XML 99 R37.htm IDEA: XBRL DOCUMENT v3.20.1
Recently Issued and Adopted Accounting Guidance Financial Instruments - Credit Losses (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Jan. 01, 2020
Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Increase in the allowance for credit losses as a cumulative-effect adjustment to retained earnings upon adoption of ASU 2016-13 $ (7,530)   $ 0
Cumulative Effect Period Of Adoption Adjustment [Member] | Accounting Standards Update 2016-13 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Increase in the allowance for credit losses as a cumulative-effect adjustment to retained earnings upon adoption of ASU 2016-13   $ 7,500