Income Taxes - Tax Effects of Temporary Differences Related to Deferred Taxes Included in Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Deferred tax assets:
Loans acquired	$ 7,459	$ 4,832
Allowance for credit losses	47,048	48,462
Valuation of foreclosed assets	628	628
Tax NOLs from acquisition	12,423	13,537
Deferred compensation payable	3,795	3,426
Accrued equity and other compensation	5,738	5,776
Acquired securities	19,749	223
Right-of-use lease liability	12,194	11,984
Unrealized loss on AFS securities	204,415	8,164
Allowance for unfunded commitments	10,188	5,442
Other	5,905	7,202
Gross deferred tax assets	329,542	109,676
Deferred tax liabilities:
Goodwill and other intangible amortization	(45,070)	(38,329)
Accumulated depreciation	(24,741)	(26,347)
Right-of-use lease asset	(11,981)	(11,871)
Unrealized gain on swaps	(29,279)	(2,767)
Other	(4,233)	(3,718)
Gross deferred tax liabilities	(115,304)	(83,032)
Net deferred tax asset	$ 214,238	$ 26,644