INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Mortgage Servicing Rights) (Details) (USD $)	3 Months Ended				12 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014	Dec. 31, 2013
Servicing Asset at Amortized Value, Balance [Roll Forward]
Additions-acquired through business combinations	$ 2,172,000		$ 0
Servicing Asset at Amortized Cost, Valuation Allowance					0	0
Mortgage Servicing Rights [Member]
Morgage Servicing Rights at Amortized Value [Line Items]
Loans Serviced For Others	2,096,000,000				1,391,000,000
Custodial Accounts	8,000,000				6,700,000
Servicing Asset at Amortized Value, Balance [Roll Forward]
Balance, beginning of the period	9,030,000		8,086,000		8,086,000
Additions-amounts capitalized	1,216,000		575,000
Amortization	(709,000)	[1]	(462,000)	[1]
Balance, end of the period	11,709,000	[2]	8,199,000	[2]
Valuation allowance, end of period	$ 0	[2]

[1] Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income and any unamortized balance is fully written off if the loan repays in full.

[2] There was no valuation allowance as of March 31, 2015 and 2014.