XML 44 R33.htm IDEA: XBRL DOCUMENT v3.19.1
Recently Adopted Accounting Standard - Additional Information (Detail) - USD ($)
Mar. 31, 2019
Jan. 01, 2019
Operating leases right of use assets $ 4,306,000 $ 4,329,000
Operating Lease, Liability $ 4,425,000 $ 4,455,000