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Loans - Loans by Credit Grades (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 3,664,436 | $ 3,867,383
Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 181,104 | 443,551
Fiscal year before current fiscal year | 355,873 | 277,669
Two year before current fiscal year | 259,134 | 235,924
Three year before current fiscal year | 222,409 | 298,388
Four year before current fiscal year | 282,439 | 192,725
Prior | 615,384 | 476,011
Revolving Loans | 261,515 | 268,003
Total | 2,177,858 | 2,192,271
Commercial | Owner occupied real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 9,140 | 58,747
Fiscal year before current fiscal year | 59,149 | 67,870
Two year before current fiscal year | 68,599 | 59,395
Three year before current fiscal year | 55,952 | 61,741
Four year before current fiscal year | 56,035 | 54,526
Prior | 190,642 | 149,833
Revolving Loans | 43,170 | 44,194
Total | 482,687 | 496,306
Commercial | Owner occupied real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 9,140 | 57,726
Fiscal year before current fiscal year | 58,133 | 65,558
Two year before current fiscal year | 66,526 | 49,455
Three year before current fiscal year | 50,807 | 49,032
Four year before current fiscal year | 44,193 | 47,480
Prior | 166,293 | 127,373
Revolving Loans | 39,369 | 40,027
Total | 434,461 | 436,651
Commercial | Owner occupied real estate | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 1,081
Two year before current fiscal year | 1,053 | 5,928
Three year before current fiscal year | 1,226 | 10,205
Four year before current fiscal year | 9,358 | 4,207
Prior | 12,043 | 12,787
Revolving Loans | 0 | 325
Total | 23,680 | 34,533
Commercial | Owner occupied real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 1,021
Fiscal year before current fiscal year | 1,016 | 1,231
Two year before current fiscal year | 1,020 | 4,012
Three year before current fiscal year | 3,919 | 2,504
Four year before current fiscal year | 2,484 | 2,839
Prior | 12,306 | 9,673
Revolving Loans | 3,801 | 3,842
Total | 24,546 | 25,122
Commercial | Owner occupied real estate | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Non–owner occupied real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 30,379 | 116,529
Fiscal year before current fiscal year | 113,722 | 136,811
Two year before current fiscal year | 126,890 | 103,869
Three year before current fiscal year | 102,732 | 134,801
Four year before current fiscal year | 132,355 | 108,644
Prior | 322,764 | 226,352
Revolving Loans | 169,462 | 172,630
Total | 998,304 | 999,636
Commercial | Non–owner occupied real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 30,379 | 115,667
Fiscal year before current fiscal year | 112,865 | 120,023
Two year before current fiscal year | 108,782 | 73,669
Three year before current fiscal year | 72,116 | 133,396
Four year before current fiscal year | 130,971 | 99,674
Prior | 296,725 | 208,649
Revolving Loans | 163,134 | 166,986
Total | 914,972 | 918,064
Commercial | Non–owner occupied real estate | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 862
Fiscal year before current fiscal year | 857 | 1,236
Two year before current fiscal year | 1,225 | 28,723
Three year before current fiscal year | 29,458 | 1,298
Four year before current fiscal year | 1,285 | 2,548
Prior | 15,270 | 13,182
Revolving Loans | 4,022 | 4,072
Total | 52,117 | 51,921
Commercial | Non–owner occupied real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 15,552
Two year before current fiscal year | 16,883 | 1,477
Three year before current fiscal year | 1,158 | 107
Four year before current fiscal year | 99 | 6,422
Prior | 10,769 | 4,521
Revolving Loans | 2,306 | 1,572
Total | 31,215 | 29,651
Commercial | Non–owner occupied real estate | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Residential spec homes |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 500 | 737
Fiscal year before current fiscal year | 335 | 237
Two year before current fiscal year | 628 | 0
Three year before current fiscal year | 0 | 298
Four year before current fiscal year | 0 | 368
Prior | 1,360 | 1,177
Revolving Loans | 7,308 | 7,253
Total | 10,131 | 10,070
Commercial | Residential spec homes | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 500 | 737
Fiscal year before current fiscal year | 335 | 237
Two year before current fiscal year | 628 | 0
Three year before current fiscal year | 0 | 298
Four year before current fiscal year | 0 | 368
Prior | 1,360 | 1,177
Revolving Loans | 7,308 | 7,253
Total | 10,131 | 10,070
Commercial | Residential spec homes | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Residential spec homes | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Residential spec homes | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Development & spec land |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 42 | 573
Fiscal year before current fiscal year | 569 | 736
Two year before current fiscal year | 724 | 1,522
Three year before current fiscal year | 1,958 | 2,461
Four year before current fiscal year | 2,193 | 672
Prior | 13,097 | 12,751
Revolving Loans | 7,801 | 7,657
Total | 26,384 | 26,372
Commercial | Development & spec land | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 42 | 573
Fiscal year before current fiscal year | 569 | 736
Two year before current fiscal year | 724 | 1,522
Three year before current fiscal year | 1,480 | 2,461
Four year before current fiscal year | 2,193 | 672
Prior | 12,613 | 11,971
Revolving Loans | 7,051 | 6,907
Total | 24,672 | 24,842
Commercial | Development & spec land | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 274
Revolving Loans | 0 | 0
Total | 0 | 274
Commercial | Development & spec land | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 478 | 0
Four year before current fiscal year | 0 | 0
Prior | 484 | 506
Revolving Loans | 750 | 750
Total | 1,712 | 1,256
Commercial | Development & spec land | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 141,043 | 266,965
Fiscal year before current fiscal year | 182,098 | 72,015
Two year before current fiscal year | 62,293 | 71,138
Three year before current fiscal year | 61,767 | 99,087
Four year before current fiscal year | 91,856 | 28,515
Prior | 87,521 | 85,898
Revolving Loans | 33,774 | 36,269
Total | 660,352 | 659,887
Commercial | Commercial and industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 136,320 | 253,953
Fiscal year before current fiscal year | 175,946 | 63,772
Two year before current fiscal year | 58,700 | 58,978
Three year before current fiscal year | 57,056 | 88,121
Four year before current fiscal year | 83,191 | 26,044
Prior | 80,196 | 70,706
Revolving Loans | 30,175 | 30,845
Total | 621,584 | 592,419
Commercial | Commercial and industrial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 2,478 | 8,779
Fiscal year before current fiscal year | 4,317 | 1,164
Two year before current fiscal year | 1,029 | 1,088
Three year before current fiscal year | 987 | 9,306
Four year before current fiscal year | 7,191 | 1,835
Prior | 4,935 | 11,870
Revolving Loans | 1,096 | 3,040
Total | 22,033 | 37,082
Commercial | Commercial and industrial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 2,245 | 4,233
Fiscal year before current fiscal year | 1,835 | 7,079
Two year before current fiscal year | 2,564 | 11,072
Three year before current fiscal year | 3,724 | 1,660
Four year before current fiscal year | 1,474 | 636
Prior | 2,390 | 3,322
Revolving Loans | 2,503 | 2,384
Total | 16,735 | 30,386
Commercial | Commercial and industrial | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 19,705 | 109,487
Fiscal year before current fiscal year | 109,655 | 68,852
Two year before current fiscal year | 57,292 | 87,208
Three year before current fiscal year | 72,583 | 89,090
Four year before current fiscal year | 80,610 | 66,018
Prior | 218,529 | 178,045
Revolving Loans | 289,801 | 421,212
Total | 848,175 | 1,019,912
Real estate | Residential mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 19,705 | 109,487
Fiscal year before current fiscal year | 109,655 | 68,852
Two year before current fiscal year | 57,292 | 87,208
Three year before current fiscal year | 72,583 | 89,090
Four year before current fiscal year | 80,610 | 66,018
Prior | 218,529 | 178,045
Revolving Loans | 0 | 0
Total | 558,374 | 598,700
Real estate | Residential mortgage | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 19,705 | 109,487
Fiscal year before current fiscal year | 109,655 | 68,556
Two year before current fiscal year | 56,914 | 86,572
Three year before current fiscal year | 71,948 | 89,051
Four year before current fiscal year | 80,572 | 65,718
Prior | 211,664 | 171,322
Revolving Loans | 0 | 0
Total | 550,458 | 590,706
Real estate | Residential mortgage | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 296
Two year before current fiscal year | 378 | 636
Three year before current fiscal year | 635 | 39
Four year before current fiscal year | 38 | 300
Prior | 6,865 | 6,723
Revolving Loans | 0 | 0
Total | 7,916 | 7,994
Real estate | Residential construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 23,555 | 25,586
Total | 23,555 | 25,586
Real estate | Residential construction | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 23,555 | 25,586
Total | 23,555 | 25,586
Real estate | Residential construction | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Real estate | Mortgage warehouse |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 266,246 | 395,626
Total | 266,246 | 395,626
Real estate | Mortgage warehouse | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 266,246 | 395,626
Total | 266,246 | 395,626
Real estate | Mortgage warehouse | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 0
Four year before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 47,126 | 210,976
Fiscal year before current fiscal year | 198,179 | 149,954
Two year before current fiscal year | 135,151 | 115,353
Three year before current fiscal year | 100,441 | 70,702
Four year before current fiscal year | 60,939 | 33,414
Prior | 89,461 | 67,719
Revolving Loans | 7,106 | 7,082
Total | 638,403 | 655,200
Consumer | Direct installment |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 2,906 | 12,552
Fiscal year before current fiscal year | 10,755 | 9,552
Two year before current fiscal year | 8,407 | 5,828
Three year before current fiscal year | 5,033 | 5,951
Four year before current fiscal year | 4,875 | 2,127
Prior | 3,579 | 2,024
Revolving Loans | 67 | 12
Total | 35,622 | 38,046
Consumer | Direct installment | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 2,906 | 12,552
Fiscal year before current fiscal year | 10,729 | 9,552
Two year before current fiscal year | 8,407 | 5,828
Three year before current fiscal year | 5,033 | 5,946
Four year before current fiscal year | 4,871 | 2,124
Prior | 3,575 | 2,019
Revolving Loans | 67 | 12
Total | 35,588 | 38,033
Consumer | Direct installment | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 26 | 0
Two year before current fiscal year | 0 | 0
Three year before current fiscal year | 0 | 5
Four year before current fiscal year | 4 | 3
Prior | 4 | 5
Revolving Loans | 0 | 0
Total | 34 | 13
Consumer | Indirect installment |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 33,036 | 134,478
Fiscal year before current fiscal year | 125,105 | 97,631
Two year before current fiscal year | 87,451 | 74,607
Three year before current fiscal year | 64,651 | 37,124
Four year before current fiscal year | 31,200 | 8,716
Prior | 10,746 | 4,955
Revolving Loans | 0 | 0
Total | 352,189 | 357,511
Consumer | Indirect installment | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 33,036 | 134,394
Fiscal year before current fiscal year | 125,035 | 97,408
Two year before current fiscal year | 87,287 | 74,215
Three year before current fiscal year | 64,394 | 36,763
Four year before current fiscal year | 30,973 | 8,636
Prior | 10,577 | 4,801
Revolving Loans | 0 | 0
Total | 351,302 | 356,217
Consumer | Indirect installment | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 84
Fiscal year before current fiscal year | 70 | 223
Two year before current fiscal year | 164 | 392
Three year before current fiscal year | 257 | 361
Four year before current fiscal year | 227 | 80
Prior | 169 | 154
Revolving Loans | 0 | 0
Total | 887 | 1,294
Consumer | Home equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 11,184 | 63,946
Fiscal year before current fiscal year | 62,319 | 42,771
Two year before current fiscal year | 39,293 | 34,918
Three year before current fiscal year | 30,757 | 27,627
Four year before current fiscal year | 24,864 | 22,571
Prior | 75,136 | 60,740
Revolving Loans | 7,039 | 7,070
Total | 250,592 | 259,643
Consumer | Home equity | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 11,184 | 63,946
Fiscal year before current fiscal year | 62,319 | 42,762
Two year before current fiscal year | 39,276 | 34,807
Three year before current fiscal year | 30,598 | 27,553
Four year before current fiscal year | 24,791 | 22,450
Prior | 73,747 | 59,503
Revolving Loans | 5,250 | 5,464
Total | 247,165 | 256,485
Consumer | Home equity | Non–performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 9
Two year before current fiscal year | 17 | 111
Three year before current fiscal year | 159 | 74
Four year before current fiscal year | 73 | 121
Prior | 1,389 | 1,237
Revolving Loans | 1,789 | 1,606
Total | $ 3,427 | $ 3,158

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