Loans and Asset Quality Information (Summary of the contractually required payments) (Details) - USD ($) $ in Thousands	Oct. 01, 2017	Mar. 03, 2017
Purchased credit impaired [Member] \| Carolina Bank [Member]
Contractually required payments		$ 27,108
Nonaccretable difference		(4,237)
Cash flows expected to be collected at acquisition		22,871
Accretable yield		(3,617)
Fair value of PCI loans at acquisition date		19,254
Purchased credit impaired [Member] \| Asheville Savings Bank [Member]
Contractually required payments	$ 13,424
Nonaccretable difference	(1,734)
Cash flows expected to be collected at acquisition	11,690
Accretable yield	(1,804)
Fair value of PCI loans at acquisition date	9,886
Purchased Non impaired [Member] \| Carolina Bank [Member]
Contractually required payments		569,980
Fair value of PCI loans at acquisition date		478,515
Contractual cash flows not expected to be collected		$ 3,650
Purchased Non impaired [Member] \| Asheville Savings Bank [Member]
Contractually required payments	727,706
Fair value of PCI loans at acquisition date	595,167
Contractual cash flows not expected to be collected	$ 7,000

Contractual cash flows not expected to be collected.

No definition available.

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- Definition

Fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538

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- Definition

Amount of cash flows expected to be collected at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

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- Definition

Amount of contractually required payments receivable at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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- Definition

The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

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- Definition

The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

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