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LOANS AND ALLOWANCE FOR LOAN LOSSES (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Loans Stated at Face Amount, Net of Unearned Income | Loans are stated at their face amount, net of deferred fees and costs, and consist of the following at December 31, 2020 and 2019 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 |  | 2019
Construction and Land Development | ​ | $ | 925,798 | ​ | $ | 1,250,924
Commercial Real Estate - Owner Occupied | ​ |  | 2,128,909 | ​ |  | 2,041,243
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,657,562 | ​ |  | 3,286,098
Multifamily Real Estate | ​ |  | 814,745 | ​ |  | 633,743
Commercial & Industrial(1) | ​ |  | 3,263,460 | ​ |  | 2,114,033
Residential 1-4 Family - Commercial | ​ |  | 671,949 | ​ |  | 724,337
Residential 1-4 Family - Consumer | ​ |  | 822,866 | ​ |  | 890,503
Residential 1-4 Family - Revolving | ​ |  | 596,996 | ​ |  | 659,504
Auto | ​ |  | 401,324 | ​ |  | 350,419
Consumer | ​ |  | 247,730 | ​ |  | 372,853
Other Commercial(1) | ​ |  | 489,975 | ​ |  | 287,279
Total loans held for investment, net of deferred fees and costs(2) | ​ | ​ | 14,021,314 | ​ | ​ | 12,610,936
Allowance for loan and lease losses | ​ | ​ | (160,540) | ​ | ​ | (42,294)
Total loans held for investment, net | ​ | $ | 13,860,774 | ​ | $ | 12,568,642
(1)Commercial & industrial and other commercial loans include approximately $1.2 billion and $11.3 million, respectively, in loans from the PPP loan program at December 31, 2020. (2)Total loans include unamortized premiums and discounts, and unamortized deferred fees and costs totaling $69.7 million and $69.8 million as of December 31, 2020 and December 31, 2019, respectively.
Summary of Aging of the Loan Portfolio by Class | The following table shows the aging of the Company’s loan portfolio, by class, at December 31, 2020 (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | ​ |  | Greater than |  | ​ | ​ |  | ​ | ​
​ | ​ | ​ | ​ | ​ | 30-59 Days | ​ | 60-89 Days | ​ | 90 Days and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Current | ​ | Past Due | ​ | Past Due | ​ | still Accruing | ​ | Nonaccrual | ​ | Total Loans
Construction and Land Development | ​ | $ | 920,276 | ​ | $ | 1,903 | ​ | $ | 547 | ​ | $ | — | ​ | $ | 3,072 | ​ | $ | 925,798
Commercial Real Estate - Owner Occupied | ​ |  | 2,114,804 | ​ |  | 1,870 | ​ |  | 1,380 | ​ |  | 3,727 | ​ |  | 7,128 | ​ |  | 2,128,909
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,651,232 | ​ |  | 2,144 | ​ |  | 1,721 | ​ |  | 148 | ​ |  | 2,317 | ​ |  | 3,657,562
Multifamily Real Estate | ​ |  | 814,095 | ​ |  | 617 | ​ |  | — | ​ |  | — | ​ |  | 33 | ​ |  | 814,745
Commercial & Industrial | ​ |  | 3,257,201 | ​ |  | 1,848 | ​ |  | 1,190 | ​ |  | 1,114 | ​ |  | 2,107 | ​ |  | 3,263,460
Residential 1-4 Family - Commercial | ​ |  | 657,351 | ​ |  | 2,227 | ​ |  | 818 | ​ |  | 1,560 | ​ |  | 9,993 | ​ |  | 671,949
Residential 1-4 Family - Consumer | ​ |  | 792,852 | ​ |  | 10,182 | ​ |  | 1,533 | ​ |  | 5,699 | ​ |  | 12,600 | ​ |  | 822,866
Residential 1-4 Family - Revolving | ​ |  | 587,522 | ​ |  | 2,975 | ​ |  | 1,044 | ​ |  | 826 | ​ |  | 4,629 | ​ |  | 596,996
Auto | ​ |  | 398,206 | ​ |  | 2,076 | ​ |  | 376 | ​ |  | 166 | ​ |  | 500 | ​ |  | 401,324
Consumer | ​ |  | 245,551 | ​ |  | 1,166 | ​ |  | 550 | ​ |  | 394 | ​ |  | 69 | ​ |  | 247,730
Other Commercial | ​ | ​ | 489,959 | ​ | ​ | 16 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 489,975
Total loans held for investment | ​ | $ | 13,929,049 | ​ | $ | 27,024 | ​ | $ | 9,159 | ​ | $ | 13,634 | ​ | $ | 42,448 | ​ | $ | 14,021,314
The following table shows the aging of the Company’s loan portfolio, by class, at December 31, 2019 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | Greater than |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
​ | ​ | 30-59 Days | ​ | 60-89 Days | ​ | 90 Days and | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Past Due | ​ | Past Due | ​ | still Accruing | ​ | PCI | ​ | Nonaccrual | ​ | Current | ​ | Total Loans
Construction and Land Development | ​ | $ | 4,563 | ​ | $ | 482 | ​ | $ | 189 | ​ | $ | 10,944 | ​ | $ | 3,703 | ​ | $ | 1,231,043 | ​ | $ | 1,250,924
Commercial Real Estate - Owner Occupied | ​ |  | 3,482 | ​ |  | 2,184 | ​ |  | 1,062 | ​ |  | 27,438 | ​ |  | 6,003 | ​ |  | 2,001,074 | ​ |  | 2,041,243
Commercial Real Estate - Non-Owner Occupied | ​ |  | 457 | ​ |  | — | ​ |  | 1,451 | ​ |  | 14,565 | ​ |  | 381 | ​ |  | 3,269,244 | ​ |  | 3,286,098
Multifamily Real Estate | ​ |  | 223 | ​ |  | — | ​ |  | 474 | ​ |  | 94 | ​ |  | — | ​ |  | 632,952 | ​ |  | 633,743
Commercial & Industrial | ​ |  | 8,698 | ​ |  | 1,598 | ​ |  | 449 | ​ |  | 1,579 | ​ |  | 1,735 | ​ |  | 2,099,974 | ​ |  | 2,114,033
Residential 1-4 Family - Commercial | ​ |  | 1,479 | ​ |  | 2,207 | ​ |  | 674 | ​ |  | 12,205 | ​ |  | 4,301 | ​ |  | 703,471 | ​ |  | 724,337
Residential 1-4 Family - Consumer | ​ |  | 16,244 | ​ |  | 3,072 | ​ |  | 4,515 | ​ |  | 14,713 | ​ |  | 9,292 | ​ |  | 842,667 | ​ |  | 890,503
Residential 1-4 Family - Revolving | ​ |  | 10,190 | ​ |  | 1,784 | ​ |  | 3,357 | ​ |  | 4,127 | ​ |  | 2,080 | ​ |  | 637,966 | ​ |  | 659,504
Auto | ​ |  | 2,525 | ​ |  | 236 | ​ |  | 272 | ​ |  | 4 | ​ |  | 563 | ​ |  | 346,819 | ​ |  | 350,419
Consumer | ​ |  | 2,128 | ​ |  | 1,233 | ​ |  | 953 | ​ |  | 668 | ​ |  | 77 | ​ |  | 367,794 | ​ |  | 372,853
Other Commercial | ​ | ​ | 464 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 344 | ​ | ​ | 97 | ​ | ​ | 286,374 | ​ | ​ | 287,279
Total loans held for investment | ​ | $ | 50,453 | ​ | $ | 12,796 | ​ | $ | 13,396 | ​ | $ | 86,681 | ​ | $ | 28,232 | ​ | $ | 12,419,378 | ​ | $ | 12,610,936
Summary of Loans on Nonaccrual Status | The following table shows the Company’s amortized cost basis of loans on nonaccrual status as of January 1, 2020 as well as amortized cost basis of loans on nonaccrual status and loans past due 90 days and still accruing as of December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nonaccrual | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | January 1, 2020 | ​ | December 31, 2020 | ​ | Nonaccrual With No ALLL | ​ | 90 Days and still Accruing
Construction and Land Development | ​ | $ | 4,060 | ​ | $ | 3,072 | ​ | $ | 1,985 | ​ | $ | —
Commercial Real Estate - Owner Occupied | ​ | ​ | 13,889 | ​ | ​ | 7,128 | ​ | ​ | 1,994 | ​ | ​ | 3,727
Commercial Real Estate - Non-Owner Occupied | ​ | ​ | 1,368 | ​ | ​ | 2,317 | ​ | ​ | — | ​ | ​ | 148
Multifamily Real Estate | ​ | ​ | — | ​ | ​ | 33 | ​ | ​ | — | ​ | ​ | —
Commercial & Industrial | ​ | ​ | 3,037 | ​ | ​ | 2,107 | ​ | ​ | 1 | ​ | ​ | 1,114
Residential 1-4 Family - Commercial | ​ | ​ | 6,492 | ​ | ​ | 9,993 | ​ | ​ | 6,388 | ​ | ​ | 1,560
Residential 1-4 Family - Consumer | ​ | ​ | 13,117 | ​ | ​ | 12,600 | ​ | ​ | 1,069 | ​ | ​ | 5,699
Residential 1-4 Family - Revolving | ​ | ​ | 2,490 | ​ | ​ | 4,629 | ​ | ​ | 60 | ​ | ​ | 826
Auto | ​ | ​ | 565 | ​ | ​ | 500 | ​ | ​ | — | ​ | ​ | 166
Consumer | ​ | ​ | 88 | ​ | ​ | 69 | ​ | ​ | — | ​ | ​ | 394
Other Commercial | ​ | ​ | 98 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total loans held for investment | ​ | $ | 45,204 | ​ | $ | 42,448 | ​ | $ | 11,497 | ​ | $ | 13,634
Impaired Loans by Class | As of December 31, 2019, the Company measured the amount of impairment by evaluating loans either in their collective homogeneous pools or individually. The following table shows the Company’s impaired loans, excluding PCI loans, by class at December 31, 2019 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019
​ |  | ​ | ​ |  | Unpaid |  | ​ | ​
​ | ​ | Recorded | ​ | Principal | ​ | Related
​ | ​ | Investment | ​ | Balance | ​ | Allowance
Loans without a specific allowance |  | ​ |  |  | ​ |  |  | ​ |
Construction and Land Development | ​ | $ | 5,877 | ​ | $ | 7,174 | ​ | $ | —
Commercial Real Estate - Owner Occupied | ​ |  | 8,801 | ​ |  | 9,296 | ​ |  | —
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,510 | ​ |  | 4,059 | ​ |  | —
Commercial & Industrial | ​ |  | 3,668 | ​ |  | 3,933 | ​ |  | —
Residential 1-4 Family - Commercial | ​ |  | 4,047 | ​ |  | 4,310 | ​ |  | —
Residential 1-4 Family - Consumer | ​ |  | 8,420 | ​ |  | 9,018 | ​ |  | —
Residential 1-4 Family - Revolving | ​ |  | 862 | ​ |  | 865 | ​ |  | —
Total impaired loans without a specific allowance | ​ | $ | 35,185 | ​ | $ | 38,655 | ​ | $ | —
Loans with a specific allowance | ​ |  |  | ​ |  |  | ​ |  |
Construction and Land Development | ​ | $ | 984 | ​ | $ | 1,032 | ​ | $ | 49
Commercial Real Estate - Owner Occupied | ​ |  | 2,820 | ​ |  | 3,093 | ​ |  | 146
Commercial Real Estate - Non-Owner Occupied | ​ |  | 335 | ​ |  | 383 | ​ |  | 2
Commercial & Industrial | ​ |  | 2,568 | ​ |  | 2,590 | ​ |  | 619
Residential 1-4 Family - Commercial | ​ |  | 1,726 | ​ |  | 1,819 | ​ |  | 162
Residential 1-4 Family - Consumer | ​ |  | 12,026 | ​ |  | 12,670 | ​ |  | 1,242
Residential 1-4 Family - Revolving | ​ |  | 2,186 | ​ |  | 2,369 | ​ |  | 510
Auto | ​ |  | 563 | ​ |  | 879 | ​ |  | 221
Consumer | ​ |  | 168 | ​ |  | 336 | ​ |  | 46
Other Commercial | ​ | ​ | 562 | ​ | ​ | 567 | ​ | ​ | 30
Total impaired loans with a specific allowance | ​ | $ | 23,938 | ​ | $ | 25,738 | ​ | $ | 3,027
Total impaired loans | ​ | $ | 59,123 | ​ | $ | 64,393 | ​ | $ | 3,027
​ ​ The following table shows the average recorded investment and interest income recognized for the Company’s impaired loans, excluding PCI loans, by class for the years ended December 31, 2019 and 2018 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019 | ​ | December 31, 2018
​ |  | ​ | ​ |  | Interest |  | ​ | ​ |  | Interest
​ | ​ | Average | ​ | Income | ​ | Average | ​ | Income
​ | ​ | Investment | ​ | Recognized | ​ | Investment | ​ | Recognized
Construction and Land Development | ​ | $ | 6,764 | ​ | $ | 110 | ​ | $ | 11,648 | ​ | $ | 234
Commercial Real Estate - Owner Occupied | ​ |  | 12,258 | ​ |  | 323 | ​ |  | 13,383 | ​ |  | 499
Commercial Real Estate - Non-Owner Occupied | ​ |  | 4,775 | ​ |  | 147 | ​ |  | 7,157 | ​ |  | 246
Commercial & Industrial | ​ |  | 6,438 | ​ |  | 293 | ​ |  | 4,672 | ​ |  | 232
Residential 1-4 Family - Commercial | ​ |  | 6,145 | ​ |  | 120 | ​ |  | 5,667 | ​ |  | 180
Residential 1-4 Family - Consumer | ​ |  | 20,963 | ​ |  | 308 | ​ |  | 16,977 | ​ |  | 236
Residential 1-4 Family - Revolving | ​ |  | 3,256 | ​ |  | 82 | ​ |  | 2,000 | ​ |  | 23
Auto | ​ |  | 788 | ​ |  | 15 | ​ |  | 824 | ​ |  | 20
Consumer | ​ |  | 187 | ​ |  | 5 | ​ |  | 263 | ​ |  | 5
Other Commercial | ​ | ​ | 584 | ​ | ​ | 22 | ​ | ​ | 486 | ​ | ​ | 27
Total impaired loans | ​ | $ | 62,158 | ​ | $ | 1,425 | ​ | $ | 63,077 | ​ | $ | 1,702
Summary of Modified Loans that Continue to Accrue Interest Under the Terms of Restructuring Agreement | The following table provides a summary, by class, of TDRs that continue to accrue interest under the terms of the applicable restructuring agreement, which are considered to be performing, and TDRs that have been placed on nonaccrual status, which are considered to be nonperforming, as of December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020
​ |  | No. of |  | Recorded |  | Outstanding
​ | ​ | Loans | ​ | Investment | ​ | Commitment
Performing |  |  |  | ​ |  |  | ​ |
Construction and Land Development |  | 4 | ​ | $ | 215 | ​ | $ | —
Commercial Real Estate - Owner Occupied |  | 6 | ​ |  | 2,033 | ​ |  | 176
Commercial Real Estate - Non-Owner Occupied |  | 1 | ​ |  | 1,089 | ​ |  | —
Commercial & Industrial |  | 4 | ​ |  | 727 | ​ |  | —
Residential 1-4 Family - Commercial |  | 3 | ​ |  | 245 | ​ |  | —
Residential 1-4 Family - Consumer |  | 77 | ​ |  | 8,943 | ​ |  | —
Residential 1-4 Family - Revolving |  | 3 | ​ |  | 277 | ​ |  | —
Consumer |  | 3 | ​ |  | 22 | ​ |  | —
Other Commercial | ​ | 1 | ​ | ​ | 410 | ​ | ​ | —
Total performing |  | 102 | ​ | $ | 13,961 | ​ | $ | 176
Nonperforming |  |  | ​ |  |  | ​ |  |
Commercial Real Estate - Owner Occupied |  | 1 | ​ | $ | 20 | ​ | $ | —
Commercial Real Estate - Non-Owner Occupied | ​ | 1 | ​ | ​ | 134 | ​ | ​ | —
Commercial & Industrial |  | 3 | ​ |  | 237 | ​ |  | —
Residential 1-4 Family - Commercial |  | 4 | ​ |  | 1,296 | ​ |  | —
Residential 1-4 Family - Consumer |  | 23 | ​ |  | 4,865 | ​ |  | —
Residential 1-4 Family - Revolving |  | 3 | ​ |  | 103 | ​ |  | —
Total nonperforming |  | 35 | ​ | $ | 6,655 | ​ | $ | —
Total performing and nonperforming |  | 137 | ​ | $ | 20,616 | ​ | $ | 176
The following table provides a summary, by class, of TDRs that continue to accrue interest under the terms of the applicable restructuring agreement, which are considered to be performing, and TDRs that have been placed in nonaccrual status, which are considered to be nonperforming, as of December 31, 2019 (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019
​ |  | No. of |  | Recorded |  | Outstanding
​ | ​ | Loans | ​ | Investment | ​ | Commitment
Performing |  |  |  | ​ |  |  | ​ |
Construction and Land Development |  | 4 | ​ | $ | 1,114 | ​ | $ | —
Commercial Real Estate - Owner Occupied |  | 6 | ​ |  | 2,228 | ​ |  | 26
Commercial Real Estate - Non-Owner Occupied |  | 1 | ​ |  | 1,089 | ​ |  | —
Commercial & Industrial |  | 4 | ​ |  | 1,020 | ​ |  | —
Residential 1-4 Family - Commercial |  | 5 | ​ |  | 290 | ​ |  | —
Residential 1-4 Family - Consumer |  | 69 | ​ |  | 9,396 | ​ |  | —
Residential 1-4 Family - Revolving |  | 2 | ​ |  | 56 | ​ |  | —
Consumer |  | 4 | ​ |  | 29 | ​ |  | —
Other Commercial | ​ | 1 | ​ | ​ | 464 | ​ | ​ | —
Total performing |  | 96 | ​ | $ | 15,686 | ​ | $ | 26
Nonperforming |  |  | ​ |  |  | ​ |  |
Commercial Real Estate - Owner Occupied |  | 2 | ​ | $ | 176 | ​ | $ | —
Commercial & Industrial |  | 1 | ​ |  | 55 | ​ |  | —
Residential 1-4 Family - Consumer |  | 19 | ​ |  | 3,522 | ​ |  | —
Residential 1-4 Family - Revolving |  | 2 | ​ |  | 57 | ​ |  | —
Total nonperforming |  | 24 | ​ | $ | 3,810 | ​ | $ | —
Total performing and nonperforming |  | 120 | ​ | $ | 19,496 | ​ | $ | 26
Schedule of TDR by Class and Modification Type | The following table shows, by class and modification type, TDRs that occurred during the year ended December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | All Restructurings
​ | ​ | 2020
​ |  | ​ |  | Recorded
​ | ​ | No. of | ​ | Investment at
​ | ​ | Loans | ​ | Period End
Modified to interest only, at a market rate |  |  |  | ​ |
Residential 1-4 Family - Commercial | ​ | 1 | ​ | $ | 644
Total interest only at market rate of interest |  | 1 | ​ | $ | 644
​ | ​ | ​ | ​ | ​ | ​
Term modification, at a market rate |  |  | ​ |  |
Commercial & Industrial |  | 3 | ​ | $ | 103
Residential 1-4 Family - Commercial |  | 1 | ​ | ​ | 294
Residential 1-4 Family - Consumer |  | 4 | ​ |  | 320
Consumer | ​ | 1 | ​ | ​ | 9
Total loan term extended at a market rate |  | 9 | ​ | $ | 726
​ | ​ | ​ | ​ | ​ | ​
Term modification, below market rate |  |  | ​ |  |
Construction and Land Development | ​ | 1 | ​ | $ | 34
Commercial & Industrial |  | 2 | ​ |  | 355
Residential 1-4 Family - Commercial | ​ | 1 | ​ | ​ | 287
Residential 1-4 Family - Consumer |  | 18 | ​ | ​ | 2,519
Residential 1-4 Family - Revolving |  | 2 | ​ |  | 275
Total loan term extended at a below market rate |  | 24 | ​ | $ | 3,470
​ | ​ | ​ | ​ | ​ | ​
Interest rate modification, below market rate |  |  | ​ |  |
Total interest only at below market rate of interest |  | — | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​
Total |  | 34 | ​ | $ | 4,840
The following table shows, by class and modification type, TDRs that occurred during the year ended December 31, 2019 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | All Restructurings
​ | ​ | 2019
​ |  | ​ |  | Recorded
​ | ​ | No. of | ​ | Investment at
​ | ​ | Loans | ​ | Period End
Modified to interest only, at a market rate |  |  |  | ​ |
Total interest only at market rate of interest |  | — | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​
Term modification, at a market rate |  |  | ​ |  |
Commercial & Industrial | ​ | 1 | ​ | $ | 376
Residential 1-4 Family - Commercial |  | 1 | ​ | ​ | 72
Residential 1-4 Family - Consumer |  | 7 | ​ |  | 1,688
Consumer |  | 3 | ​ |  | 24
Total loan term extended at a market rate |  | 12 | ​ | $ | 2,160
​ | ​ | ​ | ​ | ​ | ​
Term modification, below market rate |  |  | ​ |  |
Construction and Land Development | ​ | 3 | ​ | $ | 193
Residential 1-4 Family - Consumer |  | 22 | ​ | ​ | 2,658
Consumer | ​ | 1 | ​ | ​ | 5
Total loan term extended at a below market rate |  | 26 | ​ | $ | 2,856
​ | ​ | ​ | ​ | ​ | ​
Total |  | 38 | ​ | $ | 5,016
​ | ​ | ​ | ​ | ​ | ​
Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology | The following tables show the ALLL activity by segment for the year ended December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ |  | ​ | ​
​ |  | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2020
​ | ​ | Commercial | ​ | Consumer | ​ | Total
Balance at beginning of period | ​ | $ | 30,941 | ​ | $ | 11,353 | ​ | $ | 42,294
Impact of ASC 326 adoption on non-PCD loans | ​ |  | 4,432 | ​ |  | 40,666 | ​ |  | 45,098
Impact of ASC 326 adoption on PCD loans | ​ |  | 1,752 | ​ |  | 634 | ​ |  | 2,386
Impact of adopting ASC 326 | ​ |  | 6,184 | ​ |  | 41,300 | ​ |  | 47,484
Loans charged-off | ​ |  | (6,671) | ​ |  | (11,522) | ​ |  | (18,193)
Recoveries credited to allowance | ​ |  | 3,517 | ​ |  | 3,238 | ​ |  | 6,755
Provision charged to operations | ​ |  | 83,432 | ​ |  | (1,232) | ​ |  | 82,200
Balance at end of period | ​ | $ | 117,403 | ​ | $ | 43,137 | ​ | $ | 160,540
The following tables show the ALLL activity by class for the year ended December 31, 2019, and 2018. The tables below include the provision for loan losses. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2019
​ | ​ | Allowance for loan losses
​ |  | Balance, |  | Recoveries |  | Loans |  | Provision |  | Balance,
​ | ​ | beginning of | ​ | credited to | ​ | charged | ​ | charged to | ​ | end of
​ | ​ | the year | ​ | allowance | ​ | off | ​ | operations | ​ | period
Construction and Land Development | ​ | $ | 6,803 | ​ | $ | 665 | ​ | $ | (4,218) | ​ | $ | 2,508 | ​ | $ | 5,758
Commercial Real Estate - Owner Occupied | ​ |  | 4,023 | ​ |  | 456 | ​ |  | (1,346) | ​ |  | 786 | ​ |  | 3,919
Commercial Real Estate - Non-Owner Occupied | ​ |  | 8,865 | ​ |  | 109 | ​ |  | (270) | ​ |  | 839 | ​ |  | 9,543
Multifamily Real Estate | ​ |  | 649 | ​ |  | 85 | ​ |  | — | ​ |  | (102) | ​ |  | 632
Commercial & Industrial | ​ |  | 7,636 | ​ |  | 1,132 | ​ |  | (3,096) | ​ |  | 2,932 | ​ |  | 8,604
Residential 1-4 Family - Commercial | ​ |  | 1,692 | ​ |  | 372 | ​ |  | (472) | ​ |  | (227) | ​ |  | 1,365
Residential 1-4 Family - Consumer | ​ |  | 1,492 | ​ |  | 466 | ​ |  | (144) | ​ |  | 199 | ​ |  | 2,013
Residential 1-4 Family - Revolving | ​ |  | 1,297 | ​ |  | 692 | ​ |  | (698) | ​ |  | 32 | ​ |  | 1,323
Auto | ​ |  | 1,443 | ​ |  | 549 | ​ |  | (1,282) | ​ |  | 743 | ​ |  | 1,453
Consumer and all other(1) | ​ |  | 7,145 | ​ |  | 2,706 | ​ |  | (16,582) | ​ |  | 14,415 | ​ |  | 7,684
Total | ​ | $ | 41,045 | ​ | $ | 7,232 | ​ | $ | (28,108) | ​ | $ | 22,125 | ​ | $ | 42,294
(1) | Consumer and Other Commercial are grouped together as Consumer and all other for reporting purposes.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2018
​ | ​ | Allowance for loan losses
​ |  | Balance, |  | Recoveries |  | Loans |  | Provision |  | Balance,
​ | ​ | beginning | ​ | credited to | ​ | charged | ​ | charged to | ​ | end of
​ | ​ | of the year | ​ | allowance | ​ | off | ​ | operations | ​ | period
Construction and Land Development | ​ | $ | 9,709 | ​ | $ | 447 | ​ | $ | (2,005) | ​ | $ | (1,348) | ​ | $ | 6,803
Commercial Real Estate - Owner Occupied | ​ |  | 2,931 | ​ |  | 610 | ​ |  | (709) | ​ |  | 1,191 | ​ |  | 4,023
Commercial Real Estate - Non-Owner Occupied | ​ |  | 7,544 | ​ |  | 100 | ​ |  | (94) | ​ |  | 1,315 | ​ |  | 8,865
Multifamily Real Estate | ​ |  | 1,092 | ​ |  | 5 | ​ |  | — | ​ |  | (448) | ​ |  | 649
Commercial & Industrial | ​ |  | 4,552 | ​ |  | 534 | ​ |  | (833) | ​ |  | 3,383 | ​ |  | 7,636
Residential 1-4 Family - Commercial | ​ |  | 4,437 | ​ |  | 353 | ​ |  | (176) | ​ |  | (2,922) | ​ |  | 1,692
Residential 1-4 Family - Consumer | ​ |  | 1,524 | ​ |  | 310 | ​ |  | (852) | ​ |  | 510 | ​ |  | 1,492
Residential 1-4 Family - Revolving | ​ |  | 1,360 | ​ |  | 636 | ​ |  | (1,206) | ​ |  | 507 | ​ |  | 1,297
Auto | ​ |  | 975 | ​ |  | 436 | ​ |  | (1,074) | ​ |  | 1,106 | ​ |  | 1,443
Consumer and all other(1) | ​ |  | 4,084 | ​ |  | 1,737 | ​ |  | (9,281) | ​ |  | 10,605 | ​ |  | 7,145
Total | ​ | $ | 38,208 | ​ | $ | 5,168 | ​ | $ | (16,230) | ​ | $ | 13,899 | ​ | $ | 41,045
(1) | Consumer and Other Commercial are grouped together as Consumer and all other for reporting purposes.
​ The following table shows the loan and ALLL balances based on impairment methodology by segment as of December 31, 2019 (dollars in thousands): ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019
​ | ​ | Loans individually | ​ | Loans collectively | ​ | Loans acquired with | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | evaluated for | ​ | evaluated for | ​ | deteriorated credit | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | impairment | ​ | impairment | ​ | quality | ​ | Total
​ |  | Loans |  | ALL |  | Loans |  | ALL |  | Loans |  | ALL |  | Loans |  | ALL
Construction and Land Development | ​ | $ | 6,861 | ​ | $ | 49 | ​ | $ | 1,233,119 | ​ | $ | 5,709 | ​ | $ | 10,944 | ​ | $ | — | ​ | $ | 1,250,924 | ​ | $ | 5,758
Commercial Real Estate - Owner Occupied | ​ |  | 11,621 | ​ |  | 146 | ​ |  | 2,002,184 | ​ |  | 3,773 | ​ |  | 27,438 | ​ |  | — | ​ |  | 2,041,243 | ​ |  | 3,919
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,845 | ​ |  | 2 | ​ |  | 3,267,688 | ​ |  | 9,541 | ​ |  | 14,565 | ​ |  | — | ​ |  | 3,286,098 | ​ |  | 9,543
Multifamily Real Estate | ​ |  | — | ​ |  | — | ​ |  | 633,649 | ​ |  | 632 | ​ |  | 94 | ​ |  | — | ​ |  | 633,743 | ​ |  | 632
Commercial & Industrial | ​ |  | 6,236 | ​ |  | 619 | ​ |  | 2,106,218 | ​ |  | 7,768 | ​ |  | 1,579 | ​ |  | 217 | ​ |  | 2,114,033 | ​ |  | 8,604
Residential 1-4 Family - Commercial | ​ |  | 5,773 | ​ |  | 162 | ​ |  | 706,359 | ​ |  | 1,203 | ​ |  | 12,205 | ​ |  | — | ​ |  | 724,337 | ​ |  | 1,365
Residential 1-4 Family - Consumer | ​ |  | 20,446 | ​ |  | 1,242 | ​ |  | 855,344 | ​ |  | 771 | ​ |  | 14,713 | ​ |  | — | ​ |  | 890,503 | ​ |  | 2,013
Residential 1-4 Family - Revolving | ​ |  | 3,048 | ​ |  | 510 | ​ |  | 652,329 | ​ |  | 813 | ​ |  | 4,127 | ​ |  | — | ​ |  | 659,504 | ​ |  | 1,323
Auto | ​ |  | 563 | ​ |  | 221 | ​ |  | 349,852 | ​ |  | 1,232 | ​ |  | 4 | ​ |  | — | ​ |  | 350,419 | ​ |  | 1,453
Consumer and all other(1) | ​ |  | 730 | ​ |  | 76 | ​ |  | 658,390 | ​ |  | 7,608 | ​ |  | 1,012 | ​ |  | — | ​ |  | 660,132 | ​ |  | 7,684
Total loans held for investment, net | ​ | $ | 59,123 | ​ | $ | 3,027 | ​ | $ | 12,465,132 | ​ | $ | 39,050 | ​ | $ | 86,681 | ​ | $ | 217 | ​ | $ | 12,610,936 | ​ | $ | 42,294
(1) | Consumer and Other Commercial are grouped together as Consumer and all other for reporting purposes.
Loans Receivables Related Risk Rating | The following table shows the recorded investment in all loans, excluding PCI loans, by class with their related risk level as of December 31, 2019 (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Pass |  | Watch & Special Mention |  | Substandard |  | Doubtful |  | Total
Construction and Land Development | ​ | $ | 1,197,066 | ​ | $ | 37,182 | ​ | $ | 5,732 | ​ | $ | — | ​ | $ | 1,239,980
Commercial Real Estate - Owner Occupied | ​ |  | 1,916,492 | ​ |  | 87,004 | ​ |  | 10,309 | ​ |  | — | ​ |  | 2,013,805
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,205,463 | ​ |  | 62,368 | ​ |  | 3,608 | ​ |  | 94 | ​ |  | 3,271,533
Multifamily Real Estate | ​ |  | 613,844 | ​ |  | 19,396 | ​ |  | 409 | ​ |  | — | ​ |  | 633,649
Commercial & Industrial | ​ |  | 2,043,903 | ​ |  | 60,495 | ​ |  | 8,048 | ​ |  | 8 | ​ |  | 2,112,454
Residential 1-4 Family - Commercial | ​ |  | 680,894 | ​ |  | 24,864 | ​ |  | 6,374 | ​ |  | — | ​ |  | 712,132
Residential 1-4 Family - Consumer | ​ |  | 841,408 | ​ |  | 13,592 | ​ |  | 20,534 | ​ |  | 256 | ​ |  | 875,790
Residential 1-4 Family - Revolving | ​ |  | 641,069 | ​ |  | 6,373 | ​ |  | 7,935 | ​ |  | — | ​ |  | 655,377
Auto | ​ |  | 345,960 | ​ |  | 2,630 | ​ |  | 1,825 | ​ |  | — | ​ |  | 350,415
Consumer | ​ |  | 371,315 | ​ |  | 550 | ​ |  | 320 | ​ |  | — | ​ |  | 372,185
Other Commercial | ​ |  | 284,914 | ​ |  | 1,863 | ​ |  | 158 | ​ |  | — | ​ |  | 286,935
Total | ​ | $ | 12,142,328 | ​ | $ | 316,317 | ​ | $ | 65,252 | ​ | $ | 358 | ​ | $ | 12,524,255
Schedule of Acquired Loan Portfolio and Accretable Yield | The following shows changes in the accretable yield for loans accounted for under ASC 310-30, Receivables – Loans and Debt Securities Acquired with Deteriorated Credit Quality, for the year ended December 31, 2019 (dollars in thousands): ​
​ | ​ | ​ | ​
​ |  | 2019
Balance at beginning of period | ​ | $ | 31,201
Additions | ​ |  | 5,060
Accretion | ​ |  | (13,432)
Reclass of nonaccretable difference due to improvement in expected cash flows | ​ |  | 4,485
Measurement period adjustment | ​ |  | 631
Other, net (1) | ​ |  | 3,329
Balance at end of period | ​ | $ | 31,274
(1)This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate PCI loans, and discounted payoffs that occurred in the year.
Purchased Impaired |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Summary of Aging of the Loan Portfolio by Class | The following table shows the PCI loan portfolios, by class and their delinquency status, at December 31, 2019 (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 30-89 Days |  | Greater than |  | ​ | ​ |  | ​ | ​
​ | ​ | Past Due | ​ | 90 Days | ​ | Current | ​ | Total
Construction and Land Development | ​ | $ | 136 | ​ | $ | 343 | ​ | $ | 10,465 | ​ | $ | 10,944
Commercial Real Estate - Owner Occupied | ​ |  | 480 | ​ |  | 6,884 | ​ |  | 20,074 | ​ |  | 27,438
Commercial Real Estate - Non-Owner Occupied | ​ |  | 848 | ​ |  | 987 | ​ |  | 12,730 | ​ |  | 14,565
Multifamily Real Estate | ​ |  | — | ​ |  | — | ​ |  | 94 | ​ |  | 94
Commercial & Industrial | ​ |  | — | ​ |  | 989 | ​ |  | 590 | ​ |  | 1,579
Residential 1-4 Family - Commercial | ​ |  | 543 | ​ |  | 1,995 | ​ |  | 9,667 | ​ |  | 12,205
Residential 1-4 Family - Consumer | ​ |  | 927 | ​ |  | 1,781 | ​ |  | 12,005 | ​ |  | 14,713
Residential 1-4 Family - Revolving | ​ |  | 287 | ​ |  | 205 | ​ |  | 3,635 | ​ |  | 4,127
Auto | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4 | ​ | ​ | 4
Consumer | ​ | ​ | — | ​ | ​ | 9 | ​ | ​ | 659 | ​ | ​ | 668
Other Commercial | ​ |  | — | ​ |  | — | ​ |  | 344 | ​ |  | 344
Total | ​ | $ | 3,221 | ​ | $ | 13,193 | ​ | $ | 70,267 | ​ | $ | 86,681
Loans Receivables Related Risk Rating | The following table shows the recorded investment in only PCI loans by class with their related risk level as of December 31, 2019 (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Pass |  | Watch & Special Mention |  | Substandard |  | Doubtful |  | Total
Construction and Land Development | ​ | $ | 1,092 | ​ | $ | 3,692 | ​ | $ | 6,160 | ​ | $ | — | ​ | $ | 10,944
Commercial Real Estate - Owner Occupied | ​ |  | 8,264 | ​ |  | 10,524 | ​ |  | 8,650 | ​ |  | — | ​ |  | 27,438
Commercial Real Estate - Non-Owner Occupied | ​ |  | 3,826 | ​ |  | 9,415 | ​ |  | 1,324 | ​ |  | — | ​ |  | 14,565
Multifamily Real Estate | ​ |  | — | ​ |  | 94 | ​ |  | — | ​ |  | — | ​ |  | 94
Commercial & Industrial | ​ |  | 127 | ​ |  | 25 | ​ |  | 1,427 | ​ |  | — | ​ |  | 1,579
Residential 1-4 Family - Commercial | ​ |  | 6,000 | ​ |  | 2,693 | ​ |  | 3,512 | ​ |  | — | ​ |  | 12,205
Residential 1-4 Family - Consumer | ​ |  | 9,947 | ​ |  | 557 | ​ |  | 4,209 | ​ |  | — | ​ |  | 14,713
Residential 1-4 Family - Revolving | ​ |  | 2,887 | ​ |  | 707 | ​ |  | 533 | ​ |  | — | ​ |  | 4,127
Auto | ​ | ​ | 2 | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | — | ​ | ​ | 4
Consumer | ​ |  | 657 | ​ |  | — | ​ |  | 11 | ​ |  | — | ​ |  | 668
Other Commercial | ​ | ​ | 120 | ​ | ​ | 224 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 344
Total | ​ | $ | 32,922 | ​ | $ | 27,931 | ​ | $ | 25,828 | ​ | $ | — | ​ | $ | 86,681
Commercial Portfolio |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Loans Receivables Related Risk Rating | The table below details the amortized cost of the classes of loans within the Commercial segment by risk level and year of origination as of December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | December 31, 2020
​ | ​ | ​ | Term Loans Amortized Cost Basis by Origination Year | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 | ​ | 2019 | ​ | 2018 | ​ | 2017 | ​ | 2016 | ​ | Prior | ​ | Revolving Loans | ​ | Total
Construction and Land Development | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 316,585 | ​ | $ | 277,142 | ​ | $ | 116,800 | ​ | $ | 24,770 | ​ | $ | 42,970 | ​ | $ | 54,023 | ​ | $ | 23,324 | ​ | $ | 855,614
Watch | ​ | ​ | 1,873 | ​ | ​ | 18,181 | ​ | ​ | 8,434 | ​ | ​ | 344 | ​ | ​ | 2,355 | ​ | ​ | 6,372 | ​ | ​ | 412 | ​ | ​ | 37,971
Special Mention | ​ | ​ | — | ​ | ​ | 5,532 | ​ | ​ | 135 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,655 | ​ | ​ | — | ​ | ​ | 8,322
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 17,780 | ​ | ​ | 64 | ​ | ​ | 2,037 | ​ | ​ | 4,010 | ​ | ​ | — | ​ | ​ | 23,891
Total Construction and Land Development | ​ | $ | 318,458 | ​ | $ | 300,855 | ​ | $ | 143,149 | ​ | $ | 25,178 | ​ | $ | 47,362 | ​ | $ | 67,060 | ​ | $ | 23,736 | ​ | $ | 925,798
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial Real Estate - Owner Occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 286,522 | ​ | $ | 375,541 | ​ | $ | 300,583 | ​ | $ | 233,359 | ​ | $ | 128,261 | ​ | $ | 570,361 | ​ | $ | 18,838 | ​ | $ | 1,913,465
Watch | ​ | ​ | 1,942 | ​ | ​ | 14,611 | ​ | ​ | 22,224 | ​ | ​ | 15,623 | ​ | ​ | 24,979 | ​ | ​ | 41,361 | ​ | ​ | 1,648 | ​ | ​ | 122,388
Special Mention | ​ | ​ | 988 | ​ | ​ | 6,052 | ​ | ​ | 5,749 | ​ | ​ | 4,198 | ​ | ​ | 9,907 | ​ | ​ | 30,455 | ​ | ​ | 1,121 | ​ | ​ | 58,470
Substandard | ​ | ​ | — | ​ | ​ | 4,858 | ​ | ​ | 5,159 | ​ | ​ | 914 | ​ | ​ | 1,555 | ​ | ​ | 21,101 | ​ | ​ | 999 | ​ | ​ | 34,586
Total Commercial Real Estate - Owner Occupied | ​ | $ | 289,452 | ​ | $ | 401,062 | ​ | $ | 333,715 | ​ | $ | 254,094 | ​ | $ | 164,702 | ​ | $ | 663,278 | ​ | $ | 22,606 | ​ | $ | 2,128,909
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial Real Estate - Non-Owner Occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 381,849 | ​ | $ | 455,427 | ​ | $ | 433,183 | ​ | $ | 403,677 | ​ | $ | 336,630 | ​ | $ | 850,035 | ​ | $ | 30,421 | ​ | $ | 2,891,222
Watch | ​ | ​ | 28,354 | ​ | ​ | 142,279 | ​ | ​ | 76,838 | ​ | ​ | 59,451 | ​ | ​ | 79,533 | ​ | ​ | 224,944 | ​ | ​ | 16,870 | ​ | ​ | 628,269
Special Mention | ​ | ​ | 702 | ​ | ​ | 11,072 | ​ | ​ | 34,905 | ​ | ​ | 18,073 | ​ | ​ | 40,771 | ​ | ​ | 11,211 | ​ | ​ | 723 | ​ | ​ | 117,457
Substandard | ​ | ​ | 246 | ​ | ​ | — | ​ | ​ | 13,357 | ​ | ​ | — | ​ | ​ | 25 | ​ | ​ | 6,986 | ​ | ​ | — | ​ | ​ | 20,614
Total Commercial Real Estate - Non-Owner Occupied | ​ | $ | 411,151 | ​ | $ | 608,778 | ​ | $ | 558,283 | ​ | $ | 481,201 | ​ | $ | 456,959 | ​ | $ | 1,093,176 | ​ | $ | 48,014 | ​ | $ | 3,657,562
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial & Industrial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 1,730,876 | ​ | $ | 350,618 | ​ | $ | 199,489 | ​ | $ | 67,035 | ​ | $ | 71,799 | ​ | $ | 140,461 | ​ | $ | 590,701 | ​ | $ | 3,150,979
Watch | ​ | ​ | 4,872 | ​ | ​ | 32,028 | ​ | ​ | 13,073 | ​ | ​ | 6,500 | ​ | ​ | 3,182 | ​ | ​ | 4,906 | ​ | ​ | 19,972 | ​ | ​ | 84,533
Special Mention | ​ | ​ | 1,009 | ​ | ​ | 2,178 | ​ | ​ | 3,890 | ​ | ​ | 1,150 | ​ | ​ | 724 | ​ | ​ | 1,234 | ​ | ​ | 4,755 | ​ | ​ | 14,940
Substandard | ​ | ​ | 534 | ​ | ​ | 4,269 | ​ | ​ | 1,274 | ​ | ​ | 309 | ​ | ​ | 560 | ​ | ​ | 2,676 | ​ | ​ | 3,386 | ​ | ​ | 13,008
Total Commercial & Industrial | ​ | $ | 1,737,291 | ​ | $ | 389,093 | ​ | $ | 217,726 | ​ | $ | 74,994 | ​ | $ | 76,265 | ​ | $ | 149,277 | ​ | $ | 618,814 | ​ | $ | 3,263,460
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Multifamily Real Estate | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 144,805 | ​ | $ | 85,740 | ​ | $ | 150,724 | ​ | $ | 117,881 | ​ | $ | 67,984 | ​ | $ | 231,113 | ​ | $ | 2,311 | ​ | $ | 800,558
Watch | ​ | ​ | — | ​ | ​ | 5,074 | ​ | ​ | 475 | ​ | ​ | — | ​ | ​ | 617 | ​ | ​ | 560 | ​ | ​ | — | ​ | ​ | 6,726
Special Mention | ​ | ​ | 2,280 | ​ | ​ | — | ​ | ​ | 4,388 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 760 | ​ | ​ | — | ​ | ​ | 7,428
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 33 | ​ | ​ | — | ​ | ​ | 33
Total Multifamily Real Estate | ​ | $ | 147,085 | ​ | $ | 90,814 | ​ | $ | 155,587 | ​ | $ | 117,881 | ​ | $ | 68,601 | ​ | $ | 232,466 | ​ | $ | 2,311 | ​ | $ | 814,745
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential 1-4 Family - Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 104,630 | ​ | $ | 89,332 | ​ | $ | 70,310 | ​ | $ | 79,156 | ​ | $ | 68,915 | ​ | $ | 201,492 | ​ | $ | 2,236 | ​ | $ | 616,071
Watch | ​ | ​ | 666 | ​ | ​ | 6,665 | ​ | ​ | 8,252 | ​ | ​ | 4,141 | ​ | ​ | 4,067 | ​ | ​ | 9,307 | ​ | ​ | 195 | ​ | ​ | 33,293
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 601 | ​ | ​ | 663 | ​ | ​ | 468 | ​ | ​ | 5,923 | ​ | ​ | — | ​ | ​ | 7,655
Substandard | ​ | ​ | 644 | ​ | ​ | 793 | ​ | ​ | 4,913 | ​ | ​ | 1,995 | ​ | ​ | 986 | ​ | ​ | 5,111 | ​ | ​ | 488 | ​ | ​ | 14,930
Total Residential 1-4 Family - Commercial | ​ | $ | 105,940 | ​ | $ | 96,790 | ​ | $ | 84,076 | ​ | $ | 85,955 | ​ | $ | 74,436 | ​ | $ | 221,833 | ​ | $ | 2,919 | ​ | $ | 671,949
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 223,490 | ​ | $ | 112,045 | ​ | $ | 9,549 | ​ | $ | 30,314 | ​ | $ | 16,494 | ​ | $ | 42,158 | ​ | $ | 44,180 | ​ | $ | 478,230
Watch | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 613 | ​ | ​ | 1,299 | ​ | ​ | 1,189 | ​ | ​ | 3,934 | ​ | ​ | — | ​ | ​ | 7,035
Special Mention | ​ | ​ | 10 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7 | ​ | ​ | — | ​ | ​ | 4,591 | ​ | ​ | 102 | ​ | ​ | 4,710
Total Other Commercial | ​ | $ | 223,500 | ​ | $ | 112,045 | ​ | $ | 10,162 | ​ | $ | 31,620 | ​ | $ | 17,683 | ​ | $ | 50,683 | ​ | $ | 44,282 | ​ | $ | 489,975
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 3,188,757 | ​ | $ | 1,745,845 | ​ | $ | 1,280,638 | ​ | $ | 956,192 | ​ | $ | 733,053 | ​ | $ | 2,089,643 | ​ | $ | 712,011 | ​ | $ | 10,706,139
Watch | ​ | ​ | 37,707 | ​ | ​ | 218,838 | ​ | ​ | 129,909 | ​ | ​ | 87,358 | ​ | ​ | 115,922 | ​ | ​ | 291,384 | ​ | ​ | 39,097 | ​ | ​ | 920,215
Special Mention | ​ | ​ | 4,989 | ​ | ​ | 24,834 | ​ | ​ | 49,668 | ​ | ​ | 24,091 | ​ | ​ | 51,870 | ​ | ​ | 56,829 | ​ | ​ | 6,701 | ​ | ​ | 218,982
Substandard | ​ | ​ | 1,424 | ​ | ​ | 9,920 | ​ | ​ | 42,483 | ​ | ​ | 3,282 | ​ | ​ | 5,163 | ​ | ​ | 39,917 | ​ | ​ | 4,873 | ​ | ​ | 107,062
Total Commercial | ​ | $ | 3,232,877 | ​ | $ | 1,999,437 | ​ | $ | 1,502,698 | ​ | $ | 1,070,923 | ​ | $ | 906,008 | ​ | $ | 2,477,773 | ​ | $ | 762,682 | ​ | $ | 11,952,398
Consumer Portfolio |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Loans Receivables Related Risk Rating | For Consumer loans, the Company evaluates credit quality based on the delinquency status of the loan. The following table details the amortized cost of the classes of loans within the Consumer segment based on their delinquency status and year of origination as of December 31, 2020 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | December 31, 2020
​ | ​ | ​ | Term Loans Amortized Cost Basis by Origination Year | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 | ​ | 2019 | ​ | 2018 | ​ | 2017 | ​ | 2016 | ​ | Prior | ​ | Revolving Loans | ​ | Total
Residential 1-4 Family - Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | $ | 213,763 | ​ | $ | 75,133 | ​ | $ | 64,299 | ​ | $ | 68,320 | ​ | $ | 102,123 | ​ | $ | 269,203 | ​ | $ | 11 | ​ | $ | 792,852
30-59 Days Past Due | ​ | ​ | 678 | ​ | ​ | 181 | ​ | ​ | 2,243 | ​ | ​ | 516 | ​ | ​ | 457 | ​ | ​ | 6,107 | ​ | ​ | — | ​ | ​ | 10,182
60-89 Days Past Due | ​ | ​ | 156 | ​ | ​ | — | ​ | ​ | 57 | ​ | ​ | 679 | ​ | ​ | — | ​ | ​ | 641 | ​ | ​ | — | ​ | ​ | 1,533
90+ Days Past Due | ​ | ​ | 608 | ​ | ​ | 1,696 | ​ | ​ | 23 | ​ | ​ | — | ​ | ​ | 1,246 | ​ | ​ | 2,126 | ​ | ​ | — | ​ | ​ | 5,699
Nonaccrual | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 696 | ​ | ​ | 851 | ​ | ​ | 887 | ​ | ​ | 10,166 | ​ | ​ | — | ​ | ​ | 12,600
Total Residential 1-4 Family - Consumer | ​ | $ | 215,205 | ​ | $ | 77,010 | ​ | $ | 67,318 | ​ | $ | 70,366 | ​ | $ | 104,713 | ​ | $ | 288,243 | ​ | $ | 11 | ​ | $ | 822,866
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential 1-4 Family - Revolving | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | $ | 13,217 | ​ | $ | 3,916 | ​ | $ | 1,593 | ​ | $ | 300 | ​ | $ | — | ​ | $ | 636 | ​ | $ | 567,860 | ​ | $ | 587,522
30-59 Days Past Due | ​ | ​ | 70 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,905 | ​ | ​ | 2,975
60-89 Days Past Due | ​ | ​ | 53 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 991 | ​ | ​ | 1,044
90+ Days Past Due | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 826 | ​ | ​ | 826
Nonaccrual | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 21 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 227 | ​ | ​ | 4,381 | ​ | ​ | 4,629
Total Residential 1-4 Family - Revolving | ​ | $ | 13,340 | ​ | $ | 3,916 | ​ | $ | 1,614 | ​ | $ | 300 | ​ | $ | — | ​ | $ | 863 | ​ | $ | 576,963 | ​ | $ | 596,996
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | $ | 26,498 | ​ | $ | 68,208 | ​ | $ | 67,041 | ​ | $ | 22,464 | ​ | $ | 9,997 | ​ | $ | 15,893 | ​ | $ | 35,450 | ​ | $ | 245,551
30-59 Days Past Due | ​ | ​ | 35 | ​ | ​ | 252 | ​ | ​ | 504 | ​ | ​ | 98 | ​ | ​ | 15 | ​ | ​ | 143 | ​ | ​ | 119 | ​ | ​ | 1,166
60-89 Days Past Due | ​ | ​ | 28 | ​ | ​ | 176 | ​ | ​ | 317 | ​ | ​ | 23 | ​ | ​ | — | ​ | ​ | 3 | ​ | ​ | 3 | ​ | ​ | 550
90+ Days Past Due | ​ | ​ | 5 | ​ | ​ | 84 | ​ | ​ | 242 | ​ | ​ | 4 | ​ | ​ | — | ​ | ​ | 56 | ​ | ​ | 3 | ​ | ​ | 394
Nonaccrual | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 69 | ​ | ​ | — | ​ | ​ | 69
Total Consumer | ​ | $ | 26,566 | ​ | $ | 68,720 | ​ | $ | 68,104 | ​ | $ | 22,589 | ​ | $ | 10,012 | ​ | $ | 16,164 | ​ | $ | 35,575 | ​ | $ | 247,730
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Auto | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | $ | 171,051 | ​ | $ | 115,319 | ​ | $ | 55,886 | ​ | $ | 32,555 | ​ | $ | 17,081 | ​ | $ | 6,314 | ​ | $ | — | ​ | $ | 398,206
30-59 Days Past Due | ​ | ​ | 239 | ​ | ​ | 467 | ​ | ​ | 543 | ​ | ​ | 478 | ​ | ​ | 197 | ​ | ​ | 152 | ​ | ​ | — | ​ | ​ | 2,076
60-89 Days Past Due | ​ | ​ | 124 | ​ | ​ | 150 | ​ | ​ | — | ​ | ​ | 59 | ​ | ​ | 26 | ​ | ​ | 17 | ​ | ​ | — | ​ | ​ | 376
90+ Days Past Due | ​ | ​ | 6 | ​ | ​ | 23 | ​ | ​ | 53 | ​ | ​ | 58 | ​ | ​ | 15 | ​ | ​ | 11 | ​ | ​ | — | ​ | ​ | 166
Nonaccrual | ​ | ​ | 30 | ​ | ​ | 93 | ​ | ​ | 126 | ​ | ​ | 101 | ​ | ​ | 88 | ​ | ​ | 62 | ​ | ​ | — | ​ | ​ | 500
Total Auto | ​ | $ | 171,450 | ​ | $ | 116,052 | ​ | $ | 56,608 | ​ | $ | 33,251 | ​ | $ | 17,407 | ​ | $ | 6,556 | ​ | $ | — | ​ | $ | 401,324
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | $ | 424,529 | ​ | $ | 262,576 | ​ | $ | 188,819 | ​ | $ | 123,639 | ​ | $ | 129,201 | ​ | $ | 292,046 | ​ | $ | 603,321 | ​ | $ | 2,024,131
30-59 Days Past Due | ​ | ​ | 1,022 | ​ | ​ | 900 | ​ | ​ | 3,290 | ​ | ​ | 1,092 | ​ | ​ | 669 | ​ | ​ | 6,402 | ​ | ​ | 3,024 | ​ | ​ | 16,399
60-89 Days Past Due | ​ | ​ | 361 | ​ | ​ | 326 | ​ | ​ | 374 | ​ | ​ | 761 | ​ | ​ | 26 | ​ | ​ | 661 | ​ | ​ | 994 | ​ | ​ | 3,503
90+ Days Past Due | ​ | ​ | 619 | ​ | ​ | 1,803 | ​ | ​ | 318 | ​ | ​ | 62 | ​ | ​ | 1,261 | ​ | ​ | 2,193 | ​ | ​ | 829 | ​ | ​ | 7,085
Nonaccrual | ​ | ​ | 30 | ​ | ​ | 93 | ​ | ​ | 843 | ​ | ​ | 952 | ​ | ​ | 975 | ​ | ​ | 10,524 | ​ | ​ | 4,381 | ​ | ​ | 17,798
Total Consumer | ​ | $ | 426,561 | ​ | $ | 265,698 | ​ | $ | 193,644 | ​ | $ | 126,506 | ​ | $ | 132,132 | ​ | $ | 311,826 | ​ | $ | 612,549 | ​ | $ | 2,068,916

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