INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income:	$ 2,175	$ 3,479	$ 3,880	$ 8,336
Available-for-sale securities:
Changes in unrealized gains (losses)	(674)	(292)	(689)	841
Reclassification adjustments for gains included in net income	(96)	(82)	(239)	(127)
Net change	(770)	(374)	(928)	714
Cash flow hedges:
Changes in unrealized gains	112	(272)	218	(56)
Reclassification adjustments for gains (losses) included in net income	(188)	83	(288)	140
Net change	(76)	(189)	(70)	84
Other comprehensive income (loss) before tax	(846)	(563)	(998)	798
Income tax benefit (expense) related to components of other comprehensive income (loss)	232	136	271	(221)
Other comprehensive income (loss), net of taxes	(614)	(427)	(727)	577
Comprehensive income	$ 1,561	$ 3,052	$ 3,153	$ 8,913

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 24

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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