Fair Value Measurements (Asset Measured At Fair Value On A Nonrecurring Basis) (Details) (Fair Value Measurements Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Noncovered impaired loans at fair value:
Assets fair value, Total	$ 27,339	$ 46,174
Commercial Real Estate [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	11,762	20,764
One-To-Four Family Residential [Member]
Noncovered impaired loans at fair value:
Loans held for sale	763	2,235
Assets fair value, Total		1,045
Real Estate Construction [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total		2,636
Commercial [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	5,722	9,176
Other Consumer [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total		75
Other loans held for sale [Member]
Noncovered impaired loans at fair value:
Loans held for sale	17	56
Government Guaranteed Commercial Real Estate [Member]
Noncovered impaired loans at fair value:
Loans held for sale	705	769
Noncovered Other Real Estate [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	3,097	2,654
Goodwill [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	1,214	1,214
Core Deposits [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	530	2,058
Mortgage Loan Servicing Rights [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	3,529	3,492
Level 2 Inputs [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	23,810	42,682
Level 2 Inputs [Member] | Commercial Real Estate [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	11,762	20,764
Level 2 Inputs [Member] | One-To-Four Family Residential [Member]
Noncovered impaired loans at fair value:
Loans held for sale	763	2,235
Assets fair value, Total		1,045
Level 2 Inputs [Member] | Real Estate Construction [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total		2,636
Level 2 Inputs [Member] | Commercial [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	5,722	9,176
Level 2 Inputs [Member] | Other Consumer [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total		75
Level 2 Inputs [Member] | Other loans held for sale [Member]
Noncovered impaired loans at fair value:
Loans held for sale	17	56
Level 2 Inputs [Member] | Government Guaranteed Commercial Real Estate [Member]
Noncovered impaired loans at fair value:
Loans held for sale	705	769
Level 2 Inputs [Member] | Noncovered Other Real Estate [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	3,097	2,654
Level 2 Inputs [Member] | Goodwill [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	1,214	1,214
Level 2 Inputs [Member] | Core Deposits [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	530	2,058
Level 3 Inputs [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	3,529	3,492
Level 3 Inputs [Member] | Mortgage Loan Servicing Rights [Member]
Noncovered impaired loans at fair value:
Assets fair value, Total	$ 3,529	$ 3,492