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Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of loans by type and origination year, according to our internal risk ratings (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | $ 167,225 | $ 570,662
2024 | 472,852 | 1,495,356
2023 | 565,459 | 486,523
2022 | 1,476,302 | 1,284,963
2021 | 1,257,936 | 1,004,855
Prior | 3,536,139 | 2,645,131
Revolving loans amortized cost basis | 823,891 | 990,088
Revolving loans converted to term loans | 63,828 | 58,854
Total | 8,363,632 | 8,536,432
gross charge |  | 300
Gross charge-offs Current year | 40 |
Gross charge-off prior |  | 3,609
Gross Charge Offs Revolving Loans Amortized Term Loans |  | 1
Gross charge-offs Revolving loans converted to term loans |  | 498
Gross charge-offs total | 40 | 4,408
Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 119,579 | 310,235
2024 | 309,761 | 1,259,406
2023 | 411,168 | 1,097,229
2022 | 1,248,299 | 424,701
2021 | 1,077,577 | 860,687
Prior | 3,074,917 | 2,308,579
Revolving loans amortized cost basis | 206,182 | 207,624
Revolving loans converted to term loans | 43,121 | 38,991
Total | 6,490,604 | 6,507,452
Gross charge-off prior |  | 2,258
Gross charge-offs total |  | 2,258
Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 7,717
2024 | 7,020 | 8,050
2023 | 319 | 0
2022 | 8,367 | 315
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 15,706 | 16,082
SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 6,795 | 33,531
2024 | 32,690 | 47,974
2023 | 15,905 | 49,147
2022 | 47,615 | 16,064
2021 | 47,810 | 28,449
Prior | 121,029 | 97,848
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 271,844 | 273,013
Gross charge-offs Current year | 19 |
Gross charge-off prior |  | 165
Gross charge-offs total | 19 | 165
SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 254
2022 | 0 | 0
2021 | 133 | 520
Prior | 46 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 179 | 774
Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 34,204 | 101,284
2024 | 96,295 | 113,531
2023 | 115,341 | 69,886
2022 | 106,501 | 105,484
2021 | 64,520 | 69,505
Prior | 181,670 | 122,244
Revolving loans amortized cost basis | 328,762 | 328,280
Revolving loans converted to term loans | 15,008 | 14,964
Total | 942,301 | 925,178
gross charge |  | 300
Gross charge-offs Current year | 21 |
Gross charge-off prior |  | 1,186
Gross charge-offs Revolving loans converted to term loans |  | 495
Gross charge-offs total | 21 | 1,981
Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 729 | 0
2023 | 0 | 3,713
2022 | 0 | 596
2021 | 597 | 786
Prior | 953 | 201
Revolving loans amortized cost basis | 248,080 | 412,145
Revolving loans converted to term loans | 2,173 | 2,463
Total | 252,532 | 419,904
Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 2,799 | 5,111
2023 | 0 | 2,540
2022 | 5,095 | 24,715
2021 | 24,714 | 5,140
Prior | 32,595 | 28,608
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 65,203 | 66,114
SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 5,894 | 20,261
2024 | 18,617 | 21,055
2023 | 19,979 | 59,763
2022 | 59,518 | 41,156
2021 | 40,891 | 39,626
Prior | 124,318 | 87,027
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 276 | 284
Total | 269,493 | 269,172
Consumer, Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 753 | 7,242
2024 | 4,941 | 3,043
2023 | 2,747 | 1,521
2022 | 907 | 1,980
2021 | 1,694 | 142
Prior | 611 | 624
Revolving loans amortized cost basis | 40,867 | 42,039
Revolving loans converted to term loans | 3,250 | 2,152
Total | 55,770 | 58,743
Gross Charge Offs Revolving Loans Amortized Term Loans |  | 1
Gross charge-offs Revolving loans converted to term loans |  | 3
Gross charge-offs total |  | 4
Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 166,051 | 560,266
2024 | 457,904 | 1,448,946
2023 | 551,874 | 480,552
2022 | 1,423,815 | 1,250,781
2021 | 1,224,605 | 966,628
Prior | 3,345,336 | 2,495,112
Revolving loans amortized cost basis | 755,728 | 886,023
Revolving loans converted to term loans | 45,276 | 45,785
Total | 7,970,589 | 8,134,093
Pass [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 118,405 | 307,984
2024 | 298,954 | 1,216,126
2023 | 402,954 | 1,066,694
2022 | 1,199,575 | 419,547
2021 | 1,047,396 | 828,493
Prior | 2,900,403 | 2,170,119
Revolving loans amortized cost basis | 195,573 | 197,991
Revolving loans converted to term loans | 36,343 | 37,704
Total | 6,199,603 | 6,244,658
Pass [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 7,717
2024 | 7,020 | 8,050
2023 | 319 | 0
2022 | 8,367 | 315
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 15,706 | 16,082
Pass [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 6,795 | 33,531
2024 | 29,325 | 46,393
2023 | 15,905 | 47,810
2022 | 46,045 | 16,064
2021 | 46,482 | 23,733
Prior | 111,111 | 92,012
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 255,663 | 259,543
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 254
2022 | 0 | 0
2021 | 133 | 520
Prior | 46 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 179 | 774
Pass [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 34,204 | 100,465
2024 | 95,519 | 111,982
2023 | 109,970 | 67,706
2022 | 104,308 | 100,242
2021 | 62,801 | 69,084
Prior | 177,705 | 118,069
Revolving loans amortized cost basis | 314,411 | 318,147
Revolving loans converted to term loans | 5,974 | 6,213
Total | 904,892 | 891,908
Pass [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 729 | 0
2023 | 0 | 812
2022 | 0 | 596
2021 | 597 | 786
Prior | 893 | 141
Revolving loans amortized cost basis | 204,881 | 327,850
Revolving loans converted to term loans | 6 | 13
Total | 207,106 | 330,198
Pass [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 2,799 | 5,111
2023 | 0 | 2,540
2022 | 5,095 | 24,715
2021 | 24,714 | 5,140
Prior | 32,496 | 28,510
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 65,104 | 66,016
Pass [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 5,894 | 20,261
2024 | 18,617 | 21,055
2023 | 19,979 | 59,763
2022 | 59,518 | 41,156
2021 | 40,891 | 38,730
Prior | 122,071 | 85,637
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 266,970 | 266,602
Pass [Member] | Consumer, Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 753 | 7,242
2024 | 4,941 | 3,043
2023 | 2,747 | 1,521
2022 | 907 | 1,850
2021 | 1,591 | 142
Prior | 611 | 624
Revolving loans amortized cost basis | 40,863 | 42,035
Revolving loans converted to term loans | 2,953 | 1,855
Total | 55,366 | 58,312
Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 7,123
2024 | 13,774 | 37,531
2023 | 9,831 | 4,795
2022 | 43,717 | 25,114
2021 | 24,112 | 23,089
Prior | 139,627 | 110,715
Revolving loans amortized cost basis | 54,108 | 96,372
Revolving loans converted to term loans | 13,705 | 8,051
Total | 298,874 | 312,790
Special Mention [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 1,075
2024 | 9,633 | 36,505
2023 | 7,534 | 21,478
2022 | 41,993 | 4,910
2021 | 21,203 | 17,056
Prior | 127,980 | 104,201
Revolving loans amortized cost basis | 4,826 | 3,937
Revolving loans converted to term loans | 6,778 | 1,287
Total | 219,947 | 190,449
Special Mention [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Special Mention [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 3,365 | 0
2023 | 0 | 1,337
2022 | 0 | 0
2021 | 1,328 | 4,716
Prior | 6,293 | 1,830
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 10,986 | 7,883
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Special Mention [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 819
2024 | 776 | 1,026
2023 | 2,297 | 2,169
2022 | 1,724 | 2,213
2021 | 1,478 | 421
Prior | 3,965 | 4,175
Revolving loans amortized cost basis | 12,604 | 8,136
Revolving loans converted to term loans | 5,284 | 4,830
Total | 28,128 | 23,789
Special Mention [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 2,901
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 36,674 | 84,295
Revolving loans converted to term loans | 1,367 | 1,650
Total | 38,041 | 88,846
Special Mention [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 99 | 98
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 99 | 98
Special Mention [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 896
Prior | 1,290 | 411
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 276 | 284
Total | 1,566 | 1,591
Special Mention [Member] | Consumer, Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 130
2021 | 103 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 4 | 4
Revolving loans converted to term loans | 0 | 0
Total | 107 | 134
Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 1,174 | 3,273
2024 | 1,174 | 8,879
2023 | 3,754 | 1,176
2022 | 8,770 | 9,068
2021 | 9,219 | 15,138
Prior | 51,176 | 39,304
Revolving loans amortized cost basis | 14,055 | 7,693
Revolving loans converted to term loans | 4,847 | 5,018
Total | 94,169 | 89,549
Substandard [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 1,174 | 1,176
2024 | 1,174 | 6,775
2023 | 680 | 9,057
2022 | 6,731 | 244
2021 | 8,978 | 15,138
Prior | 46,534 | 34,259
Revolving loans amortized cost basis | 5,783 | 5,696
Revolving loans converted to term loans | 0 | 0
Total | 71,054 | 72,345
Substandard [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Substandard [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 523
2023 | 0 | 11
2022 | 1,570 | 3,029
2021 | 0 | 0
Prior | 3,625 | 0
Revolving loans amortized cost basis | 0 | 1,997
Revolving loans converted to term loans | 0 | 3,921
Total | 5,195 | 9,481
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Substandard [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 1,581
2023 | 3,074 | 0
2022 | 469 | 0
2021 | 241 | 0
Prior | 0 | 4,006
Revolving loans amortized cost basis | 1,747 | 0
Revolving loans converted to term loans | 3,750 | 0
Total | 9,281 | 5,587
Substandard [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 60 | 60
Revolving loans amortized cost basis | 6,525 | 0
Revolving loans converted to term loans | 800 | 800
Total | 7,385 | 860
Substandard [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 |
2022 | 0 |
2021 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Revolving loans converted to term loans | 0 |
Total | 0 |
Substandard [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 957 | 979
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 957 | 979
Substandard [Member] | Consumer, Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 297 | 297
Total | 297 | 297
Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Consumer, Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 | 0 | 0
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | $ 0 | $ 0

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- Definition Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff + References No definition available. + Details
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- Definition Financing Receivable Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff + References No definition available. + Details
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- Definition Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, Total + References No definition available. + Details
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- Definition Financing Receivable Revolving Loans Converted To Term Loans + References No definition available. + Details
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- Definition Gross Charge Offs Revolving Loans Amortized Term Loans + References No definition available. + Details
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- Definition Gross charge-offs Revolving loans converted to term loans + References No definition available. + Details
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- Definition Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
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