EQUITY CAPITAL - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 21, 2017	Mar. 31, 2017	Mar. 31, 2016
Class of Stock [Line Items]
Proceeds from Issuance of Common Stock	$ 55,700	$ 55,660	$ 0
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets		6.50%
Stock Issued During Period, Shares, New Issues	2,702,500
CapGen Capital Group III LP [Member]
Class of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	6,210,000