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Investment Securities - Available for Sale Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value |  |
Less Than 12 Months | $ 567,181 | $ 688,212
12 Months or Greater | 59,174 | 27,099
Total | 626,355 | 715,311
Gross Unrealized Losses |  |
Less Than 12 Months | (54,342) | (11,044)
12 Months or Greater | (10,150) | (865)
Total | (64,492) | (11,909)
U.S. treasury securities |  |
Fair Value |  |
Less Than 12 Months | 89,838 | 87,302
12 Months or Greater | 0 | 0
Total | 89,838 | 87,302
Gross Unrealized Losses |  |
Less Than 12 Months | (6,063) | (1,087)
12 Months or Greater | 0 | 0
Total | (6,063) | (1,087)
U.S. agency |  |
Fair Value |  |
Less Than 12 Months | 6,132 | 10,969
12 Months or Greater | 0 | 0
Total | 6,132 | 10,969
Gross Unrealized Losses |  |
Less Than 12 Months | (381) | (140)
12 Months or Greater | 0 | 0
Total | (381) | (140)
Asset backed securities |  |
Fair Value |  |
Less Than 12 Months | 23,162 |
12 Months or Greater | 3,976 |
Total | 27,138 |
Gross Unrealized Losses |  |
Less Than 12 Months | (594) |
12 Months or Greater | (251) |
Total | (845) |
State, county & municipal securities |  |
Fair Value |  |
Less Than 12 Months | 143,652 | 180,551
12 Months or Greater | 14,227 | 5,970
Total | 157,879 | 186,521
Gross Unrealized Losses |  |
Less Than 12 Months | (23,724) | (3,131)
12 Months or Greater | (3,140) | (225)
Total | (26,864) | (3,356)
Corporate debt securities |  |
Fair Value |  |
Less Than 12 Months | 43,294 | 31,977
12 Months or Greater | 0 | 0
Total | 43,294 | 31,977
Gross Unrealized Losses |  |
Less Than 12 Months | (2,471) | (265)
12 Months or Greater | 0 | 0
Total | (2,471) | (265)
Mortgage-backed securities |  |
Fair Value |  |
Less Than 12 Months | 261,103 | 377,413
12 Months or Greater | 40,971 | 21,129
Total | 302,074 | 398,542
Gross Unrealized Losses |  |
Less Than 12 Months | (21,109) | (6,421)
12 Months or Greater | (6,759) | (640)
Total | $ (27,868) | $ (7,061)

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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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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