Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020	[1]
Assets
Cash and due from banks		$ 49,367	$ 58,404
Federal funds sold		582,285	395,756
Interest-bearing deposits in banks		3,355	2,401
Total cash and cash equivalents		635,007	456,561
Debt securities available for sale		77,440	83,358
Loans held for investment, net of unearned income (includes covered loans of $9,680, December 31, 2020) (2)	[2]	2,152,103	2,186,632
Allowance for credit losses (3)	[3]	(29,877)	(26,182)
Loans held for investment, net		2,122,226	2,160,450
Premises and equipment, net		52,842	57,700
Other real estate owned		1,240	2,083
Interest receivable		8,146	9,052
Goodwill		129,565	129,565
Other intangible assets		5,987	7,069
Other assets		107,258	105,298
Total assets		3,139,711	3,011,136
Liabilities
Noninterest-bearing		820,147	772,795
Interest-bearing		1,853,699	1,773,452
Total deposits		2,673,846	2,546,247
Securities sold under agreements to repurchase		1,106	964
Interest, taxes, and other liabilities		37,395	37,195
Total liabilities		2,712,347	2,584,406
Stockholders' equity
Preferred stock, undesignated par value; 1,000,000 shares authorized; Series A Noncumulative Convertible Preferred Stock, $0.01 par value; 25,000 shares authorized; none outstanding		0	0
Common stock, $1 par value; 50,000,000 shares authorized; 24,134,311 shares issued and 17,071,052 outstanding at September 30, 2021; 24,319,076 shares issued and 17,722,507 outstanding at December 31, 2020		17,071	17,723
Additional paid-in capital		154,086	173,345
Retained earnings		258,860	237,585
Accumulated other comprehensive loss		(2,653)	(1,923)
Total stockholders' equity		427,364	426,730
Total liabilities and stockholders' equity		$ 3,139,711	$ 3,011,136

[1] Derived from audited financial statements

[2] Effective September 28, 2021, the Company terminated its remaining loss share agreement with the FDIC. The termination eliminates the FDIC guarantee on particular loan losses.

[3] Effective January 1, 2021, the Company adopted the current expected credit loss methodology ("CECL"), prior to January 1, 2021, the Company utilized the incurred credit loss methodology.