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Income Taxes - Schedule of Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Increase (reduction) in income tax resulting from:                      
Income tax expense at statutory rate                 $ 24,368 $ 21,961 $ 30,281
Tax-exempt income, net                 (962) (506) (961)
State and local income taxes, net                 2,816 2,423 1,676
Bank-owned life insurance, net                 (628) (452) (715)
Non-deductible expenses                 749 294 407
Change in estimated rate for deferred taxes                 0 0 12,117
Tax benefits of LIHTC investments, net                 (278) (50) (257)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount                 (526) (1,631) (2,141)
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount                 (913) (4,627) (1,701)
Non-taxable subsidiary dividend                 0 (2,728) 0
Non-taxable donation to charitable foundation                 (420) 0 0
Other, net                 (909) 676 (379)
Total income tax expense $ 7,246 $ 7,469 $ 4,479 $ 4,103 $ 4,899 $ 1,802 $ 4,881 $ 3,778 $ 23,297 $ 15,360 $ 38,327