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Allowance for Loan and Lease Losses (Summary of Activity In Allowance for Loan and Lease Losses) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |
Impaired Loans and Leases, Baseline for Meaurement |  |  |  |  |  | $ 500,000 |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Net loans and leases |  |  |  |  | $ 19,311,868,000 | 18,564,999,000 |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 1,123,239,000 | 1,186,498,000 | $ 1,109,933,000 | $ 1,029,426,000
Allowance for loan and lease losses |  |  |  |  | 208,317,000 | 204,466,000 |  |
Commercial |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 697,045,000 | 726,123,000 |  |
Commercial | Construction and land development |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 48,208,000 | 78,079,000 |  |
Commercial | Mortgage |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 611,505,000 | 577,518,000 |  |
Commercial | Other commercial real estate |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 14,353,000 | 40,193,000 |  |
Commercial | Commercial and industrial |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 20,382,000 | 27,254,000 |  |
Commercial | Other |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 2,597,000 | 3,079,000 |  |
Noncommerical |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 426,194,000 | 460,375,000 |  |
Noncommerical | Construction and land development |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 345,000 | 912,000 |  |
Noncommerical | Mortgage |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 358,307,000 | 382,340,000 |  |
Noncommerical | Revolving mortgage |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 64,340,000 | 74,109,000 |  |
Noncommerical | Consumer |  |  |  |  |  |  |  |
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 3,202,000 | 3,014,000 |  |
Non-PCI Loans |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |
Impaired Financing Receivable, Related Allowance |  |  |  |  | 12,592,000 | 15,717,000 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | $ 187,934,000 | $ 177,949,000 | $ 182,837,000 | $ 179,874,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 8,994,000 | 2,230,000 | 17,650,000 | 2,600,000 |  |  |  |
Charge-offs | (6,050,000) | (4,771,000) | (12,080,000) | (9,193,000) |  |  |  |
Recoveries | 1,971,000 | 1,507,000 | 4,442,000 | 3,634,000 |  |  |  |
Ending balance | 192,849,000 | 176,915,000 | 192,849,000 | 176,915,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 125,006,000 | 119,593,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 18,271,940,000 | 17,463,374,000 |  |
Net loans and leases |  |  |  |  | 18,396,946,000 | 17,582,967,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 12,592,000 | 15,717,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 180,257,000 | 167,120,000 |  |
Total allowance for loan and lease losses | 187,934,000 | 177,949,000 | 182,837,000 | 179,874,000 | 192,849,000 | 182,837,000 | 176,915,000 | 179,874,000
Non-PCI Loans | Commercial | Construction and land development |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 13,108,000 | 12,246,000 | 11,961,000 | 10,335,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 88,000 | (1,135,000) | 1,191,000 | 750,000 |  |  |  |
Charge-offs | (221,000) | 0 | (239,000) | 0 |  |  |  |
Recoveries | 104,000 | 5,000 | 166,000 | 31,000 |  |  |  |
Ending balance | 13,079,000 | 11,116,000 | 13,079,000 | 11,116,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 3,092,000 | 1,620,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 544,059,000 | 491,513,000 |  |
Net loans and leases |  |  |  |  | 547,151,000 | 493,133,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 445,000 | 92,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 12,634,000 | 11,869,000 |  |
Total allowance for loan and lease losses | 13,108,000 | 12,246,000 | 11,961,000 | 10,335,000 | 13,079,000 | 11,961,000 | 11,116,000 | 10,335,000
Non-PCI Loans | Commercial | Mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 82,038,000 | 94,217,000 | 85,189,000 | 100,257,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (1,878,000) | (1,961,000) | (5,557,000) | (8,940,000) |  |  |  |
Charge-offs | (47,000) | (272,000) | (280,000) | (440,000) |  |  |  |
Recoveries | 323,000 | 145,000 | 1,084,000 | 1,252,000 |  |  |  |
Ending balance | 80,436,000 | 92,129,000 | 80,436,000 | 92,129,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 83,555,000 | 82,803,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 7,778,035,000 | 7,470,145,000 |  |
Net loans and leases |  |  |  |  | 7,861,590,000 | 7,552,948,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 7,744,000 | 8,610,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 72,692,000 | 76,579,000 |  |
Total allowance for loan and lease losses | 82,038,000 | 94,217,000 | 85,189,000 | 100,257,000 | 80,436,000 | 85,189,000 | 92,129,000 | 100,257,000
Non-PCI Loans | Commercial | Other commercial real estate |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 1,031,000 | 945,000 | 732,000 | 1,009,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (227,000) | (155,000) | 231,000 | (229,000) |  |  |  |
Charge-offs | (9,000) | 0 | (178,000) | 0 |  |  |  |
Recoveries | 9,000 | 16,000 | 19,000 | 26,000 |  |  |  |
Ending balance | 804,000 | 806,000 | 804,000 | 806,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 401,000 | 584,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 287,813,000 | 244,291,000 |  |
Net loans and leases |  |  |  |  | 288,214,000 | 244,875,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 101,000 | 112,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 703,000 | 620,000 |  |
Total allowance for loan and lease losses | 1,031,000 | 945,000 | 732,000 | 1,009,000 | 804,000 | 732,000 | 806,000 | 1,009,000
Non-PCI Loans | Commercial | Commercial and industrial |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 36,954,000 | 24,021,000 | 30,727,000 | 22,362,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 4,547,000 | 3,033,000 | 12,093,000 | 5,009,000 |  |  |  |
Charge-offs | (2,318,000) | (531,000) | (4,031,000) | (1,027,000) |  |  |  |
Recoveries | 209,000 | 386,000 | 603,000 | 565,000 |  |  |  |
Ending balance | 39,392,000 | 26,909,000 | 39,392,000 | 26,909,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 12,416,000 | 11,040,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 2,187,175,000 | 1,977,894,000 |  |
Net loans and leases |  |  |  |  | 2,199,591,000 | 1,988,934,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 1,771,000 | 1,743,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 37,621,000 | 28,984,000 |  |
Total allowance for loan and lease losses | 36,954,000 | 24,021,000 | 30,727,000 | 22,362,000 | 39,392,000 | 30,727,000 | 26,909,000 | 22,362,000
Non-PCI Loans | Commercial | Lease financing |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 4,293,000 | 4,183,000 | 4,286,000 | 4,749,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 408,000 | 176,000 | 419,000 | (348,000) |  |  |  |
Charge-offs | (6,000) | (14,000) | (21,000) | (72,000) |  |  |  |
Recoveries | 11,000 | 20,000 | 22,000 | 36,000 |  |  |  |
Ending balance | 4,706,000 | 4,365,000 | 4,706,000 | 4,365,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 1,448,000 | 623,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 642,060,000 | 571,293,000 |  |
Net loans and leases |  |  |  |  | 643,508,000 | 571,916,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 146,000 | 150,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 4,560,000 | 4,136,000 |  |
Total allowance for loan and lease losses | 4,293,000 | 4,183,000 | 4,286,000 | 4,749,000 | 4,706,000 | 4,286,000 | 4,365,000 | 4,749,000
Non-PCI Loans | Commercial | Other |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 2,981,000 | 454,000 | 3,184,000 | 190,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (1,824,000) | 163,000 | (2,042,000) | 435,000 |  |  |  |
Charge-offs | 0 | (5,000) | 0 | (13,000) |  |  |  |
Recoveries | 31,000 | 0 | 46,000 | 0 |  |  |  |
Ending balance | 1,188,000 | 612,000 | 1,188,000 | 612,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 1,732,000 | 2,000,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 336,657,000 | 351,833,000 |  |
Net loans and leases |  |  |  |  | 338,389,000 | 353,833,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 17,000 | 1,972,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 1,171,000 | 1,212,000 |  |
Total allowance for loan and lease losses | 2,981,000 | 454,000 | 3,184,000 | 190,000 | 1,188,000 | 3,184,000 | 612,000 | 190,000
Non-PCI Loans | Noncommerical | Construction and land development |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 1,056,000 | 1,249,000 | 892,000 | 681,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 74,000 | (323,000) | 192,000 | 254,000 |  |  |  |
Charge-offs | 0 | (23,000) | (22,000) | (94,000) |  |  |  |
Recoveries | 3,000 | 2,000 | 71,000 | 64,000 |  |  |  |
Ending balance | 1,133,000 | 905,000 | 1,133,000 | 905,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 860,000 | 1,340,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 226,420,000 | 203,676,000 |  |
Net loans and leases |  |  |  |  | 227,280,000 | 205,016,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 0 | 71,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 1,133,000 | 821,000 |  |
Total allowance for loan and lease losses | 1,056,000 | 1,249,000 | 892,000 | 681,000 | 1,133,000 | 892,000 | 905,000 | 681,000
Non-PCI Loans | Noncommerical | Mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 11,328,000 | 10,944,000 | 10,661,000 | 10,511,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 1,162,000 | (1,557,000) | 1,975,000 | (948,000) |  |  |  |
Charge-offs | (90,000) | (234,000) | (374,000) | (418,000) |  |  |  |
Recoveries | 305,000 | 148,000 | 443,000 | 156,000 |  |  |  |
Ending balance | 12,705,000 | 9,301,000 | 12,705,000 | 9,301,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 16,424,000 | 14,913,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 2,580,640,000 | 2,478,145,000 |  |
Net loans and leases |  |  |  |  | 2,597,064,000 | 2,493,058,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 1,623,000 | 1,360,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 11,082,000 | 9,301,000 |  |
Total allowance for loan and lease losses | 11,328,000 | 10,944,000 | 10,661,000 | 10,511,000 | 12,705,000 | 10,661,000 | 9,301,000 | 10,511,000
Non-PCI Loans | Noncommerical | Revolving mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 17,529,000 | 16,408,000 | 18,650,000 | 16,239,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 31,000 | 1,252,000 | (431,000) | 2,605,000 |  |  |  |
Charge-offs | (616,000) | (1,064,000) | (1,409,000) | (2,324,000) |  |  |  |
Recoveries | 346,000 | 201,000 | 480,000 | 277,000 |  |  |  |
Ending balance | 17,290,000 | 16,797,000 | 17,290,000 | 16,797,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 3,961,000 | 3,675,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 2,525,975,000 | 2,558,125,000 |  |
Net loans and leases |  |  |  |  | 2,529,936,000 | 2,561,800,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 168,000 | 1,052,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 17,122,000 | 17,598,000 |  |
Total allowance for loan and lease losses | 17,529,000 | 16,408,000 | 18,650,000 | 16,239,000 | 17,290,000 | 18,650,000 | 16,797,000 | 16,239,000
Non-PCI Loans | Noncommerical | Consumer |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 17,616,000 | 13,282,000 | 16,555,000 | 13,541,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 6,613,000 | 2,737,000 | 9,579,000 | 4,012,000 |  |  |  |
Charge-offs | (2,743,000) | (2,628,000) | (5,526,000) | (4,805,000) |  |  |  |
Recoveries | 630,000 | 584,000 | 1,508,000 | 1,227,000 |  |  |  |
Ending balance | 22,116,000 | 13,975,000 | 22,116,000 | 13,975,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Loans and leases individually evaluated for impairment |  |  |  |  | 1,117,000 | 995,000 |  |
Loans and leases collectively evaluated for impairment |  |  |  |  | 1,163,106,000 | 1,116,459,000 |  |
Net loans and leases |  |  |  |  | 1,164,223,000 | 1,117,454,000 |  |
ALLL for loans and leases individually evaluated for impairment |  |  |  |  | 577,000 | 555,000 |  |
ALLL for loans and leases collectively evaluated for impairment |  |  |  |  | 21,539,000 | 16,000,000 |  |
Total allowance for loan and lease losses | 17,616,000 | 13,282,000 | 16,555,000 | 13,541,000 | 22,116,000 | 16,555,000 | 13,975,000 | 13,541,000
PCI Loans |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 17,619,000 | 44,993,000 | 21,629,000 | 53,520,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (1,275,000) | (9,529,000) | (4,139,000) | (11,802,000) |  |  |  |
Charge-offs | (876,000) | (6,133,000) | (2,022,000) | (12,387,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 15,468,000 | 29,331,000 | 15,468,000 | 29,331,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 17,619,000 | 44,993,000 | 21,629,000 | 53,520,000 | 15,468,000 | 21,629,000 | 29,331,000 | 53,520,000
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | 1,123,239,000 | 1,186,498,000 |  |
PCI Loans | Commercial | Construction and land development |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 341,000 | 4,476,000 | 150,000 | 1,320,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 325,000 | (77,000) | 516,000 | 3,278,000 |  |  |  |
Charge-offs | (97,000) | (596,000) | (97,000) | (795,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 569,000 | 3,803,000 | 569,000 | 3,803,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 341,000 | 4,476,000 | 150,000 | 1,320,000 | 569,000 | 150,000 | 3,803,000 | 1,320,000
PCI Loans | Commercial | Mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 8,876,000 | 23,003,000 | 10,135,000 | 29,906,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (2,065,000) | (1,185,000) | (2,990,000) | (4,571,000) |  |  |  |
Charge-offs | (383,000) | (4,503,000) | (717,000) | (8,020,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 6,428,000 | 17,315,000 | 6,428,000 | 17,315,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 8,876,000 | 23,003,000 | 10,135,000 | 29,906,000 | 6,428,000 | 10,135,000 | 17,315,000 | 29,906,000
PCI Loans | Commercial | Other commercial real estate |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 194,000 | 1,204,000 | 75,000 | 1,354,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (125,000) | (797,000) | (6,000) | (947,000) |  |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 69,000 | 407,000 | 69,000 | 407,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 194,000 | 1,204,000 | 75,000 | 1,354,000 | 69,000 | 75,000 | 407,000 | 1,354,000
PCI Loans | Commercial | Commercial and industrial |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 11,000 | 2,256,000 | 1,240,000 | 5,275,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 399,000 | (1,729,000) | (632,000) | (2,065,000) |  |  |  |
Charge-offs | (87,000) | (152,000) | (285,000) | (2,835,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 323,000 | 375,000 | 323,000 | 375,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 11,000 | 2,256,000 | 1,240,000 | 5,275,000 | 323,000 | 1,240,000 | 375,000 | 5,275,000
PCI Loans | Noncommerical | Construction and land development |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 31,000 | 583,000 | 183,000 | 682,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (31,000) | (583,000) | (183,000) | (682,000) |  |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 0 | 0 | 0 | 0 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 31,000 | 583,000 | 183,000 | 682,000 | 0 | 183,000 | 0 | 682,000
PCI Loans | Noncommerical | Mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 4,872,000 | 9,764,000 | 5,820,000 | 11,802,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 1,165,000 | (2,176,000) | 302,000 | (4,476,000) |  |  |  |
Charge-offs | (195,000) | (495,000) | (280,000) | (233,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 5,842,000 | 7,093,000 | 5,842,000 | 7,093,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 4,872,000 | 9,764,000 | 5,820,000 | 11,802,000 | 5,842,000 | 5,820,000 | 7,093,000 | 11,802,000
PCI Loans | Noncommerical | Revolving mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 3,271,000 | 3,493,000 | 3,999,000 | 2,959,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | (1,112,000) | (3,031,000) | (1,767,000) | (2,397,000) |  |  |  |
Charge-offs | (108,000) | (381,000) | (181,000) | (481,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 2,051,000 | 81,000 | 2,051,000 | 81,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | 3,271,000 | 3,493,000 | 3,999,000 | 2,959,000 | 2,051,000 | 3,999,000 | 81,000 | 2,959,000
PCI Loans | Noncommerical | Consumer and Other |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 23,000 | 214,000 | 27,000 | 222,000 |  |  |  |
Provision for Loan, Lease, and Other Losses | 169,000 | 49,000 | 621,000 | 58,000 |  |  |  |
Charge-offs | (6,000) | (6,000) | (462,000) | (23,000) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Ending balance | 186,000 | 257,000 | 186,000 | 257,000 |  |  |  |
Allowance for Loans and Leases Evaluated for Impairment [Abstract] |  |  |  |  |  |  |  |
Total allowance for loan and lease losses | $ 23,000 | $ 214,000 | $ 27,000 | $ 222,000 | 186,000 | 27,000 | $ 257,000 | $ 222,000
Loan and Leases Acquired with Deteriorated Credit Quality [Abstract] |  |  |  |  |  |  |  |
Loans and leases acquired with deteriorated credit quality |  |  |  |  | $ 5,799,000 | $ 6,093,000 |  |

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