Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014 Numberofloans	Mar. 31, 2013 Numberofloans	Dec. 31, 2013 Numberofloans
Financing Receivable, Modifications [Line Items]
Number of loans	2		3
Accrual status	$ 1,883		$ 1,997
Non-accrual status	2,188		2,188
Total TDRs	4,071		4,185
Number of TDR loans that subsequently defaulted	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0		1
Accrual status	0		103
Non-accrual status	0		0
Total TDRs	0		103
Construction and Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0		0
Accrual status	0		0
Non-accrual status	0		0
Total TDRs	0		0
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1		1
Accrual status	0		0
Non-accrual status	2,188		2,188
Total TDRs	2,188		2,188
Owner occupied Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1		1
Accrual status	1,883		1,894
Non-accrual status	0		0
Total TDRs	1,883		1,894
Consumer and Other [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0		0
Accrual status	0		0
Non-accrual status	0		0
Total TDRs	0		0
Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0		0
Accrual status	0		0
Non-accrual status	0		0
Total TDRs	$ 0		$ 0