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Fair Value Measurements - Estimated Fair Values, Related Carrying Amounts, and Valuation Level of the Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Level 1 |  |
Financial Assets |  |
Cash and cash equivalents | $ 295,377 | $ 363,855
Accrued interest receivable | 21,074 | 19,685
Financial Liabilities |  |
Deposits, other than time deposits | 2,418,955 | 2,214,372
Level 2 |  |
Financial Assets |  |
Federal home Loan Bank stock | 11,541 | 6,728
Federal Reserve Bank stock | 12,831 | 12,142
Bank owned life insurance ("BOLI") | 56,342 | 102,785
Financial Liabilities |  |
Time deposits | 2,147,754 | 1,964,801
FHLB borrowings | 41,337 | 120,778
Level 3 |  |
Financial Assets |  |
Loans receivable, net | 4,613,357 | 4,196,079
Non-public investments | 20,159 | 5,494
Carrying Value |  |
Financial Assets |  |
Cash and cash equivalents | 295,377 | 363,855
Loans receivable, net | 4,673,077 | 4,294,408
Accrued interest receivable | 21,074 | 19,685
Federal home Loan Bank stock | 11,541 | 6,728
Federal Reserve Bank stock | 12,831 | 12,142
Non-public investments | 20,159 | 5,494
Bank owned life insurance ("BOLI") | 56,342 | 102,785
Financial Liabilities |  |
Deposits, other than time deposits | 2,418,955 | 2,214,372
Time deposits | 2,146,709 | 1,963,280
FHLB borrowings | 41,453 | 120,835
Fair Value |  |
Financial Assets |  |
Cash and cash equivalents | 295,377 | 363,855
Loans receivable, net | 4,613,357 | 4,196,079
Accrued interest receivable | 21,074 | 19,685
Federal home Loan Bank stock | 11,541 | 6,728
Federal Reserve Bank stock | 12,831 | 12,142
Non-public investments | 20,159 | 5,494
Bank owned life insurance ("BOLI") | 56,342 | 102,785
Financial Liabilities |  |
Deposits, other than time deposits | 2,418,955 | 2,214,372
Time deposits | 2,147,754 | 1,964,801
FHLB borrowings | $ 41,337 | $ 120,778

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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