Loans and Allowance for Credit Losses on Loans - Loans by Credit Quality Grade (Details) - USD ($) $ in Thousands |
Jun. 30, 2022 |
Dec. 31, 2021 |
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
$ 1,843,845
|
$ 2,431,199
|
2021 |
5,613,763
|
4,606,457
|
2020 |
1,470,062
|
2,098,354
|
2019 |
1,790,242
|
1,602,034
|
2018 |
1,697,809
|
866,577
|
2017 and prior |
5,232,422
|
5,939,419
|
Revolving lines of credit |
6,386,524
|
5,205,040
|
Revolving lines of credit converted to term loans |
107,460
|
122,881
|
Total |
24,142,127
|
22,871,961
|
Commercial |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
870,634
|
1,136,399
|
2021 |
4,026,891
|
3,171,323
|
2020 |
301,743
|
672,317
|
2019 |
504,235
|
365,908
|
2018 |
328,484
|
207,885
|
2017 and prior |
398,848
|
308,275
|
Revolving lines of credit |
5,036,180
|
3,984,187
|
Revolving lines of credit converted to term loans |
44,517
|
51,267
|
Total |
11,511,532
|
9,897,561
|
Commercial | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
853,390
|
1,133,013
|
2021 |
4,017,274
|
3,157,150
|
2020 |
293,544
|
546,520
|
2019 |
434,095
|
319,246
|
2018 |
295,347
|
200,478
|
2017 and prior |
379,247
|
289,795
|
Revolving lines of credit |
4,971,573
|
3,960,706
|
Revolving lines of credit converted to term loans |
35,847
|
41,377
|
Total |
11,280,317
|
9,648,285
|
Commercial | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
9,384
|
2,650
|
2021 |
3,360
|
5,277
|
2020 |
7,696
|
23,129
|
2019 |
843
|
8,697
|
2018 |
0
|
39
|
2017 and prior |
7,344
|
5,322
|
Revolving lines of credit |
39,201
|
5,120
|
Revolving lines of credit converted to term loans |
3,150
|
7,883
|
Total |
70,978
|
58,117
|
Commercial | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
7,860
|
0
|
2021 |
4,539
|
7,705
|
2020 |
503
|
102,619
|
2019 |
69,257
|
25,010
|
2018 |
23,026
|
6,202
|
2017 and prior |
6,837
|
6,962
|
Revolving lines of credit |
23,445
|
14,742
|
Revolving lines of credit converted to term loans |
4,397
|
2,007
|
Total |
139,864
|
165,247
|
Commercial | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
736
|
2021 |
1,718
|
1,191
|
2020 |
0
|
49
|
2019 |
40
|
12,955
|
2018 |
10,111
|
1,166
|
2017 and prior |
5,420
|
6,196
|
Revolving lines of credit |
1,961
|
3,619
|
Revolving lines of credit converted to term loans |
1,123
|
0
|
Total |
20,373
|
25,912
|
Energy |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
89,871
|
71,750
|
2021 |
26,779
|
0
|
2020 |
0
|
0
|
2019 |
0
|
3
|
2018 |
0
|
0
|
2017 and prior |
8,102
|
15,831
|
Revolving lines of credit |
837,487
|
633,789
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
962,239
|
721,373
|
Energy | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
89,871
|
71,750
|
2021 |
18,750
|
0
|
2020 |
0
|
0
|
2019 |
0
|
3
|
2018 |
0
|
0
|
2017 and prior |
1,298
|
7,188
|
Revolving lines of credit |
827,944
|
577,988
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
937,863
|
656,929
|
Energy | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
6,804
|
0
|
Revolving lines of credit |
0
|
27,421
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
6,804
|
27,421
|
Energy | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
8,643
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
0
|
8,643
|
Energy | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
8,029
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
9,543
|
28,380
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
17,572
|
28,380
|
Mortgage finance |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
44,918
|
289,042
|
2021 |
584,253
|
590,616
|
2020 |
291,404
|
656,445
|
2019 |
650,170
|
754,507
|
2018 |
972,308
|
332,001
|
2017 and prior |
4,006,454
|
4,852,886
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
6,549,507
|
7,475,497
|
Mortgage finance | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
44,918
|
289,042
|
2021 |
584,253
|
590,616
|
2020 |
291,404
|
656,445
|
2019 |
650,170
|
754,507
|
2018 |
972,308
|
332,001
|
2017 and prior |
3,861,831
|
4,852,886
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
6,404,884
|
7,475,497
|
Mortgage finance | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
0
|
0
|
Mortgage finance | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
144,623
|
0
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
144,623
|
0
|
Mortgage finance | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
0
|
0
|
Real estate |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
838,422
|
934,008
|
2021 |
975,840
|
844,518
|
2020 |
876,915
|
769,592
|
2019 |
635,837
|
481,616
|
2018 |
397,017
|
326,691
|
2017 and prior |
819,018
|
762,427
|
Revolving lines of credit |
512,857
|
587,064
|
Revolving lines of credit converted to term loans |
62,943
|
71,614
|
Total |
5,118,849
|
4,777,530
|
Real estate | Commercial Real Estate |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
3,322,820
|
|
Real estate | Commercial Real Estate | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
621,736
|
497,462
|
2021 |
572,504
|
576,344
|
2020 |
656,808
|
600,005
|
2019 |
511,457
|
294,005
|
2018 |
245,343
|
155,252
|
2017 and prior |
463,050
|
451,042
|
Revolving lines of credit |
73,715
|
73,988
|
Revolving lines of credit converted to term loans |
23,102
|
25,970
|
Total |
3,167,715
|
2,674,068
|
Real estate | Commercial Real Estate | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
2,218
|
0
|
2021 |
10,905
|
0
|
2020 |
46
|
291
|
2019 |
4,800
|
8,827
|
2018 |
14,072
|
20,089
|
2017 and prior |
9,494
|
26,344
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
446
|
0
|
Total |
41,981
|
55,551
|
Real estate | Commercial Real Estate | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
17,850
|
2021 |
17,850
|
0
|
2020 |
0
|
0
|
2019 |
0
|
40,900
|
2018 |
26,317
|
37,393
|
2017 and prior |
68,767
|
38,188
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
2,308
|
Total |
112,934
|
136,639
|
Real estate | Commercial Real Estate | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
190
|
198
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
190
|
198
|
Real estate | Residential Homebuilder Finance |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
610,093
|
|
Real estate | Residential Homebuilder Finance | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
47,888
|
155,595
|
2021 |
117,866
|
44,362
|
2020 |
23,022
|
9,693
|
2019 |
13,735
|
8,565
|
2018 |
7,648
|
0
|
2017 and prior |
2,471
|
12,732
|
Revolving lines of credit |
394,540
|
460,888
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
607,170
|
691,835
|
Real estate | Residential Homebuilder Finance | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
623
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
2,300
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
2,923
|
0
|
Real estate | Residential Homebuilder Finance | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
0
|
0
|
Real estate | Residential Homebuilder Finance | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
0
|
0
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
0
|
0
|
Real estate | Other Financing Receivable |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
874,878
|
|
Real estate | Other Financing Receivable | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
134,821
|
166,202
|
2021 |
162,251
|
148,811
|
2020 |
127,499
|
119,017
|
2019 |
77,889
|
106,343
|
2018 |
83,726
|
61,723
|
2017 and prior |
179,466
|
139,723
|
Revolving lines of credit |
38,245
|
47,653
|
Revolving lines of credit converted to term loans |
27,185
|
29,595
|
Total |
831,082
|
819,067
|
Real estate | Other Financing Receivable | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
7,365
|
2020 |
12,972
|
0
|
2019 |
0
|
0
|
2018 |
0
|
845
|
2017 and prior |
17,534
|
4,982
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
30,506
|
13,192
|
Real estate | Other Financing Receivable | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
6,424
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
16,922
|
2017 and prior |
1,080
|
20,184
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
1,080
|
43,530
|
Real estate | Other Financing Receivable | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
2,641
|
2017 and prior |
0
|
1,450
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
12,210
|
13,741
|
Total |
12,210
|
17,832
|
Real estate | Secured by 1-4 family |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
311,058
|
|
Real estate | Secured by 1-4 family | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
31,759
|
96,899
|
2021 |
93,841
|
60,659
|
2020 |
56,568
|
40,586
|
2019 |
27,956
|
22,976
|
2018 |
19,911
|
31,826
|
2017 and prior |
75,462
|
65,910
|
Revolving lines of credit |
4,057
|
4,535
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
309,554
|
323,391
|
Real estate | Secured by 1-4 family | Special mention |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
553
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
1,156
|
291
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
1,156
|
844
|
Real estate | Secured by 1-4 family | Substandard-accruing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
167
|
1,203
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
167
|
1,203
|
Real estate | Secured by 1-4 family | Non-accrual |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2022 |
0
|
0
|
2021 |
0
|
0
|
2020 |
0
|
0
|
2019 |
0
|
0
|
2018 |
0
|
0
|
2017 and prior |
181
|
180
|
Revolving lines of credit |
0
|
0
|
Revolving lines of credit converted to term loans |
0
|
0
|
Total |
$ 181
|
$ 180
|