Earnings Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 14,742us-gaap_NetIncomeLoss	$ 12,610us-gaap_NetIncomeLoss	$ 8,535us-gaap_NetIncomeLoss
Basic:
Weighted average shares outstanding	22,625	20,748	19,382
Earnings Per Share, Basic	$ 0.65us-gaap_EarningsPerShareBasic	$ 0.61us-gaap_EarningsPerShareBasic	$ 0.44us-gaap_EarningsPerShareBasic
Diluted:
Effect of dilutive securities - options	290	132	23
Weighted Average Number of Shares Outstanding, Diluted, Total	22,915	20,880	19,405
Earnings Per Share, Diluted	$ 0.64us-gaap_EarningsPerShareDiluted	$ 0.60us-gaap_EarningsPerShareDiluted	$ 0.44us-gaap_EarningsPerShareDiluted
Green Bancorp, Inc.
Net income	$ 14,743	$ 12,610	$ 8,535

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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