XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.23.3

Loans - Aging of Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 12,175,234 | $ 11,585,458 |
Unearned income | (7,211) | (7,154) |
Loans held for investment, net of unearned income | 12,168,023 | 11,578,304 | $ 11,105,004
Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unearned income | (7,211) | (7,154) |
Loans held for investment, net of unearned income | 12,098,482 | 11,521,759 |
Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 69,541 | 56,545 |
30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 13,641 | 58,703 |
30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 6,630 | 13,386 |
90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 532 | 331 |
90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 27,472 | 18,381 |
Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unearned income | (7,211) | (7,154) |
Loans held for investment, net of unearned income | 12,084,309 | 11,462,725 |
Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for investment, net of unearned income | 35,439 | 24,778 |
Commercial, financial, agricultural |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,819,891 | 1,673,883 |
Loans held for investment, net of unearned income | 1,819,891 |  | 1,513,091
Commercial, financial, agricultural | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,812,192 | 1,661,409 |
Commercial, financial, agricultural | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 7,699 | 12,474 |
Commercial, financial, agricultural | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 343 | 1,303 |
Commercial, financial, agricultural | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 14 | 18 |
Commercial, financial, agricultural | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 46 | 69 |
Commercial, financial, agricultural | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,737 | 2,373 |
Commercial, financial, agricultural | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,811,803 | 1,660,037 |
Commercial, financial, agricultural | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 4,948 | 10,083 |
Lease financing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 127,935 | 122,167 |
Loans held for investment, net of unearned income | 120,724 |  | 103,357
Lease financing | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 126,887 | 122,167 |
Lease financing | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,048 | 0 |
Lease financing | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Lease financing | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 64 | 0 |
Lease financing | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Lease financing | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Lease financing | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 126,887 | 122,167 |
Lease financing | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 984 | 0 |
Real estate – construction: |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,407,364 | 1,330,337 |
Loans held for investment, net of unearned income | 1,407,364 |  | 1,215,056
Real estate – construction: | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,407,364 | 1,330,260 |
Real estate – construction: | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 77 |
Real estate – construction: | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 402 | 8,574 |
Real estate – construction: | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,406,962 | 1,321,686 |
Real estate – construction: | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 77 |
Real estate – construction: | Residential |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 300,238 | 355,500 |
Real estate – construction: | Residential | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 300,238 | 355,423 |
Real estate – construction: | Residential | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 77 |
Real estate – construction: | Residential | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 402 | 49 |
Real estate – construction: | Residential | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Residential | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Residential | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Residential | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 299,836 | 355,374 |
Real estate – construction: | Residential | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 77 |
Real estate – construction: | Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,107,126 | 974,837 |
Real estate – construction: | Commercial | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,107,126 | 974,837 |
Real estate – construction: | Commercial | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Commercial | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 8,525 |
Real estate – construction: | Commercial | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Commercial | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Commercial | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – construction: | Commercial | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,107,126 | 966,312 |
Real estate – construction: | Commercial | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – 1-4 family mortgage: |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,398,876 | 3,216,263 |
Loans held for investment, net of unearned income | 3,398,876 |  | 3,127,889
Real estate – 1-4 family mortgage: | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,351,850 | 3,183,220 |
Real estate – 1-4 family mortgage: | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 47,026 | 33,043 |
Real estate – 1-4 family mortgage: | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 10,091 | 34,468 |
Real estate – 1-4 family mortgage: | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 6,201 | 6,531 |
Real estate – 1-4 family mortgage: | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 460 | 38 |
Real estate – 1-4 family mortgage: | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 22,882 | 13,624 |
Real estate – 1-4 family mortgage: | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,341,299 | 3,148,714 |
Real estate – 1-4 family mortgage: | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 17,943 | 12,888 |
Real estate – 1-4 family mortgage: | Primary |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,405,703 | 2,222,856 |
Real estate – 1-4 family mortgage: | Primary | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,363,694 | 2,192,780 |
Real estate – 1-4 family mortgage: | Primary | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 42,009 | 30,076 |
Real estate – 1-4 family mortgage: | Primary | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 7,379 | 28,198 |
Real estate – 1-4 family mortgage: | Primary | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 4,721 | 6,015 |
Real estate – 1-4 family mortgage: | Primary | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 63 | 0 |
Real estate – 1-4 family mortgage: | Primary | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 20,287 | 12,503 |
Real estate – 1-4 family mortgage: | Primary | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,356,252 | 2,164,582 |
Real estate – 1-4 family mortgage: | Primary | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 17,001 | 11,558 |
Real estate – 1-4 family mortgage: | Home equity |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 509,394 | 501,906 |
Real estate – 1-4 family mortgage: | Home equity | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 506,796 | 499,997 |
Real estate – 1-4 family mortgage: | Home equity | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,598 | 1,909 |
Real estate – 1-4 family mortgage: | Home equity | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,429 | 5,376 |
Real estate – 1-4 family mortgage: | Home equity | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,155 | 450 |
Real estate – 1-4 family mortgage: | Home equity | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – 1-4 family mortgage: | Home equity | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 690 | 754 |
Real estate – 1-4 family mortgage: | Home equity | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 504,367 | 494,621 |
Real estate – 1-4 family mortgage: | Home equity | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 753 | 705 |
Real estate – 1-4 family mortgage: | Rental/investment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 353,613 | 334,382 |
Real estate – 1-4 family mortgage: | Rental/investment | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 351,363 | 333,406 |
Real estate – 1-4 family mortgage: | Rental/investment | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 2,250 | 976 |
Real estate – 1-4 family mortgage: | Rental/investment | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 251 | 720 |
Real estate – 1-4 family mortgage: | Rental/investment | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 325 | 20 |
Real estate – 1-4 family mortgage: | Rental/investment | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 397 | 38 |
Real estate – 1-4 family mortgage: | Rental/investment | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,751 | 331 |
Real estate – 1-4 family mortgage: | Rental/investment | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 350,715 | 332,648 |
Real estate – 1-4 family mortgage: | Rental/investment | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 174 | 625 |
Real estate – 1-4 family mortgage: | Land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 130,166 | 157,119 |
Real estate – 1-4 family mortgage: | Land development | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 129,997 | 157,037 |
Real estate – 1-4 family mortgage: | Land development | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 169 | 82 |
Real estate – 1-4 family mortgage: | Land development | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 32 | 174 |
Real estate – 1-4 family mortgage: | Land development | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 46 |
Real estate – 1-4 family mortgage: | Land development | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real estate – 1-4 family mortgage: | Land development | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 154 | 36 |
Real estate – 1-4 family mortgage: | Land development | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 129,965 | 156,863 |
Real estate – 1-4 family mortgage: | Land development | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 15 | 0 |
Real Estate - Commercial Mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 5,313,166 | 5,118,063 |
Loans held for investment, net of unearned income | 5,313,166 |  | 5,016,665
Real Estate - Commercial Mortgage | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 5,299,629 | 5,107,370 |
Real Estate - Commercial Mortgage | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 13,537 | 10,693 |
Real Estate - Commercial Mortgage | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,758 | 12,357 |
Real Estate - Commercial Mortgage | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 319 | 6,799 |
Real Estate - Commercial Mortgage | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 219 |
Real Estate - Commercial Mortgage | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,842 | 2,284 |
Real Estate - Commercial Mortgage | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 5,297,871 | 5,094,794 |
Real Estate - Commercial Mortgage | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 11,376 | 1,610 |
Real Estate - Commercial Mortgage | Land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 114,414 | 125,857 |
Real Estate - Commercial Mortgage | Land development | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 114,167 | 125,786 |
Real Estate - Commercial Mortgage | Land development | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 247 | 71 |
Real Estate - Commercial Mortgage | Land development | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 411 | 279 |
Real Estate - Commercial Mortgage | Land development | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real Estate - Commercial Mortgage | Land development | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real Estate - Commercial Mortgage | Land development | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 202 | 40 |
Real Estate - Commercial Mortgage | Land development | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 113,756 | 125,507 |
Real Estate - Commercial Mortgage | Land development | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 45 | 31 |
Real Estate - Commercial Mortgage | Owner-occupied |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,588,174 | 1,539,296 |
Real Estate - Commercial Mortgage | Owner-occupied | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,584,804 | 1,534,016 |
Real Estate - Commercial Mortgage | Owner-occupied | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,370 | 5,280 |
Real Estate - Commercial Mortgage | Owner-occupied | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,311 | 8,557 |
Real Estate - Commercial Mortgage | Owner-occupied | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 319 | 1,495 |
Real Estate - Commercial Mortgage | Owner-occupied | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 219 |
Real Estate - Commercial Mortgage | Owner-occupied | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,640 | 2,244 |
Real Estate - Commercial Mortgage | Owner-occupied | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,583,493 | 1,525,240 |
Real Estate - Commercial Mortgage | Owner-occupied | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,411 | 1,541 |
Real Estate - Commercial Mortgage | Non-owner occupied |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,610,578 | 3,452,910 |
Real Estate - Commercial Mortgage | Non-owner occupied | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,600,658 | 3,447,568 |
Real Estate - Commercial Mortgage | Non-owner occupied | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 9,920 | 5,342 |
Real Estate - Commercial Mortgage | Non-owner occupied | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 36 | 3,521 |
Real Estate - Commercial Mortgage | Non-owner occupied | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 5,304 |
Real Estate - Commercial Mortgage | Non-owner occupied | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real Estate - Commercial Mortgage | Non-owner occupied | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 0 | 0 |
Real Estate - Commercial Mortgage | Non-owner occupied | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,600,622 | 3,444,047 |
Real Estate - Commercial Mortgage | Non-owner occupied | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 9,920 | 38 |
Installment loans to individuals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 108,002 | 124,745 |
Loans held for investment, net of unearned income | 108,002 |  | $ 128,946
Installment loans to individuals | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 107,771 | 124,487 |
Installment loans to individuals | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 231 | 258 |
Installment loans to individuals | 30-89 Days Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 1,047 | 2,001 |
Installment loans to individuals | 30-89 Days Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 32 | 38 |
Installment loans to individuals | 90 Days or More Past Due | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 26 | 5 |
Installment loans to individuals | 90 Days or More Past Due | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 11 | 100 |
Installment loans to individuals | Current Loans | Accruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 106,698 | 122,481 |
Installment loans to individuals | Current Loans | Nonaccruing Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 188 | $ 120 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481598/310-20-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481598/310-20-45-1 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -SubTopic 20 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481569/310-20-50-3 + Details
Name: | us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=rnst_AccruingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=rnst_NonaccruingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=rnst_FinancingReceivables30to89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_LeaseFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_RealEstateOneToFourFamilyMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_PrimaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_RentalInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_LandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_CommercialResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_NonownerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_InstallmentLoansToIndividualsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |