Debt Instrument, Discount Percent

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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+ Details

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Balance Type:	na
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Balance Type:	na
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- 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

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Balance Type:	na
Period Type:	duration

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Balance Type:	debit
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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Notes Payable (Narrative) (Details) $ in Thousands		12 Months Ended
Notes Payable (Narrative) (Details) $ in Thousands	Mar. 08, 2017 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 29, 2017 USD ($)
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs		$ 2,069		$ 2,468
Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of debt	$ 320,000
Unsecured Notes Two \| Revolving Credit Facility
Debt Instrument [Line Items]
Loan maximum borrowing capacity			$ 75,000		$ 50,000
Unamortized debt issuance cost		$ 200
Unsecured Notes Two \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee on undrawn portion of facility		0.125%
Unsecured Notes Two \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Debt to total capital ratio		0.149
Commitment fee on undrawn portion of facility		0.225%
Unsecured Notes Two \| Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Debt to total capital ratio			0.30
Unsecured Notes Two \| Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Debt to total capital ratio			0.20
Unsecured Debt \| Unsecured Notes One
Debt Instrument [Line Items]
Interest rate, stated percentage	4.40%
Debt issuance costs	$ 3,400
Discount percent	99.847%
Interest rate, effective percentage	4.45%
Unsecured Debt \| Unsecured Notes One \| Notes payable
Debt Instrument [Line Items]
Unsecured debt	$ 375,000	$ 375,000		375,000
Interest rate, stated percentage		4.40%
Unsecured Debt \| Unsecured Notes Two \| Notes payable
Debt Instrument [Line Items]
Unsecured debt		$ 0		$ 0
Unsecured Debt \| Unsecured Notes Two \| LIBOR \| Minimum \| Notes payable
Debt Instrument [Line Items]
Basis spread on variable rate		1.125%
Unsecured Debt \| Unsecured Notes Two \| LIBOR \| Maximum \| Notes payable
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%