Loans and Allowance for Credit Losses - Allowance for Credit Losses (Detail) - USD ($) $ in Thousands |
3 Months Ended |
|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
$ 92,522
|
$ 101,309
|
|
Charge-offs |
(1,623)
|
(3,765)
|
|
Recoveries |
489
|
495
|
|
Provision for credit losses |
(200)
|
(1,276)
|
|
Ending Balance |
91,188
|
96,763
|
$ 92,522
|
Ending balance: individually evaluated for impaired |
351
|
3,107
|
|
Ending balance: collectively evaluated for impaired |
90,837
|
93,656
|
|
Loans and Leases Receivable, Net of Deferred Income |
(6,952,112)
|
(6,736,894)
|
(6,839,230)
|
Ending balance: individually evaluated for impaired |
40,695
|
38,459
|
|
Ending balance: collectively evaluated for impaired |
6,911,417
|
6,698,435
|
|
Provision for credit losses |
1,964
|
(4,390)
|
|
Commercial, financial, agricultural and other [Member] |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
18,093
|
17,187
|
|
Charge-offs |
(475)
|
(569)
|
|
Recoveries |
80
|
90
|
|
Provision for credit losses |
3,023
|
5,093
|
|
Ending Balance |
20,721
|
21,801
|
18,093
|
Ending balance: individually evaluated for impaired |
272
|
2,506
|
|
Ending balance: collectively evaluated for impaired |
20,449
|
19,295
|
|
Loans and Leases Receivable, Net of Deferred Income |
(1,123,690)
|
(1,555,671)
|
(1,173,452)
|
Ending balance: individually evaluated for impaired |
3,179
|
9,991
|
|
Ending balance: collectively evaluated for impaired |
1,120,511
|
1,545,680
|
|
Commercial, financial, agricultural and other [Member] | Time and Demand Loans |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
15,283
|
16,838
|
|
Charge-offs |
(144)
|
(460)
|
|
Recoveries |
53
|
89
|
|
Provision for credit losses |
3,715
|
4,960
|
|
Ending Balance |
18,907
|
21,427
|
15,283
|
Ending balance: individually evaluated for impaired |
272
|
2,506
|
|
Ending balance: collectively evaluated for impaired |
18,635
|
18,921
|
|
Loans and Leases Receivable, Net of Deferred Income |
(992,477)
|
(1,541,280)
|
(1,159,524)
|
Ending balance: individually evaluated for impaired |
3,179
|
9,991
|
|
Ending balance: collectively evaluated for impaired |
989,298
|
1,531,289
|
|
Commercial, financial, agricultural and other [Member] | Commercial Credit Cards |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
247
|
349
|
|
Charge-offs |
(19)
|
(109)
|
|
Recoveries |
1
|
1
|
|
Provision for credit losses |
113
|
133
|
|
Ending Balance |
342
|
374
|
247
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
342
|
374
|
|
Loans and Leases Receivable, Net of Deferred Income |
(13,675)
|
(14,391)
|
(13,928)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
13,675
|
14,391
|
|
Commercial, financial, agricultural and other [Member] | Time and Demand Loans Other |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
2,563
|
|
|
Charge-offs |
(312)
|
|
|
Recoveries |
26
|
|
|
Provision for credit losses |
(836)
|
|
|
Ending Balance |
1,441
|
|
2,563
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
1,441
|
|
|
Loans and Leases Receivable, Net of Deferred Income |
(115,033)
|
|
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
115,033
|
|
|
Commercial, financial, agricultural and other [Member] | Equipment Finance |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
0
|
|
|
Charge-offs |
0
|
|
|
Recoveries |
0
|
|
|
Provision for credit losses |
31
|
|
|
Ending Balance |
31
|
|
0
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
31
|
|
|
Loans and Leases Receivable, Net of Deferred Income |
(2,505)
|
|
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
2,505
|
|
|
Residential real estate [Member] |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
12,625
|
14,358
|
|
Charge-offs |
(139)
|
(105)
|
|
Recoveries |
29
|
37
|
|
Provision for credit losses |
4,213
|
(1,461)
|
|
Ending Balance |
16,728
|
12,829
|
12,625
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
16,728
|
12,829
|
|
Loans and Leases Receivable, Net of Deferred Income |
(2,006,221)
|
(1,756,615)
|
(1,920,250)
|
Ending balance: individually evaluated for impaired |
253
|
1,055
|
|
Ending balance: collectively evaluated for impaired |
2,005,968
|
1,755,560
|
|
Residential real estate [Member] | Senior Lien |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
7,459
|
7,919
|
|
Charge-offs |
(40)
|
(23)
|
|
Recoveries |
23
|
23
|
|
Provision for credit losses |
3,683
|
(692)
|
|
Ending Balance |
11,125
|
7,227
|
7,459
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
11,125
|
7,227
|
|
Loans and Leases Receivable, Net of Deferred Income |
(1,381,742)
|
(1,152,314)
|
(1,299,534)
|
Ending balance: individually evaluated for impaired |
0
|
512
|
|
Ending balance: collectively evaluated for impaired |
1,381,742
|
1,151,802
|
|
Residential real estate [Member] | Junior Lien |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
5,166
|
6,439
|
|
Charge-offs |
(99)
|
(82)
|
|
Recoveries |
6
|
14
|
|
Provision for credit losses |
530
|
(769)
|
|
Ending Balance |
5,603
|
5,602
|
5,166
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
5,603
|
5,602
|
|
Loans and Leases Receivable, Net of Deferred Income |
(624,479)
|
(604,301)
|
(620,716)
|
Ending balance: individually evaluated for impaired |
253
|
543
|
|
Ending balance: collectively evaluated for impaired |
624,226
|
603,758
|
|
Commercial Real Estate [Member] |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
33,376
|
41,953
|
|
Charge-offs |
0
|
(1,550)
|
|
Recoveries |
14
|
39
|
|
Provision for credit losses |
314
|
(2,774)
|
|
Ending Balance |
33,704
|
37,668
|
33,376
|
Ending balance: individually evaluated for impaired |
79
|
601
|
|
Ending balance: collectively evaluated for impaired |
33,625
|
37,067
|
|
Loans and Leases Receivable, Net of Deferred Income |
(2,344,281)
|
(2,167,506)
|
(2,251,097)
|
Ending balance: individually evaluated for impaired |
37,263
|
27,413
|
|
Ending balance: collectively evaluated for impaired |
2,307,018
|
2,140,093
|
|
Commercial Real Estate [Member] | Multifamily |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
3,561
|
6,240
|
|
Charge-offs |
0
|
(1)
|
|
Recoveries |
0
|
0
|
|
Provision for credit losses |
49
|
(1,988)
|
|
Ending Balance |
3,610
|
4,251
|
3,561
|
Ending balance: individually evaluated for impaired |
79
|
115
|
|
Ending balance: collectively evaluated for impaired |
3,531
|
4,136
|
|
Loans and Leases Receivable, Net of Deferred Income |
(401,581)
|
(363,604)
|
(385,432)
|
Ending balance: individually evaluated for impaired |
14,909
|
459
|
|
Ending balance: collectively evaluated for impaired |
386,672
|
363,145
|
|
Commercial Real Estate [Member] | Nonowner Occupied Commercial Real Estate |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
24,838
|
28,414
|
|
Charge-offs |
0
|
(1,549)
|
|
Recoveries |
5
|
39
|
|
Provision for credit losses |
(1,576)
|
985
|
|
Ending Balance |
23,267
|
27,889
|
24,838
|
Ending balance: individually evaluated for impaired |
0
|
459
|
|
Ending balance: collectively evaluated for impaired |
23,267
|
27,430
|
|
Loans and Leases Receivable, Net of Deferred Income |
(1,516,518)
|
(1,393,968)
|
(1,465,247)
|
Ending balance: individually evaluated for impaired |
21,425
|
24,883
|
|
Ending balance: collectively evaluated for impaired |
1,495,093
|
1,369,085
|
|
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
4,977
|
7,299
|
|
Charge-offs |
0
|
0
|
|
Recoveries |
9
|
0
|
|
Provision for credit losses |
1,841
|
(1,771)
|
|
Ending Balance |
6,827
|
5,528
|
4,977
|
Ending balance: individually evaluated for impaired |
0
|
27
|
|
Ending balance: collectively evaluated for impaired |
6,827
|
5,501
|
|
Loans and Leases Receivable, Net of Deferred Income |
(426,182)
|
(409,934)
|
(400,418)
|
Ending balance: individually evaluated for impaired |
929
|
2,071
|
|
Ending balance: collectively evaluated for impaired |
425,253
|
407,863
|
|
Loans to individuals [Member] |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
24,208
|
19,845
|
|
Charge-offs |
(1,009)
|
(1,541)
|
|
Recoveries |
366
|
329
|
|
Provision for credit losses |
(8,460)
|
1,811
|
|
Ending Balance |
15,105
|
20,444
|
24,208
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
15,105
|
20,444
|
|
Loans and Leases Receivable, Net of Deferred Income |
(1,078,932)
|
(852,522)
|
(999,975)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
1,078,932
|
852,522
|
|
Loans to individuals [Member] | Automobiles |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
21,392
|
16,133
|
|
Charge-offs |
(552)
|
(680)
|
|
Recoveries |
255
|
181
|
|
Provision for credit losses |
(8,460)
|
1,254
|
|
Ending Balance |
12,635
|
16,888
|
21,392
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
12,635
|
16,888
|
|
Loans and Leases Receivable, Net of Deferred Income |
(984,001)
|
(759,061)
|
(901,280)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
984,001
|
759,061
|
|
Loans to individuals [Member] | Consumer Credit Cards |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
496
|
635
|
|
Charge-offs |
(109)
|
(168)
|
|
Recoveries |
24
|
17
|
|
Provision for credit losses |
(29)
|
205
|
|
Ending Balance |
382
|
689
|
496
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
382
|
689
|
|
Loans and Leases Receivable, Net of Deferred Income |
(10,675)
|
(10,901)
|
(11,151)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
10,675
|
10,901
|
|
Loans to individuals [Member] | Other Consumer Loans |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
2,320
|
3,077
|
|
Charge-offs |
(348)
|
(693)
|
|
Recoveries |
87
|
131
|
|
Provision for credit losses |
29
|
352
|
|
Ending Balance |
2,088
|
2,867
|
2,320
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
2,088
|
2,867
|
|
Loans and Leases Receivable, Net of Deferred Income |
(84,256)
|
(82,560)
|
(87,544)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
84,256
|
82,560
|
|
Real estate construction [Member] |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
4,220
|
7,966
|
|
Charge-offs |
0
|
0
|
|
Recoveries |
0
|
0
|
|
Provision for credit losses |
710
|
(3,945)
|
|
Ending Balance |
4,930
|
4,021
|
4,220
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
4,930
|
4,021
|
|
Loans and Leases Receivable, Net of Deferred Income |
(398,988)
|
(404,580)
|
(494,456)
|
Ending balance: individually evaluated for impaired |
0
|
0
|
|
Ending balance: collectively evaluated for impaired |
398,988
|
$ 404,580
|
|
Real estate construction [Member] | Construction Residential |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
942
|
|
|
Charge-offs |
0
|
|
|
Recoveries |
0
|
|
|
Provision for credit losses |
813
|
|
|
Ending Balance |
1,755
|
|
942
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
1,755
|
|
|
Loans and Leases Receivable, Net of Deferred Income |
(91,577)
|
|
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
91,577
|
|
|
Real estate construction [Member] | Construction Other |
|
|
|
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
|
|
|
Beginning Balance |
3,278
|
|
|
Charge-offs |
0
|
|
|
Recoveries |
0
|
|
|
Provision for credit losses |
(103)
|
|
|
Ending Balance |
3,175
|
|
$ 3,278
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
3,175
|
|
|
Loans and Leases Receivable, Net of Deferred Income |
(307,411)
|
|
|
Ending balance: individually evaluated for impaired |
0
|
|
|
Ending balance: collectively evaluated for impaired |
$ 307,411
|
|
|