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Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Taxes |  |  |
Pre-tax GAAP income | $ 424,092 | $ 236,550 | $ 170,274
Deferred tax benefit | (10,892) | (4,726) | (150)
Current tax provision: |  |  |
Federal | 27,453 | 27,284 | 12,381
State | 7,939 | 8,383 | 2,505
Total | 35,392 | 35,667 | 14,886
Deferred tax provision: |  |  |
Federal | 8,288 | 3,932 | 2,743
State | 2,744 | 780 | 688
Valuation allowance | (139) | 14 | (3,281)
Total | 10,893 | 4,726 | 150
Total income tax expense | $ 46,285 | $ 40,393 | $ 15,036
Reconciliation of effective income tax rate as a percentage of pretax income or loss to U.S. federal statutory rate |  |  |
Federal income tax rate (as a percent) | 21.00% | 21.00% | 21.00%
REIT non-taxable income (as a percent) | (11.90%) | (7.00%) | (11.30%)
State and local income taxes, net of federal tax benefit (as a percent) | 2.00% | 3.00% | 1.50%
Change in valuation allowance (as a percent) |  |  | (1.90%)
Other (as a percent) | (0.20%) |  | (0.50%)
Effective income tax rate (as a percent) | 10.90% | 17.00% | 8.80%
REIT subsidiaries |  |  |
Income Taxes |  |  |
Pre-tax GAAP income | $ 239,356 | $ 78,320 | $ 94,076
REIT federal income tax expense |  |  | 600
State taxes for the entity's taxable REIT |  |  | 100
TRS Consolidated Group |  |  |
Income Taxes |  |  |
Pre-tax GAAP income | 184,736 | 158,230 | $ 76,198
Deferred tax liabilities | 44,094 | 32,219 |
Deferred tax assets: |  |  |
Expenses not currently deductible | 25,542 | 24,603 |
Loan loss reserve | 7,110 | 7,047 |
Net operating and capital loss carryforwards | 468 | 691 |
Valuation allowance | (292) | (431) |
Other | 372 | 306 |
Deferred tax assets, net | 33,200 | 32,216 |
Deferred tax liabilities: |  |  |
Mortgage servicing rights | 28,672 | 23,628 |
Interest in equity affiliates - net | 8,179 | 589 |
Intangibles | 7,243 | 8,002 |
Deferred tax liabilities, net | $ 44,094 | $ 32,219 |

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