Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of carrying amount and estimated fair value of financial instruments

The fair value estimates presented herein are based on pertinent information available to management as of the periods indicated.

	At March 31, 2017
	Carrying Amount		Level 1		Level 2		Level 3		Estimated Fair Value
	(dollars in thousands)
Assets:
Cash and cash equivalents	$	100,513	$	100,513	$	—	$	—	$	100,513
Interest-bearing time deposits with financial institutions	3,944		3,944		—		—		3,944
Investments held-to-maturity	8,272		—		8,147		—		8,147
Securities available-for-sale	435,408		—		435,408		—		435,408
Federal Reserve Bank and FHLB stock, at cost	37,811		N/A		N/A		N/A		N/A
Loans held for sale, net	11,090		—		11,969		—		11,969
Loans held for investment, net	3,362,622		—		—		3,347,355		3,347,355
Accrued interest receivable	13,366		13,366		—		—		13,366
Liabilities:
Deposit accounts	3,297,073		2,439,584		597,500		—		3,037,084
FHLB advances	260,000		—		259,917		—		259,917
Other borrowings	51,363		—		52,126		—		52,126
Subordinated debentures	69,413		—		70,104		—		70,104
Accrued interest payable	286		286		—		—		286

	At December 31, 2016
	Carrying Amount		Level 1		Level 2		Level 3		Estimated Fair Value
	(dollars in thousands)
Assets:
Cash and cash equivalents	$	156,857	$	156,857	$	—	$	—	$	156,857
Interest-bearing time deposits with financial institutions	3,944		3,944		—		—		3,944
Investments held-to-maturity	8,565		—		8,461				8,461
Securities available-for-sale	380,963		—		380,963		—		380,963
Federal Reserve Bank and FHLB stock, at cost	37,304		N/A		N/A		N/A		N/A
Loans held for sale, net	7,711		—		8,405		—		8,405
Loans held for investment, net	3,220,317		—		—		3,211,154		3,211,154
Accrued interest receivable	13,145		13,145		—		—		13,145
Liabilities:
Deposit accounts	3,145,581		2,330,579		573,467		—		2,904,046
FHLB advances	278,000		—		277,935		—		277,935
Other borrowings	49,971		—		50,905		—		50,905
Subordinated debentures	69,383		—		69,982		—		69,982
Accrued interest payable	263		263		—		—		263

Schedule of Company's financial instruments measured at fair value on a recurring basis

The following fair value hierarchy table presents information about the Company’s financial instruments measured at fair value on a recurring basis at the dates indicated:

	March 31, 2017
	Fair Value Measurement Using
	Level 1		Level 2		Level 3		Securities at Fair Value
	(dollars in thousands)
Investment securities available-for-sale:
Corporate	$	—	$	54,188	$	—	$	54,188
Municipal bonds	—		128,782		—		128,782
Collateralized mortgage obligation: residential	—		30,003		—		30,003
Mortgage-backed securities: residential	—		222,435		—		222,435
Total securities available-for-sale	$	—	$	435,408	$	—	$	435,408

	December 31, 2016
	Fair Value Measurement Using
	Level 1		Level 2		Level 3		Securities at Fair Value
	(dollars in thousands)
Investment securities available-for-sale:
Corporate	$	—	$	37,642	$	—	$	37,642
Municipal bonds	—		118,803		—		118,803
Collateralized mortgage obligation: residential	—		31,388		—		31,388
Mortgage-backed securities: residential	—		193,130		—		193,130
Total securities available-for-sale	$	—	$	380,963	$	—	$	380,963