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Bank segment - Credit Risk Profile - Payment Activity and Assigned Grades (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Credit risk profile by internally assigned grade for loans |  |
Current year | $ 75,345 | $ 638,750
One year before current year | 630,920 | 1,212,344
Two years before current year | 1,176,407 | 1,081,072
Three years before current year | 1,066,554 | 747,623
Four years before current year | 738,844 | 234,179
Prior | 1,254,463 | 1,081,789
Revolving | 1,130,260 | 1,145,385
Converted to term loans | 72,462 | 69,436
Total | 6,145,255 | 6,210,578
30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 6,761 | 8,712
60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 3,666 | 8,148
Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 24,812 | 23,073
Real estate | Residential 1-4 family |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 43,536 | 263,605
One year before current year | 260,253 | 411,257
Two years before current year | 403,815 | 732,821
Three years before current year | 724,507 | 401,163
Four years before current year | 396,319 | 104,976
Prior | 769,661 | 681,340
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,598,091 | 2,595,162
Real estate | Residential 1-4 family | Current |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 43,536 | 263,605
One year before current year | 260,253 | 407,304
Two years before current year | 401,887 | 729,256
Three years before current year | 722,614 | 399,766
Four years before current year | 395,190 | 104,487
Prior | 761,888 | 672,408
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,585,368 | 2,576,826
Real estate | Residential 1-4 family | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 708
Two years before current year | 0 | 0
Three years before current year | 0 | 268
Four years before current year | 0 | 0
Prior | 2,191 | 3,525
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,191 | 4,501
Real estate | Residential 1-4 family | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 726
Two years before current year | 0 | 2,694
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 773 | 1,745
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 773 | 5,165
Real estate | Residential 1-4 family | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 2,519
Two years before current year | 1,928 | 871
Three years before current year | 1,893 | 1,129
Four years before current year | 1,129 | 489
Prior | 4,809 | 3,662
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 9,759 | 8,670
Real estate | Home equity line of credit |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 932,778 | 957,388
Converted to term loans | 63,271 | 59,819
Total | 996,049 | 1,017,207
Real estate | Home equity line of credit | Current |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 929,649 | 954,461
Converted to term loans | 62,087 | 59,146
Total | 991,736 | 1,013,607
Real estate | Home equity line of credit | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 971 | 1,219
Converted to term loans | 700 | 262
Total | 1,671 | 1,481
Real estate | Home equity line of credit | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 740 | 597
Converted to term loans | 169 | 0
Total | 909 | 597
Real estate | Home equity line of credit | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 1,418 | 1,111
Converted to term loans | 315 | 411
Total | 1,733 | 1,522
Real estate | Residential land |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 1,955 | 3,788
One year before current year | 3,748 | 4,772
Two years before current year | 4,563 | 7,234
Three years before current year | 5,467 | 1,847
Four years before current year | 1,746 | 0
Prior | 718 | 723
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 18,197 | 18,364
Real estate | Residential land | Current |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 1,955 | 3,788
One year before current year | 3,748 | 4,097
Two years before current year | 3,888 | 7,234
Three years before current year | 5,467 | 1,847
Four years before current year | 1,746 | 0
Prior | 718 | 723
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 17,522 | 17,689
Real estate | Residential land | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Residential land | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 675
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 675
Real estate | Residential land | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 675 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 675 | 0
Real estate | Residential construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 388 | 5,369
One year before current year | 6,189 | 10,984
Two years before current year | 10,440 | 1,490
Three years before current year | 739 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 17,756 | 17,843
Real estate | Residential construction | Current |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 388 | 5,369
One year before current year | 6,189 | 10,984
Two years before current year | 10,440 | 1,490
Three years before current year | 739 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 17,756 | 17,843
Real estate | Residential construction | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Residential construction | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Residential construction | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 8,436 | 104,368
One year before current year | 104,489 | 386,119
Two years before current year | 384,828 | 193,683
Three years before current year | 192,636 | 267,458
Four years before current year | 265,611 | 90,783
Prior | 396,912 | 316,145
Revolving | 15,482 | 15,482
Converted to term loans | 0 | 0
Total | 1,368,394 | 1,374,038
Real estate | Commercial real estate | Pass |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 8,436 | 104,368
One year before current year | 104,489 | 384,144
Two years before current year | 382,853 | 180,986
Three years before current year | 191,109 | 267,458
Four years before current year | 265,611 | 65,625
Prior | 363,035 | 307,367
Revolving | 15,482 | 15,482
Converted to term loans | 0 | 0
Total | 1,331,015 | 1,325,430
Real estate | Commercial real estate | Special Mention |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 1,975
Two years before current year | 1,975 | 11,159
Three years before current year | 0 | 0
Four years before current year | 0 | 14,110
Prior | 17,338 | 3,008
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 19,313 | 30,252
Real estate | Commercial real estate | Substandard |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 1,538
Three years before current year | 1,527 | 0
Four years before current year | 0 | 11,048
Prior | 13,991 | 5,770
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 15,518 | 18,356
Real estate | Commercial real estate | Doubtful |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 2,548 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,548 | 0
Real estate | Commercial real estate | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Real estate | Commercial real estate | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Real estate | Commercial real estate | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 11,048 | 11,048
Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 45,863
One year before current year | 55,494 | 33,240
Two years before current year | 39,399 | 26,133
Three years before current year | 26,545 | 1,333
Four years before current year | 1,333 | 0
Prior | 0 | 0
Revolving | 63,086 | 65,836
Converted to term loans | 0 | 0
Total | 185,857 | 172,405
Real estate | Commercial construction | Pass |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 45,863
One year before current year | 55,494 | 33,240
Two years before current year | 39,399 | 26,133
Three years before current year | 26,545 | 1,333
Four years before current year | 1,333 | 0
Prior | 0 | 0
Revolving | 63,086 | 65,836
Converted to term loans | 0 | 0
Total | 185,857 | 172,405
Real estate | Commercial construction | Special Mention |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Commercial construction | Substandard |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Commercial construction | Doubtful |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 0 | 0
Real estate | Commercial construction | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Real estate | Commercial construction | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Real estate | Commercial construction | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 9,034 | 89,230
One year before current year | 78,524 | 156,225
Two years before current year | 145,293 | 10,243
Three years before current year | 8,526 | 1,748
Four years before current year | 1,179 | 530
Prior | 430 | 200
Revolving | 10,519 | 10,846
Converted to term loans | 2,768 | 3,234
Total | 256,273 | 272,256
Consumer | Current |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 8,829 | 87,686
One year before current year | 76,930 | 153,239
Two years before current year | 141,903 | 9,852
Three years before current year | 8,207 | 1,654
Four years before current year | 1,127 | 451
Prior | 406 | 200
Revolving | 10,207 | 10,663
Converted to term loans | 2,395 | 2,779
Total | 250,004 | 266,524
Consumer | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 205 | 805
One year before current year | 612 | 1,314
Two years before current year | 1,559 | 176
Three years before current year | 167 | 29
Four years before current year | 11 | 24
Prior | 11 | 0
Revolving | 152 | 56
Converted to term loans | 110 | 163
Total | 2,827 | 2,567
Consumer | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 385
One year before current year | 613 | 886
Two years before current year | 1,150 | 114
Three years before current year | 84 | 41
Four years before current year | 15 | 21
Prior | 3 | 0
Revolving | 70 | 60
Converted to term loans | 49 | 69
Total | 1,984 | 1,576
Consumer | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 354
One year before current year | 369 | 786
Two years before current year | 681 | 101
Three years before current year | 68 | 24
Four years before current year | 26 | 34
Prior | 10 | 0
Revolving | 90 | 67
Converted to term loans | 214 | 223
Total | 1,458 | 1,589
Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 11,996 | 126,527
One year before current year | 122,223 | 209,747
Two years before current year | 188,069 | 109,468
Three years before current year | 108,134 | 74,074
Four years before current year | 72,656 | 37,890
Prior | 86,742 | 83,381
Revolving | 108,395 | 95,833
Converted to term loans | 6,423 | 6,383
Total | 704,638 | 743,303
Commercial | Pass |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 11,996 | 124,667
One year before current year | 102,699 | 199,796
Two years before current year | 178,426 | 106,669
Three years before current year | 105,411 | 73,976
Four years before current year | 72,558 | 37,580
Prior | 83,332 | 80,012
Revolving | 99,943 | 87,206
Converted to term loans | 6,284 | 6,250
Total | 660,649 | 716,156
Commercial | Special Mention |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 1,860
One year before current year | 19,524 | 6,989
Two years before current year | 6,774 | 951
Three years before current year | 933 | 0
Four years before current year | 0 | 250
Prior | 228 | 0
Revolving | 7,176 | 7,352
Converted to term loans | 0 | 0
Total | 34,635 | 17,402
Commercial | Substandard |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 2,962
Two years before current year | 2,869 | 1,848
Three years before current year | 1,790 | 98
Four years before current year | 0 | 60
Prior | 3,182 | 3,369
Revolving | 1,276 | 1,275
Converted to term loans | 139 | 133
Total | 9,256 | 9,745
Commercial | Doubtful |  |
Credit risk profile by internally assigned grade for loans |  |
Current year | 0 | 0
One year before current year | 0 | 0
Two years before current year | 0 | 0
Three years before current year | 0 | 0
Four years before current year | 98 | 0
Prior | 0 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 98 | 0
Commercial | 30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 72 | 163
Commercial | 60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 135
Commercial | Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | $ 139 | $ 244

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