Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term borrowings at December 31, 2019 and 2018 include:

(Dollars in thousands)	2019			2018
Junior subordinated debenture at 3-month LIBOR plus 1.75% maturing June 30, 2036	$	88,145		$	88,145
Junior subordinated debenture at 3-month LIBOR plus 2.25% maturing June 15, 2034	19,588			19,588
Junior subordinated debenture at 3-month LIBOR plus 2.85% maturing April 7, 2034	10,310			10,310
Junior subordinated debenture at 3-month LIBOR plus 2.00% maturing July 7, 2036	—			4,124
Junior subordinated debentures at 3-month LIBOR plus 2.80% maturing March 30, 2034	14,433			—
Junior subordinated debentures at 7.00% maturing December 31, 2026	20,000			20,000
Junior subordinated debentures at 6.50% maturing October 1, 2025	7,500			—
Junior subordinated debentures at 7.13% maturing February 25, 2025	5,000			—
Obligations under capitalized leases extending to December 2050	8,230			13,160
Notes payable to FHLBs of Atlanta and Chicago with rates ranging from 0.75% to 3.17% and maturing through March 2032	317,191			165,205
Unsecured term loan at 1-month LIBOR plus 1.10% maturing September 5, 2022	96,425			—
Unamortized purchase accounting adjustments(1)	(1,569		)	(1,426		)
Other long-term debt	3,385			761
Total long-term obligations	$	588,638		$	319,867

Schedule of Maturities of Long-term Debt

Long-term borrowings maturing in each of the five years subsequent to December 31, 2019 and thereafter include:

	Year ended December 31
2020	$	61,995
2021	13,332
2022	114,138
2023	125,500
2024	6,526
Thereafter	267,147
Total long-term borrowings	$	588,638