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Bank segment - Credit risk profile - payment activity and assigned grades (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Credit risk profile by internally assigned grade for loans |  |
Current Year | $ 186,653 | $ 1,325,112
One Year before Current Year | 1,282,228 | 934,584
Two Years before Current Year | 894,415 | 367,452
Three Years before Current Year | 343,354 | 236,305
Four Years before Current Year | 204,145 | 217,965
Prior | 1,261,115 | 1,119,478
Revolving | 960,153 | 958,710
Converted to term loans | 61,197 | 61,598
Total | 5,193,260 | 5,221,204
Real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 4,368,723 | 4,313,934
Real estate | Residential 1-4 family |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 77,374 | 791,758
One Year before Current Year | 779,764 | 461,683
Two Years before Current Year | 448,738 | 136,332
Three Years before Current Year | 125,136 | 65,230
Four Years before Current Year | 59,776 | 124,994
Prior | 788,883 | 719,215
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,279,671 | 2,299,212
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 | 804,781 | 795,668
Converted to term loans | 40,490 | 39,995
Total | 845,271 | 835,663
Real estate | Residential land |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 2,703 | 10,572
One Year before Current Year | 10,550 | 6,794
Two Years before Current Year | 6,725 | 1,116
Three Years before Current Year | 958 | 532
Four Years before Current Year | 530 | 267
Prior | 843 | 578
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 22,309 | 19,859
Real estate | Residential construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 2,423 | 7,856
One Year before Current Year | 10,493 | 3,019
Two Years before Current Year | 2,336 | 0
Three Years before Current Year | 0 | 0
Four Years before Current Year | 0 | 263
Prior | 256 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 15,508 | 11,138
Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 72,390 | 193,394
One Year before Current Year | 191,141 | 279,455
Two Years before Current Year | 296,719 | 106,188
Three Years before Current Year | 106,169 | 89,219
Four Years before Current Year | 77,736 | 56,174
Prior | 367,242 | 320,950
Revolving | 4,235 | 11,602
Converted to term loans | 0 | 0
Total | 1,115,632 | 1,056,982
Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 119 | 17,140
One Year before Current Year | 22,614 | 43,261
Two Years before Current Year | 32,846 | 0
Three Years before Current Year | 0 | 11,342
Four Years before Current Year | 11,341 | 0
Prior | 0 | 0
Revolving | 23,412 | 19,337
Converted to term loans | 0 | 0
Total | 90,332 | 91,080
Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 23,123 | 37,838
One Year before Current Year | 33,051 | 15,889
Two Years before Current Year | 12,939 | 30,679
Three Years before Current Year | 23,200 | 11,506
Four Years before Current Year | 6,901 | 352
Prior | 333 | 238
Revolving | 12,116 | 13,044
Converted to term loans | 4,427 | 4,420
Total | 116,090 | 113,966
Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 8,521 | 266,554
One Year before Current Year | 234,615 | 124,483
Two Years before Current Year | 94,112 | 93,137
Three Years before Current Year | 87,891 | 58,476
Four Years before Current Year | 47,861 | 35,915
Prior | 103,558 | 78,497
Revolving | 115,609 | 119,059
Converted to term loans | 16,280 | 17,183
Total | 708,447 | 793,304
Pass | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 72,390 | 173,794
One Year before Current Year | 171,541 | 275,242
Two Years before Current Year | 292,533 | 49,317
Three Years before Current Year | 53,006 | 56,490
Four Years before Current Year | 61,639 | 33,581
Prior | 296,669 | 259,583
Revolving | 4,235 | 11,602
Converted to term loans | 0 | 0
Total | 952,013 | 859,609
Pass | Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 119 | 17,140
One Year before Current Year | 22,614 | 43,261
Two Years before Current Year | 32,846 | 0
Three Years before Current Year | 0 | 11,342
Four Years before Current Year | 11,341 | 0
Prior | 0 | 0
Revolving | 23,412 | 19,337
Converted to term loans | 0 | 0
Total | 90,332 | 91,080
Pass | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 8,521 | 266,087
One Year before Current Year | 234,161 | 96,963
Two Years before Current Year | 83,927 | 79,329
Three Years before Current Year | 75,241 | 56,497
Four Years before Current Year | 46,058 | 31,019
Prior | 89,119 | 66,570
Revolving | 89,919 | 96,673
Converted to term loans | 14,951 | 15,510
Total | 641,897 | 708,648
Special Mention | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 19,600
One Year before Current Year | 19,600 | 3,529
Two Years before Current Year | 3,508 | 42,935
Three Years before Current Year | 41,925 | 30,870
Four Years before Current Year | 14,250 | 20,788
Prior | 43,372 | 32,824
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 122,655 | 150,546
Special Mention | Real estate | Commercial construction |  |
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
Special Mention | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 40
One Year before Current Year | 31 | 27,336
Two Years before Current Year | 10,012 | 10,071
Three Years before Current Year | 9,540 | 202
Four Years before Current Year | 117 | 439
Prior | 7,680 | 8,966
Revolving | 18,364 | 15,303
Converted to term loans | 17 | 18
Total | 45,761 | 62,375
Substandard | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 0
One Year before Current Year | 0 | 684
Two Years before Current Year | 678 | 13,936
Three Years before Current Year | 11,238 | 1,859
Four Years before Current Year | 1,847 | 1,805
Prior | 27,201 | 28,543
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 40,964 | 46,827
Substandard | Real estate | Commercial construction |  |
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
Substandard | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 427
One Year before Current Year | 423 | 184
Two Years before Current Year | 173 | 3,737
Three Years before Current Year | 3,110 | 1,777
Four Years before Current Year | 1,686 | 4,457
Prior | 6,759 | 2,961
Revolving | 7,326 | 7,083
Converted to term loans | 1,312 | 1,655
Total | 20,789 | 22,281
Doubtful | Real estate | Commercial real estate |  |
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
Doubtful | Real estate | Commercial construction |  |
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
Doubtful | Commercial |  |
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
Current | Real estate | Residential 1-4 family |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 77,374 | 791,758
One Year before Current Year | 779,764 | 461,683
Two Years before Current Year | 448,738 | 133,345
Three Years before Current Year | 125,136 | 64,421
Four Years before Current Year | 58,967 | 124,994
Prior | 781,055 | 712,452
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,271,034 | 2,288,653
Current | 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 | 803,515 | 794,518
Converted to term loans | 39,683 | 39,116
Total | 843,198 | 833,634
Current | Real estate | Residential land |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 2,703 | 10,572
One Year before Current Year | 10,550 | 6,794
Two Years before Current Year | 6,725 | 1,116
Three Years before Current Year | 958 | 532
Four Years before Current Year | 530 | 267
Prior | 446 | 181
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 21,912 | 19,462
Current | Real estate | Residential construction |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 2,423 | 7,856
One Year before Current Year | 10,493 | 3,019
Two Years before Current Year | 2,336 | 0
Three Years before Current Year | 0 | 0
Four Years before Current Year | 0 | 263
Prior | 256 | 0
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 15,508 | 11,138
Current | Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 22,938 | 37,563
One Year before Current Year | 32,765 | 15,488
Two Years before Current Year | 12,643 | 29,383
Three Years before Current Year | 22,292 | 10,897
Four Years before Current Year | 6,434 | 302
Prior | 318 | 238
Revolving | 11,886 | 12,740
Converted to term loans | 4,163 | 4,157
Total | 113,439 | 110,768
30-59 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 4,267 | 5,703
30-59 days past due | Real estate | Residential 1-4 family |  |
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 | 809
Four Years before Current Year | 0 | 0
Prior | 1,920 | 2,210
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 1,920 | 3,019
30-59 days past due | 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 | 457 | 296
Converted to term loans | 512 | 313
Total | 969 | 609
30-59 days past due | Real estate | Residential land |  |
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
30-59 days past due | Real estate | Residential construction |  |
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
30-59 days past due | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
30-59 days past due | Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
30-59 days past due | Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 185 | 202
One Year before Current Year | 187 | 181
Two Years before Current Year | 126 | 517
Three Years before Current Year | 377 | 234
Four Years before Current Year | 170 | 15
Prior | 2 | 0
Revolving | 96 | 156
Converted to term loans | 35 | 70
Total | 1,178 | 1,375
30-59 days past due | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 200 | 700
60-89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 3,238 | 2,749
60-89 days past due | Real estate | Residential 1-4 family |  |
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 | 2,414 | 1,468
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 2,414 | 1,468
60-89 days past due | 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 | 64 | 16
Converted to term loans | 0 | 70
Total | 64 | 86
60-89 days past due | Real estate | Residential land |  |
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
60-89 days past due | Real estate | Residential construction |  |
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
60-89 days past due | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
60-89 days past due | Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
60-89 days past due | Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 59
One Year before Current Year | 56 | 127
Two Years before Current Year | 115 | 392
Three Years before Current Year | 278 | 183
Four Years before Current Year | 97 | 8
Prior | 4 | 0
Revolving | 23 | 7
Converted to term loans | 48 | 106
Total | 621 | 882
60-89 days past due | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 139 | 313
Greater than 89 days past due |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 6,632 | 8,792
Greater than 89 days past due | Real estate | Residential 1-4 family |  |
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 | 2,987
Three Years before Current Year | 0 | 0
Four Years before Current Year | 809 | 0
Prior | 3,494 | 3,085
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 4,303 | 6,072
Greater than 89 days past due | 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 | 745 | 838
Converted to term loans | 295 | 496
Total | 1,040 | 1,334
Greater than 89 days past due | Real estate | Residential land |  |
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 | 397 | 397
Revolving | 0 | 0
Converted to term loans | 0 | 0
Total | 397 | 397
Greater than 89 days past due | Real estate | Residential construction |  |
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
Greater than 89 days past due | Real estate | Commercial real estate |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Greater than 89 days past due | Real estate | Commercial construction |  |
Credit risk profile by internally assigned grade for loans |  |
Total | 0 | 0
Greater than 89 days past due | Consumer |  |
Credit risk profile by internally assigned grade for loans |  |
Current Year | 0 | 14
One Year before Current Year | 43 | 93
Two Years before Current Year | 55 | 387
Three Years before Current Year | 253 | 192
Four Years before Current Year | 200 | 27
Prior | 9 | 0
Revolving | 111 | 141
Converted to term loans | 181 | 87
Total | 852 | 941
Greater than 89 days past due | Commercial |  |
Credit risk profile by internally assigned grade for loans |  |
Total | $ 40 | $ 48

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