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Investment Securities - Gross Unrealized Losses on Available-for-sale Securities and the Related Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | $ 459,828 | $ 327,268
Less than 12 months, unrealized losses | (20,429) | (4,111)
More than 12 months, fair value | 102,375 | 21,743
More than 12 months, unrealized losses | (7,507) | (355)
Fair Value | 562,203 | 349,011
Unrealized Losses | (27,936) | (4,466)
U.S. Treasury and government sponsored entities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 372,559 | 292,845
Less than 12 months, unrealized losses | (18,154) | (4,012)
More than 12 months, fair value | 102,375 | 21,743
More than 12 months, unrealized losses | (7,507) | (355)
Fair Value | 474,934 | 314,588
Unrealized Losses | (25,661) | (4,367)
Corporate bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 28,584 | 4,953
Less than 12 months, unrealized losses | (708) | (77)
More than 12 months, fair value | 0 | 0
More than 12 months, unrealized losses | 0 | 0
Fair Value | 28,584 | 4,953
Unrealized Losses | (708) | (77)
Collateralized loan obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 57,878 | 29,470
Less than 12 months, unrealized losses | (1,554) | (22)
More than 12 months, fair value | 0 | 0
More than 12 months, unrealized losses | 0 | 0
Fair Value | 57,878 | 29,470
Unrealized Losses | (1,554) | $ (22)
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 807 |
Less than 12 months, unrealized losses | (13) |
More than 12 months, fair value | 0 |
More than 12 months, unrealized losses | 0 |
Fair Value | 807 |
Unrealized Losses | $ (13) |

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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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- Definition Amount of accumulated unrealized loss on 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 12 months or longer, 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 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: 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 + Details
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