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v3.21.2

Securities, Available for Sale (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | $ 1,567,372 |  | $ 1,567,372 |  | $ 1,318,711
Unrealized gains | 21,168 |  | 21,168 |  | 32,166
Unrealized losses | 12,510 |  | 12,510 |  | 2,179
Estimated fair value | 1,576,030 |  | 1,576,030 |  | 1,348,698
Allowance for credit losses on AFS securities | 0 |  | 0 |  | 0
Gross realized gains | 0 | $ 0 | 0 | $ 3 |
Gross realized losses | 0 | $ 0 | 0 |  |
Gains from calls on securities available for sale |  |  |  | $ 3 |
Federal Agency [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 248,462 |  | 248,462 |  | 245,590
Unrealized gains | 0 |  | 0 |  | 59
Unrealized losses | 5,496 |  | 5,496 |  | 2,052
Estimated fair value | 242,966 |  | 242,966 |  | 243,597
State & Municipal [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 84,636 |  | 84,636 |  | 42,550
Unrealized gains | 138 |  | 138 |  | 630
Unrealized losses | 753 |  | 753 |  | 0
Estimated fair value | 84,021 |  | 84,021 |  | 43,180
Mortgage-Backed, Government Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 575,884 |  | 575,884 |  | 521,448
Unrealized gains | 10,907 |  | 10,907 |  | 17,079
Unrealized losses | 3,959 |  | 3,959 |  | 22
Estimated fair value | 582,832 |  | 582,832 |  | 538,505
Mortgage-Backed, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 65,762 |  | 65,762 |  | 55,049
Unrealized gains | 1,710 |  | 1,710 |  | 2,332
Unrealized losses | 109 |  | 109 |  | 47
Estimated fair value | 67,363 |  | 67,363 |  | 57,334
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 438,255 |  | 438,255 |  | 311,710
Unrealized gains | 5,002 |  | 5,002 |  | 7,549
Unrealized losses | 2,004 |  | 2,004 |  | 58
Estimated fair value | 441,253 |  | 441,253 |  | 319,201
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 115,873 |  | 115,873 |  | 114,864
Unrealized gains | 1,774 |  | 1,774 |  | 3,739
Unrealized losses | 189 |  | 189 |  | 0
Estimated fair value | 117,458 |  | 117,458 |  | 118,603
Corporate [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 38,500 |  | 38,500 |  | 27,500
Unrealized gains | 1,637 |  | 1,637 |  | 778
Unrealized losses | 0 |  | 0 |  | 0
Estimated fair value | $ 40,137 |  | $ 40,137 |  | $ 28,278

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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