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Loans Receivable, Allowance for Credit Losses and Credit Quality - Aging of the Amortized Cost of Loans Receivables (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Loans Receivable and ACL |  |
Total loans, gross | $ 4,722,951 | $ 4,339,468
Nonaccrual | 11,357 | 13,856
Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 4,702,560 | 4,305,967
30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 3,356 | 17,091
60-89 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 4,351 | 2,554
90 Days or More |  |
Loans Receivable and ACL |  |
Past Due 90 Days or More & Still Accruing | 1,327 |
Residential real estate |  |
Loans Receivable and ACL |  |
Total loans, gross | 1,272,835 | 1,254,832
Residential real estate | One to four-family residential |  |
Loans Receivable and ACL |  |
Total loans, gross | 1,133,856 | 1,130,791
Nonaccrual | 2,600 | 2,930
Residential real estate | One to four-family residential | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 1,130,365 | 1,124,762
Residential real estate | One to four-family residential | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 377 | 2,363
Residential real estate | One to four-family residential | 60-89 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 343 | 736
Residential real estate | One to four-family residential | 90 Days or More |  |
Loans Receivable and ACL |  |
Past Due 90 Days or More & Still Accruing | 171 |
Residential real estate | Home equity |  |
Loans Receivable and ACL |  |
Total loans, gross | 138,979 | 124,041
Nonaccrual | 1,172 | 958
Residential real estate | Home equity | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 137,620 | 122,812
Residential real estate | Home equity | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 187 | 100
Residential real estate | Home equity | 60-89 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross |  | 171
Residential real estate | Commercial real estate |  |
Loans Receivable and ACL |  |
Total loans, gross | 1,449,675 | 1,363,394
Nonaccrual | 809 | 3,005
Residential real estate | Commercial real estate | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 1,447,710 | 1,355,064
Residential real estate | Commercial real estate | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross |  | 5,325
Residential real estate | Commercial real estate | 90 Days or More |  |
Loans Receivable and ACL |  |
Past Due 90 Days or More & Still Accruing | 1,156 |
Residential real estate | Multi-family residential |  |
Loans Receivable and ACL |  |
Total loans, gross | 430,428 | 333,047
Residential real estate | Multi-family residential | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 430,428 | 332,740
Residential real estate | Multi-family residential | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross |  | 307
Residential real estate | Construction & land development |  |
Loans Receivable and ACL |  |
Total loans, gross | 655,023 | 583,809
Nonaccrual | 10 | 10
Residential real estate | Construction & land development | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 655,013 | 583,435
Residential real estate | Construction & land development | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross |  | 364
Commercial |  |
Loans Receivable and ACL |  |
Total loans, gross | 3,186,857 | 2,840,078
Commercial | Construction & land development |  |
Loans Receivable and ACL |  |
Total loans, gross | 655,023 | 583,809
Commercial | Commercial and industrial |  |
Loans Receivable and ACL |  |
Total loans, gross | 651,731 | 559,828
Nonaccrual | 4,686 | 4,558
Commercial | Commercial and industrial | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 644,657 | 550,353
Commercial | Commercial and industrial | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross |  | 4,907
Commercial | Commercial and industrial | 60-89 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 2,388 | 10
Consumer |  |
Loans Receivable and ACL |  |
Total loans, gross | 263,259 | 244,558
Nonaccrual | 2,080 | 2,395
Consumer | Current Loans |  |
Loans Receivable and ACL |  |
Total loans, gross | 256,767 | 236,801
Consumer | 30-59 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | 2,792 | 3,725
Consumer | 60-89 Days Past Due |  |
Loans Receivable and ACL |  |
Total loans, gross | $ 1,620 | $ 1,637

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