XML 98 R73.htm IDEA: XBRL DOCUMENT
v3.20.4

Loans and Allowance for Credit Losses - Loans by Credit Risk Rating, Segregated by Class of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | $ 12,900,897 | $ 14,425,704
Total |  | 14,425,704
Risk Rate 1-4 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 14,113,275
Risk Rate 5 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 102,618
Risk Rate 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 209,421
Risk Rate 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 173
Risk Rate 8 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 217
Loans other than pass or current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 206,034 |
2019 | 25,804 |
2018 | 43,589 |
2017 | 44,544 |
2016 | 34,311 |
2015 and Prior | 32,434 |
Lines of Credit (“LOC”) Amortized Cost Basis | 214,137 |
LOC Converted to Term Loans Amortized Cost Basis | 93,154 |
Total loans | 694,007 |
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 391,224 | 454,496
Consumer | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 454,496
Consumer | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 451,829
Consumer | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,667
Consumer | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 180,354 | 204,802
Consumer | Credit cards | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 204,802
Consumer | Credit cards | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 204,161
Consumer | Credit cards | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Credit cards | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 641
Consumer | Credit cards | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Credit cards | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 210,870 | 249,694
Consumer | Other consumer | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 249,694
Consumer | Other consumer | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 247,668
Consumer | Other consumer | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Other consumer | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,026
Consumer | Other consumer | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Consumer | Other consumer | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 9,223,791 | 10,884,524
Real Estate | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 10,884,524
Real Estate | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 10,691,728
Real Estate | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 75,864
Real Estate | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 116,765
Real Estate | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 130
Real Estate | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 37
Real Estate | Construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 1,596,255 | 2,236,861
Real Estate | Construction and development | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,236,861
Real Estate | Construction and development | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,229,019
Real Estate | Construction and development | Risk Rate 5 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 2,728 |
2019 | 344 |
2018 | 259 |
2017 | 2,107 |
2016 | 19 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 9,613 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 15,070 |
Real Estate | Construction and development | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 70
Real Estate | Construction and development | Risk Rate 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 294 |
2019 | 2,069 |
2018 | 404 |
2017 | 449 |
2016 | 342 |
2015 and Prior | 320 |
Lines of Credit (“LOC”) Amortized Cost Basis | 17,914 |
LOC Converted to Term Loans Amortized Cost Basis | 14 |
Total loans | 21,806 |
Real Estate | Construction and development | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 7,735
Real Estate | Construction and development | Risk Rate 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 0 |
Real Estate | Construction and development | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Real Estate | Construction and development | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 37
Real Estate | Construction and development | Risk rate 5, 6, and 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 3,022 |
2019 | 2,413 |
2018 | 663 |
2017 | 2,556 |
2016 | 361 |
2015 and Prior | 320 |
Lines of Credit (“LOC”) Amortized Cost Basis | 27,527 |
LOC Converted to Term Loans Amortized Cost Basis | 14 |
Total loans | 36,876 |
Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 1,880,673 | 2,442,064
Real Estate | Single family residential | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,442,064
Real Estate | Single family residential | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,394,284
Real Estate | Single family residential | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 6,049
Real Estate | Single family residential | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 41,601
Real Estate | Single family residential | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 130
Real Estate | Single family residential | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Real Estate | Other commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 5,746,863 | 6,205,599
Real Estate | Other commercial | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 6,205,599
Real Estate | Other commercial | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 6,068,425
Real Estate | Other commercial | Risk Rate 5 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 100,085 |
2019 | 4,346 |
2018 | 10,738 |
2017 | 19,943 |
2016 | 26,245 |
2015 and Prior | 10,608 |
Lines of Credit (“LOC”) Amortized Cost Basis | 63,305 |
LOC Converted to Term Loans Amortized Cost Basis | 23,435 |
Total loans | 258,705 |
Real Estate | Other commercial | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 69,745
Real Estate | Other commercial | Risk Rate 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 66,737 |
2019 | 9,418 |
2018 | 24,380 |
2017 | 14,067 |
2016 | 3,744 |
2015 and Prior | 11,158 |
Lines of Credit (“LOC”) Amortized Cost Basis | 52,182 |
LOC Converted to Term Loans Amortized Cost Basis | 39,486 |
Total loans | 221,172 |
Real Estate | Other commercial | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 67,429
Real Estate | Other commercial | Risk Rate 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 0 |
Real Estate | Other commercial | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Real Estate | Other commercial | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Real Estate | Other commercial | Risk rate 5, 6, and 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 166,822 |
2019 | 13,764 |
2018 | 35,118 |
2017 | 34,010 |
2016 | 29,989 |
2015 and Prior | 21,766 |
Lines of Credit (“LOC”) Amortized Cost Basis | 115,487 |
LOC Converted to Term Loans Amortized Cost Basis | 62,921 |
Total loans | 479,877 |
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 2,750,291 | 2,810,970
Commercial | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,810,970
Commercial | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,694,004
Commercial | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 26,754
Commercial | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 89,989
Commercial | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 43
Commercial | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 180
Commercial | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 2,574,386 | 2,495,516
Commercial | Commercial | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,495,516
Commercial | Commercial | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 2,384,263
Commercial | Commercial | Risk Rate 5 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 5,707 |
2019 | 342 |
2018 | 465 |
2017 | 972 |
2016 | 54 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 12,318 |
LOC Converted to Term Loans Amortized Cost Basis | 22,546 |
Total loans | 42,404 |
Commercial | Commercial | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 26,713
Commercial | Commercial | Risk Rate 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 23,227 |
2019 | 4,495 |
2018 | 1,586 |
2017 | 730 |
2016 | 276 |
2015 and Prior | 334 |
Lines of Credit (“LOC”) Amortized Cost Basis | 53,682 |
LOC Converted to Term Loans Amortized Cost Basis | 7,522 |
Total loans | 91,852 |
Commercial | Commercial | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 84,317
Commercial | Commercial | Risk Rate 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 0 |
Commercial | Commercial | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 43
Commercial | Commercial | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 180
Commercial | Commercial | Risk rate 5, 6, and 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 28,934 |
2019 | 4,837 |
2018 | 2,051 |
2017 | 1,702 |
2016 | 330 |
2015 and Prior | 334 |
Lines of Credit (“LOC”) Amortized Cost Basis | 66,000 |
LOC Converted to Term Loans Amortized Cost Basis | 30,068 |
Total loans | 134,256 |
Commercial | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 175,905 | 315,454
Commercial | Agricultural | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 315,454
Commercial | Agricultural | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 309,741
Commercial | Agricultural | Risk Rate 5 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 79 |
2018 | 13 |
2017 | 299 |
2016 | 0 |
2015 and Prior | 6 |
Lines of Credit (“LOC”) Amortized Cost Basis | 34 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 431 |
Commercial | Agricultural | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 41
Commercial | Agricultural | Risk Rate 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 86 |
2019 | 101 |
2018 | 64 |
2017 | 47 |
2016 | 12 |
2015 and Prior | 10 |
Lines of Credit (“LOC”) Amortized Cost Basis | 68 |
LOC Converted to Term Loans Amortized Cost Basis | 75 |
Total loans | 463 |
Commercial | Agricultural | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 5,672
Commercial | Agricultural | Risk Rate 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 0 |
Commercial | Agricultural | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Commercial | Agricultural | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Commercial | Agricultural | Risk rate 5, 6, and 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 86 |
2019 | 180 |
2018 | 77 |
2017 | 346 |
2016 | 12 |
2015 and Prior | 16 |
Lines of Credit (“LOC”) Amortized Cost Basis | 102 |
LOC Converted to Term Loans Amortized Cost Basis | 75 |
Total loans | 894 |
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 535,591 | 275,714
Other | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 275,714
Other | Risk Rate 1-4 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 275,714
Other | Risk Rate 5 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Other | Risk Rate 6 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Other | Risk Rate 7 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | 0
Other | Risk Rate 8 | Loans, Excluding Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  | $ 0
30-89 days past due | Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 708 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 708 |
30-89 days past due | Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 234 |
2019 | 441 |
2018 | 327 |
2017 | 658 |
2016 | 689 |
2015 and Prior | 84 |
Lines of Credit (“LOC”) Amortized Cost Basis | 339 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 2,772 |
30-89 days past due | Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 6,300 |
2019 | 2,258 |
2018 | 2,593 |
2017 | 2,610 |
2016 | 2,058 |
2015 and Prior | 6,050 |
Lines of Credit (“LOC”) Amortized Cost Basis | 1,782 |
LOC Converted to Term Loans Amortized Cost Basis | 76 |
Total loans | 23,727 |
90 Days or More Past Due | Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 256 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 256 |
90 Days or More Past Due | Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 79 |
2019 | 58 |
2018 | 25 |
2017 | 80 |
2016 | 40 |
2015 and Prior | 12 |
Lines of Credit (“LOC”) Amortized Cost Basis | 8 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 302 |
90 Days or More Past Due | Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 557 |
2019 | 1,853 |
2018 | 2,735 |
2017 | 2,582 |
2016 | 832 |
2015 and Prior | 3,852 |
Lines of Credit (“LOC”) Amortized Cost Basis | 1,928 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 14,339 |
30 + days past due | Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 964 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 964 |
30 + days past due | Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 313 |
2019 | 499 |
2018 | 352 |
2017 | 738 |
2016 | 729 |
2015 and Prior | 96 |
Lines of Credit (“LOC”) Amortized Cost Basis | 347 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total loans | 3,074 |
30 + days past due | Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 6,857 |
2019 | 4,111 |
2018 | 5,328 |
2017 | 5,192 |
2016 | 2,890 |
2015 and Prior | 9,902 |
Lines of Credit (“LOC”) Amortized Cost Basis | 3,710 |
LOC Converted to Term Loans Amortized Cost Basis | 76 |
Total loans | $ 38,066 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 3: 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)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated more than five years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated four years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated in fiscal year prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated two years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable that can be withdrawn, repaid and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL120270059-210447 + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=sfnc_CriticizedAndPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sfnc_LoansExcludingAcquiredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_OtherConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=sfnc_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_CriticizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_SingleFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_OtherCommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_CommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_AgriculturalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=sfnc_FinancialAsset30to89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=sfnc_FinancingReceivablesEqualToGreaterThan30DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |