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Loans - Nonaccrual loans (Details) - USD ($) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020
Loans |  |  |  |
Total loans on nonaccrual status | $ 100,100,000 | $ 95,188,000 |  |
Greater than 90 Days Accruing | 957,000 |  |  |
Non-accrual with no allowance | 14,914,000 |  |  |
Loans | $ 24,085,005,000 | 24,206,825,000 |  |
Number of months generally required to return to accruing status | 6 months |  |  |
Increase in overall collateral dependent loans | $ 7,400,000 |  |  |
Loans individually evaluated for impairment |  |  | $ 1,000,000.0 | $ 500,000
Other income producing property |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 5,049,000 | 6,130,000 |  |
Greater than 90 Days Accruing | 184,000 |  |  |
Non-accrual with no allowance | 322,000 |  |  |
Commercial loans | Construction and land development |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 1,698,000 | 2,421,000 |  |
Greater than 90 Days Accruing | 31,000 |  |  |
Non-accrual with no allowance | 23,000 |  |  |
Commercial loans | Commercial non-owner occupied |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 6,328,000 | 4,596,000 |  |
Non-accrual with no allowance | 1,112,000 |  |  |
Commercial loans | Commercial owner occupied real estate loan |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 33,802,000 | 26,059,000 |  |
Greater than 90 Days Accruing | 32,000 |  |  |
Non-accrual with no allowance | 12,870,000 |  |  |
Commercial loans | Commercial and industrial |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 8,962,000 | 9,218,000 |  |
Greater than 90 Days Accruing | 636,000 |  |  |
Non-accrual with no allowance | 222,000 |  |  |
Consumer | Consumer Owner Occupied Loans |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 28,166,000 | 30,746,000 |  |
Greater than 90 Days Accruing | 74,000 |  |  |
Non-accrual with no allowance | 314,000 |  |  |
Consumer | Home equity loans |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | 10,487,000 | 9,944,000 |  |
Non-accrual with no allowance | 51,000 |  |  |
Consumer | Consumer |  |  |  |
Loans |  |  |  |
Total loans on nonaccrual status | $ 5,608,000 | $ 6,074,000 |  |

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