Note 13 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	March 31, 2020
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. government agency entities	$	—	$	110,410	$	—	$	110,410
U.S. government sponsored entities		—		175,045		—		175,045
Mortgage-backed securities		—		910,004		—		910,004
Collateralized mortgage obligations		—		448		—		448
Corporate debt securities		—		159,266		—		159,266
Total securities available-for-sale	$	—	$	1,355,173	$	—	$	1,355,173
Equity securities
Mutual funds	$	6,377	$	—	$	—	$	6,377
Preferred stock of government sponsored entities		3,763		—		—		3,763
Other equity securities		8,650		—		—		8,650
Total equity securities	$	18,790	$	—	$	—	$	18,790
Warrants	$	—	$	—	$	24	$	24
Interest rate swaps		—		3,210		—		3,210
Foreign exchange contracts		—		1,157		—		1,157
Total assets	$	18,790	$	1,359,540	$	24	$	1,378,354
Liabilities
Option contracts	$	—	$	14	$	—	$	14
Interest rate swaps		—		32,304		—		32,304
Foreign exchange contracts		—		4,211		—		4,211
Total liabilities	$	—	$	36,529	$	—	$	36,529

	December 31, 2019
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	74,936	$	—	$	—	$	74,936
U.S. government agency entities		—		90,796		—		90,796
U.S. government sponsored entities		—		224,443		—		224,443
Mortgage-backed securities		—		887,790		—		887,790
Collateralized mortgage obligations		—		552		—		552
Corporate debt securities		—		173,325		—		173,325
Total securities available-for-sale	$	74,936	$	1,376,906	$	—	$	1,451,842
Equity securities
Mutual funds	$	6,277	$	—	$	—	$	6,277
Preferred stock of government sponsored entities		10,529		—		—		10,529
Other equity securities		11,199		—		—		11,199
Total equity securities	$	28,005	$	—	$	—	$	28,005
Warrants	$	—	$	—	$	39	$	39
Interest rate swaps		—		2,181		—		2,181
Foreign exchange contracts		—		2,411		—		2,411
Total assets	$	102,941	$	1,381,498	$	39	$	1,484,478
Liabilities
Option contracts	$	—	$	7	$	—	$	7
Interest rate swaps		—		14,229		—		14,229
Foreign exchange contracts		—		1,415		—		1,415
Total liabilities	$	—	$	15,651	$	—	$	15,651

Fair Value Measurements, Nonrecurring [Table Text Block]

	As of March 31, 2020								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended
	Level 1		Level 2		Level 3		Measurements		March 31, 2020		March 31, 2019
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	6,325	$	6,325	$	—	$	—
Commercial mortgage loans		—		—		20,015		20,015		—		—
Residential mortgage loans and equity lines		—		—		5,586		5,586		—		—
Total impaired loans		—		—		31,926		31,926		—		—
Other real estate owned (1)		—		5,225		4,238		9,463		336		72
Investments in venture capital and private company stock		—		—		1,519		1,519		33		2
Total assets	$	—	$	5,225	$	37,683	$	42,908	$	369	$	74

	As of December 31, 2019								Total Losses/(Gains)
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2019		December 31, 2018
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	6,196	$	6,196	$	—	$	—
Commercial mortgage loans		—		—		25,566		25,566		—		—
Residential mortgage loans and equity lines		—		—		5,320		5,320		—		—
Total impaired loans		—		—		37,082		37,082		—		—
Other real estate owned (1)		—		6,490		4,343		10,833		681		(619	)
Investments in venture capital and private company stock		—		—		1,604		1,604		167		330
Total assets	$	—	$	6,490	$	43,029	$	49,519	$	848	$	(289	)