Income Taxes - Tax Effects of Temporary Differences Related to Deferred Taxes Included in Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Deferred tax assets:
Loans acquired	$ 7,656	$ 4,832
Allowance for credit losses	50,577	48,462
Valuation of foreclosed assets	628	628
Tax NOLs from acquisition	13,949	13,537
Deferred compensation payable	3,545	3,426
Accrued equity and other compensation	5,202	5,776
Acquired securities	19,795	223
Right-of-use lease liability	12,804	11,984
Unrealized loss on AFS securities	139,084	8,164
Allowance for unfunded commitments	6,300	5,442
Other	6,059	7,202
Gross deferred tax assets	265,599	109,676
Deferred tax liabilities:
Goodwill and other intangible amortization	(45,670)	(38,329)
Accumulated depreciation	(25,183)	(26,347)
Right-of-use lease asset	(12,605)	(11,871)
Unrealized gain on swaps	0	(2,767)
Other	(4,271)	(3,718)
Gross deferred tax liabilities	(87,729)	(83,032)
Net deferred tax asset	$ 177,870	$ 26,644