Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2017

Subordinated Borrowings [Abstract]

Schedule of Subordinated Debentures

The amounts and terms of each issuance of the Company's subordinated debentures at December 31, 2017 and 2016 were as follows:

	Amount						Maturity Date	Call Date	Interest Rate
(in thousands)	2017			2016
EFSC Clayco Statutory Trust I	$	3,196		$	3,196		December 17, 2033	December 17, 2008	Floats @ 3MO LIBOR + 2.85%
EFSC Capital Trust II	5,155			5,155			June 17, 2034	June 17, 2009	Floats @ 3MO LIBOR + 2.65%
EFSC Statutory Trust III	11,341			11,341			December 15, 2034	December 15, 2009	Floats @ 3MO LIBOR + 1.97%
EFSC Clayco Statutory Trust II	4,124			4,124			September 15, 2035	September 15, 2010	Floats @ 3MO LIBOR + 1.83%
EFSC Statutory Trust IV	10,310			10,310			December 15, 2035	December 15, 2010	Floats @ 3MO LIBOR + 1.44%
EFSC Statutory Trust V	4,124			4,124			September 15, 2036	September 15, 2011	Floats @ 3MO LIBOR + 1.60%
EFSC Capital Trust VI	14,433			14,433			March 30, 2037	March 30, 2012	Floats @ 3MO LIBOR + 1.60%
EFSC Capital Trust VII	4,124			4,124			December 15, 2037	December 15, 2012	Floats @ 3MO LIBOR + 2.25%
JEFFCO Stat Trust I (1)	8,153			—			February 22, 2031	February 22, 2011	Fixed @ 10.2%
JEFFCO Stat Trust II (1)	4,281			—			March 17, 2034	March 17, 2009	Floats @ 3MO LIBOR + 2.75%
Total trust preferred securities	69,241			56,807
Fixed-to-floating rate subordinated notes	50,000			50,000			November 1, 2026	November 1, 2021	Fixed @ 4.75% until November 1, 2021, then floats @ 3MO LIBOR + 3.387%
Debt issuance costs	(1,136		)	(1,267		)
Total fixed-to-floating rate subordinated notes	48,864			48,733
Total subordinated debentures and notes	$	118,105		$	105,540
(1) Purchase accounting adjustments are reflected in the balance and also impact the effective interest rate.