Loans - Summary of Loan Balances (Detail) - USD ($)
$ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
$ 1,811,832
|
$ 1,615,359
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
395,283
|
417,084
|
|
|
| Commercial |
194,913
|
174,945
|
|
|
| Construction: |
|
|
|
|
| Total construction |
120,909
|
75,136
|
|
|
| Total loans, net of deferred loan fees and discounts |
2,522,937
|
2,282,524
|
$ 1,672,007
|
|
| Total principal balance of loans owed, net of charge-offs |
2,555,610
|
2,322,853
|
|
|
| Unamortized net deferred loan fees |
(6,551)
|
(4,793)
|
|
|
| Discounts to principal balance of loans owed, net of charge-offs |
(26,122)
|
(35,536)
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
2,522,937
|
2,282,524
|
1,672,007
|
|
| Noncovered loans |
2,517,702
|
2,260,256
|
|
|
| Covered loans |
5,235
|
22,268
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
2,522,937
|
2,282,524
|
1,672,007
|
|
| Allowance for loan losses |
36,011
|
36,585
|
38,245
|
$ 42,648
|
| Residential 1-4 family [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
314,265
|
279,420
|
|
|
| Home Equity Loans [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
40,362
|
31,314
|
|
|
| Construction: |
|
|
|
|
| Total loans, net of deferred loan fees and discounts |
40,362
|
31,314
|
14,588
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
40,362
|
31,314
|
14,588
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
40,362
|
31,314
|
14,588
|
|
| Allowance for loan losses |
3,138
|
1,797
|
1,208
|
1,155
|
| Auto Indirect [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
|
112
|
|
|
| Construction: |
|
|
|
|
| Total loans, net of deferred loan fees and discounts |
|
112
|
946
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
|
112
|
946
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
|
112
|
946
|
|
| Allowance for loan losses |
|
9
|
66
|
243
|
| Other [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
32,429
|
33,074
|
|
|
| Commercial [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
1,497,567
|
1,335,939
|
|
|
| Construction: |
|
|
|
|
| Total construction |
74,774
|
36,518
|
|
|
| Home Equity Lines of Credit [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
322,492
|
352,584
|
|
|
| Construction: |
|
|
|
|
| Total loans, net of deferred loan fees and discounts |
322,492
|
352,584
|
339,866
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
322,492
|
352,584
|
339,866
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
322,492
|
352,584
|
339,866
|
|
| Allowance for loan losses |
11,253
|
15,676
|
$ 16,375
|
$ 21,367
|
| Residential [Member] |
|
|
|
|
| Construction: |
|
|
|
|
| Total construction |
46,135
|
38,618
|
|
|
| Originated [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
1,371,228
|
1,083,391
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
349,134
|
357,067
|
|
|
| Commercial |
170,320
|
126,611
|
|
|
| Construction: |
|
|
|
|
| Total construction |
98,063
|
45,680
|
|
|
| Total loans, net of deferred loan fees and discounts |
1,988,745
|
1,612,749
|
|
|
| Total principal balance of loans owed, net of charge-offs |
1,995,296
|
1,617,542
|
|
|
| Unamortized net deferred loan fees |
(6,551)
|
(4,793)
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
1,988,745
|
1,612,749
|
|
|
| Noncovered loans |
1,988,745
|
1,612,749
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
1,988,745
|
1,612,749
|
|
|
| Allowance for loan losses |
31,271
|
29,860
|
|
|
| Originated [Member] | Residential 1-4 family [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
207,585
|
154,594
|
|
|
| Originated [Member] | Home Equity Loans [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
34,717
|
23,559
|
|
|
| Originated [Member] | Auto Indirect [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
|
112
|
|
|
| Originated [Member] | Other [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
28,998
|
28,230
|
|
|
| Originated [Member] | Commercial [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
1,163,643
|
928,797
|
|
|
| Construction: |
|
|
|
|
| Total construction |
66,285
|
24,545
|
|
|
| Originated [Member] | Home Equity Lines of Credit [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
285,419
|
305,166
|
|
|
| Originated [Member] | Residential [Member] |
|
|
|
|
| Construction: |
|
|
|
|
| Total construction |
31,778
|
21,135
|
|
|
| PNCI [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
415,399
|
497,046
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
36,720
|
50,152
|
|
|
| Commercial |
19,744
|
40,899
|
|
|
| Construction: |
|
|
|
|
| Total construction |
22,125
|
28,781
|
|
|
| Total loans, net of deferred loan fees and discounts |
493,988
|
616,878
|
|
|
| Total principal balance of loans owed, net of charge-offs |
507,935
|
634,490
|
|
|
| Discounts to principal balance of loans owed, net of charge-offs |
(13,947)
|
(17,612)
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
493,988
|
616,878
|
|
|
| Noncovered loans |
493,988
|
616,878
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
493,988
|
616,878
|
|
|
| Allowance for loan losses |
1,848
|
3,296
|
|
|
| PNCI [Member] | Residential 1-4 family [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
104,535
|
120,821
|
|
|
| PNCI [Member] | Home Equity Loans [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
4,018
|
6,985
|
|
|
| PNCI [Member] | Other [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
3,367
|
4,770
|
|
|
| PNCI [Member] | Commercial [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
310,864
|
376,225
|
|
|
| Construction: |
|
|
|
|
| Total construction |
8,489
|
11,973
|
|
|
| PNCI [Member] | Home Equity Lines of Credit [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
29,335
|
38,397
|
|
|
| PNCI [Member] | Residential [Member] |
|
|
|
|
| Construction: |
|
|
|
|
| Total construction |
13,636
|
16,808
|
|
|
| PCI - Cash basis [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
5,078
|
5,603
|
|
|
| Commercial |
1
|
8
|
|
|
| Construction: |
|
|
|
|
| Total loans, net of deferred loan fees and discounts |
5,079
|
5,611
|
|
|
| Total principal balance of loans owed, net of charge-offs |
12,686
|
14,805
|
|
|
| Discounts to principal balance of loans owed, net of charge-offs |
(7,607)
|
(9,194)
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
5,079
|
5,611
|
|
|
| Noncovered loans |
5,079
|
5,611
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
5,079
|
5,611
|
|
|
| Allowance for loan losses |
121
|
348
|
|
|
| PCI - Cash basis [Member] | Home Equity Loans [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
124
|
125
|
|
|
| PCI - Cash basis [Member] | Home Equity Lines of Credit [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
4,954
|
5,478
|
|
|
| PCI - Other [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
25,205
|
34,922
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
4,351
|
4,262
|
|
|
| Commercial |
4,848
|
7,427
|
|
|
| Construction: |
|
|
|
|
| Total construction |
721
|
675
|
|
|
| Total loans, net of deferred loan fees and discounts |
35,125
|
47,286
|
|
|
| Total principal balance of loans owed, net of charge-offs |
39,693
|
56,016
|
|
|
| Discounts to principal balance of loans owed, net of charge-offs |
(4,568)
|
(8,730)
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
35,125
|
47,286
|
|
|
| Noncovered loans |
29,890
|
25,018
|
|
|
| Covered loans |
5,235
|
22,268
|
|
|
| Total loans, net of unamortized deferred loan fees and discounts |
35,125
|
47,286
|
|
|
| Allowance for loan losses |
2,771
|
3,081
|
|
|
| PCI - Other [Member] | Residential 1-4 family [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
2,145
|
4,005
|
|
|
| PCI - Other [Member] | Home Equity Loans [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
1,503
|
645
|
|
|
| PCI - Other [Member] | Other [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
64
|
74
|
|
|
| PCI - Other [Member] | Commercial [Member] |
|
|
|
|
| Mortgage loans on real estate: |
|
|
|
|
| Total mortgage loan on real estate |
23,060
|
30,917
|
|
|
| PCI - Other [Member] | Home Equity Lines of Credit [Member] |
|
|
|
|
| Consumer: |
|
|
|
|
| Total consumer loans |
2,784
|
3,543
|
|
|
| PCI - Other [Member] | Residential [Member] |
|
|
|
|
| Construction: |
|
|
|
|
| Total construction |
$ 721
|
$ 675
|
|
|