Allowance for Loan and Lease Losses (Troubled Debt Restructuring) (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) loans	Dec. 31, 2015 USD ($) loans	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	$ 218,795,000	$ 206,216,000	$ 204,466,000	$ 233,394,000
Financing Receivable, Modifications, Recorded Investment	150,916,000	144,843,000
Impaired Loans and Leases, Baseline for Meaurement	500,000
Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	$ 205,026,000	$ 189,904,000	182,837,000	179,874,000
Financing Receivable, Modifications, Number of Contracts | loans	503	372
Nonaccruing	$ 82,307,000	$ 95,854,000
Financing Receivable, Modifications, Recorded Investment	124,547,000	114,192,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 41,031,000	$ 37,183,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	143	50
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 7,558,000	$ 8,326,000
PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	$ 13,769,000	$ 16,312,000	21,629,000	53,520,000
Financing Receivable, Modifications, Number of Contracts | loans	10	18
Nonaccruing	$ 3,451,000	$ 7,579,000
Financing Receivable, Modifications, Recorded Investment	26,369,000	30,600,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 6,444,000	$ 1,752,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 3,000	$ 96,000
Commercial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	101,858,000	104,978,000
Commercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,600,000	3,881,000
Commercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	28,877,000	16,288,000	11,961,000	10,335,000
Nonaccruing	606,000	425,000
Commercial | Construction and land development | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	483,000	1,082,000	150,000	1,320,000
Commercial | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	84,698,000	84,540,000
Commercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	48,278,000	69,896,000	85,189,000	100,257,000
Nonaccruing	26,527,000	42,116,000
Commercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	6,423,000	7,838,000	10,135,000	29,906,000
Commercial | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,715,000	1,840,000
Commercial | Other commercial real estate | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	3,269,000	2,168,000	732,000	1,009,000
Nonaccruing	86,000	239,000
Commercial | Other commercial real estate | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	502,000	773,000	75,000	1,354,000
Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	10,629,000	12,174,000
Commercial | Commercial and industrial | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	50,225,000	43,116,000	30,727,000	22,362,000
Nonaccruing	4,275,000	6,235,000
Commercial | Commercial and industrial | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	504,000	445,000	1,240,000	5,275,000
Commercial | Lease financing
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,074,000	1,360,000
Commercial | Lease financing | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	5,907,000	5,524,000	4,286,000	4,749,000
Nonaccruing	359,000	389,000
Commercial | Other
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	142,000	1,183,000
Commercial | Other | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	3,127,000	1,855,000	3,184,000	190,000
Noncommercial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	49,058,000	39,865,000
Noncommercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	240,000	784,000
Noncommercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	1,596,000	1,485,000	892,000	681,000
Nonaccruing	1,121,000	2,164,000
Noncommercial | Construction and land development | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	0	0	183,000	682,000
Noncommercial | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	39,129,000	32,556,000
Noncommercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	23,094,000	14,105,000	10,661,000	10,511,000
Nonaccruing	32,470,000	29,977,000
Noncommercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	4,818,000	5,398,000	5,820,000	11,802,000
Noncommercial | Other | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Nonaccruing	319,000	133,000
Noncommercial | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	7,777,000	5,305,000
Noncommercial | Revolving mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	12,366,000	15,971,000	18,650,000	16,239,000
Nonaccruing	14,308,000	12,704,000
Noncommercial | Revolving mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	956,000	523,000	3,999,000	2,959,000
Noncommercial | Consumer and Other
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,912,000	1,220,000
Noncommercial | Consumer and Other | PCI Loans
Financing Receivable, Modifications [Line Items]
Allowance for loan and lease losses	83,000	253,000	$ 27,000	$ 222,000
Performing Financial Instruments [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	127,530,000	113,296,000
Performing Financial Instruments [Member] | Commercial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	85,329,000	82,394,000
Performing Financial Instruments [Member] | Commercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,292,000	3,624,000
Performing Financial Instruments [Member] | Commercial | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	70,263,000	65,812,000
Performing Financial Instruments [Member] | Commercial | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,635,000	1,751,000
Performing Financial Instruments [Member] | Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	9,193,000	8,833,000
Performing Financial Instruments [Member] | Commercial | Lease financing
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	882,000	1,191,000
Performing Financial Instruments [Member] | Commercial | Other
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	64,000	1,183,000
Performing Financial Instruments [Member] | Noncommercial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	42,201,000	30,902,000
Performing Financial Instruments [Member] | Noncommercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	240,000	784,000
Performing Financial Instruments [Member] | Noncommercial | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,012,000	25,427,000
Performing Financial Instruments [Member] | Noncommercial | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,346,000	3,600,000
Performing Financial Instruments [Member] | Noncommercial | Consumer and Other
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,603,000	1,091,000
Nonperforming Financial Instruments [Member]
Financing Receivable, Modifications [Line Items]
Nonaccruing	23,386,000	31,547,000
Nonperforming Financial Instruments [Member] | Commercial
Financing Receivable, Modifications [Line Items]
Nonaccruing	16,529,000	22,584,000
Nonperforming Financial Instruments [Member] | Commercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Nonaccruing	308,000	257,000
Nonperforming Financial Instruments [Member] | Commercial | Mortgage
Financing Receivable, Modifications [Line Items]
Nonaccruing	14,435,000	18,728,000
Nonperforming Financial Instruments [Member] | Commercial | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Nonaccruing	80,000	89,000
Nonperforming Financial Instruments [Member] | Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Nonaccruing	1,436,000	3,341,000
Nonperforming Financial Instruments [Member] | Commercial | Lease financing
Financing Receivable, Modifications [Line Items]
Nonaccruing	192,000	169,000
Nonperforming Financial Instruments [Member] | Commercial | Other
Financing Receivable, Modifications [Line Items]
Nonaccruing	78,000	0
Nonperforming Financial Instruments [Member] | Noncommercial
Financing Receivable, Modifications [Line Items]
Nonaccruing	6,857,000	8,963,000
Nonperforming Financial Instruments [Member] | Noncommercial | Construction and land development
Financing Receivable, Modifications [Line Items]
Nonaccruing	0	0
Nonperforming Financial Instruments [Member] | Noncommercial | Mortgage
Financing Receivable, Modifications [Line Items]
Nonaccruing	5,117,000	7,129,000
Nonperforming Financial Instruments [Member] | Noncommercial | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Nonaccruing	1,431,000	1,705,000
Nonperforming Financial Instruments [Member] | Noncommercial | Consumer and Other
Financing Receivable, Modifications [Line Items]
Nonaccruing	$ 309,000	$ 129,000
Extended Maturity [Member] | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	37	27
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 6,919,000	$ 4,858,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 40,000	$ 334,000
Extended Maturity [Member] | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 178,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Commercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 40,000	$ 18,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 40,000	$ 18,000
Extended Maturity [Member] | Commercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	7	12
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,428,000	$ 3,144,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 316,000
Extended Maturity [Member] | Commercial | Other commercial real estate | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 747,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Commercial | Commercial and industrial | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	8	5
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,070,000	$ 1,380,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Commercial | Lease financing | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 146,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Noncommercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	2	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 421,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Noncommercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	15	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,183,000	$ 110,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Noncommercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 178,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Extended Maturity [Member] | Noncommercial | Revolving mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 8,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Interest Rate Below Market Reduction [Member] | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	309	218
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 28,299,000	$ 24,728,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	87	24
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 6,054,000	$ 6,327,000
Interest Rate Below Market Reduction [Member] | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	8	14
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,479,000	$ 1,187,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 96,000
Interest Rate Below Market Reduction [Member] | Commercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	6	21
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 231,000	$ 992,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 122,000
Interest Rate Below Market Reduction [Member] | Commercial | Construction and land development | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 52,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Interest Rate Below Market Reduction [Member] | Commercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	45	37
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 12,030,000	$ 13,900,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	16	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,986,000	$ 3,969,000
Interest Rate Below Market Reduction [Member] | Commercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	4	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,255,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Interest Rate Below Market Reduction [Member] | Commercial | Other commercial real estate | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	3	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 619,000	$ 122,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Interest Rate Below Market Reduction [Member] | Commercial | Commercial and industrial | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	34	15
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,056,000	$ 2,301,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	11	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,144,000	$ 1,619,000
Interest Rate Below Market Reduction [Member] | Commercial | Lease financing | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	4	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 152,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	4	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 152,000	$ 0
Interest Rate Below Market Reduction [Member] | Noncommercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	15	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 676,000	$ 253,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	4	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 96,000	$ 0
Interest Rate Below Market Reduction [Member] | Noncommercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	185	116
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 11,087,000	$ 5,695,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	48	14
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 2,583,000	$ 607,000
Interest Rate Below Market Reduction [Member] | Noncommercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	3	14
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 172,000	$ 1,187,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 96,000
Interest Rate Below Market Reduction [Member] | Noncommercial | Other | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	2	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 120,000	$ 1,183,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 78,000	$ 0
Interest Rate Below Market Reduction [Member] | Noncommercial | Revolving mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	5	6
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 106,000	$ 136,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Discharge of Debt [Member] | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	154	121
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 5,122,000	$ 6,545,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	53	23
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,016,000	$ 1,665,000
Discharge of Debt [Member] | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	2	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,965,000	$ 387,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 3,000	$ 0
Discharge of Debt [Member] | Commercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 22,000	$ 38,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 22,000	$ 3,000
Discharge of Debt [Member] | Commercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	4	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 347,000	$ 1,897,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	2	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 73,000	$ 644,000
Discharge of Debt [Member] | Commercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	2	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,965,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 3,000	$ 0
Discharge of Debt [Member] | Commercial | Commercial and industrial | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	6	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 83,000	$ 146,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Discharge of Debt [Member] | Commercial | Lease financing | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 84,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Discharge of Debt [Member] | Noncommercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	22	29
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 773,000	$ 1,454,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	14	4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 326,000	$ 242,000
Discharge of Debt [Member] | Noncommercial | Mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 282,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Discharge of Debt [Member] | Noncommercial | Revolving mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	51	56
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,043,000	$ 2,714,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	13	9
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 345,000	$ 701,000
Discharge of Debt [Member] | Noncommercial | Revolving mortgage | PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 105,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Principal Forgiveness [Member] | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	3	6
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 691,000	$ 1,052,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 448,000	$ 0
Principal Forgiveness [Member] | Commercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	2	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 569,000	$ 185,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 326,000	$ 0
Principal Forgiveness [Member] | Commercial | Commercial and industrial | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 776,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Principal Forgiveness [Member] | Noncommercial | Construction and land development | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 91,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Principal Forgiveness [Member] | Noncommercial | Mortgage | Non-PCI Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 122,000	$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 122,000	$ 0