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ACQUISITIONS - Estimated Fair Value of Assets Acquired and Liabilities assumed (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jan. 01, 2022 | Aug. 02, 2021 | Jul. 01, 2021 | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021
Consideration : |  |  |  |  |  |
Cash |  |  |  | $ 2,464 | $ 29,870 |
Contingent consideration |  |  |  | 0 | 2,900 |
Total net consideration |  |  |  | 2,464 | 32,770 |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Cash and cash equivalents |  |  |  | 0 | 541 |
Premises and equipment, net |  |  |  | 0 | 760 |
Other assets |  |  |  | 0 | 579 |
Other liabilities |  |  |  | 0 | (1,072) |
Total identifiable assets, net |  |  |  | 2,464 | 27,145 |
Goodwill |  |  |  | 799,080 | 799,109 | $ 793,456
Other intangibles |  |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Other intangibles |  |  |  | $ 2,464 | 26,337 |
Thomas Gregory Associates [Member] |  |  |  |  |  |
Consideration : |  |  |  |  |  |
Cash |  |  |  |  | 11,620 |
Contingent consideration |  | $ 1,500 |  |  | 1,500 |
Total net consideration | $ 2,500 |  |  |  | 13,120 |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | 0 |
Premises and equipment, net |  |  |  |  | 279 |
Other assets |  |  |  |  | 0 |
Other intangibles | $ 2,500 |  |  |  |  |
Other liabilities |  |  |  |  | (229) |
Total identifiable assets, net |  |  |  |  | 10,950 |
Goodwill |  | $ 2,200 |  |  | 2,170 |
Thomas Gregory Associates [Member] | Other intangibles |  |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Other intangibles |  |  |  |  | 10,900 |
Fringe Benefits Design of Minnesota, Inc ("FBD") [Member] |  |  |  |  |  |
Consideration : |  |  |  |  |  |
Cash |  |  |  |  | 15,350 |
Contingent consideration |  |  | $ 1,400 |  | 1,400 |
Total net consideration |  |  |  |  | 16,750 |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | 541 |
Premises and equipment, net |  |  |  |  | 282 |
Other assets |  |  |  |  | 579 |
Other liabilities |  |  |  |  | (669) |
Total identifiable assets, net |  |  |  |  | 14,733 |
Goodwill |  |  | $ 2,000 |  | 2,017 |
Fringe Benefits Design of Minnesota, Inc ("FBD") [Member] | Other intangibles |  |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Other intangibles |  |  |  |  | 14,000 |
NuVantage Insurance Corporation [Member] |  |  |  |  |  |
Consideration : |  |  |  |  |  |
Cash |  |  |  |  | 2,900 |
Contingent consideration |  |  |  |  | 0 |
Total net consideration |  |  |  |  | 2,900 |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | 0 |
Premises and equipment, net |  |  |  |  | 199 |
Other assets |  |  |  |  | 0 |
Other liabilities |  |  |  |  | (174) |
Total identifiable assets, net |  |  |  |  | 1,462 |
Goodwill |  |  |  |  | 1,438 |
NuVantage Insurance Corporation [Member] | Other intangibles |  |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Other intangibles |  |  |  |  | 1,437 |
One Group Acquisitions |  |  |  |  |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |  |  |  |
Goodwill |  |  |  |  | $ 5,625 |

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