Loans Receivable and Allowance for Loan Losses (Activity In And Ending Balances Of The Allowance For Loan Losses By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 Commercial real estate [Member]	Jun. 30, 2011 Commercial real estate [Member]	Jun. 30, 2012 Commercial real estate [Member]	Jun. 30, 2011 Commercial real estate [Member]	Dec. 31, 2011 Commercial real estate [Member]	Jun. 30, 2012 Construction and land development [Member]	Jun. 30, 2011 Construction and land development [Member]	Jun. 30, 2012 Construction and land development [Member]	Jun. 30, 2011 Construction and land development [Member]	Dec. 31, 2011 Construction and land development [Member]	Jun. 30, 2012 Commercial and industrial [Member]	Jun. 30, 2011 Commercial and industrial [Member]	Jun. 30, 2012 Commercial and industrial [Member]	Jun. 30, 2011 Commercial and industrial [Member]	Dec. 31, 2011 Commercial and industrial [Member]	Jun. 30, 2012 Owner occupied real estate [Member]	Jun. 30, 2011 Owner occupied real estate [Member]	Jun. 30, 2012 Owner occupied real estate [Member]	Jun. 30, 2011 Owner occupied real estate [Member]	Dec. 31, 2011 Owner occupied real estate [Member]	Jun. 30, 2012 Consumer and other [Member]	Jun. 30, 2011 Consumer and other [Member]	Jun. 30, 2012 Consumer and other [Member]	Jun. 30, 2011 Consumer and other [Member]	Dec. 31, 2011 Consumer and other [Member]	Jun. 30, 2012 Residential mortgage [Member]	Jun. 30, 2011 Residential mortgage [Member]	Jun. 30, 2012 Residential mortgage [Member]	Jun. 30, 2011 Residential mortgage [Member]	Dec. 31, 2011 Residential mortgage [Member]	Jun. 30, 2011 Unallocated [Member]	Jun. 30, 2012 Unallocated [Member]	Jun. 30, 2011 Unallocated [Member]	Mar. 31, 2012 Unallocated [Member]	Dec. 31, 2011 Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	$ 10,756	$ 14,450	$ 12,050	$ 11,444		$ 4,371	$ 7,407	$ 7,372	$ 7,243		$ 2,169	$ 1,595	$ 558	$ 837		$ 2,219	$ 2,769	$ 1,928	$ 1,443		$ 1,455	$ 1,645	$ 1,963	$ 1,575		$ 106	$ 121	$ 113	$ 130		$ 20	$ 32	$ 23	$ 41		$ 881	$ 93	$ 175	$ 416
Charge-offs	(2,003)	(882)	(2,548)	(1,435)		(274)	(512)	(766)	(1,034)		(921)	(370)	921	(370)		(708)		(760)								(100)		(101)	(31)
Recoveries	132	40	133	49					9		105	2	105	2												27	38	28	38
Provisions (credits)	500	1,500	(250)	5,050		(136)	1,751	(2,645)	2,428		63	592	1,674	1,350		305	(40)	648	1,286		171	(49)	(337)	21		101	(35)	94	(13)		(4)	1	(7)	(8)		(720)	323	(14)
Ending balance:	9,385	15,108	9,385	15,108		3,961	8,646	3,961	8,646		1,416	1,819	1,416	1,819		1,816	2,729	1,816	2,729		1,626	1,596	1,626	1,596		134	124	134	124		16	33	16	33		161	416	161	416
Allowance for loan losses ending balance: individually evaluated for impairment	2,690		2,690		3,104	1,126		1,126		2,066	40		40		98	919		919			581		581		311	24		24
Allowance for loan losses ending balance: collectively evaluated for impairment	6,695		6,695		8,946	2,835		2,835		5,306	1,376		1,376		460	897		897			1,045		1,045		1,652	110		110		113	16		16		23		416			93
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	9,385		9,385		12,050	3,961		3,961		7,372	1,416		1,416		558	1,816		1,816			1,626		1,626		1,963	134		134		113	16		16		23		416			93
Loans receivable: Ending balance	605,182		605,182		589,716	333,961		333,961		344,377	36,306		36,306		35,061	102,382		102,382		87,668	112,338		112,338		102,777	17,707		17,707		16,683	2,488		2,488		3,150
Loans receivable ending balance: individually evaluated for impairment	40,674		40,674		38,199	22,254		22,254		20,076	5,715		5,715		6,983	8,235		8,235			3,605		3,605		1,862	865		865		958
Loans receivable ending balance: collectively evaluated for impairment	564,508		564,508		551,517	311,707		311,707		324,301	30,591		30,591		28,078	94,147		94,147			108,733		108,733		100,915	16,842		16,842		15,725	2,488		2,488		3,150
Total loans receivable	$ 605,182		$ 605,182		$ 589,716	$ 333,961		$ 333,961		$ 344,377	$ 36,306		$ 36,306		$ 35,061	$ 102,382		$ 102,382		$ 87,668	$ 112,338		$ 112,338		$ 102,777	$ 17,707		$ 17,707		$ 16,683	$ 2,488		$ 2,488		$ 3,150