Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2018	Aug. 15, 2018
Commitments And Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 5.0
Settlement Liabilities, Current		$ 0.4
Network Medical Management, Inc. [Member]
Commitments And Contingencies [Line Items]
Stock Repurchase Program, Authorized Amount		$ 4.2
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		168,493
Allied Pacific of California [Member]
Commitments And Contingencies [Line Items]
Stock Repurchase Program, Authorized Amount		$ 1.7
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		1,662,571