Capital Managed by Third Party

No definition available.

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Period Type:	instant

- Definition

Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners prior to Acquisition

+ References

No definition available.

+ Details

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- Definition

Payments to Acquire Businesses, Gross, Paid to Beneficial Owner

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 3
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+ Details

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- Definition

Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
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Balance Type:	credit
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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 4
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 4A
-Subparagraph (c)
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

+ Details

Name:	us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

+ Details

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

+ Details

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 13
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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Business Combinations - Narrative (Details) - USD ($)				8 Months Ended	12 Months Ended
Business Combinations - Narrative (Details) - USD ($)	Jul. 15, 2016	May 16, 2016	Jan. 01, 2015	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 01, 2017	Oct. 01, 2016	May 17, 2016	May 15, 2016	Mar. 31, 2016
Business Acquisition [Line Items]
Goodwill				$ 25,222,000	$ 25,222,000	$ 25,222,000
Equity Interest in acquiree, percentage										80.00%
Capital												$ 371,500,000
Payments to beneficial owner to acquire business		$ 16,300,000
Goodwill purchase accounting adjustments		20,000
Gain on remeasurement of existing membership interest in businesses acquired			$ 5,000,000		0	5,052,000	$ 0
Gain on bargain purchase on businesses acquired		$ 65,000	$ 100,000		$ 0	65,000	$ 0
Goodwill accumulated impairment								$ 0	$ 0
RiverBanc, RBMI, and RBDHC
Business Acquisition [Line Items]
Equity method investment, cumulative percentage ownership after all transactions		100.00%
Cash consideration paid for acquisition		$ 29,073,000
Contingent Consideration		(3,800,000)
Fair value of previously held membership interests		20,608,000
Total consideration transferred		$ 53,481,000
Donlon Family LLC
Business Acquisition [Line Items]
Equity method investment, cumulative percentage ownership after all transactions		100.00%
RiverBanc
Business Acquisition [Line Items]
Goodwill		$ 25,222,000
Goodwill purchase accounting adjustments	$ 20,000
Measurement period adjustment, intangible assets				$ (400,000)
RiverBanc
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners prior to acquisition											59.40%
RiverBanc \| RiverBanc, RBMI, and RBDHC
Business Acquisition [Line Items]
Equity Interest in acquiree, percentage											20.00%
RBMI
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners prior to acquisition											5.47%
RBMI \| RiverBanc, RBMI, and RBDHC
Business Acquisition [Line Items]
Equity Interest in acquiree, percentage											67.19%
RBDHC
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners prior to acquisition											6.25%
RBDHC \| RiverBanc, RBMI, and RBDHC
Business Acquisition [Line Items]
Equity Interest in acquiree, percentage											62.50%
RBMI, RBDHC
Business Acquisition [Line Items]
Gain on bargain purchase on businesses acquired		$ 100,000
Other Income \| RiverBanc, RBMI, and RBDHC
Business Acquisition [Line Items]
Gain on remeasurement of existing membership interest in businesses acquired						$ 5,000,000