Acquisitions PPA Tables (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 04, 2019	Jan. 29, 2019	May 31, 2018
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		$ 802
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		209
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other		37
Business Combination, Notes receivable acquired		539
Goodwill of acquired entities		7,788
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		17,350
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		(145)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		(3,860)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		(175)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		21,949
Business Combination, Consideration Transferred, Debt		3,948
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value		830
Business Combination, Consideration Transferred		$ 21,949
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		211
Deferred acquisition costs and deposits	$ 0	$ 300
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value consideration		1,999
HSCP LLC Membership Units [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		15,072
Common Stock [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		100
D&B [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents					$ 106
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory					39
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other					1
Business Combination, Notes receivable acquired					0
Goodwill of acquired entities					3,596
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets					14,850
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets					0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable					(121)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities					(3,399)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other					0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net					15,072
Business Combination, Consideration Transferred, Debt		0
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value		0
Business Combination, Consideration Transferred		$ 15,072
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		0
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value consideration		$ 0
D&B [Member] | HSCP LLC Membership Units [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		15,072
D&B [Member] | Common Stock [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		0
WPMC [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents					696
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory					170
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other					36
Business Combination, Notes receivable acquired					539
Goodwill of acquired entities					4,192
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets					2,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		25			25
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable					(24)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities					(461)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other					(175)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net					$ 6,877
Business Combination, Consideration Transferred, Debt		3,948
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value		830
Business Combination, Consideration Transferred		$ 6,877
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		211
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain		$ 999
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value consideration		1,999
WPMC [Member] | HSCP LLC Membership Units [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		0
WPMC [Member] | Common Stock [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 100
Thames Valley [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired				100.00%
NCC [Member]
Business Acquisition [Line Items]
Business Acquisition, Share Price			$ 18.70