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Loans and Allowance for Credit Losses - Financing Receivable, Allowance for Credit Loss (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 01, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Balance at beginning of period |  | $ 60,754 |
Provision for Loan and Lease Losses |  | 0 | $ 300
Balance at end of period |  | 60,797 |
Allowance for credit losses |  |  |
Balance at beginning of period | $ 67,338 | 60,754 | 67,338
Provision (credit) charged to expense |  |  | 300
Losses charged off |  | (437) | (655)
Recoveries |  | 480 | 719
Balance at end of period | 55,743 | 60,797 | 67,702
CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | 11,595 |  |
Loans Receivable | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 8,690 | 9,629 | 8,690
Provision (credit) charged to expense |  | (193) | (673)
Balance at end of period |  | 9,436 | 8,017
Loans Receivable | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 8,690 |  |
Commercial Real Estate | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 354 | 367 | 354
Provision (credit) charged to expense |  | 56 | 103
Balance at end of period |  | 423 | 457
Commercial Real Estate | Allowance for credit losses |  |  |
Balance at beginning of period | 31,176 | 28,604 | 31,176
Provision (credit) charged to expense |  |  | 300
Recoveries |  |  | 24
Balance at end of period | 33,707 | 28,604 | 31,500
Commercial Real Estate | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 354 |  |
Commercial Real Estate | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | (2,531) |  |
Commercial construction | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 910 | 908 | 910
Provision (credit) charged to expense |  | 161 | (400)
Balance at end of period |  | 1,069 | 510
Commercial construction | Allowance for credit losses |  |  |
Balance at beginning of period | 2,356 | 2,797 | 2,356
Recoveries |  |  | 10
Balance at end of period | 3,521 | 2,797 | 2,366
Commercial construction | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 910 |  |
Commercial construction | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | (1,165) |  |
One- to four-family residential construction | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 917 | 687 | 917
Provision (credit) charged to expense |  | 512 | 40
Balance at end of period |  | 1,199 | 957
One- to four-family residential construction | Allowance for credit losses |  |  |
Balance at beginning of period | 9,069 | 9,364 | 9,069
Losses charged off |  | (36) | (6)
Recoveries |  | 54 | 38
Balance at end of period | 4,536 | 9,382 | 9,101
One- to four-family residential construction | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 917 |  |
One- to four-family residential construction | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | 4,533 |  |
Other residential | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 5,227 | 5,703 | 5,227
Provision (credit) charged to expense |  | (1,003) | (412)
Balance at end of period |  | 4,700 | 4,815
Other residential | Allowance for credit losses |  |  |
Balance at beginning of period | 15,207 | 10,502 | 15,207
Recoveries |  |  | 92
Balance at end of period | 9,375 | 10,502 | 15,299
Other residential | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 5,227 |  |
Other residential | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | 5,832 |  |
Commercial business | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 935 | 1,582 | 935
Provision (credit) charged to expense |  | 36 | 21
Balance at end of period |  | 1,618 | 956
Commercial business | Allowance for credit losses |  |  |
Balance at beginning of period | 3,889 | 4,142 | 3,889
Recoveries |  | 20 | 47
Balance at end of period | 2,390 | 4,162 | 3,936
Commercial business | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 935 |  |
Commercial business | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | 1,499 |  |
Consumer | Allowance for unfunded commitment |  |  |
Balance at beginning of period | 347 | 382 | 347
Provision (credit) charged to expense |  | 45 | (25)
Balance at end of period |  | 427 | 322
Consumer | Allowance for credit losses |  |  |
Balance at beginning of period | 5,641 | 5,345 | 5,641
Losses charged off |  | (401) | (649)
Recoveries |  | 406 | 508
Balance at end of period | 2,214 | $ 5,350 | $ 5,500
Consumer | CECL adoption | Allowance for unfunded commitment |  |  |
Provision for Loan and Lease Losses | 347 |  |
Consumer | CECL adoption | Allowance for credit losses |  |  |
Provision for Loan and Lease Losses | $ 3,427 |  |

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