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Allowance for Loan Losses (Accruing and Non-Accruing Troubled Debt Restructurings) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   $ 130,458  
Troubled Debt Restructuring, Recorded Investment $ 160,928 130,458  
Impaired Financing Receivable, Related Allowance   6,645  
Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 14,034,985 12,424,268  
Financing Receivable, Recorded Investment, Past Due 83,520 69,544  
Total originated loans 14,118,505 12,493,812 $ 10,213,387
Troubled Debt Restructuring, Recorded Investment 116,364 83,119  
Impaired Financing Receivable, Related Allowance 14,349 5,950  
Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,697,364 2,403,824  
Financing Receivable, Recorded Investment, Past Due 45,707 75,356  
Total originated loans 1,743,071 2,479,180  
Troubled Debt Restructuring, Recorded Investment 19,518 12,100  
Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   9,224  
Troubled Debt Restructuring, Recorded Investment 25,046 35,239  
Impaired Financing Receivable, Related Allowance   48  
Covered TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   35,239  
Impaired Financing Receivable, Related Allowance   3,222  
Commercial and Industrial Financing Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   7,318  
Troubled Debt Restructuring, Recorded Investment 40,698 7,318  
Impaired Financing Receivable, Related Allowance   90  
Commercial and Industrial Financing Receivable | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 5,779,785 5,169,157  
Financing Receivable, Recorded Investment, Past Due 13,623 6,044  
Total originated loans 5,793,408 5,175,201 4,139,567
Troubled Debt Restructuring, Recorded Investment 33,087 7,123  
Commercial and Industrial Financing Receivable | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 236,467 444,137  
Financing Receivable, Recorded Investment, Past Due 3,678 5,117  
Total originated loans 240,145 449,254  
Troubled Debt Restructuring, Recorded Investment 7,611 18  
Commercial and Industrial Financing Receivable | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   177  
Impaired Financing Receivable, Related Allowance   0  
Commercial Real Estate      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   45,648  
Troubled Debt Restructuring, Recorded Investment 29,645 45,648  
Impaired Financing Receivable, Related Allowance   3,172  
Commercial Real Estate | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans 2,077,344 2,117,118 2,169,787
Troubled Debt Restructuring, Recorded Investment 14,671 17,607  
Commercial Real Estate | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 918 2,542  
Commercial Real Estate | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   25,499  
Impaired Financing Receivable, Related Allowance   2,879  
Construction Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   339  
Troubled Debt Restructuring, Recorded Investment 593 339  
Impaired Financing Receivable, Related Allowance   295  
Construction Loans | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 643,491 537,766  
Financing Receivable, Recorded Investment, Past Due 1,846 0  
Total originated loans 645,337 537,766 338,925
Troubled Debt Restructuring, Recorded Investment 0 0  
Construction Loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 5,380 6,286  
Financing Receivable, Recorded Investment, Past Due 733 685  
Total originated loans 6,113 6,971  
Troubled Debt Restructuring, Recorded Investment 0    
Construction Loans | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   339  
Impaired Financing Receivable, Related Allowance   295  
Commercial Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   53,305  
Troubled Debt Restructuring, Recorded Investment 70,936 53,305  
Impaired Financing Receivable, Related Allowance   3,557  
Commercial Loan | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 47,758 24,730  
Commercial Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 8,529 2,560  
Commercial Loan | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   26,015  
Impaired Financing Receivable, Related Allowance   3,174  
Installment      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   25,880  
Troubled Debt Restructuring, Recorded Investment 38,021 25,880  
Impaired Financing Receivable, Related Allowance   1,243  
Installment | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 2,963,667 2,370,467  
Financing Receivable, Recorded Investment, Past Due 26,682 22,984  
Total originated loans 2,990,349 2,393,451 1,727,925
Troubled Debt Restructuring, Recorded Investment 36,904 24,905  
Installment | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 566,010 754,074  
Financing Receivable, Recorded Investment, Past Due 7,362 10,094  
Total originated loans 573,372 764,168  
Troubled Debt Restructuring, Recorded Investment 1,117 975  
Home Equity Line of Credit      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   23,201  
Troubled Debt Restructuring, Recorded Investment 25,013 23,201  
Impaired Financing Receivable, Related Allowance   243  
Home Equity Line of Credit | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans 1,248,438 1,110,336 920,066
Troubled Debt Restructuring, Recorded Investment 7,080 7,379  
Home Equity Line of Credit | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 7,718 6,932  
Home Equity Line of Credit | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   8,890  
Troubled Debt Restructuring, Recorded Investment 10,215 8,890  
Impaired Financing Receivable, Related Allowance   27  
Credit Card Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   854  
Troubled Debt Restructuring, Recorded Investment 717 854  
Impaired Financing Receivable, Related Allowance   296  
Credit Card Receivable | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 180,268 162,434  
Financing Receivable, Recorded Investment, Past Due 2,575 2,044  
Total originated loans 182,843 164,478 148,313
Troubled Debt Restructuring, Recorded Investment 717 854  
Reserve on residential mortgage loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   27,218  
Troubled Debt Restructuring, Recorded Investment 26,241 27,218  
Impaired Financing Receivable, Related Allowance   1,306  
Reserve on residential mortgage loans | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 669,734 602,440  
Financing Receivable, Recorded Investment, Past Due 19,311 22,843  
Total originated loans 689,045 625,283 $ 529,253
Troubled Debt Restructuring, Recorded Investment 23,905 25,251  
Reserve on residential mortgage loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 307,889 372,685  
Financing Receivable, Recorded Investment, Past Due 16,119 21,799  
Total originated loans 324,008 394,484  
Troubled Debt Restructuring, Recorded Investment 2,154 1,633  
Reserve on residential mortgage loans | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   334  
Troubled Debt Restructuring, Recorded Investment 182 334  
Impaired Financing Receivable, Related Allowance   21  
Consumer Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   77,153  
Troubled Debt Restructuring, Recorded Investment 89,992 77,153  
Impaired Financing Receivable, Related Allowance   3,088  
Consumer Loan | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 68,606 58,389  
Consumer Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 10,989 9,540  
Consumer Loan | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 10,397 9,224  
Accruing TDRs      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 115,149 84,600  
Financing Receivable, Recorded Investment, Past Due 21,461 26,792  
Total originated loans 136,610 111,392  
Accruing TDRs | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 87,694 62,333  
Financing Receivable, Recorded Investment, Past Due 6,298 5,545  
Total originated loans 93,992 67,878  
Accruing TDRs | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 16,615 7,910  
Financing Receivable, Recorded Investment, Past Due 1,037 694  
Total originated loans 17,652 8,604  
Accruing TDRs | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current   8,895  
Financing Receivable, Recorded Investment, Past Due   0  
Total originated loans   8,895  
Accruing TDRs | Covered TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 10,840 14,357  
Financing Receivable, Recorded Investment, Past Due 14,126 20,553  
Total originated loans 24,966 34,910  
Accruing TDRs | Commercial and Industrial Financing Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 30,177 6,755  
Financing Receivable, Recorded Investment, Past Due 107 177  
Total originated loans 30,284 6,932  
Accruing TDRs | Commercial and Industrial Financing Receivable | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 22,566 6,740  
Financing Receivable, Recorded Investment, Past Due 107 0  
Total originated loans 22,673 6,740  
Accruing TDRs | Commercial and Industrial Financing Receivable | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 7,611 15  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 7,611 15  
Accruing TDRs | Commercial and Industrial Financing Receivable | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 177  
Total originated loans 0 177  
Accruing TDRs | Commercial Real Estate      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 10,271 18,008  
Financing Receivable, Recorded Investment, Past Due 16,303 21,328  
Total originated loans 26,574 39,336  
Accruing TDRs | Commercial Real Estate | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 10,271 12,885  
Financing Receivable, Recorded Investment, Past Due 2,247 952  
Total originated loans 12,518 13,837  
Accruing TDRs | Commercial Real Estate | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Accruing TDRs | Commercial Real Estate | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 5,123  
Financing Receivable, Recorded Investment, Past Due 14,056 20,376  
Total originated loans 14,056 25,499  
Accruing TDRs | Construction Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 593 339  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 593 339  
Accruing TDRs | Construction Loans | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Accruing TDRs | Construction Loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0    
Financing Receivable, Recorded Investment, Past Due 0    
Total originated loans 0    
Accruing TDRs | Construction Loans | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 593 339  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 593 339  
Accruing TDRs | Commercial Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 41,041 25,102  
Financing Receivable, Recorded Investment, Past Due 16,410 21,505  
Total originated loans 57,451 46,607  
Accruing TDRs | Commercial Loan | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 32,837 19,625  
Financing Receivable, Recorded Investment, Past Due 2,354 952  
Total originated loans 35,191 20,577  
Accruing TDRs | Commercial Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 7,611 15  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 7,611 15  
Accruing TDRs | Commercial Loan | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 593 5,462  
Financing Receivable, Recorded Investment, Past Due 14,056 20,553  
Total originated loans 14,649 26,015  
Accruing TDRs | Installment      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 35,869 23,095  
Financing Receivable, Recorded Investment, Past Due 920 813  
Total originated loans 36,789 23,908  
Accruing TDRs | Installment | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 34,902 22,254  
Financing Receivable, Recorded Investment, Past Due 794 726  
Total originated loans 35,696 22,980  
Accruing TDRs | Installment | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 967 841  
Financing Receivable, Recorded Investment, Past Due 126 87  
Total originated loans 1,093 928  
Accruing TDRs | Home Equity Line of Credit      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 23,517 20,986  
Financing Receivable, Recorded Investment, Past Due 839 876  
Total originated loans 24,356 21,862  
Accruing TDRs | Home Equity Line of Credit | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6,511 6,239  
Financing Receivable, Recorded Investment, Past Due 114 269  
Total originated loans 6,625 6,508  
Accruing TDRs | Home Equity Line of Credit | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6,941 6,186  
Financing Receivable, Recorded Investment, Past Due 655 607  
Total originated loans 7,596 6,793  
Accruing TDRs | Home Equity Line of Credit | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 10,065 8,561  
Financing Receivable, Recorded Investment, Past Due 70 0  
Total originated loans 10,135 8,561  
Accruing TDRs | Credit Card Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 575 775  
Financing Receivable, Recorded Investment, Past Due 140 60  
Total originated loans 715 835  
Accruing TDRs | Credit Card Receivable | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 575 775  
Financing Receivable, Recorded Investment, Past Due 140 60  
Total originated loans 715 835  
Accruing TDRs | Reserve on residential mortgage loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 14,147 14,642  
Financing Receivable, Recorded Investment, Past Due 3,152 3,538  
Total originated loans 17,299 18,180  
Accruing TDRs | Reserve on residential mortgage loans | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 12,869 13,440  
Financing Receivable, Recorded Investment, Past Due 2,896 3,538  
Total originated loans 15,765 16,978  
Accruing TDRs | Reserve on residential mortgage loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,096 868  
Financing Receivable, Recorded Investment, Past Due 256 0  
Total originated loans 1,352 868  
Accruing TDRs | Reserve on residential mortgage loans | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 182 334  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 182 334  
Accruing TDRs | Consumer Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 74,108 59,498  
Financing Receivable, Recorded Investment, Past Due 5,051 5,287  
Total originated loans 79,159 64,785  
Accruing TDRs | Consumer Loan | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 54,857 42,708  
Financing Receivable, Recorded Investment, Past Due 3,944 4,593  
Total originated loans 58,801 47,301  
Accruing TDRs | Consumer Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 9,004 7,895  
Financing Receivable, Recorded Investment, Past Due 1,037 694  
Total originated loans 10,041 8,589  
Accruing TDRs | Consumer Loan | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 10,247    
Financing Receivable, Recorded Investment, Past Due 70    
Total originated loans 10,317    
Nonaccruing TDRs      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 12,713 9,892  
Financing Receivable, Recorded Investment, Past Due 11,605 9,174  
Total originated loans 24,318 19,066  
Nonaccruing TDRs | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 11,110 7,949  
Financing Receivable, Recorded Investment, Past Due 11,262 7,292  
Total originated loans 22,372 15,241  
Nonaccruing TDRs | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,597 1,614  
Financing Receivable, Recorded Investment, Past Due 269 1,882  
Total originated loans 1,866 3,496  
Nonaccruing TDRs | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current   329  
Financing Receivable, Recorded Investment, Past Due   0  
Total originated loans   329  
Nonaccruing TDRs | Covered TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6 329  
Financing Receivable, Recorded Investment, Past Due 74 0  
Total originated loans 80 329  
Nonaccruing TDRs | Commercial and Industrial Financing Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 4,229 3  
Financing Receivable, Recorded Investment, Past Due 6,185 383  
Total originated loans 10,414 386  
Nonaccruing TDRs | Commercial and Industrial Financing Receivable | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 4,229 0  
Financing Receivable, Recorded Investment, Past Due 6,185 383  
Total originated loans 10,414 383  
Nonaccruing TDRs | Commercial and Industrial Financing Receivable | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 3  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 3  
Nonaccruing TDRs | Commercial and Industrial Financing Receivable | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Commercial Real Estate      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,405 1,372  
Financing Receivable, Recorded Investment, Past Due 1,666 4,940  
Total originated loans 3,071 6,312  
Nonaccruing TDRs | Commercial Real Estate | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 746 394  
Financing Receivable, Recorded Investment, Past Due 1,407 3,376  
Total originated loans 2,153 3,770  
Nonaccruing TDRs | Commercial Real Estate | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 659 978  
Financing Receivable, Recorded Investment, Past Due 259 1,564  
Total originated loans 918 2,542  
Nonaccruing TDRs | Commercial Real Estate | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Construction Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Construction Loans | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Construction Loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0    
Financing Receivable, Recorded Investment, Past Due 0    
Total originated loans 0    
Nonaccruing TDRs | Construction Loans | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Commercial Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 5,634 1,375  
Financing Receivable, Recorded Investment, Past Due 7,851 5,323  
Total originated loans 13,485 6,698  
Nonaccruing TDRs | Commercial Loan | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 4,975 394  
Financing Receivable, Recorded Investment, Past Due 7,592 3,759  
Total originated loans 12,567 4,153  
Nonaccruing TDRs | Commercial Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 659 981  
Financing Receivable, Recorded Investment, Past Due 259 1,564  
Total originated loans 918 2,545  
Nonaccruing TDRs | Commercial Loan | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Installment      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,139 1,687  
Financing Receivable, Recorded Investment, Past Due 93 285  
Total originated loans 1,232 1,972  
Nonaccruing TDRs | Installment | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 1,125 1,663  
Financing Receivable, Recorded Investment, Past Due 83 262  
Total originated loans 1,208 1,925  
Nonaccruing TDRs | Installment | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 14 24  
Financing Receivable, Recorded Investment, Past Due 10 23  
Total originated loans 24 47  
Nonaccruing TDRs | Home Equity Line of Credit      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 527 1,339  
Financing Receivable, Recorded Investment, Past Due 130 0  
Total originated loans 657 1,339  
Nonaccruing TDRs | Home Equity Line of Credit | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 399 871  
Financing Receivable, Recorded Investment, Past Due 56 0  
Total originated loans 455 871  
Nonaccruing TDRs | Home Equity Line of Credit | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 122 139  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 122 139  
Nonaccruing TDRs | Home Equity Line of Credit | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6 329  
Financing Receivable, Recorded Investment, Past Due 74 0  
Total originated loans 80 329  
Nonaccruing TDRs | Credit Card Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 15  
Financing Receivable, Recorded Investment, Past Due 2 4  
Total originated loans 2 19  
Nonaccruing TDRs | Credit Card Receivable | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 15  
Financing Receivable, Recorded Investment, Past Due 2 4  
Total originated loans 2 19  
Nonaccruing TDRs | Reserve on residential mortgage loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 5,413 5,476  
Financing Receivable, Recorded Investment, Past Due 3,529 3,562  
Total originated loans 8,942 9,038  
Nonaccruing TDRs | Reserve on residential mortgage loans | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 4,611 5,006  
Financing Receivable, Recorded Investment, Past Due 3,529 3,267  
Total originated loans 8,140 8,273  
Nonaccruing TDRs | Reserve on residential mortgage loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 802 470  
Financing Receivable, Recorded Investment, Past Due 0 295  
Total originated loans 802 765  
Nonaccruing TDRs | Reserve on residential mortgage loans | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 0 0  
Financing Receivable, Recorded Investment, Past Due 0 0  
Total originated loans 0 0  
Nonaccruing TDRs | Consumer Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 7,079 8,517  
Financing Receivable, Recorded Investment, Past Due 3,754 3,851  
Total originated loans 10,833 12,368  
Nonaccruing TDRs | Consumer Loan | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6,135 7,555  
Financing Receivable, Recorded Investment, Past Due 3,670 3,533  
Total originated loans 9,805 11,088  
Nonaccruing TDRs | Consumer Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 938 633  
Financing Receivable, Recorded Investment, Past Due 10 318  
Total originated loans 948 951  
Nonaccruing TDRs | Consumer Loan | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Financing Receivable, Recorded Investment, Current 6    
Financing Receivable, Recorded Investment, Past Due 74    
Total originated loans 80    
Total Tdr Allowance      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Impaired Financing Receivable, Related Allowance 11,128    
Total Tdr Allowance | Originated Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   83,119  
Troubled Debt Restructuring, Recorded Investment 116,364    
Impaired Financing Receivable, Related Allowance 8,456 3,195  
Total Tdr Allowance | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   12,100  
Troubled Debt Restructuring, Recorded Investment 19,518    
Impaired Financing Receivable, Related Allowance 316 228  
Total Tdr Allowance | Covered TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 25,046    
Impaired Financing Receivable, Related Allowance 2,356    
Total Tdr Allowance | Commercial and Industrial Financing Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 40,698    
Impaired Financing Receivable, Related Allowance 6,052    
Total Tdr Allowance | Commercial and Industrial Financing Receivable | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   7,123  
Troubled Debt Restructuring, Recorded Investment 33,087    
Impaired Financing Receivable, Related Allowance 6,052 72  
Total Tdr Allowance | Commercial and Industrial Financing Receivable | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   18  
Troubled Debt Restructuring, Recorded Investment 7,611    
Impaired Financing Receivable, Related Allowance 0 18  
Total Tdr Allowance | Commercial and Industrial Financing Receivable | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 0    
Impaired Financing Receivable, Related Allowance 0    
Total Tdr Allowance | Commercial Real Estate      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 29,645    
Impaired Financing Receivable, Related Allowance 2,554    
Total Tdr Allowance | Commercial Real Estate | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   17,607  
Troubled Debt Restructuring, Recorded Investment 14,671    
Impaired Financing Receivable, Related Allowance 20 159  
Total Tdr Allowance | Commercial Real Estate | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   2,542  
Troubled Debt Restructuring, Recorded Investment 918    
Impaired Financing Receivable, Related Allowance 201 134  
Total Tdr Allowance | Commercial Real Estate | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 14,056    
Impaired Financing Receivable, Related Allowance 2,333    
Total Tdr Allowance | Construction Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 593    
Impaired Financing Receivable, Related Allowance 0    
Total Tdr Allowance | Construction Loans | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   0  
Troubled Debt Restructuring, Recorded Investment 0    
Impaired Financing Receivable, Related Allowance 0 0  
Total Tdr Allowance | Construction Loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 0    
Impaired Financing Receivable, Related Allowance 0    
Total Tdr Allowance | Construction Loans | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 593    
Impaired Financing Receivable, Related Allowance 0    
Total Tdr Allowance | Commercial Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 70,936    
Impaired Financing Receivable, Related Allowance 8,606    
Total Tdr Allowance | Commercial Loan | Originated Loans Commercial      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   24,730  
Troubled Debt Restructuring, Recorded Investment 47,758    
Impaired Financing Receivable, Related Allowance 6,072 231  
Total Tdr Allowance | Commercial Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   2,560  
Troubled Debt Restructuring, Recorded Investment 8,529    
Impaired Financing Receivable, Related Allowance 201 152  
Total Tdr Allowance | Commercial Loan | Covered Commercial TDR Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 14,649    
Impaired Financing Receivable, Related Allowance 2,333    
Total Tdr Allowance | Installment      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 38,021    
Impaired Financing Receivable, Related Allowance 1,054    
Total Tdr Allowance | Installment | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   24,905  
Troubled Debt Restructuring, Recorded Investment 36,904    
Impaired Financing Receivable, Related Allowance 1,009 1,178  
Total Tdr Allowance | Installment | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   975  
Troubled Debt Restructuring, Recorded Investment 1,117    
Impaired Financing Receivable, Related Allowance 45 65  
Total Tdr Allowance | Home Equity Line of Credit      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 25,013    
Impaired Financing Receivable, Related Allowance 281    
Total Tdr Allowance | Home Equity Line of Credit | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   7,379  
Troubled Debt Restructuring, Recorded Investment 7,080    
Impaired Financing Receivable, Related Allowance 188 207  
Total Tdr Allowance | Home Equity Line of Credit | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   6,932  
Troubled Debt Restructuring, Recorded Investment 7,718    
Impaired Financing Receivable, Related Allowance 70 9  
Total Tdr Allowance | Home Equity Line of Credit | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 10,215    
Impaired Financing Receivable, Related Allowance 23    
Total Tdr Allowance | Credit Card Receivable      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 717    
Impaired Financing Receivable, Related Allowance 243    
Total Tdr Allowance | Credit Card Receivable | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   854  
Troubled Debt Restructuring, Recorded Investment 717    
Impaired Financing Receivable, Related Allowance 243 296  
Total Tdr Allowance | Reserve on residential mortgage loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 26,241    
Impaired Financing Receivable, Related Allowance 944    
Total Tdr Allowance | Reserve on residential mortgage loans | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   25,251  
Troubled Debt Restructuring, Recorded Investment 23,905    
Impaired Financing Receivable, Related Allowance 944 1,283  
Total Tdr Allowance | Reserve on residential mortgage loans | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   1,633  
Troubled Debt Restructuring, Recorded Investment 2,154    
Impaired Financing Receivable, Related Allowance 0 2  
Total Tdr Allowance | Reserve on residential mortgage loans | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 182    
Impaired Financing Receivable, Related Allowance 0    
Total Tdr Allowance | Consumer Loan      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 89,992    
Impaired Financing Receivable, Related Allowance 2,522    
Total Tdr Allowance | Consumer Loan | Originated Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   58,389  
Troubled Debt Restructuring, Recorded Investment 68,606    
Impaired Financing Receivable, Related Allowance 2,384 2,964  
Total Tdr Allowance | Consumer Loan | Acquired Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Total originated loans   9,540  
Troubled Debt Restructuring, Recorded Investment 10,989    
Impaired Financing Receivable, Related Allowance 115 $ 76  
Total Tdr Allowance | Consumer Loan | Covered Consumer Loans      
Accruing and Nonaccruing Troubled Debt Restructurings [Line Items]      
Troubled Debt Restructuring, Recorded Investment 10,397    
Impaired Financing Receivable, Related Allowance $ 23