Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000737468-23-000023-index-headers.html | 2023-05-04 10:22:25 | |
| 0000737468-23-000023-index.html | 2023-05-04 10:22:25 | |
| 0000737468-23-000023.txt | 2023-05-04 10:22:25 | |
 0000737468-23-000023-xbrl.zip | 449629 | 2023-05-04 10:22:25 |
| exhibit31110q2023q1.htm | 12537 | 2023-05-04 10:22:25 |
| exhibit31210q2023q1.htm | 12160 | 2023-05-04 10:22:25 |
| exhibit32110q2023q1.htm | 9386 | 2023-05-04 10:22:25 |
| FilingSummary.xml | 51131 | 2023-05-04 10:22:25 |
| Financial_Report.xlsx | 143710 | 2023-05-04 10:22:25 |
| MetaLinks.json | 952396 | 2023-05-04 10:22:25 |
| R1.htm | 51545 | 2023-05-04 10:22:25 |
| R10.htm | 18406 | 2023-05-04 10:22:25 |
| R11.htm | 116018 | 2023-05-04 10:22:25 |
| R12.htm | 333937 | 2023-05-04 10:22:25 |
| R13.htm | 51813 | 2023-05-04 10:22:25 |
| R14.htm | 72491 | 2023-05-04 10:22:25 |
| R15.htm | 116705 | 2023-05-04 10:22:25 |
| R16.htm | 27833 | 2023-05-04 10:22:25 |
| R17.htm | 18837 | 2023-05-04 10:22:25 |
| R18.htm | 67836 | 2023-05-04 10:22:25 |
| R19.htm | 49962 | 2023-05-04 10:22:25 |
| R2.htm | 101424 | 2023-05-04 10:22:25 |
| R20.htm | 38055 | 2023-05-04 10:22:25 |
| R21.htm | 48367 | 2023-05-04 10:22:25 |
| R22.htm | 68908 | 2023-05-04 10:22:25 |
| R23.htm | 21801 | 2023-05-04 10:22:25 |
| R24.htm | 64131 | 2023-05-04 10:22:25 |
| R25.htm | 15299 | 2023-05-04 10:22:25 |
| R26.htm | 107940 | 2023-05-04 10:22:25 |
| R27.htm | 325529 | 2023-05-04 10:22:25 |
| R28.htm | 50324 | 2023-05-04 10:22:25 |
| R29.htm | 66322 | 2023-05-04 10:22:25 |
| R3.htm | 17798 | 2023-05-04 10:22:25 |
| R30.htm | 109410 | 2023-05-04 10:22:25 |
| R31.htm | 30284 | 2023-05-04 10:22:25 |
| R32.htm | 14222 | 2023-05-04 10:22:25 |
| R33.htm | 61882 | 2023-05-04 10:22:25 |
| R34.htm | 44755 | 2023-05-04 10:22:25 |
| R35.htm | 37087 | 2023-05-04 10:22:25 |
| R36.htm | 42960 | 2023-05-04 10:22:25 |
| R37.htm | 64205 | 2023-05-04 10:22:25 |
| R38.htm | 20875 | 2023-05-04 10:22:25 |
| R39.htm | 52649 | 2023-05-04 10:22:25 |
| R4.htm | 117139 | 2023-05-04 10:22:25 |
| R40.htm | 37254 | 2023-05-04 10:22:25 |
| R41.htm | 30189 | 2023-05-04 10:22:25 |
| R42.htm | 29593 | 2023-05-04 10:22:25 |
| R43.htm | 51036 | 2023-05-04 10:22:25 |
| R44.htm | 18791 | 2023-05-04 10:22:25 |
| R45.htm | 27119 | 2023-05-04 10:22:25 |
| R46.htm | 69037 | 2023-05-04 10:22:25 |
| R47.htm | 23186 | 2023-05-04 10:22:25 |
| R48.htm | 15473 | 2023-05-04 10:22:25 |
| R49.htm | 40311 | 2023-05-04 10:22:25 |
| R5.htm | 30758 | 2023-05-04 10:22:25 |
| R50.htm | 161337 | 2023-05-04 10:22:25 |
| R51.htm | 38155 | 2023-05-04 10:22:25 |
| R52.htm | 5932 | 2023-05-04 10:22:25 |
| R53.htm | 87500 | 2023-05-04 10:22:25 |
| R54.htm | 9553 | 2023-05-04 10:22:25 |
| R55.htm | 18576 | 2023-05-04 10:22:25 |
| R56.htm | 10371 | 2023-05-04 10:22:25 |
| R57.htm | 59114 | 2023-05-04 10:22:25 |
| R58.htm | 20296 | 2023-05-04 10:22:25 |
| R59.htm | 19408 | 2023-05-04 10:22:25 |
| R6.htm | 44870 | 2023-05-04 10:22:25 |
| R60.htm | 30556 | 2023-05-04 10:22:25 |
| R61.htm | 3973 | 2023-05-04 10:22:25 |
| R62.htm | 23441 | 2023-05-04 10:22:25 |
| R63.htm | 32345 | 2023-05-04 10:22:25 |
| R64.htm | 13347 | 2023-05-04 10:22:25 |
| R65.htm | 38895 | 2023-05-04 10:22:25 |
| R66.htm | 18598 | 2023-05-04 10:22:25 |
| R67.htm | 70167 | 2023-05-04 10:22:25 |
| R68.htm | 6978 | 2023-05-04 10:22:25 |
| R69.htm | 57476 | 2023-05-04 10:22:25 |
| R7.htm | 4481 | 2023-05-04 10:22:25 |
| R70.htm | 20919 | 2023-05-04 10:22:25 |
| R71.htm | 23417 | 2023-05-04 10:22:25 |
| R72.htm | 17354 | 2023-05-04 10:22:25 |
| R73.htm | 65112 | 2023-05-04 10:22:25 |
| R74.htm | 56704 | 2023-05-04 10:22:25 |
| R75.htm | 29268 | 2023-05-04 10:22:25 |
| R76.htm | 44642 | 2023-05-04 10:22:25 |
| R77.htm | 22456 | 2023-05-04 10:22:25 |
| R78.htm | 27204 | 2023-05-04 10:22:25 |
| R8.htm | 115311 | 2023-05-04 10:22:25 |
| R9.htm | 9500 | 2023-05-04 10:22:25 |
| report.css | 2767 | 2023-05-04 10:22:25 |
| Show.js | 1085 | 2023-05-04 10:22:25 |
| wash-20230331.htm | 3740220 | 2023-05-04 10:22:25 |
| wash-20230331.xsd | 63420 | 2023-05-04 10:22:25 |
| wash-20230331_cal.xml | 79767 | 2023-05-04 10:22:25 |
| wash-20230331_def.xml | 463709 | 2023-05-04 10:22:25 |
| wash-20230331_htm.xml | 3726730 | 2023-05-04 10:22:25 |
| wash-20230331_lab.xml | 833855 | 2023-05-04 10:22:25 |
| wash-20230331_pre.xml | 611631 | 2023-05-04 10:22:25 |