Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2018

Investments, All Other Investments [Abstract]

Summary of Carrying Values and Fair Values of Financial Instruments

The fair value of the debentures payable to the SBA is estimated based on current market interest rates for similar debt.

	Bank Holding Company Accounting September 30, 2018				Investment Company Accounting December 31, 2017
(Dollars in  thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and federal funds sold(1)	$	143,560	$	143,560	$	12,690	$	12,690
Equity investments		10,752		10,752		—		—
Investment securities		45,757		45,757		—		—
Loans receivable		1,060,061		1,060,061		—		—
Investments		—		—		610,135		610,135
Accrued interest receivable(2)		7,005		7,005		547		547
Financial liabilities
Funds borrowed(3)		1,265,074		1,266,016		327,623		330,084
Accrued interest payable		6,118		6,118		3,831		3,831

(1) Categorized as level 1 within the fair value hierarchy.

(2) Categorized as level 3 within the fair value hierarchy.

(3) As of September 30, 2018 and December 31, 2017, publicly traded retail notes traded at a premium to par of $942 and $2,461.