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Loans Held for Investment (LHFI) and Allowance for Loan Losses, LHFI (1) (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) Region | Jun. 30, 2014 USD ($) | Dec. 31, 2014 USD ($)
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | $ 83,500 |  | $ 96,365
Total LHFI With No Related Allowance Recorded | 14,364 |  | 23,135
Total LHFI With an Allowance Recorded | 54,074 |  | 56,208
Total LHFI Carrying Amount | 68,438 |  | 79,343
Related Allowance | 14,220 |  | 12,764
Average Recorded Investment | $ 73,891 |  | 72,291
Maximum concentration of loan as a percentage of total LHFI (in hundredths) | 10.00% |  |
Key market regions | Region | 5 |  |
Carrying amounts of nonaccrual LHFI considered for impairment analysis | $ 68,400 |  | 79,300
Minimum loan amount for loan to be individually assessed for impairment | 500 |  |
Nonaccrual financing receivable, specifically evaluated for impairment | 37,900 |  | 47,100
Nonaccrual financing receivable, allowance for credit losses, specifically evaluated for impairment | 12,400 |  | 11,300
Nonaccrual financing receivable, allowance for credit losses, charge-offs, specifically evaluated for impairment | 1,300 | $ 55 |
Nonaccrual financing receivable specifically evaluated for impairment allowance for credit losses provisions | 1,900 | 1,400 |
Nonaccrual financing receivable, not specifically evaluated for impairment | 30,500 |  | 32,200
Nonaccrual financing receivable, allowance for credit losses, not specifically evaluated for impairment | 1,800 |  | 1,500
Amount held by company of foreclosure or in substance repossession of consumer mortgage LHFI classified as TDRs | 736 |  |
TDRs Classified as Consumer mortgage LHFI in the process of formal disclosure | 149 |  |
Classified as Troubled Debt Restructuring LHFI | 12,100 | 12,600 |
TDRs comprised of credits with interest only payments | 8,300 | 8,400 |
Financing receivable, related allowance | 1,900 | 1,500 |
Financing receivable, related charge-offs | 806 | $ 55 |
Construction, Land Development And Other Land Properties [Member] | Loans Secured by Real Estate [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 17,580 |  | 20,849
Total LHFI With No Related Allowance Recorded | 4,918 |  | 7,411
Total LHFI With an Allowance Recorded | 5,970 |  | 6,456
Total LHFI Carrying Amount | 10,888 |  | 13,867
Related Allowance | 3,007 |  | 2,767
Average Recorded Investment | 12,378 |  | 13,597
Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 30,483 |  | 31,151
Total LHFI With No Related Allowance Recorded | 1,291 |  | 1,650
Total LHFI With an Allowance Recorded | 23,591 |  | 23,971
Total LHFI Carrying Amount | 24,882 |  | 25,621
Related Allowance | 469 |  | 450
Average Recorded Investment | 25,251 |  | 23,612
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 20,663 |  | 27,969
Total LHFI With No Related Allowance Recorded | 6,727 |  | 12,868
Total LHFI With an Allowance Recorded | 12,303 |  | 12,849
Total LHFI Carrying Amount | 19,030 |  | 25,717
Related Allowance | 3,295 |  | 2,787
Average Recorded Investment | 22,373 |  | 23,763
Other Real Estate Secured [Member] | Loans Secured by Real Estate [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 704 |  | 1,594
Total LHFI With No Related Allowance Recorded | 0 |  | 0
Total LHFI With an Allowance Recorded | 610 |  | 1,318
Total LHFI Carrying Amount | 610 |  | 1,318
Related Allowance | 46 |  | 52
Average Recorded Investment | 964 |  | 1,322
Commercial and Industrial Loans [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 13,290 |  | 13,916
Total LHFI With No Related Allowance Recorded | 1,428 |  | 1,206
Total LHFI With an Allowance Recorded | 10,983 |  | 10,898
Total LHFI Carrying Amount | 12,411 |  | 12,104
Related Allowance | 7,196 |  | 6,449
Average Recorded Investment | 12,258 |  | 9,195
Consumer Loans [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 86 |  | 152
Total LHFI With No Related Allowance Recorded | 0 |  | 0
Total LHFI With an Allowance Recorded | 44 |  | 88
Total LHFI Carrying Amount | 44 |  | 88
Related Allowance | 0 |  | 0
Average Recorded Investment | 66 |  | 120
State and Other Political Subdivision Loans [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 0 |  | 0
Total LHFI With No Related Allowance Recorded | 0 |  | 0
Total LHFI With an Allowance Recorded | 0 |  | 0
Total LHFI Carrying Amount | 0 |  | 0
Related Allowance | 0 |  | 0
Average Recorded Investment | 0 |  | 0
Other Loans [Member] |  |  |
Loan and Lease Receivables, Impaired [Abstract] |  |  |
Total LHFI Unpaid Principal Balance | 694 |  | 734
Total LHFI With No Related Allowance Recorded | 0 |  | 0
Total LHFI With an Allowance Recorded | 573 |  | 628
Total LHFI Carrying Amount | 573 |  | 628
Related Allowance | 207 |  | 259
Average Recorded Investment | $ 601 |  | $ 682

X
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- Definition Troubled Debt Restructuring (TDR) classified as Consumer mortgage LHFI that is in the process of formal disclosure. + References No definition available. + Details
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- Definition Reduction to the allowance for credit losses related to nonaccrual financing receivables specifically evaluated for impairment. + References No definition available. + Details
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