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Other Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Other Assets [Abstract] |  |
Investments in tax credits, CRA partnerships, and other investments | $ 426,137 | $ 262,855
ROU assets | 411,472 | 380,380
Derivative asset positions | 191,708 | 401,295
Deferred tax asset, net | 169,051 | 130,848
Federal Reserve Bank and FHLB Stock | 159,941 | 157,520
Accrued interest receivable | 145,659 | 177,865
Accounts receivable | 81,325 | 88,286
Mutual funds and mutual funds held in rabbi trusts | 43,657 | 37,650
Prepaid expense | 42,874 | 45,088
MPS receivable | 15,320 | 15,575
Other investments | 12,185 | 1,021
Other real estate | 11,818 | 1,819
Trading account assets, at fair value | 8,391 | 10,880
Miscellaneous other assets | 70,660 | 49,517
Total other assets | $ 1,790,198 | $ 1,760,599

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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123366838&loc=d3e3073-115593 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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