Fair Value Measurements - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands		Mar. 31, 2019	Mar. 31, 2018
Carrying Value
ASSETS
Cash and cash equivalents	[1]	$ 33,079	$ 28,845
Restricted cash and cash equivalents		1,443	2,373
Total		34,522	31,218
LIABILITIES
Contingent consideration related to acquisitions		1,000
Total		1,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value
ASSETS
Cash and cash equivalents	[1]	33,079	28,845
Restricted cash and cash equivalents		1,443	2,373
Total		34,522	31,218
LIABILITIES
Contingent consideration related to acquisitions		0
Total		0
Significant Other Observable Inputs (Level 2) | Fair Value
ASSETS
Cash and cash equivalents	[1]	0	0
Restricted cash and cash equivalents		0	0
Total		0	0
LIABILITIES
Contingent consideration related to acquisitions		0
Total		0
Unobservable Inputs (Level 3) | Fair Value
ASSETS
Cash and cash equivalents	[1]	0	0
Restricted cash and cash equivalents		0	0
Total		0	$ 0
LIABILITIES
Contingent consideration related to acquisitions		1,000
Total		$ 1,000

[1] Cash equivalents consist primarily of money market funds.