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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES (Allowance for Loan Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | $ 148,009 |  | $ 156,352 | $ 167,279 | $ 100,559
(Recapture)/provision for credit losses | (8,850) |  | 13,641 | (24,985) | 64,878
Recoveries | 1,416 |  | 445 | 3,521 | 3,453
Charge-offs | (660) |  | (2,473) | (5,900) | (8,737)
Allowance for loan losses, Ending balance | 139,915 | $ 148,009 | 167,965 | 139,915 | 167,965
Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | 7,812 |  |  |
Commercial Real Estate |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 60,349 |  | 53,166 | 57,791 | 30,591
(Recapture)/provision for credit losses | (4,057) |  | 6,895 | 2,096 | 32,213
Recoveries | 923 |  | 23 | 1,094 | 244
Charge-offs | 0 |  | (379) | (3,766) | (479)
Allowance for loan losses, Ending balance | 57,215 | 60,349 | 59,705 | 57,215 | 59,705
Commercial Real Estate | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | (2,864) |  |  |
Multifamily Real Estate |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 5,807 |  | 3,504 | 3,893 | 4,754
(Recapture)/provision for credit losses | 850 |  | (248) | 2,764 | 772
Recoveries | 0 |  | 0 | 0 | 0
Charge-offs | 0 |  | 0 | 0 | (66)
Allowance for loan losses, Ending balance | 6,657 | 5,807 | 3,256 | 6,657 | 3,256
Multifamily Real Estate | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | (2,204) |  |  |
Construction and Land |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 30,899 |  | 36,916 | 41,295 | 22,994
(Recapture)/provision for credit losses | (1,557) |  | 2,561 | (12,053) | 13,963
Recoveries | 0 |  | 0 | 100 | 105
Charge-offs | 0 |  | 0 | 0 | (100)
Allowance for loan losses, Ending balance | 29,342 | 30,899 | 39,477 | 29,342 | 39,477
Construction and Land | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | 2,515 |  |  |
Commercial Business |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 30,830 |  | 33,870 | 35,007 | 23,370
(Recapture)/provision for credit losses | (3,825) |  | 2,550 | (8,390) | 14,402
Recoveries | 230 |  | 246 | 1,530 | 821
Charge-offs | (362) |  | (1,297) | (1,274) | (6,234)
Allowance for loan losses, Ending balance | 26,873 | 30,830 | 35,369 | 26,873 | 35,369
Commercial Business | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | 3,010 |  |  |
Agricultural Business |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 3,256 |  | 4,517 | 4,914 | 4,120
(Recapture)/provision for credit losses | 83 |  | 1,026 | (1,581) | 64
Recoveries | 17 |  | 0 | 25 | 1,772
Charge-offs | (179) |  | (492) | (181) | (554)
Allowance for loan losses, Ending balance | 3,177 | 3,256 | 5,051 | 3,177 | 5,051
Agricultural Business | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | (351) |  |  |
One- to Four-Family Residential |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 9,800 |  | 12,746 | 9,913 | 4,136
(Recapture)/provision for credit losses | (359) |  | 100 | (605) | 1,470
Recoveries | 19 |  | 94 | 152 | 273
Charge-offs | 0 |  | (72) | 0 | (136)
Allowance for loan losses, Ending balance | 9,460 | 9,800 | 12,868 | 9,460 | 12,868
One- to Four-Family Residential | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | 7,125 |  |  |
Consumer |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 7,068 |  | 11,633 | 14,466 | 8,202
(Recapture)/provision for credit losses | 15 |  | 757 | (7,216) | 1,994
Recoveries | 227 |  | 82 | 620 | 238
Charge-offs | (119) |  | (233) | (679) | (1,168)
Allowance for loan losses, Ending balance | 7,191 | 7,068 | 12,239 | 7,191 | 12,239
Consumer | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | 2,973 |  |  |
Unallocated |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning balance | 0 |  | 0 | 0 | 2,392
(Recapture)/provision for credit losses | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Charge-offs | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending balance | $ 0 | 0 | $ 0 | $ 0 | $ 0
Unallocated | Impact of Adopting ASC 326 |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |
(Recapture)/provision for credit losses |  | $ (2,392) |  |  |

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