Line of credit facility commencing date.

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- Definition

Line of credit facility principal prepayment premium percentage.

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No definition available.

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Line of credit facility termination percentage.

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Loan agreement.

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No definition available.

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Number of consecutive equal monthly installments.

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- Definition

Upfront cash payment.

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No definition available.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

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

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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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.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Date the credit facility first became available, in YYYY-MM-DD format.

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The effective interest rate at the end of the reporting period.

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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

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- 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.

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- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Loan Agreements - Additional Information (Detail)			3 Months Ended
Loan Agreements - Additional Information (Detail)	Mar. 09, 2022 USD ($) Installment	Feb. 13, 2019 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Loan Agreement [Line Items]
Proceeds from issuance of long-term debt			$ 0	$ 30,000,000
Loss on extinguishment of debt			0	(1,559,000)
Borrowings under revolving facility			5,300,000	11,459,000
Payment of exit fee			0	2,294,000
Cash and cash equivalents			105,765,000	101,545,000	$ 95,633,000
RPA [Member] \| SWK Funding LLC [Member]
Loan Agreement [Line Items]
Upfront cash payment			16,500,000
First Citizens BancShares, Inc. [Member]
Loan Agreement [Line Items]
Amortization of debt discount (premium)			60,000	$ 18,000
First Citizens BancShares, Inc. [Member] \| Minimum [Member]
Loan Agreement [Line Items]
Cash and cash equivalents			$ 50,000,000
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member]
Loan Agreement [Line Items]
Agreement date	Mar. 09, 2022
Senior secured term loan borrowing facility	$ 30,000,000.0
Proceeds from issuance of long-term debt	$ 30,000,000.0
Debt instrument effective rate	5.50%
Line of credit facility commencing date	Feb. 01, 2024
Number of consecutive equal monthly installment \| Installment	36
Exit fee percentage of the aggregate principal amount	2.00%
Payment of exit fee	$ 600,000
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member] \| Prime Rate Margin [Member]
Loan Agreement [Line Items]
Revolving line bears interest rate	2.25%
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member] \| Loan Prepayment Prior to First Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	3.00%
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member] \| Loan Prepayment After First Anniversary and Prior to Second Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	2.00%
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member] \| Loan Prepayment After Second Anniversary and Prior to Third Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	1.00%
First Citizens BancShares, Inc. [Member] \| Senior Secured Term Loan [Member] \| Loan Prepayment After Third Anniversary and Prior to Maturity Date [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	0.50%
First Citizens BancShares, Inc. [Member] \| Senior Secured Revolving Credit Facility [Member]
Loan Agreement [Line Items]
Senior secured revolving credit facility	$ 15,000,000.0
Borrowings under revolving facility	$ 11,500,000
Unused commitment fee	0.25%
First Citizens BancShares, Inc. [Member] \| Senior Secured Revolving Credit Facility [Member] \| Loan Termination Prior to First Anniversary [Member]
Loan Agreement [Line Items]
Termination percentage	3.00%
First Citizens BancShares, Inc. [Member] \| Senior Secured Revolving Credit Facility [Member] \| Loan Termination After First Anniversary [Member]
Loan Agreement [Line Items]
Termination percentage	1.00%
First Citizens BancShares, Inc. [Member] \| Senior Secured Revolving Credit Facility and Senior Secured Term Loan[Member]
Loan Agreement [Line Items]
Maturity date	Jan. 01, 2027
CRG Servicing LLC [Member] \| Senior Secured Term Loan [Member]
Loan Agreement [Line Items]
Agreement date		Feb. 13, 2019
Senior secured revolving credit facility		$ 60,000,000