0 | 9,700
Prior | 9,565 | 0
Revolving loans amortized cost basis | 949 | 853
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 179,198 | 140,905
Construction | Pass | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 3,311 | 19,932
Fiscal year before current year | 36,135 | 105,466
Two years before current year | 122,833 | 4,954
Three years before current year | 4,895 | 0
Four years before current year | 0 | 9,700
Prior | 9,565 | 0
Revolving loans amortized cost basis | 949 | 853
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 177,688 | 140,905
Construction | Special mention | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 1,510 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,510 | 0
Construction | Substandard | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Construction | Doubtful | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 0 | 0
Consumer loans | Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 518,837 | 326,466
Fiscal year before current year | 455,697 | 807,473
Two years before current year | 525,307 | 123,052
Three years before current year | 87,068 | 16,488
Four years before current year | 10,389 | 40,050
Prior | 158,819 | 136,434
Revolving loans amortized cost basis | 118,391 | 164,856
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,874,508 | 1,614,819
Residential real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 266,911 | 317,170
Residential real estate | Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 2,961 | 6,708
Fiscal year before current year | 10,493 | 13,617
Two years before current year | 14,186 | 6,970
Three years before current year | 12,787 | 11,635
Four years before current year | 7,638 | 39,493
Prior | 100,455 | 73,891
Revolving loans amortized cost basis | 118,391 | 164,856
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 266,911 | 317,170
Residential real estate | Consumer | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 2,961 | 6,708
Fiscal year before current year | 10,493 | 13,617
Two years before current year | 14,089 | 6,810
Three years before current year | 11,887 | 10,850
Four years before current year | 6,861 | 38,143
Prior | 95,687 | 69,496
Revolving loans amortized cost basis | 116,081 | 161,576
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 258,059 | 307,200
Residential real estate | Consumer | Non-performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 97 | 160
Three years before current year | 900 | 785
Four years before current year | 777 | 1,350
Prior | 4,768 | 4,395
Revolving loans amortized cost basis | 2,310 | 3,280
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 8,852 | 9,970
Manufactured housing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 57,904 | 62,243
Manufactured housing | Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 295
Two years before current year | 296 | 609
Three years before current year | 385 | 76
Four years before current year | 76 | 41
Prior | 57,147 | 61,222
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 57,904 | 62,243
Manufactured housing | Consumer | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 295
Two years before current year | 296 | 609
Three years before current year | 385 | 76
Four years before current year | 76 | 41
Prior | 52,180 | 56,837
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 52,937 | 57,858
Manufactured housing | Consumer | Non-performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 0 | 0
Fiscal year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 4,967 | 4,385
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 4,967 | 4,385
Installment |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans and leases receivable | 1,549,693 | 1,235,406
Installment | Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 515,876 | 319,758
Fiscal year before current year | 445,204 | 793,561
Two years before current year | 510,825 | 115,473
Three years before current year | 73,896 | 4,777
Four years before current year | 2,675 | 516
Prior | 1,217 | 1,321
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,549,693 | 1,235,406
Installment | Consumer | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 515,870 | 319,453
Fiscal year before current year | 444,610 | 791,235
Two years before current year | 509,216 | 114,988
Three years before current year | 73,677 | 4,736
Four years before current year | 2,668 | 514
Prior | 1,167 | 1,204
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | 1,547,208 | 1,232,130
Installment | Consumer | Non-performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current year | 6 | 305
Fiscal year before current year | 594 | 2,326
Two years before current year | 1,609 | 485
Three years before current year | 219 | 41
Four years before current year | 7 | 2
Prior | 50 | 117
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans and leases receivable | $ 2,485 | $ 3,276

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