XML 88 R68.htm IDEA: XBRL DOCUMENT v3.20.2
Loans and Allowance for Credit Losses - Loans by Credit Risk Rating, Segregated by Class of Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Total $ 14,017,442 $ 14,425,704
Total   14,425,704
Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   14,113,275
Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   102,618
Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   209,421
Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   173
Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   217
Loans other than pass or current    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 56,651  
2019 26,097  
2018 65,174  
2017 31,991  
2016 21,670  
2015 and Prior 30,107  
Lines of Credit (“LOC”) Amortized Cost Basis 222,476  
LOC Converted to Term Loans Amortized Cost Basis 65,540  
Total 519,706  
Consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 363,616 453,997
Total   454,496
Consumer | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   451,829
Consumer | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,667
Consumer | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Credit cards    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 172,880 204,802
Total   204,802
Consumer | Credit cards | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   204,161
Consumer | Credit cards | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Credit cards | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   641
Consumer | Credit cards | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Credit cards | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Other consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 190,736 249,195
Total   249,694
Consumer | Other consumer | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   247,668
Consumer | Other consumer | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Other consumer | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,026
Consumer | Other consumer | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Consumer | Other consumer | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 9,983,253 11,021,940
Total   10,884,524
Real Estate | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   10,691,728
Real Estate | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   75,864
Real Estate | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   116,765
Real Estate | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   130
Real Estate | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   37
Real Estate | Construction and development    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 1,853,360 2,248,673
Total   2,236,861
Real Estate | Construction and development | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,229,019
Real Estate | Construction and development | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 504  
2019 357  
2018 173  
2017 2,171  
2016 19  
2015 and Prior 238  
Lines of Credit (“LOC”) Amortized Cost Basis 4,707  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 8,169  
Total   70
Real Estate | Construction and development | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 244  
2019 2,127  
2018 447  
2017 539  
2016 366  
2015 and Prior 570  
Lines of Credit (“LOC”) Amortized Cost Basis 579  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 4,872  
Total   7,735
Real Estate | Construction and development | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 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 0  
Total   0
Real Estate | Construction and development | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   37
Real Estate | Construction and development | Risk rate 5, 6, and 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 748  
2019 2,484  
2018 620  
2017 2,710  
2016 385  
2015 and Prior 808  
Lines of Credit (“LOC”) Amortized Cost Basis 5,286  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 13,041  
Real Estate | Single family residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 1,997,070 2,414,753
Total   2,442,064
Real Estate | Single family residential | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,394,284
Real Estate | Single family residential | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   6,049
Real Estate | Single family residential | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   41,601
Real Estate | Single family residential | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   130
Real Estate | Single family residential | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Real Estate | Other commercial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 6,132,823 6,358,514
Total   6,205,599
Real Estate | Other commercial | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   6,068,425
Real Estate | Other commercial | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 17,230  
2019 4,973  
2018 24,463  
2017 14,997  
2016 1,744  
2015 and Prior 10,844  
Lines of Credit (“LOC”) Amortized Cost Basis 61,045  
LOC Converted to Term Loans Amortized Cost Basis 16,005  
Total 151,301  
Total   69,745
Real Estate | Other commercial | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 29,267  
2019 9,544  
2018 13,940  
2017 5,751  
2016 15,069  
2015 and Prior 10,114  
Lines of Credit (“LOC”) Amortized Cost Basis 54,571  
LOC Converted to Term Loans Amortized Cost Basis 48,444  
Total 186,700  
Total   67,429
Real Estate | Other commercial | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 0  
2019 0  
2018 0  
2017 0  
2016 0  
2015 and Prior  
Lines of Credit (“LOC”) Amortized Cost Basis 0  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 0  
Total   0
Real Estate | Other commercial | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Real Estate | Other commercial | Risk rate 5, 6, and 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 46,497  
2019 14,517  
2018 38,403  
2017 20,748  
2016 16,813  
2015 and Prior 20,958  
Lines of Credit (“LOC”) Amortized Cost Basis 115,616  
LOC Converted to Term Loans Amortized Cost Basis 64,449  
Total 338,001  
Commercial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 3,149,485 2,642,644
Total   2,810,970
Commercial | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,694,004
Commercial | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   26,754
Commercial | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   89,989
Commercial | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   43
Commercial | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   180
Commercial | Commercial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 2,907,798 2,451,119
Total   2,495,516
Commercial | Commercial | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   2,384,263
Commercial | Commercial | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 914  
2019 1,255  
2018 1,662  
2017 896  
2016 332  
2015 and Prior 14  
Lines of Credit (“LOC”) Amortized Cost Basis 45,106  
LOC Converted to Term Loans Amortized Cost Basis 569  
Total 50,748  
Total   26,713
Commercial | Commercial | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 7,062  
2019 3,434  
2018 19,418  
2017 2,407  
2016 1,232  
2015 and Prior 1,077  
Lines of Credit (“LOC”) Amortized Cost Basis 51,387  
LOC Converted to Term Loans Amortized Cost Basis 522  
Total 86,539  
Total   84,317
Commercial | Commercial | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 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 0  
Total   43
Commercial | Commercial | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   180
Commercial | Commercial | Risk rate 5, 6, and 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 7,976  
2019 4,689  
2018 21,080  
2017 3,303  
2016 1,564  
2015 and Prior 1,091  
Lines of Credit (“LOC”) Amortized Cost Basis 96,493  
LOC Converted to Term Loans Amortized Cost Basis 1,091  
Total 137,287  
Commercial | Agricultural    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 241,687 191,525
Total   315,454
Commercial | Agricultural | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   309,741
Commercial | Agricultural | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 35  
2019 83  
2018 14  
2017 325  
2016 0  
2015 and Prior 0  
Lines of Credit (“LOC”) Amortized Cost Basis 34  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 491  
Total   41
Commercial | Agricultural | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 72  
2019 140  
2018 166  
2017 53  
2016 42  
2015 and Prior 10  
Lines of Credit (“LOC”) Amortized Cost Basis 83  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 566  
Total   5,672
Commercial | Agricultural | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 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 0  
Total   0
Commercial | Agricultural | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Commercial | Agricultural | Risk rate 5, 6, and 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 107  
2019 223  
2018 180  
2017 378  
2016 42  
2015 and Prior 10  
Lines of Credit (“LOC”) Amortized Cost Basis 117  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 1,057  
Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total 521,088 307,123
Total   275,714
Other | Risk Rate 1-4    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   275,714
Other | Risk Rate 5    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Other | Risk Rate 6    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Other | Risk Rate 7    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   0
Other | Risk Rate 8    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total   $ 0
30-89 days past due | Consumer | Credit cards    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 0  
2019 0  
2018 0  
2017 0  
2016 0  
2015 and Prior 0  
Lines of Credit (“LOC”) Amortized Cost Basis 672  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 672  
30-89 days past due | Consumer | Other consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 213  
2019 404  
2018 344  
2017 634  
2016 505  
2015 and Prior 124  
Lines of Credit (“LOC”) Amortized Cost Basis 78  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 2,302  
30-89 days past due | Real Estate | Single family residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 1,080  
2019 1,417  
2018 1,602  
2017 1,686  
2016 1,395  
2015 and Prior 3,365  
Lines of Credit (“LOC”) Amortized Cost Basis 1,625  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 12,170  
90 Days or More Past Due | Consumer | Credit cards    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 0  
2019 0  
2018 0  
2017 0  
2016 0  
2015 and Prior 0  
Lines of Credit (“LOC”) Amortized Cost Basis 262  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 262  
90 Days or More Past Due | Consumer | Other consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 4  
2019 55  
2018 72  
2017 94  
2016 48  
2015 and Prior 8  
Lines of Credit (“LOC”) Amortized Cost Basis 110  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 391  
90 Days or More Past Due | Real Estate | Single family residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 26  
2019 2,308  
2018 2,873  
2017 2,438  
2016 918  
2015 and Prior 3,743  
Lines of Credit (“LOC”) Amortized Cost Basis 2,217  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 14,523  
30 + days past due | Consumer | Credit cards    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 0  
2019 0  
2018 0  
2017 0  
2016 0  
2015 and Prior 0  
Lines of Credit (“LOC”) Amortized Cost Basis 934  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 934  
30 + days past due | Consumer | Other consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 217  
2019 459  
2018 416  
2017 728  
2016 553  
2015 and Prior 132  
Lines of Credit (“LOC”) Amortized Cost Basis 188  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total 2,693  
30 + days past due | Real Estate | Single family residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 (YTD) 1,106  
2019 3,725  
2018 4,475  
2017 4,124  
2016 2,313  
2015 and Prior 7,108  
Lines of Credit (“LOC”) Amortized Cost Basis 3,842  
LOC Converted to Term Loans Amortized Cost Basis 0  
Total $ 26,693