3. Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012		Sep. 30, 2012
Residential mortgage loans held for sale, fair value	$ 602	$ 226
Impaired loans, fair value	69,365	88,135
OREO	45,303	56,172	[1]	56,033
Commercial Loan [Member]
Impaired loans, fair value	5,456	10,856
OREO	0	0
Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	17,109	25,435
OREO	9,961	11,835
Construction And Development Financial Receivable [Member]
Impaired loans, fair value	24,128	27,352
OREO	31,747	40,671
Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	22,632	24,442
OREO	3,595	3,666
Consumer Portfolio Segment [Member]
Impaired loans, fair value	40	50
OREO	0	0
Fair Value Inputs Level1 [Member]
Residential mortgage loans held for sale, fair value	0	0
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Commercial Loan [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level2 [Member]
Residential mortgage loans held for sale, fair value	602	226
Impaired loans, fair value	46,699	67,547
OREO	45,303	50,691
Fair Value Inputs Level2 [Member] | Commercial Loan [Member]
Impaired loans, fair value	3,731	5,013
OREO	0	0
Fair Value Inputs Level2 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	3,998	16,331
OREO	9,961	11,047
Fair Value Inputs Level2 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	21,629	24,578
OREO	31,747	35,978
Fair Value Inputs Level2 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	17,341	21,625
OREO	3,595	3,666
Fair Value Inputs Level2 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level3 [Member]
Residential mortgage loans held for sale, fair value	0	0
Impaired loans, fair value	22,666	20,588
OREO	0	5,481
Fair Value Inputs Level3 [Member] | Commercial Loan [Member]
Impaired loans, fair value	1,725	5,843
OREO	0	0
Fair Value Inputs Level3 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	13,111	9,104
OREO	0	788
Fair Value Inputs Level3 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	2,499	2,774
OREO	0	4,693
Fair Value Inputs Level3 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	5,291	2,817
OREO	0	0
Fair Value Inputs Level3 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	40	50
OREO	$ 0	$ 0

[1] December 31, 2012 financial information has been extracted from audited consolidated financial statements