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Acquisition - Acquired PCD Loans (Details) - West Suburban Bancorp, Inc - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 01, 2021
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Business Acquisition [Line Items] |  |
Purchase price of PCD loans at acquisition | $ 1,502,118 | $ 1,500,000
PCI |  |
Business Acquisition [Line Items] |  |
Par value of acquired loans |  | 108,241
Allowance for credit losses |  | (12,075)
Non-credit discount |  | (1,723)
Purchase price of PCD loans at acquisition |  | $ 94,443

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- Definition Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123409700&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 + Details
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