Summary of Reconciliation of Cash and Cash Equivalent, Restricted Cash and Supplemental Non-Cash Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	$ 82,714	$ 90,055	$ 82,714	$ 90,055	$ 95,607
Restricted cash	6,400	600	6,400	600	1,003
Total cash, cash equivalents and restricted cash	89,114	90,655	89,114	90,655	$ 96,610	$ 116,873
Supplemental non-cash information:
Accretion of redemption preference on redeemable convertible non-controlling interest - Netsmart	$ 10,963	$ 8,153	21,925	8,153
Obligations incurred to purchase capitalized software or enter into capital leases			7,684	0
Issuance of treasury stock to commercial partner			334	0
Netsmart Inc Management
Supplemental non-cash information:
Exchange of Netsmart, Inc. common stock for redeemable convertible preferred stock - Netsmart by Netsmart, Inc. management			$ 0	$ 25,543