3. Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Residential mortgage loans held for sale, fair value		$ 321
Impaired loans, fair value	27,842	56,382
OREO	52,241	53,392	54,625
Commercial Loan [Member]
Impaired loans, fair value	447	1,616
OREO
Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	4,821	17,902
OREO	8,523	9,903
Construction And Development Financial Receivable [Member]
Impaired loans, fair value	13,507	22,083
OREO	31,737	31,610
Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	9,063	14,747
OREO	11,981	11,879
Consumer Portfolio Segment
Impaired loans, fair value	4	34
Fair Value Inputs Level1 [Member]
Residential mortgage loans held for sale, fair value
Impaired loans, fair value
OREO
Fair Value Inputs Level1 [Member] | Commercial Loan [Member]
Impaired loans, fair value
OREO
Fair Value Inputs Level1 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value
OREO
Fair Value Inputs Level1 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value
OREO
Fair Value Inputs Level1 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value
OREO
Fair Value Inputs Level1 [Member] | Consumer Portfolio Segment
Impaired loans, fair value
Fair Value Inputs Level2 [Member]
Residential mortgage loans held for sale, fair value		321
Impaired loans, fair value	27,061	31,728
OREO	50,302	51,743
Fair Value Inputs Level2 [Member] | Commercial Loan [Member]
Impaired loans, fair value	57	920
OREO
Fair Value Inputs Level2 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	4,821	4,879
OREO	8,208	9,903
Fair Value Inputs Level2 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	13,346	17,590
OREO	30,145	29,993
Fair Value Inputs Level2 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	8,837	8,336
OREO	11,949	11,847
Fair Value Inputs Level2 [Member] | Consumer Portfolio Segment
Impaired loans, fair value		3
Fair Value Inputs Level3 [Member]
Residential mortgage loans held for sale, fair value
Impaired loans, fair value	781	24,654
OREO	1,939	1,649
Fair Value Inputs Level3 [Member] | Commercial Loan [Member]
Impaired loans, fair value	390	696
OREO
Fair Value Inputs Level3 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value		13,023
OREO	315
Fair Value Inputs Level3 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	161	4,493
OREO	1,592	1,617
Fair Value Inputs Level3 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	226	6,411
OREO	32	32
Fair Value Inputs Level3 [Member] | Consumer Portfolio Segment
Impaired loans, fair value	$ 4	$ 31