Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Nature Of Operations And Summary Of Significant Accounting Policies (Policy)
Notes Tables
Notes Details

Related Party Transactions - (Narrative) (Details)

v3.8.0.1

Related Party Transactions - (Narrative) (Details) - USD ($) $ in Thousands			3 Months Ended	9 Months Ended
	Aug. 21, 2017	May 28, 2010	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Jun. 24, 2013	May 29, 2012
Related Party Transactions [Line Items]
Subordinated Debt							$ 22,610
5% Unsecured Subordinated Notes							22,610
Subordinated debt interest rate		5.00%
Debt Instrument, Unamortized Discount						$ 814	$ 814
Transaction costs			$ 1,869	$ 1,869	$ 269
Subordinated Debt [Member]
Related Party Transactions [Line Items]
Subordinated debt effective interest rate		14.00%
Kanders & Company [Member]
Related Party Transactions [Line Items]
Transaction costs	$ 1,000
Kanders GMP Holdings, LLC [Member]
Related Party Transactions [Line Items]
Subordinated Debt		$ 14,517							$ 365
Interest paid on transferred subordinated note			0	89
Interest paid on Gregory employees subordinated notes			0	2
5% Unsecured Subordinated Notes		14,517							365
Discounted subordinated notes		8,640
Schiller Gregory Investment Company, LLC [Member]
Related Party Transactions [Line Items]
Subordinated Debt		7,539							189
Interest paid on Gregory employees subordinated notes			0	1
5% Unsecured Subordinated Notes		7,539							$ 189
Discounted subordinated notes		4,487
Former Employees [Member]
Related Party Transactions [Line Items]
Subordinated Debt		554
5% Unsecured Subordinated Notes		554
Discounted subordinated notes		$ 316
Robert R. Schiller 2013 Cornerstone Trust and the Deborah Schiller 2005 Revocable Trust [Member]
Related Party Transactions [Line Items]
Interest paid on transferred subordinated note			$ 0	$ 46
Robert R. Schiller 2013 Cornerstone Trust [Member]
Related Party Transactions [Line Items]
Subordinated Debt								$ 3,769
5% Unsecured Subordinated Notes								$ 3,769

- Definition

Business Acquisition Transaction Costs.

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No definition available.

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- Definition

Interest paid on Gregory employees subordinated notes

+ References

No definition available.

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- Definition

Related Party Interest Paid on Transferred Subordianted Note

+ References

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- Definition

Subordinated Debt Net Of Discount

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Stated interest rate of the subordinated debt.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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