Fair Value - Contingent Consideration (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition, Contingent Consideration [Line Items]
Contingent consideration liability at beginning of period	$ 15,250,000
Additions	12,625,000	$ 15,250,000
Payment of contingent consideration	(13,000,000)
Gain	(150,000)
Contingent consideration liability at end of period	14,725,000	15,250,000
Level 3
Business Acquisition, Contingent Consideration [Line Items]
Contingent consideration liability at beginning of period	15,250,000
Additions	12,625,000	15,250,000
Payment of contingent consideration	(13,000,000)
Gain	(150,000)
Contingent consideration liability at end of period	$ 14,725,000	$ 15,250,000