XML 99 R81.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Common Stock and Earnings per Share - Additional Information (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 Classofstock $ / shares shares | Feb. 10, 2022 shares | Nov. 04, 2021 shares | May 09, 2019 shares
Equity, Class of Treasury Stock |  |  |  |
Number of classes of common stock | Classofstock | 2 |  |  |
Number of shares authorized to be repurchased (shares) |  | 5,000,000 |  |
Average cost (USD per share) | $ / shares | $ 8.68 |  |  |
Class A Non-Voting |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Approval rate to waive equal consideration rights | 75.00% |  |  |
Shares repurchased (shares) | 530,598 |  |  |
Average cost (USD per share) | $ / shares | $ 9.63 |  |  |
Class A Non-Voting | Repurchase Authorization 2021 |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Shares repurchased (shares) | 0 |  |  |
Average cost (USD per share) | $ / shares | $ 8.23 |  |  |
Common Stock | Repurchase Authorization 2019 |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Number of shares authorized to be repurchased (shares) |  |  |  | 2,000,000
Number of shares remaining to be repurchased (shares) | 0 |  |  |
Common Stock | Repurchase Authorization 2021 |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Number of shares authorized to be repurchased (shares) |  |  | 2,000,000 |
Number of shares remaining to be repurchased (shares) | 413,317 |  |  |
Class B Voting |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Shares repurchased (shares) | 111,499 |  |  |
Class B Voting | Repurchase Authorization 2021 |  |  |  |
Equity, Class of Treasury Stock |  |  |  |
Shares repurchased (shares) | 1,586,683 |  |  |

X
- Definition Approval Rate to Waive Equal Consideration Rights, Minimum + References No definition available. + Details
Name: | crda_ApprovalRateToWaiveEqualConsiderationRightsMinimum
Namespace Prefix: | crda_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Classes of Common Stock + References No definition available. + Details
Name: | crda_NumberOfClassesOfCommonStock
Namespace Prefix: | crda_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock repurchased average cost per share. + References No definition available. + Details
Name: | crda_StockRepurchasedAverageCostPerShare
Namespace Prefix: | crda_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EquityClassOfTreasuryStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=crda_RepurchaseAuthorization2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=crda_RepurchaseAuthorization2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |