Condensed Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Condensed Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net income	$ 3,138		$ 5,807
Available for sale securities
Unrealized gain arising during period	2,250		974
Change in unrealized losses for which a portion of other than temporary impairment has been recognized in earnings	119		33
Reclassification adjustment for other than temporary impairment included in earnings	0		0
Reclassification adjustments for losses included in earnings	0		7
Unrealized gains recognized in other comprehensive income on available for sale securities	2,369		1,014
Income tax expense	830		0
Unrealized gains recognized in other comprehensive income on available for sale securities, net of tax	1,539		1,014
Derivative instruments
Unrealized loss arising during period	0		(3)
Reclassification adjustment for expense recognized in earnings	0		94
Reclassification adjustment for accretion on settled derivatives	95		0
Unrealized gains recognized in other comprehensive income on derivative instruments	95		91
Income tax expense	33		0
Unrealized gains recognized in other comprehensive income on derivative instruments, net of tax	62		91
Other comprehensive income	1,601	[1]	1,105
Comprehensive income	$ 4,739		$ 6,912

[1] 2014 amounts are presented net of tax as we removed substantially all of the valuation allowance on our deferred tax assets during the second quarter of 2013 (see Note #10).