XML 84 R65.htm IDEA: XBRL DOCUMENT v3.3.1.900
Loans (Impaired Loans) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance $ 89,981 $ 69,656 $ 61,007
Recorded Investment With No Allowance 60,944 50,473 32,588
Recorded Investment With Allowance 16,534 3,118 15,874
Total Recorded Investment 77,478 53,591 48,462
Related Allowance 4,378 1,680 6,926
Average Recorded Investment 54,768 49,636 71,741
Commercial Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 26,067 42,212 31,429
Recorded Investment With No Allowance 18,776 29,007 15,337
Recorded Investment With Allowance 4,084 2,853 7,004
Total Recorded Investment 22,860 31,860 22,341
Related Allowance 2,378 1,613 4,140
Average Recorded Investment 27,338 27,154 34,894
Commercial and Industrial, Energy [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 25,240 706 545
Recorded Investment With No Allowance 8,689 636 531
Recorded Investment With Allowance 12,450 0 0
Total Recorded Investment 21,139 636 531
Related Allowance 2,000 0 0
Average Recorded Investment 7,235 571 428
Commercial Real Estate, Buildings, Land and Other [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 37,126 22,919 27,792
Recorded Investment With No Allowance 32,425 17,441 15,697
Recorded Investment With Allowance 0 265 8,870
Total Recorded Investment 32,425 17,706 24,567
Related Allowance 0 67 2,786
Average Recorded Investment 18,211 20,339 34,633
Construction Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 793 3,007 0
Recorded Investment With No Allowance 569 2,793 0
Recorded Investment With Allowance 0 0 0
Total Recorded Investment 569 2,793 0
Related Allowance 0 0 0
Average Recorded Investment 1,320 739 634
Residential Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 755 812 907
Recorded Investment With No Allowance 485 596 745
Recorded Investment With Allowance 0 0 0
Total Recorded Investment 485 596 745
Related Allowance 0 0 0
Average Recorded Investment 664 674 804
Consumer Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unpaid Contractual Principal Balance 0 0 334
Recorded Investment With No Allowance 0 0 278
Recorded Investment With Allowance 0 0 0
Total Recorded Investment 0 0 278
Related Allowance 0 0 0
Average Recorded Investment $ 0 $ 159 $ 348