ALLOWANCE FOR LOAN LOSSES: ALLOWANCE FOR LOAN LOSSES: (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	$ 21,285	$ 17,337
Added	2,672	7,043
Charged Off	(82)	(924)
Payments	(6,574)	(2,171)
December 31,	17,301	21,285
Commercial
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	16,474	12,614
Added	1,561	5,099
Charged Off	0	(879)
Payments	(5,708)	(360)
December 31,	12,327	16,474
Residential
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	4,107	4,723
Added	841	1,080
Charged Off	(32)	(31)
Payments	(586)	(1,665)
December 31,	4,330	4,107
Consumer
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	704	0
Added	270	864
Charged Off	(50)	(14)
Payments	(280)	(146)
December 31,	$ 644	$ 704