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Loans Receivable and Allowance for Credit Losses - Financing Receivable Credit Quality Indicators (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | $ 2,600,408,000 | $ 1,845,145,000 |
Term loan originated in year two | 1,199,325,000 | 4,084,313,000 |
Term loan originated in year three | 3,491,112,000 | 3,056,873,000 |
Term loan originated in year four | 2,576,050,000 | 1,470,519,000 |
Term loan originated in year five | 1,225,965,000 | 1,212,639,000 |
Term loan originated prior to year five | 1,777,935,000 | 1,543,568,000 |
Revolving Loans | 747,477,000 | 640,562,000 |
Total | 13,618,272,000 | 13,853,619,000 |
Current period gross charge offs, Year One, Originated, Current Fiscal Year | 0 | 5,114,000 |
Current period gross charge offs, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,214,000 | 12,638,000 |
Current period gross charge offs, Year Three, Originated, Two Years before Current Fiscal Year | 27,404,000 | 16,020,000 |
Current period gross charge offs, Year Four, Originated, Three Years before Current Fiscal Year | 107,000 | 361,000 |
Current period gross charge offs, Year Five, Originated, Four Years before Current Fiscal Year | 101,000 | 537,000 |
Current period gross charge offs, Originated, More than Five Years before Current Fiscal Year | 944,000 | 2,480,000 |
Current period gross charge offs, Revolving | 318,000 | 370,000 |
Allowance for credit loss, writeoff | 31,088,000 | 37,520,000 | $ 12,389,000
Revolving loans converted to term loans | 0 | 0 |
CRE loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 866,696,000 | 623,058,000 |
Term loan originated in year two | 580,233,000 | 2,432,696,000 |
Term loan originated in year three | 2,331,158,000 | 2,068,615,000 |
Term loan originated in year four | 1,926,172,000 | 1,244,883,000 |
Term loan originated in year five | 1,119,129,000 | 1,004,529,000 |
Term loan originated prior to year five | 1,585,556,000 | 1,344,677,000 |
Revolving Loans | 118,064,000 | 79,426,000 |
Total | 8,527,008,000 | 8,797,884,000 |
Current period gross charge offs, Year One, Originated, Current Fiscal Year | 0 | 103,000 |
Current period gross charge offs, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 315,000 |
Current period gross charge offs, Year Three, Originated, Two Years before Current Fiscal Year | 165,000 | 0 |
Current period gross charge offs, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 233,000 |
Current period gross charge offs, Year Five, Originated, Four Years before Current Fiscal Year | 101,000 | 355,000 |
Current period gross charge offs, Originated, More than Five Years before Current Fiscal Year | 842,000 | 1,941,000 |
Current period gross charge offs, Revolving | 0 | 0 |
Allowance for credit loss, writeoff | 1,108,000 | 2,947,000 | 6,803,000
C&I loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 1,440,787,000 | 1,124,120,000 |
Term loan originated in year two | 535,768,000 | 1,285,421,000 |
Term loan originated in year three | 814,822,000 | 723,689,000 |
Term loan originated in year four | 409,624,000 | 220,376,000 |
Term loan originated in year five | 102,838,000 | 177,719,000 |
Term loan originated prior to year five | 58,931,000 | 63,377,000 |
Revolving Loans | 604,826,000 | 540,342,000 |
Total | 3,967,596,000 | 4,135,044,000 |
Current period gross charge offs, Year One, Originated, Current Fiscal Year | 0 | 5,011,000 |
Current period gross charge offs, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,214,000 | 12,323,000 |
Current period gross charge offs, Year Three, Originated, Two Years before Current Fiscal Year | 27,239,000 | 16,020,000 |
Current period gross charge offs, Year Four, Originated, Three Years before Current Fiscal Year | 107,000 | 128,000 |
Current period gross charge offs, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 182,000 |
Current period gross charge offs, Originated, More than Five Years before Current Fiscal Year | 102,000 | 539,000 |
Current period gross charge offs, Revolving | 0 | 0 |
Allowance for credit loss, writeoff | 29,662,000 | 34,203,000 | 5,160,000
Residential Mortgage Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 286,539,000 | 93,982,000 |
Term loan originated in year two | 82,682,000 | 365,252,000 |
Term loan originated in year three | 344,940,000 | 264,291,000 |
Term loan originated in year four | 240,092,000 | 3,192,000 |
Term loan originated in year five | 3,123,000 | 30,020,000 |
Term loan originated prior to year five | 125,083,000 | 126,950,000 |
Revolving Loans | 0 | 0 |
Total | 1,082,459,000 | 883,687,000 |
Current period gross charge offs, Year One, Originated, Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Revolving | 0 | 0 |
Allowance for credit loss, writeoff | 0 | 0 | 22,000
Consumer and other loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 6,386,000 | 3,985,000 |
Term loan originated in year two | 642,000 | 944,000 |
Term loan originated in year three | 192,000 | 278,000 |
Term loan originated in year four | 162,000 | 2,068,000 |
Term loan originated in year five | 875,000 | 371,000 |
Term loan originated prior to year five | 8,365,000 | 8,564,000 |
Revolving Loans | 24,587,000 | 20,794,000 |
Total | 41,209,000 | 37,004,000 |
Current period gross charge offs, Year One, Originated, Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
Current period gross charge offs, Revolving | 318,000 | 370,000 |
Allowance for credit loss, writeoff | 318,000 | 370,000 | $ 404,000
Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 2,586,434,000 | 1,828,244,000 |
Term loan originated in year two | 1,142,023,000 | 4,004,137,000 |
Term loan originated in year three | 3,404,507,000 | 2,993,939,000 |
Term loan originated in year four | 2,472,902,000 | 1,446,220,000 |
Term loan originated in year five | 1,216,727,000 | 1,188,732,000 |
Term loan originated prior to year five | 1,708,717,000 | 1,490,420,000 |
Revolving Loans | 636,993,000 | 579,486,000 |
Total | 13,168,303,000 | 13,531,178,000 |
Pass | CRE loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 866,696,000 | 623,058,000 |
Term loan originated in year two | 564,267,000 | 2,429,146,000 |
Term loan originated in year three | 2,316,371,000 | 2,045,863,000 |
Term loan originated in year four | 1,885,509,000 | 1,239,654,000 |
Term loan originated in year five | 1,111,807,000 | 996,483,000 |
Term loan originated prior to year five | 1,535,735,000 | 1,297,295,000 |
Revolving Loans | 117,265,000 | 79,426,000 |
Total | 8,397,650,000 | 8,710,925,000 |
Pass | C&I loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 1,426,813,000 | 1,107,219,000 |
Term loan originated in year two | 494,432,000 | 1,208,795,000 |
Term loan originated in year three | 743,004,000 | 683,821,000 |
Term loan originated in year four | 348,107,000 | 203,142,000 |
Term loan originated in year five | 102,725,000 | 162,815,000 |
Term loan originated prior to year five | 43,377,000 | 61,019,000 |
Revolving Loans | 495,141,000 | 479,266,000 |
Total | 3,653,599,000 | 3,906,077,000 |
Pass | Residential Mortgage Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 286,539,000 | 93,982,000 |
Term loan originated in year two | 82,682,000 | 365,252,000 |
Term loan originated in year three | 344,940,000 | 263,977,000 |
Term loan originated in year four | 239,124,000 | 1,356,000 |
Term loan originated in year five | 1,320,000 | 29,063,000 |
Term loan originated prior to year five | 121,287,000 | 123,885,000 |
Revolving Loans | 0 | 0 |
Total | 1,075,892,000 | 877,515,000 |
Pass | Consumer and other loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 6,386,000 | 3,985,000 |
Term loan originated in year two | 642,000 | 944,000 |
Term loan originated in year three | 192,000 | 278,000 |
Term loan originated in year four | 162,000 | 2,068,000 |
Term loan originated in year five | 875,000 | 371,000 |
Term loan originated prior to year five | 8,318,000 | 8,221,000 |
Revolving Loans | 24,587,000 | 20,794,000 |
Total | 41,162,000 | 36,661,000 |
Special mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 1,773,000 | 9,743,000 |
Term loan originated in year two | 31,116,000 | 25,414,000 |
Term loan originated in year three | 33,710,000 | 46,840,000 |
Term loan originated in year four | 31,997,000 | 11,115,000 |
Term loan originated in year five | 1,853,000 | 20,577,000 |
Term loan originated prior to year five | 23,470,000 | 5,196,000 |
Revolving Loans | 55,154,000 | 60,107,000 |
Total | 179,073,000 | 178,992,000 |
Special mention | CRE loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 15,000,000 | 2,001,000 |
Term loan originated in year three | 9,879,000 | 15,452,000 |
Term loan originated in year four | 7,800,000 | 2,518,000 |
Term loan originated in year five | 1,853,000 | 5,963,000 |
Term loan originated prior to year five | 8,778,000 | 5,196,000 |
Revolving Loans | 799,000 | 0 |
Total | 44,109,000 | 31,130,000 |
Allowance for credit loss, writeoff |  | 29,600,000 |
Special mention | C&I loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 1,773,000 | 9,743,000 |
Term loan originated in year two | 16,116,000 | 23,413,000 |
Term loan originated in year three | 23,831,000 | 31,388,000 |
Term loan originated in year four | 24,197,000 | 8,597,000 |
Term loan originated in year five | 0 | 14,614,000 |
Term loan originated prior to year five | 14,692,000 | 0 |
Revolving Loans | 54,355,000 | 60,107,000 |
Total | 134,964,000 | 147,862,000 |
Special mention | Residential Mortgage Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 0 | 0 |
Term loan originated in year three | 0 | 0 |
Term loan originated in year four | 0 | 0 |
Term loan originated in year five | 0 | 0 |
Term loan originated prior to year five | 0 | 0 |
Revolving Loans | 0 | 0 |
Total | 0 | 0 |
Special mention | Consumer and other loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 0 | 0 |
Term loan originated in year three | 0 | 0 |
Term loan originated in year four | 0 | 0 |
Term loan originated in year five | 0 | 0 |
Term loan originated prior to year five | 0 | 0 |
Revolving Loans | 0 | 0 |
Total | 0 | 0 |
Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 11,990,000 | 7,158,000 |
Term loan originated in year two | 8,740,000 | 54,762,000 |
Term loan originated in year three | 24,737,000 | 16,094,000 |
Term loan originated in year four | 71,151,000 | 13,184,000 |
Term loan originated in year five | 7,385,000 | 3,330,000 |
Term loan originated prior to year five | 45,748,000 | 47,952,000 |
Revolving Loans | 55,330,000 | 969,000 |
Total | 225,081,000 | 143,449,000 |
Substandard | CRE loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 966,000 | 1,549,000 |
Term loan originated in year three | 4,908,000 | 7,300,000 |
Term loan originated in year four | 32,863,000 | 2,711,000 |
Term loan originated in year five | 5,469,000 | 2,083,000 |
Term loan originated prior to year five | 41,043,000 | 42,186,000 |
Revolving Loans | 0 | 0 |
Total | 85,249,000 | 55,829,000 |
Substandard | C&I loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 11,990,000 | 7,158,000 |
Term loan originated in year two | 7,774,000 | 53,213,000 |
Term loan originated in year three | 19,829,000 | 8,480,000 |
Term loan originated in year four | 37,320,000 | 8,637,000 |
Term loan originated in year five | 113,000 | 290,000 |
Term loan originated prior to year five | 862,000 | 2,358,000 |
Revolving Loans | 55,330,000 | 969,000 |
Total | 133,218,000 | 81,105,000 |
Substandard | Residential Mortgage Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 0 | 0 |
Term loan originated in year three | 0 | 314,000 |
Term loan originated in year four | 968,000 | 1,836,000 |
Term loan originated in year five | 1,803,000 | 957,000 |
Term loan originated prior to year five | 3,796,000 | 3,065,000 |
Revolving Loans | 0 | 0 |
Total | 6,567,000 | 6,172,000 |
Substandard | Consumer and other loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 0 | 0 |
Term loan originated in year two | 0 | 0 |
Term loan originated in year three | 0 | 0 |
Term loan originated in year four | 0 | 0 |
Term loan originated in year five | 0 | 0 |
Term loan originated prior to year five | 47,000 | 343,000 |
Revolving Loans | 0 | 0 |
Total | 47,000 | $ 343,000 |
Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 211,000 |  |
Term loan originated in year two | 17,446,000 |  |
Term loan originated in year three | 28,158,000 |  |
Term loan originated in year four | 0 |  |
Term loan originated in year five | 0 |  |
Term loan originated prior to year five | 0 |  |
Revolving Loans | 0 |  |
Total | 45,815,000 |  |
Doubtful | C&I loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Term loan originated in year one | 211,000 |  |
Term loan originated in year two | 17,446,000 |  |
Term loan originated in year three | 28,158,000 |  |
Term loan originated in year four | 0 |  |
Term loan originated in year five | 0 |  |
Term loan originated prior to year five | 0 |  |
Revolving Loans | 0 |  |
Total | $ 45,815,000 |  |

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