Income Taxes - Deferred taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
DTAs:
ACL	$ 24,349	$ 33,213
Net operating loss carryforwards	16,656	22,277
Deferred compensation	11,011	10,012
Loan purchase accounting adjustments	4,227	8,567
Nonqualified share based compensation	1,374	1,833
Accrued expenses	7,936	6,865
Unamortized pension actuarial losses and prior service cost	1,442	1,981
Unrealized losses on AFS securities	5,808	0
Deferred gains on SBA/USDA loan sales	2,217	2,060
Lease liability	7,501	8,055
Other	1,107	2,062
Total DTAs	83,628	96,925
DTLs:
Unrealized gains on AFS securities	0	17,439
Unrealized gains on cash flow hedges	1,189	54
Acquired intangible assets	2,412	2,576
Premises and equipment	5,179	4,241
Loan origination costs	6,466	4,857
True tax leases	5,984	7,846
Servicing assets	6,779	4,816
Derivatives	1,309	2,250
ROU asset	7,102	7,642
Securities purchase accounting adjustments	2,644	3,146
Uncertain tax positions	1,945	1,813
Other	386	230
Total DTLs	41,395	56,910
Less valuation allowance	911	1,604
Net DTA	$ 41,322	$ 38,411

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Deferred Tax Assets, Lease Liability

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on financing receivable.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from debt issuance costs.

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Amount of deferred tax liability attributable to taxable temporary differences from derivatives.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.

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Amount of deferred tax liability attributable to taxable temporary differences classified as other.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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