Loans and Allowance for Loan Losses (Allowance for Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	$ 26,785	[1]	$ 29,314
Provision for (recovery of) loan losses	(684)		110
Charge-offs	(1,977)		(3,010)
Recoveries	1,915		3,227
Net charge-offs	(62)		217
Balance, end of period	26,039		29,641
Annualized net charge-offs during the period to average loans	0.02%		(0.08%)
Annualized net charge-offs during the period to ALL	0.97%		(2.93%)
Allowance for loan losses to loans held for investment	2.13%	[2]	2.66%	[2]	2.21%
Continuing operations [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for (recovery of) loan losses	$ (684)		$ 110

[1] Derived from audited consolidated financial statements

[2] For Three Months Ended(dollars in thousands) March 31, 2014 March 31, 2013Balance, beginning of period $26,785 $29,314Provision for (recovery of) losses charged to continuing operations (684) 110Net recoveries (charge-offs): Charge-offs (1,977) (3,010)Recoveries 1,915 3,227Net recoveries (charge-offs) (62) 217Balance, end of period $26,039 $29,641Annualized net charge-offs (recoveries) during the period to average loans 0.02% (0.08)%Annualized net charge-offs (recoveries) during the period to ALL 0.97% (2.93)%Allowance for loan losses to loans held for investment 2.13% 2.66 %