Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011 Scenario, Actual [Member]	Dec. 31, 2010 Scenario, Actual [Member]
Net Income	$ 15,165	$ 13,509	$ 15,194
Other comprehensive Income (Loss), net of tax:
Unrealized holding gains (losses) arising during the period	2,466	1,568	1,810
Related tax (expense) benefit	(862)	(550)	(634)
Less: reclassification of losses(gains) included in net income	3	(4,193)	(650)
Related tax (expense) benefit	(1)	1,468	228
Unrealized gains (losses) on available-for-sale securities, net of tax	1,606	(1,707)	754
Interest Rate Swap
Unrealized loss on interest rate swap	(611)	(3,601)	0
Related tax benefit	214	1,260	0
Add: reclassification of losses included in net income	(126)	0	0
Related tax expense	44	0	0
Unrealized loss on interest rate swap, net of tax	(479)	(2,341)	0
Other comprehensive (loss) income before non-controlling interests, net of tax	1,127	(4,048)	754
Less: comprehensive income (loss) attributable to non-controlling interests	4	(1)	68
Other comprehensive income (loss)	1,123	(4,047)	686
Comprehensive income	$ 16,288	$ 9,462	$ 15,880