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Income Taxes - Significant Components of The Company's Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred tax assets |  |
Allowance for credit losses | $ 50,421 | $ 50,712
Loans | 2,602 | 2,855
Deferred compensation | 10,777 | 14,522
Net unrealized losses on securities | 35,769 | 3,545
Impairment of assets | 394 | 392
Net operating loss carryforwards | 1,035 | 1,211
Investment in partnerships | 930 | 890
Lease liabilities under operating leases | 15,423 | 17,106
Other | 4,179 | 3,241
Total deferred tax assets | 121,530 | 94,474
Deferred tax liabilities |  |
Fixed assets | 5,734 | 5,339
Mortgage servicing rights | 21,470 | 20,779
Junior subordinated debt | 2,093 | 2,130
Intangibles | 3,005 | 3,177
Lease right-of-use asset | 14,696 | 16,209
Other | 1,722 | 1,607
Total deferred tax liabilities | 48,720 | 49,241
Net deferred tax assets | $ 72,810 | $ 45,233

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