Purchased Loans - Aging of Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 10,149,242	$ 10,933,647	$ 10,997,304
Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,634,633		2,641,598
Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,051,359		791,108
Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,702,091		2,788,513
Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	4,530,169		4,410,753
Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	156,987		$ 284,553
Purchased loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,256,698	1,514,107
Purchased loans | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,229,008	1,483,056
Purchased loans | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	3,783	8,651
Purchased loans | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	945	267
Purchased loans | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,224,280	1,474,138
Purchased loans | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	27,690	31,051
Purchased loans | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,096	8,671
Purchased loans | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	5,332	6,968
Purchased loans | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	20,262	15,412
Purchased loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	124,725	176,513
Purchased loans | Commercial, financial, agricultural | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	114,178	164,577
Purchased loans | Commercial, financial, agricultural | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	376	818
Purchased loans | Commercial, financial, agricultural | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	101
Purchased loans | Commercial, financial, agricultural | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	113,802	163,658
Purchased loans | Commercial, financial, agricultural | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,547	11,936
Purchased loans | Commercial, financial, agricultural | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,293	74
Purchased loans | Commercial, financial, agricultural | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,698	2,024
Purchased loans | Commercial, financial, agricultural | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	7,556	9,838
Purchased loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12,746	30,952
Purchased loans | Real estate – construction: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12,746	30,952
Purchased loans | Real estate – construction: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	46	0
Purchased loans | Real estate – construction: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Real estate – construction: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12,700	30,952
Purchased loans | Real estate – construction: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Real estate – construction: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Real estate – construction: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Real estate – construction: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	266,517	341,744
Purchased loans | Real estate – 1-4 family mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	260,326	333,644
Purchased loans | Real estate – 1-4 family mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,289	2,977
Purchased loans | Real estate – 1-4 family mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	37	131
Purchased loans | Real estate – 1-4 family mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	258,000	330,536
Purchased loans | Real estate – 1-4 family mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	6,191	8,100
Purchased loans | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	702	691
Purchased loans | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,694	4,197
Purchased loans | Real estate – 1-4 family mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,795	3,212
Purchased loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	806,860	905,223
Purchased loans | Real estate – commercial mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	796,289	894,483
Purchased loans | Real estate – commercial mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	146	2,830
Purchased loans | Real estate – commercial mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	900	0
Purchased loans | Real estate – commercial mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	795,243	891,653
Purchased loans | Real estate – commercial mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,571	10,740
Purchased loans | Real estate – commercial mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	89	7,875
Purchased loans | Real estate – commercial mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	792	611
Purchased loans | Real estate – commercial mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	9,690	2,254
Purchased loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	45,850	59,675
Purchased loans | Installment loans to individuals | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	45,469	59,400
Purchased loans | Installment loans to individuals | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	926	2,026
Purchased loans | Installment loans to individuals | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	8	35
Purchased loans | Installment loans to individuals | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	44,535	57,339
Purchased loans | Installment loans to individuals | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	381	275
Purchased loans | Installment loans to individuals | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12	31
Purchased loans | Installment loans to individuals | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	148	136
Purchased loans | Installment loans to individuals | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	221	108
Purchased loans | Residential | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,564	2,859
Purchased loans | Residential | Real estate – construction: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,564	2,859
Purchased loans | Residential | Real estate – construction: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	46	0
Purchased loans | Residential | Real estate – construction: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Residential | Real estate – construction: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,518	2,859
Purchased loans | Residential | Real estate – construction: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Residential | Real estate – construction: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Residential | Real estate – construction: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Residential | Real estate – construction: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,182	28,093
Purchased loans | Commercial | Real estate – construction: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,182	28,093
Purchased loans | Commercial | Real estate – construction: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,182	28,093
Purchased loans | Commercial | Real estate – construction: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Commercial | Real estate – construction: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Primary | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	166,535	214,770
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	161,859	209,103
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,530	2,394
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	37	74
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	160,292	206,635
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	4,676	5,667
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	625	687
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,958	2,799
Purchased loans | Primary | Real estate – 1-4 family mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,093	2,181
Purchased loans | Home equity | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	63,088	80,392
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	61,695	79,076
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	555	294
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	43
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	61,140	78,739
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,393	1,316
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	36	4
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	680	674
Purchased loans | Home equity | Real estate – 1-4 family mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	677	638
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	25,944	31,928
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	25,834	31,125
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	104	180
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	14
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	25,730	30,931
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	110	803
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	41	0
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	56	724
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	13	79
Purchased loans | Land development | Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,950	14,654
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,938	14,340
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	100	109
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	10,838	14,231
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12	314
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Land development | Real estate – 1-4 family mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12	314
Purchased loans | Land development | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	23,902	29,454
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	23,622	29,074
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	86	112
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	55	0
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	23,481	28,962
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	280	380
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	138	164
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	142	216
Purchased loans | Owner-occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	290,041	323,041
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	287,702	320,508
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	60	2,511
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	287,642	317,997
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,339	2,533
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	89	193
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	654	447
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	1,596	1,893
Purchased loans | Non-owner occupied | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	492,917	552,728
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	484,965	544,901
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	207
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	845	0
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	484,120	544,694
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	7,952	7,827
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	7,682
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	0	0
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing Loans | Current Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 7,952	$ 145