EQUITY (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended	180 Months Ended	183 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Mar. 31, 2026	Jan. 31, 2026	Jan. 31, 2025	Dec. 31, 2011
EQUITY
Shares of common stock repurchased (in shares)				17,522,506	17,843,902
Number of shares authorized for repurchase (in shares)								185,000,000
Central Pacific Bank
EQUITY
Statutory retained earnings	$ 237.2		$ 234.7	$ 234.7	$ 237.2
2024 Repurchase Plan
EQUITY
Stock repurchase program, remaining authorized repurchase amount							$ 19.1
2025 Repurchase Plan
EQUITY
Amount authorized under the Repurchase Plan							$ 30.0
Stock repurchase program, remaining authorized repurchase amount						$ 6.7
2026 Repurchase Plan
EQUITY
Amount authorized under the Repurchase Plan						$ 55.0
Stock repurchase program, remaining authorized repurchase amount	$ 44.5				$ 44.5
Common Stock
EQUITY
Shares of common stock repurchased (in shares)	321,396	77,316
Common Stock | 2025 Repurchase Plan
EQUITY
Shares of common stock repurchased (in shares)			788,261
Up to value of shares repurchased			$ 23.3
Common Stock | 2026 Repurchase Plan
EQUITY
Shares of common stock repurchased (in shares)	321,396
Up to value of shares repurchased	$ 10.5