Loans and Leases Held for Investment and Allowance for Loan and Lease Losses - Impaired Loans and Leases With Associated Reserves and No Associated Reserves (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
$ 100,321
|
$ 37,290
|
|
Recorded Investment, With No Recorded Allowance |
2,093
|
4,545
|
|
Recorded Investment, Total |
102,414
|
41,835
|
|
Loans, Unpaid Principal Balance |
106,658
|
45,695
|
|
Loans, Related Allowance Recorded |
9,091
|
3,064
|
|
Loans, Average Balance |
102,624
|
40,338
|
$ 34,134
|
Loans, Interest Income Recognized |
1,573
|
894
|
602
|
Commercial & Industrial |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
27,639
|
14,842
|
|
Recorded Investment, With No Recorded Allowance |
1,020
|
1,782
|
|
Recorded Investment, Total |
28,659
|
16,624
|
|
Loans, Unpaid Principal Balance |
31,537
|
18,566
|
|
Loans, Related Allowance Recorded |
2,598
|
1,372
|
|
Loans, Average Balance |
27,992
|
15,409
|
13,549
|
Loans, Interest Income Recognized |
290
|
248
|
215
|
Commercial & Industrial | Agricultural |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
0
|
|
|
Recorded Investment, With No Recorded Allowance |
7
|
|
|
Recorded Investment, Total |
7
|
|
|
Loans, Unpaid Principal Balance |
6
|
|
|
Loans, Related Allowance Recorded |
0
|
|
|
Commercial & Industrial | Death Care Management |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
0
|
0
|
|
Recorded Investment, With No Recorded Allowance |
6
|
7
|
|
Recorded Investment, Total |
6
|
7
|
|
Loans, Unpaid Principal Balance |
6
|
7
|
|
Loans, Related Allowance Recorded |
0
|
0
|
|
Loans, Average Balance |
6
|
8
|
112
|
Loans, Interest Income Recognized |
0
|
0
|
1
|
Commercial & Industrial | Healthcare |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
9,604
|
3,521
|
|
Recorded Investment, With No Recorded Allowance |
64
|
1,030
|
|
Recorded Investment, Total |
9,668
|
4,551
|
|
Loans, Unpaid Principal Balance |
10,432
|
5,643
|
|
Loans, Related Allowance Recorded |
827
|
165
|
|
Loans, Average Balance |
9,825
|
6,101
|
7,513
|
Loans, Interest Income Recognized |
95
|
53
|
81
|
Commercial & Industrial | Independent Pharmacies |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
9,032
|
8,154
|
|
Recorded Investment, With No Recorded Allowance |
324
|
417
|
|
Recorded Investment, Total |
9,356
|
8,571
|
|
Loans, Unpaid Principal Balance |
10,564
|
9,078
|
|
Loans, Related Allowance Recorded |
478
|
521
|
|
Loans, Average Balance |
8,510
|
6,018
|
2,570
|
Loans, Interest Income Recognized |
40
|
100
|
76
|
Commercial & Industrial | Registered Investment Advisors |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
3,347
|
662
|
|
Recorded Investment, With No Recorded Allowance |
0
|
71
|
|
Recorded Investment, Total |
3,347
|
733
|
|
Loans, Unpaid Principal Balance |
3,839
|
725
|
|
Loans, Related Allowance Recorded |
811
|
504
|
|
Loans, Average Balance |
3,197
|
759
|
817
|
Loans, Interest Income Recognized |
38
|
50
|
22
|
Commercial & Industrial | Veterinary Industry |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
2,160
|
2,505
|
|
Recorded Investment, With No Recorded Allowance |
166
|
257
|
|
Recorded Investment, Total |
2,326
|
2,762
|
|
Loans, Unpaid Principal Balance |
2,593
|
3,113
|
|
Loans, Related Allowance Recorded |
65
|
182
|
|
Loans, Average Balance |
2,451
|
2,523
|
2,537
|
Loans, Interest Income Recognized |
69
|
45
|
35
|
Commercial & Industrial | Other Industries |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
3,496
|
|
|
Recorded Investment, With No Recorded Allowance |
453
|
|
|
Recorded Investment, Total |
3,949
|
|
|
Loans, Unpaid Principal Balance |
4,097
|
|
|
Loans, Related Allowance Recorded |
417
|
|
|
Loans, Average Balance |
3,997
|
0
|
0
|
Loans, Interest Income Recognized |
48
|
0
|
0
|
Commercial & Industrial | Agriculture |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Loans, Average Balance |
6
|
0
|
0
|
Loans, Interest Income Recognized |
0
|
0
|
0
|
Construction & Development |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
5,027
|
1,237
|
|
Recorded Investment, With No Recorded Allowance |
0
|
0
|
|
Recorded Investment, Total |
5,027
|
1,237
|
|
Loans, Unpaid Principal Balance |
4,939
|
1,258
|
|
Loans, Related Allowance Recorded |
118
|
157
|
|
Loans, Average Balance |
4,951
|
1,240
|
317
|
Loans, Interest Income Recognized |
20
|
11
|
0
|
Construction & Development | Agricultural |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
5,027
|
|
|
Recorded Investment, With No Recorded Allowance |
0
|
|
|
Recorded Investment, Total |
5,027
|
|
|
Loans, Unpaid Principal Balance |
4,939
|
|
|
Loans, Related Allowance Recorded |
118
|
|
|
Construction & Development | Healthcare |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Loans, Average Balance |
0
|
1,240
|
0
|
Loans, Interest Income Recognized |
0
|
11
|
0
|
Construction & Development | Agriculture |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Loans, Average Balance |
4,951
|
0
|
317
|
Loans, Interest Income Recognized |
20
|
0
|
0
|
Construction & Development | Healthcare |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
|
1,237
|
|
Recorded Investment, With No Recorded Allowance |
|
0
|
|
Recorded Investment, Total |
|
1,237
|
|
Loans, Unpaid Principal Balance |
|
1,258
|
|
Loans, Related Allowance Recorded |
|
157
|
|
Commercial Real Estate |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
45,658
|
21,211
|
|
Recorded Investment, With No Recorded Allowance |
1,073
|
2,763
|
|
Recorded Investment, Total |
46,731
|
23,974
|
|
Loans, Unpaid Principal Balance |
48,035
|
25,813
|
|
Loans, Related Allowance Recorded |
2,424
|
1,535
|
|
Loans, Average Balance |
47,543
|
23,576
|
19,974
|
Loans, Interest Income Recognized |
1,075
|
635
|
387
|
Commercial Real Estate | Agricultural |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
1,798
|
|
|
Recorded Investment, With No Recorded Allowance |
0
|
|
|
Recorded Investment, Total |
1,798
|
|
|
Loans, Unpaid Principal Balance |
1,732
|
|
|
Loans, Related Allowance Recorded |
93
|
|
|
Commercial Real Estate | Death Care Management |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
2,859
|
2,221
|
|
Recorded Investment, With No Recorded Allowance |
284
|
610
|
|
Recorded Investment, Total |
3,143
|
2,831
|
|
Loans, Unpaid Principal Balance |
3,281
|
2,964
|
|
Loans, Related Allowance Recorded |
30
|
260
|
|
Loans, Average Balance |
3,204
|
2,882
|
1,789
|
Loans, Interest Income Recognized |
91
|
50
|
7
|
Commercial Real Estate | Healthcare |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
20,211
|
3,717
|
|
Recorded Investment, With No Recorded Allowance |
231
|
598
|
|
Recorded Investment, Total |
20,442
|
4,315
|
|
Loans, Unpaid Principal Balance |
20,461
|
4,332
|
|
Loans, Related Allowance Recorded |
1,145
|
192
|
|
Loans, Average Balance |
19,845
|
4,381
|
4,093
|
Loans, Interest Income Recognized |
515
|
49
|
41
|
Commercial Real Estate | Independent Pharmacies |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
5,184
|
1,562
|
|
Recorded Investment, With No Recorded Allowance |
449
|
0
|
|
Recorded Investment, Total |
5,633
|
1,562
|
|
Loans, Unpaid Principal Balance |
5,884
|
1,933
|
|
Loans, Related Allowance Recorded |
220
|
8
|
|
Loans, Average Balance |
6,021
|
1,708
|
538
|
Loans, Interest Income Recognized |
22
|
0
|
3
|
Commercial Real Estate | Veterinary Industry |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
15,606
|
13,711
|
|
Recorded Investment, With No Recorded Allowance |
109
|
1,555
|
|
Recorded Investment, Total |
15,715
|
15,266
|
|
Loans, Unpaid Principal Balance |
16,677
|
16,584
|
|
Loans, Related Allowance Recorded |
936
|
1,075
|
|
Loans, Average Balance |
16,735
|
14,605
|
13,554
|
Loans, Interest Income Recognized |
437
|
536
|
336
|
Commercial Real Estate | Agriculture |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Loans, Average Balance |
1,738
|
0
|
0
|
Loans, Interest Income Recognized |
10
|
0
|
0
|
Commercial Land |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
21,997
|
0
|
|
Recorded Investment, With No Recorded Allowance |
0
|
0
|
|
Recorded Investment, Total |
21,997
|
0
|
|
Loans, Unpaid Principal Balance |
22,147
|
58
|
|
Loans, Related Allowance Recorded |
3,951
|
0
|
|
Loans, Average Balance |
22,138
|
113
|
294
|
Loans, Interest Income Recognized |
188
|
0
|
0
|
Commercial Land | Agriculture |
|
|
|
Financing Receivable Impaired [Line Items] |
|
|
|
Recorded Investment, With a Recorded Allowance |
21,997
|
0
|
|
Recorded Investment, With No Recorded Allowance |
0
|
0
|
|
Recorded Investment, Total |
21,997
|
0
|
|
Loans, Unpaid Principal Balance |
22,147
|
58
|
|
Loans, Related Allowance Recorded |
3,951
|
0
|
|
Loans, Average Balance |
22,138
|
113
|
294
|
Loans, Interest Income Recognized |
$ 188
|
$ 0
|
$ 0
|