XML 93 R40.htm IDEA: XBRL DOCUMENT
v3.20.1

DEPOSITS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Banking and Thrift [Abstract] |
Summary of Composition of Deposits | The following table summarizes deposits by type at December 31, 2019 and 2018.
| 2019 |  | 2018
Noninterest-bearing | $ | 249,450 |  |  | $ | 204,843 |
NOW and money market | 963,672 |  |  | 856,520 |
Savings | 142,832 |  |  | 113,515 |
Time ($250,000 or less) | 450,490 |  |  | 343,551 |
Time (over $250,000) | 69,078 |  |  | 40,327 |
Total | $ | 1,875,522 |  |  | $ | 1,558,756 |
Scheduled Maturities of Time Deposits | The following table summarizes scheduled future maturities as of December 31, 2019.
2020 | $ | 375,795 |
2021 | 85,047 |
2022 | 31,533 |
2023 | 19,131 |
2024 | 5,244 |
Thereafter | 2,818 |
| $ | 519,568 |

X
- References No definition available. + Details
Name: | us-gaap_BankingAndThriftAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Scheduled maturities of time deposits. + References No definition available. + Details
Name: | wk_ScheduleOfTimeDepositMaturitiesOfTableTableTextBlock
Namespace Prefix: | wk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of composition of deposits table text block + References No definition available. + Details
Name: | wk_SummaryOfCompositionOfDepositsTableTableTextBlock
Namespace Prefix: | wk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration