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Acquisition of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Apr. 20, 2018
Business Acquisition [Line Items]
Fair Value	$ 11,214
PCI | GCFC/ABC Bank
Business Acquisition [Line Items]
Fair Value	11,214	$ 11,360
Contractually required principal and interest payments	18,989	19,447
Best estimate of contractual cash flows not expected to be collected	6,402	6,537
Best estimate of contractual cash flows expected to be collected	12,587	12,910
Non-PCI | GCFC/ABC Bank
Business Acquisition [Line Items]
Fair Value	208,929	216,306
Contractually required principal and interest payments	211,341	219,488
Best estimate of contractual cash flows not expected to be collected	2,119	2,511
Best estimate of contractual cash flows expected to be collected	$ 209,222	$ 216,977

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- Definition

Amount of cash flows not expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-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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Amount of cash flows expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-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 contractually required payments receivable at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
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-URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538

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