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Loans and allowance for credit losses - Amortized Cost Basis by Origination Year (Details) $ in Thousands | Sep. 30, 2020 USD ($)
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Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | $ 1,251,350
2019 | 1,363,764
2018 | 961,417
2017 | 768,142
2016 | 680,590
Prior | 968,015
Revolving Loans Amortized Cost Basis | 1,220,260
Total | 7,213,538
Commercial and industrial |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 403,183
2019 | 192,294
2018 | 93,221
2017 | 63,417
2016 | 45,955
Prior | 58,974
Revolving Loans Amortized Cost Basis | 560,627
Total | 1,417,671
Construction |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 312,399
2019 | 450,222
2018 | 120,550
2017 | 63,799
2016 | 43,935
Prior | 84,079
Revolving Loans Amortized Cost Basis | 115,894
Total | 1,190,878
Residential real estate: | 1-to-4 family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 234,037
2019 | 205,439
2018 | 195,063
2017 | 187,433
2016 | 125,791
Prior | 192,848
Revolving Loans Amortized Cost Basis | 0
Total | 1,140,611
Residential real estate: | Residential line of credit |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 363
2019 | 1
2018 | 87
2017 | 3
2016 | 208
Prior | 3,577
Revolving Loans Amortized Cost Basis | 416,079
Total | 420,318
Residential real estate: | Multi-family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 23,747
2019 | 15,055
2018 | 12,629
2017 | 54,660
2016 | 11,718
Prior | 36,869
Revolving Loans Amortized Cost Basis | 11,259
Total | 165,937
Residential real estate: | Non-owner occupied |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 108,229
2019 | 255,182
2018 | 378,336
2017 | 245,958
2016 | 315,094
Prior | 298,551
Revolving Loans Amortized Cost Basis | 43,050
Total | 1,644,400
Commercial real estate: |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 103,851
2019 | 186,859
2018 | 116,870
2017 | 122,085
2016 | 92,172
Prior | 249,038
Revolving Loans Amortized Cost Basis | 54,112
Total | 924,987
Consumer and other |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 65,541
2019 | 58,712
2018 | 44,661
2017 | 30,787
2016 | 45,717
Prior | 44,079
Revolving Loans Amortized Cost Basis | 19,239
Total | 308,736
Pass |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 1,240,589
2019 | 1,340,084
2018 | 890,485
2017 | 672,770
2016 | 622,002
Prior | 835,442
Revolving Loans Amortized Cost Basis | 1,154,858
Total | 6,756,230
Pass | Commercial and industrial |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 399,906
2019 | 186,100
2018 | 69,916
2017 | 53,213
2016 | 33,976
Prior | 45,860
Revolving Loans Amortized Cost Basis | 511,111
Total | 1,300,082
Pass | Construction |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 311,117
2019 | 448,019
2018 | 110,473
2017 | 49,845
2016 | 41,750
Prior | 75,570
Revolving Loans Amortized Cost Basis | 115,894
Total | 1,152,668
Pass | Residential real estate: | 1-to-4 family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 232,248
2019 | 203,167
2018 | 188,471
2017 | 170,725
2016 | 119,327
Prior | 168,732
Revolving Loans Amortized Cost Basis | 0
Total | 1,082,670
Pass | Residential real estate: | Residential line of credit |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 254
2019 | 0
2018 | 87
2017 | 0
2016 | 208
Prior | 3,577
Revolving Loans Amortized Cost Basis | 405,767
Total | 409,893
Pass | Residential real estate: | Multi-family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 23,747
2019 | 15,055
2018 | 12,629
2017 | 54,660
2016 | 11,718
Prior | 36,812
Revolving Loans Amortized Cost Basis | 11,259
Total | 165,880
Pass | Residential real estate: | Non-owner occupied |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 108,229
2019 | 248,852
2018 | 360,309
2017 | 218,431
2016 | 291,626
Prior | 250,806
Revolving Loans Amortized Cost Basis | 43,005
Total | 1,521,258
Pass | Commercial real estate: |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 99,827
2019 | 181,214
2018 | 106,212
2017 | 97,689
2016 | 81,383
Prior | 221,365
Revolving Loans Amortized Cost Basis | 49,382
Total | 837,072
Pass | Consumer and other |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 65,261
2019 | 57,677
2018 | 42,388
2017 | 28,207
2016 | 42,014
Prior | 32,720
Revolving Loans Amortized Cost Basis | 18,440
Total | 286,707
Watch |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 9,530
2019 | 16,282
2018 | 33,490
2017 | 80,772
2016 | 49,430
Prior | 95,905
Revolving Loans Amortized Cost Basis | 44,913
Total | 330,322
Watch | Commercial and industrial |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 3,236
2019 | 3,034
2018 | 6,283
2017 | 3,652
2016 | 11,293
Prior | 6,245
Revolving Loans Amortized Cost Basis | 36,083
Total | 69,826
Watch | Construction |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 1,282
2019 | 1,231
2018 | 9,435
2017 | 13,822
2016 | 1,305
Prior | 3,585
Revolving Loans Amortized Cost Basis | 0
Total | 30,660
Watch | Residential real estate: | 1-to-4 family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 1,257
2019 | 786
2018 | 3,318
2017 | 12,580
2016 | 4,155
Prior | 14,506
Revolving Loans Amortized Cost Basis | 0
Total | 36,602
Watch | Residential real estate: | Residential line of credit |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 5,205
Total | 5,205
Watch | Residential real estate: | Multi-family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 0
Total | 0
Watch | Residential real estate: | Non-owner occupied |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 6,181
2018 | 5,897
2017 | 26,361
2016 | 21,775
Prior | 43,984
Revolving Loans Amortized Cost Basis | 45
Total | 104,243
Watch | Commercial real estate: |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 3,596
2019 | 4,343
2018 | 6,843
2017 | 22,939
2016 | 7,858
Prior | 19,233
Revolving Loans Amortized Cost Basis | 3,188
Total | 68,000
Watch | Consumer and other |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 159
2019 | 707
2018 | 1,714
2017 | 1,418
2016 | 3,044
Prior | 8,352
Revolving Loans Amortized Cost Basis | 392
Total | 15,786
Substandard |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 1,196
2019 | 7,104
2018 | 37,147
2017 | 14,056
2016 | 8,692
Prior | 35,819
Revolving Loans Amortized Cost Basis | 20,066
Total | 124,080
Substandard | Commercial and industrial |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 6
2019 | 3,160
2018 | 17,022
2017 | 6,552
2016 | 686
Prior | 6,869
Revolving Loans Amortized Cost Basis | 13,269
Total | 47,564
Substandard | Construction |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 972
2018 | 642
2017 | 132
2016 | 880
Prior | 4,919
Revolving Loans Amortized Cost Basis | 0
Total | 7,545
Substandard | Residential real estate: | 1-to-4 family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 532
2019 | 1,452
2018 | 3,274
2017 | 4,128
2016 | 2,039
Prior | 9,120
Revolving Loans Amortized Cost Basis | 0
Total | 20,545
Substandard | Residential real estate: | Residential line of credit |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 109
2019 | 1
2018 | 0
2017 | 3
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 4,848
Total | 4,961
Substandard | Residential real estate: | Multi-family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 57
Revolving Loans Amortized Cost Basis | 0
Total | 57
Substandard | Residential real estate: | Non-owner occupied |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 149
2018 | 12,130
2017 | 1,166
2016 | 1,693
Prior | 3,761
Revolving Loans Amortized Cost Basis | 0
Total | 18,899
Substandard | Commercial real estate: |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 428
2019 | 1,302
2018 | 3,815
2017 | 1,457
2016 | 2,931
Prior | 8,440
Revolving Loans Amortized Cost Basis | 1,542
Total | 19,915
Substandard | Consumer and other |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 121
2019 | 68
2018 | 264
2017 | 618
2016 | 463
Prior | 2,653
Revolving Loans Amortized Cost Basis | 407
Total | 4,594
Doubtful |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 35
2019 | 294
2018 | 295
2017 | 544
2016 | 466
Prior | 849
Revolving Loans Amortized Cost Basis | 423
Total | 2,906
Doubtful | Commercial and industrial |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 35
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 164
Total | 199
Doubtful | Construction |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 5
Revolving Loans Amortized Cost Basis | 0
Total | 5
Doubtful | Residential real estate: | 1-to-4 family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 34
2018 | 0
2017 | 0
2016 | 270
Prior | 490
Revolving Loans Amortized Cost Basis | 0
Total | 794
Doubtful | Residential real estate: | Residential line of credit |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 259
Total | 259
Doubtful | Residential real estate: | Multi-family mortgage |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 0
Total | 0
Doubtful | Residential real estate: | Non-owner occupied |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 0
Total | 0
Doubtful | Commercial real estate: |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 0
2018 | 0
2017 | 0
2016 | 0
Prior | 0
Revolving Loans Amortized Cost Basis | 0
Total | 0
Doubtful | Consumer and other |
Financing Receivable, Allowance for Credit Loss [Line Items] |
2020 | 0
2019 | 260
2018 | 295
2017 | 544
2016 | 196
Prior | 354
Revolving Loans Amortized Cost Basis | 0
Total | $ 1,649

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