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v3.22.1

Changes to Accumulated Other Comprehensive Income, Net - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Beginning Balance | $ 277,139 | [1] | $ 108,200
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | (17,844) |  | (2,482)
Ending Balance | 278,482 |  | 239,734
Net Unrealized Gains (Losses) on Available-For-Sale Securities [Member] |  |  |
Beginning Balance | (4,056) |  | 644
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | (17,844) |  | (2,482)
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense |  |  | 0
Ending Balance | (21,900) |  | (1,838)
Transfer of Securities Held to Maturity to Available For Sale [Member] |  |  |
Beginning Balance | 425 |  | 425
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 0 |  | 0
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense |  |  | 0
Ending Balance | 425 |  | 425
Pension and Post-retirement Benefit Plans[Member] |  |  |
Beginning Balance | (1) |  |
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 0 |  |
Ending Balance | (1) |  |
Net Unrealized Gains (Losses) on Interest Rate Swaps [Member |  |  |
Beginning Balance |  |  | (805)
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) |  |  | 0
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense |  |  | 6,253
Ending Balance |  |  | 5,448
Accumulated Other Comprehensive Income (Loss), Net [Member] |  |  |
Beginning Balance | (3,632) |  | 264
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | (17,844) |  | (2,482)
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense |  |  | 6,253
Ending Balance | $ (21,476) |  | $ 4,035
[1] | Derived from audited December 31, 2021 Consolidated Financial Statements.

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- Definition Amount, after tax and adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (dd) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
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