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Loans and Allowance for Credit Losses - Impaired Loans, Net of Government Guarantees and Excluding Loans Acquired, Segregated by Class of Loans (Details) - Loans, Excluding Acquired Loans $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | $ 90,639
Recorded Investment With No Allowance | 33,043
Recorded Investment With Allowance | 35,889
Total Recorded Investment | 68,932
Related Allowance | 5,747
Average Investment in Impaired Loans | 59,076
Interest Income Recognized | 1,500
Consumer |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 1,919
Recorded Investment With No Allowance | 1,760
Recorded Investment With Allowance | 0
Total Recorded Investment | 1,760
Related Allowance | 0
Average Investment in Impaired Loans | 2,032
Interest Income Recognized | 91
Consumer | Credit cards |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 382
Recorded Investment With No Allowance | 382
Recorded Investment With Allowance | 0
Total Recorded Investment | 382
Related Allowance | 0
Average Investment in Impaired Loans | 373
Interest Income Recognized | 50
Consumer | Other consumer |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 1,537
Recorded Investment With No Allowance | 1,378
Recorded Investment With Allowance | 0
Total Recorded Investment | 1,378
Related Allowance | 0
Average Investment in Impaired Loans | 1,659
Interest Income Recognized | 41
Real Estate |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 34,759
Recorded Investment With No Allowance | 24,318
Recorded Investment With Allowance | 6,775
Total Recorded Investment | 31,093
Related Allowance | 740
Average Investment in Impaired Loans | 27,917
Interest Income Recognized | 690
Real Estate | Construction and development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 4,648
Recorded Investment With No Allowance | 4,466
Recorded Investment With Allowance | 72
Total Recorded Investment | 4,538
Related Allowance | 4
Average Investment in Impaired Loans | 2,464
Interest Income Recognized | 61
Real Estate | Single family residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 19,466
Recorded Investment With No Allowance | 15,139
Recorded Investment With Allowance | 2,963
Total Recorded Investment | 18,102
Related Allowance | 42
Average Investment in Impaired Loans | 15,470
Interest Income Recognized | 382
Real Estate | Other commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 10,645
Recorded Investment With No Allowance | 4,713
Recorded Investment With Allowance | 3,740
Total Recorded Investment | 8,453
Related Allowance | 694
Average Investment in Impaired Loans | 9,983
Interest Income Recognized | 247
Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 53,961
Recorded Investment With No Allowance | 6,965
Recorded Investment With Allowance | 29,114
Total Recorded Investment | 36,079
Related Allowance | 5,007
Average Investment in Impaired Loans | 29,127
Interest Income Recognized | 719
Commercial | Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 53,436
Recorded Investment With No Allowance | 6,582
Recorded Investment With Allowance | 28,998
Total Recorded Investment | 35,580
Related Allowance | 5,007
Average Investment in Impaired Loans | 28,219
Interest Income Recognized | 697
Commercial | Agricultural |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Unpaid Contractual Principal Balance | 525
Recorded Investment With No Allowance | 383
Recorded Investment With Allowance | 116
Total Recorded Investment | 499
Related Allowance | 0
Average Investment in Impaired Loans | 908
Interest Income Recognized | $ 22

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