Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available-for-sale Securities [Abstract]
Amortized cost	$ 590,046	$ 546,640
Gross Unrealized Gains	11,509	3,426
Gross Unrealized Losses	(12,538)	(9,214)
Fair Value	589,017	540,852
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Held-to-maturity securities, amortized cost	68,295	61,878
Held-to-maturity securities, Gross Unrealized Gains	1,439	814
Held-to-maturity securities, Gross Unrealized Losses	(582)	(132)
Held-to-maturity, at fair value	69,152	62,560
U.S. Government-sponsored agencies
Available-for-sale Securities [Abstract]
Amortized cost	68,203	77,715
Gross Unrealized Gains	384	99
Gross Unrealized Losses	(2,043)	(1,942)
Fair Value	66,544	75,872
Municipal securities
Available-for-sale Securities [Abstract]
Amortized cost	91,906	97,447
Gross Unrealized Gains	3,140	1,706
Gross Unrealized Losses	(4,484)	(1,501)
Fair Value	90,562	97,652
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Held-to-maturity securities, amortized cost	14,603	10,142
Held-to-maturity securities, Gross Unrealized Gains	671	226
Held-to-maturity securities, Gross Unrealized Losses	0	0
Held-to-maturity, at fair value	15,274	10,368
Agency mortgage-backed securities
Available-for-sale Securities [Abstract]
Amortized cost	275,433	264,142
Gross Unrealized Gains	6,632	1,304
Gross Unrealized Losses	(3,535)	(4,006)
Fair Value	278,530	261,440
Private label mortgage-backed securities
Available-for-sale Securities [Abstract]
Amortized cost	101,110	63,704
Gross Unrealized Gains	1,044	97
Gross Unrealized Losses	(229)	(188)
Fair Value	101,925	63,613
Asset-backed securities
Available-for-sale Securities [Abstract]
Amortized cost	5,000	5,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(163)	(45)
Fair Value	4,837	4,955
Corporate securities
Available-for-sale Securities [Abstract]
Amortized cost	48,394	38,632
Gross Unrealized Gains	309	220
Gross Unrealized Losses	(2,084)	(1,532)
Fair Value	46,619	37,320
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Held-to-maturity securities, amortized cost	53,692	51,736
Held-to-maturity securities, Gross Unrealized Gains	768	588
Held-to-maturity securities, Gross Unrealized Losses	(582)	(132)
Held-to-maturity, at fair value	$ 53,878	$ 52,192

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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