XML 29 R79.htm IDEA: XBRL DOCUMENT

Repurchase Agreements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Disclosure of Repurchase Agreements [Abstract]
Outstanding balance at December 31	$ 26,743	$ 26,033
Average interest rate at December 31	0.19%cofs_WeightedAverageRate	0.22%cofs_WeightedAverageRate
Average balance during the year	22,594cofs_AverageBalanceSecuritiesSold	19,456cofs_AverageBalanceSecuritiesSold
Average interest rate during the year	0.20%cofs_AverageInterestRatePaidDuringYear	0.23%cofs_AverageInterestRatePaidDuringYear
Maximum month end balance during the year	$ 28,719cofs_MaximumMonthEndBalance	$ 26,995cofs_MaximumMonthEndBalance

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References+ Details