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STOCK-BASED COMPENSATION - Schedule of Stock Appreciation Rights Activity (Details) - SSARs - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Shares |  |
Outstanding at beginning of period (in shares) | 0 |
Replacement of CrossFirst SSARs (in shares) | 424,390 |
Exercised (in shares) | (80,033) |
Forfeited (in shares) | 0 |
Expired (in shares) | 0 |
Outstanding at end of period (in shares) | 344,357 |
Exercisable (in shares) | 307,153 |
Weighted- Average Exercise Price |  |
Weighted- Average Exercise Price, Outstanding, beginning balance (in dollars per share) | $ 0 |
Weighted- Average Exercise Price, Replacement of CrossFirst SSARs (in dollars per share) | 15.78 |
Weighted- Average Exercise Price, Exercised (in dollars per shares) | 10.93 |
Weighted- Average Exercise Price, Forfeited (in dollars per shares) | 0 |
Weighted- Average Exercise Price, Expired (in dollars per shares) | 0 |
Weighted- Average Exercise Price, Outstanding, ending balance (in dollars per share) | 16.91 |
Weighted- Average Exercise Price, Exercisable (in dollars per share) | $ 16.46 |
Weighted- Average Remaining Contractual Term |  |
Weighted- Average Remaining Contractual Term | 4 years 10 months 24 days |
Weighted- Average Remaining Contractual Term, Exercisable (in years) | 4 years 11 months 4 days |
Intrinsic value, options outstanding | $ 2,058 | $ 0
Intrinsic value, exercisable at end of year | 1,975 |
Aggregate intrinsic value of SSARs exercised | $ 900 |

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