Consolidated 50% Owned Subsidiaries - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) entity	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Noncontrolling Interest [Line Items]
Ownership interest in subsidiaries	50.00%
Number of entities | entity	2
Total disability insurance policies, per policy amount	$ 20,000
Members’ interest subject to mandatory redemption	40,000		$ 40,000
Myers
Noncontrolling Interest [Line Items]
Net accumulated earnings	1,700	$ 1,300
Variable Interest Entity, Primary Beneficiary | Myers
Noncontrolling Interest [Line Items]
Members’ interest subject to mandatory redemption	$ 20,000