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Fair Value Measurements - Estimated Fair Values of the Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financial assets: |  |
Trading securities | $ 9,759 | $ 8,968
Debt securities available-for-sale | 894,272 | 808,031
Debt securities held-to-maturity | 9,320 | 9,249
Financial liabilities: |  |
Equity securities not been classified in the fair value | 1,100 | 1,000
Carrying Value |  |
Financial assets: |  |
Cash and cash equivalents | 85,825 | 77,762
Trading securities | 9,759 | 8,968
Debt securities available-for-sale | 894,272 | 808,031
Debt securities held-to-maturity | 9,448 | 9,505
Equity securities | 414 | 237
Federal Home Loan Bank of New York stock, at cost | 22,517 | 22,517
Net loans held-for-investment | 3,228,374 | 3,217,673
Financial liabilities: |  |
Deposits | 3,375,205 | 3,286,512
Borrowed funds | 409,244 | 408,891
Advance payments by borrowers for taxes and insurance | 20,723 | 18,007
Estimated Fair Value |  |
Financial assets: |  |
Cash and cash equivalents | 85,825 | 77,762
Trading securities | 9,759 | 8,968
Debt securities available-for-sale | 894,272 | 808,031
Debt securities held-to-maturity | 9,320 | 9,249
Equity securities | 414 | 237
Federal Home Loan Bank of New York stock, at cost | 22,517 | 22,517
Net loans held-for-investment | 3,251,646 | 3,236,136
Financial liabilities: |  |
Deposits | 3,379,925 | 3,291,085
Borrowed funds | 407,588 | 403,476
Advance payments by borrowers for taxes and insurance | 20,723 | 18,007
Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Financial assets: |  |
Cash and cash equivalents | 85,825 | 77,762
Trading securities | 9,759 | 8,968
Debt securities available-for-sale | 0 | 0
Debt securities held-to-maturity | 0 | 0
Equity securities | 414 | 237
Federal Home Loan Bank of New York stock, at cost | 0 | 0
Net loans held-for-investment | 0 | 0
Financial liabilities: |  |
Deposits | 0 | 0
Borrowed funds | 0 | 0
Advance payments by borrowers for taxes and insurance | 0 | 0
Estimated Fair Value | Significant Other Observable Inputs (Level 2) |  |
Financial assets: |  |
Cash and cash equivalents | 0 | 0
Trading securities | 0 | 0
Debt securities available-for-sale | 894,272 | 808,031
Debt securities held-to-maturity | 9,320 | 9,249
Equity securities | 0 | 0
Federal Home Loan Bank of New York stock, at cost | 22,517 | 22,517
Net loans held-for-investment | 0 | 0
Financial liabilities: |  |
Deposits | 3,379,925 | 3,291,085
Borrowed funds | 407,588 | 403,476
Advance payments by borrowers for taxes and insurance | 20,723 | 18,007
Estimated Fair Value | Significant Unobservable Inputs (Level 3) |  |
Financial assets: |  |
Cash and cash equivalents | 0 | 0
Trading securities | 0 | 0
Debt securities available-for-sale | 0 | 0
Debt securities held-to-maturity | 0 | 0
Equity securities | 0 |
Federal Home Loan Bank of New York stock, at cost | 0 | 0
Net loans held-for-investment | 3,251,646 | 3,236,136
Financial liabilities: |  |
Deposits | 0 | 0
Borrowed funds | 0 | 0
Advance payments by borrowers for taxes and insurance | $ 0 | $ 0

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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