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Securities - Available for Sale Securities With Gross Unrealized Losses and Their Fair Value (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Securities have been in a continuous unrealized loss position, number of positions | 81 | 37
Securities have been in a continuous unrealized loss position, fair value | $ 565,102 | $ 290,820
Securities have been in a continuous unrealized loss position, unrealized losses | 12,220 | 7,766
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 435,634 | 76,729
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 7,827 | 186
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 129,468 | 214,091
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 4,393 | $ 7,580
US Government Agencies Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 2 | 1
Securities have been in a continuous unrealized loss position, fair value | $ 5,577 | $ 4,988
Securities have been in a continuous unrealized loss position, unrealized losses | 9 | 1
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 1,130 | 4,988
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 5 | $ 1
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 4,447 |
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 4 |
Corporate Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 13 | 14
Securities have been in a continuous unrealized loss position, fair value | $ 94,234 | $ 113,734
Securities have been in a continuous unrealized loss position, unrealized losses | 3,189 | 6,266
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 65,453 |
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,970 |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 28,781 | 113,734
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 1,219 | $ 6,266
Collateralized Loan Obligations [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 4 | 13
Securities have been in a continuous unrealized loss position, fair value | $ 31,012 | $ 99,199
Securities have been in a continuous unrealized loss position, unrealized losses | 255 | 1,363
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 10,000 | 7,441
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1 | 52
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 21,012 | 91,758
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 254 | $ 1,311
Other Debt Obligations [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 19 | 28
Securities have been in a continuous unrealized loss position, fair value | $ 130,823 | $ 217,921
Securities have been in a continuous unrealized loss position, unrealized losses | 3,453 | 7,630
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 76,583 | 12,429
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,976 | 53
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 54,240 | 205,492
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 1,477 | $ 7,577
Collateralized Mortgage Backed Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 62 | 9
Securities have been in a continuous unrealized loss position, fair value | $ 434,279 | $ 72,899
Securities have been in a continuous unrealized loss position, unrealized losses | 8,767 | 136
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 359,051 | 64,300
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 5,851 | 133
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 75,228 | 8,599
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 2,916 | $ 3
REMIC and CMO [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 15 |
Securities have been in a continuous unrealized loss position, fair value | $ 124,131 |
Securities have been in a continuous unrealized loss position, unrealized losses | 3,656 |
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 105,959 |
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 2,800 |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 18,172 |
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 856 |
GNMA [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 4 | 1
Securities have been in a continuous unrealized loss position, fair value | $ 9,924 | $ 10,341
Securities have been in a continuous unrealized loss position, unrealized losses | 316 | 22
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 1,138 | 10,341
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 16 | $ 22
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 8,786 |
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 300 |
FNMA [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 25 | 5
Securities have been in a continuous unrealized loss position, fair value | $ 171,109 | $ 32,463
Securities have been in a continuous unrealized loss position, unrealized losses | 2,160 | 31
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 153,657 | 23,864
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,587 | 28
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 17,452 | 8,599
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 573 | $ 3
FHLMC [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 18 | 3
Securities have been in a continuous unrealized loss position, fair value | $ 129,115 | $ 30,095
Securities have been in a continuous unrealized loss position, unrealized losses | 2,635 | 83
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 98,297 | 30,095
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,448 | $ 83
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 30,818 |
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 1,187 |

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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 http://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 http://asc.fasb.org/extlink&oid=123581744&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 http://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 http://asc.fasb.org/extlink&oid=123581744&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 http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
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