Non Purchased Loans - Aging of Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 11,110,164	$ 10,024,981
Unearned income	(5,160)	(4,067)
Loans, net of unearned income	11,105,004	10,020,914	$ 10,016,824
Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,513,091	1,423,270
Loans, net of unearned income	1,513,091		1,436,019
Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	108,517	80,192
Loans, net of unearned income	103,357		79,215
Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,215,056	1,104,896
Loans, net of unearned income	1,215,056		1,091,296
Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,127,889	2,724,246
Loans, net of unearned income	3,127,889		2,724,743
Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	5,016,665	4,549,037
Loans, net of unearned income	5,016,665		4,535,730
Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	128,946	143,340
Loans, net of unearned income	128,946		$ 149,821
Residential | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	359,754	302,275
Commercial | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	855,302	802,621
Primary | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,144,119	1,816,120
Home equity | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	499,626	474,604
Rental/investment | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	322,844	288,474
Owner-occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,562,952	1,563,351
Non-owner occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,320,116	2,856,947
Non purchased loans and leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	10,265,000	9,015,078
Unearned income	(5,160)	(4,067)
Loans, net of unearned income	10,259,840	9,011,011
Non purchased loans and leases | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,435,275	1,332,962
Non purchased loans and leases | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	108,517	80,192
Non purchased loans and leases | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,208,308	1,099,902
Non purchased loans and leases | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,956,801	2,508,473
Non purchased loans and leases | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,451,853	3,885,984
Non purchased loans and leases | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	104,246	107,565
Non purchased loans and leases | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unearned income	(5,160)	(4,067)
Loans, net of unearned income	10,217,508	8,980,260
Non purchased loans and leases | Accruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,433,913	1,327,202
Non purchased loans and leases | Accruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	108,517	80,181
Non purchased loans and leases | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,208,075	1,099,902
Non purchased loans and leases | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,933,476	2,492,289
Non purchased loans and leases | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,434,622	3,877,445
Non purchased loans and leases | Accruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	104,065	107,308
Non purchased loans and leases | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	42,332	30,751
Non purchased loans and leases | Nonaccruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,362	5,760
Non purchased loans and leases | Nonaccruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	11
Non purchased loans and leases | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	233	0
Non purchased loans and leases | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	23,325	16,184
Non purchased loans and leases | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	17,231	8,539
Non purchased loans and leases | Nonaccruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	181	257
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	22,661	23,921
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	10,754	3,325
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	686	1,077
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	8,922	17,085
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,694	1,456
Non purchased loans and leases | 30-89 Days Past Due | Accruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	605	978
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	3,115	3,964
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	1,669
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	153	0
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,949	2,102
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	163
Non purchased loans and leases | 30-89 Days Past Due | Nonaccruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	13	30
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	137	1,074
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	64	103
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	73	834
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	125
Non purchased loans and leases | 90 Days or More Past Due | Accruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	12
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	17,259	13,462
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	934	2,665
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	11
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	80	0
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	12,630	9,577
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,551	1,114
Non purchased loans and leases | 90 Days or More Past Due | Nonaccruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	64	95
Non purchased loans and leases | Current Loans | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unearned income	(5,160)	(4,067)
Loans, net of unearned income	10,194,710	8,955,265
Non purchased loans and leases | Current Loans | Accruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,423,095	1,323,774
Non purchased loans and leases | Current Loans | Accruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	108,517	80,181
Non purchased loans and leases | Current Loans | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,207,389	1,098,825
Non purchased loans and leases | Current Loans | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,924,481	2,474,370
Non purchased loans and leases | Current Loans | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,432,928	3,875,864
Non purchased loans and leases | Current Loans | Accruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	103,460	106,318
Non purchased loans and leases | Current Loans | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	21,958	13,325
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	428	1,426
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	7,746	4,505
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	13,680	7,262
Non purchased loans and leases | Current Loans | Nonaccruing Loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	104	132
Non purchased loans and leases | Residential | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	359,367	300,988
Non purchased loans and leases | Residential | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	359,135	300,988
Non purchased loans and leases | Residential | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	232	0
Non purchased loans and leases | Residential | 30-89 Days Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	179	1,077
Non purchased loans and leases | Residential | 30-89 Days Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	153	0
Non purchased loans and leases | Residential | 90 Days or More Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Residential | 90 Days or More Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	79	0
Non purchased loans and leases | Residential | Current Loans | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	358,956	299,911
Non purchased loans and leases | Residential | Current Loans | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Commercial | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	848,941	798,914
Non purchased loans and leases | Commercial | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	848,940	798,914
Non purchased loans and leases | Commercial | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1	0
Non purchased loans and leases | Commercial | 30-89 Days Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	507	0
Non purchased loans and leases | Commercial | 30-89 Days Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Commercial | 90 Days or More Past Due | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Commercial | 90 Days or More Past Due | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1	0
Non purchased loans and leases | Commercial | Current Loans | Accruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	848,433	798,914
Non purchased loans and leases | Commercial | Current Loans | Nonaccruing Loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Primary | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,041,885	1,682,050
Non purchased loans and leases | Primary | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,022,478	1,668,114
Non purchased loans and leases | Primary | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	19,407	13,936
Non purchased loans and leases | Primary | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	6,207	14,785
Non purchased loans and leases | Primary | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,730	1,920
Non purchased loans and leases | Primary | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	29	389
Non purchased loans and leases | Primary | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	10,105	8,195
Non purchased loans and leases | Primary | Current Loans | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,016,242	1,652,940
Non purchased loans and leases | Primary | Current Loans | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	6,572	3,821
Non purchased loans and leases | Home equity | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	456,765	423,108
Non purchased loans and leases | Home equity | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	455,467	422,163
Non purchased loans and leases | Home equity | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,298	945
Non purchased loans and leases | Home equity | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,116	1,468
Non purchased loans and leases | Home equity | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	119	182
Non purchased loans and leases | Home equity | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Home equity | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	636	546
Non purchased loans and leases | Home equity | Current Loans | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	453,351	420,695
Non purchased loans and leases | Home equity | Current Loans | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	543	217
Non purchased loans and leases | Rental/investment | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	306,165	268,245
Non purchased loans and leases | Rental/investment | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	304,993	267,199
Non purchased loans and leases | Rental/investment | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,172	1,046
Non purchased loans and leases | Rental/investment | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	542	401
Non purchased loans and leases | Rental/investment | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Rental/investment | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	44	445
Non purchased loans and leases | Rental/investment | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	587	771
Non purchased loans and leases | Rental/investment | Current Loans | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	304,407	266,353
Non purchased loans and leases | Rental/investment | Current Loans | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	585	275
Non purchased loans and leases | Land development | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	151,986	135,070
Non purchased loans and leases | Land development | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	120,026	110,395
Non purchased loans and leases | Land development | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	150,538	134,813
Non purchased loans and leases | Land development | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	119,969	110,051
Non purchased loans and leases | Land development | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,448	257
Non purchased loans and leases | Land development | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	57	344
Non purchased loans and leases | Land development | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	57	431
Non purchased loans and leases | Land development | 30-89 Days Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	397	476
Non purchased loans and leases | Land development | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	100	0
Non purchased loans and leases | Land development | 30-89 Days Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Land development | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Land development | 90 Days or More Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Land development | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,302	65
Non purchased loans and leases | Land development | 90 Days or More Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	17	292
Non purchased loans and leases | Land development | Current Loans | Accruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	150,481	134,382
Non purchased loans and leases | Land development | Current Loans | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	119,572	109,575
Non purchased loans and leases | Land development | Current Loans | Nonaccruing Loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	46	192
Non purchased loans and leases | Land development | Current Loans | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	40	52
Non purchased loans and leases | Owner-occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,368,196	1,329,219
Non purchased loans and leases | Owner-occupied | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,362,742	1,326,532
Non purchased loans and leases | Owner-occupied | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	5,454	2,687
Non purchased loans and leases | Owner-occupied | 30-89 Days Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,041	720
Non purchased loans and leases | Owner-occupied | 30-89 Days Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	163
Non purchased loans and leases | Owner-occupied | 90 Days or More Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	36
Non purchased loans and leases | Owner-occupied | 90 Days or More Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,534	822
Non purchased loans and leases | Owner-occupied | Current Loans | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,361,701	1,325,776
Non purchased loans and leases | Owner-occupied | Current Loans | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,920	1,702
Non purchased loans and leases | Non-owner occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,963,631	2,446,370
Non purchased loans and leases | Non-owner occupied | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,951,911	2,440,862
Non purchased loans and leases | Non-owner occupied | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	11,720	5,508
Non purchased loans and leases | Non-owner occupied | 30-89 Days Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	256	260
Non purchased loans and leases | Non-owner occupied | 30-89 Days Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Non-owner occupied | 90 Days or More Past Due | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	89
Non purchased loans and leases | Non-owner occupied | 90 Days or More Past Due | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0	0
Non purchased loans and leases | Non-owner occupied | Current Loans | Accruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,951,655	2,440,513
Non purchased loans and leases | Non-owner occupied | Current Loans | Nonaccruing Loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 11,720	$ 5,508